NDC 00006-3862-13 — EMEND aprepitant Kit

🆔 Identity & classification

FDA NDC (as labeled) 0006-3862-13

Product NDC 0006-3862

11-digit billing NDC 00006386213

RxCUI 403810, 403811, 404465, 404466, 644088, 644278, 754508, 754509,

UNII 1NF15YR6UY

Application # NDA021549

SPL Set ID 696f9e80-9cae-403b-de9e-078343ce4713

Established class (EPC) Substance P/Neurokinin-1 Receptor Antagonist

Mechanism of action Neurokinin 1 Antagonists; Cytochrome P450 3A4 Inhibitors; Cytochrome P450 2C9 Inducers; Cytochrome P450 3A4 Inducers

DEA schedule Non-controlled

Marketing category NDA

Marketing status On market

FDA listing status Listed (active directory)

Marketing start 2003-03-26

Dosage form KIT

GPI-14 5028002000B220

GPI class Emend Tri-Pack

GCN Seq No 051913

GCN 19367

HICL code 025058

Ingredient (HICL) Aprepitant

HIC1 code H

Therapeutic class — broad (HIC1) Nervous System (Except Autonomic)

HIC2 code H6

Therapeutic class — intermediate (HIC2) Drugs Acting Principally On The Midbrain

HIC3 code H6J

Therapeutic class — specific (HIC3) Antiemetic/Antivertigo Agents

AHFS code 56:22.32.00

AHFS class Neurokinin-1 Receptor Antagonists

FDB label name EMEND TRIPACK

FDB brand name Emend

Legend status F — Federal legend — prescription drug or device

TE code (Orange Book) AB · RLD · RS

Why two NDCs? The FDA registers this code as 0006-3862-13 — a 4-4-2 layout, and that's what's printed on the package and shown on DailyMed. For insurance claims, every NDC is standardized to a uniform 11-digit 5-4-2 format by adding a zero to the labeler segment → 00006-3862-13. Same drug, same package — only the format differs.

Where does this data come from?

Identifiers from the FDA openFDA NDC Directory and Structured Product Labeling; RxCUI from RxNorm (NLM); GPI from Medi-Span; GCN / HIC / AHFS / legend from First Databank.

🏷️ RxNorm drug class

This medicine belongs to the Substance P/Neurokinin-1 Receptor Antagonist class.

Pharmacologic class Substance P/Neurokinin-1 Receptor Antagonist

Drug family (ATC) Other antiemetics

How it works Neurokinin 1 Antagonists, Cytochrome P450 3A4 Inhibitors, Cytochrome P450 3A4 Inducers, Cytochrome P450 2C9 Inducers

Where does this data come from?

Therapeutic classes from RxNorm RxClass (U.S. National Library of Medicine) — Established Pharmacologic Class (FDA), ATC drug family (WHO) and mechanism of action, matched by this product’s RxCUI.

🏭 Manufacturer & labeler

LabelerMerck Sharp & Dohme LLC

Application holderMERCK SHARP AND DOHME LLC

FDA applicationNDA021549 (NDA)

Labeler code00006

First marketedMar 2003

Product typeHuman Prescription Drug

Portfolio112 products on file

🔎 All NDCs from Merck Sharp & Dohme LLC

The labeler markets the product; the application holder owns the FDA approval. They’re often the same company but can differ (e.g. a repackager or an authorized generic). A mailing address / phone appears here when the manufacturer includes it in the product’s FDA label (not all do).

Where does this data come from?

Labeler, application holder and registered establishment from the FDA openFDA NDC Directory and Drugs@FDA; address/contact from the product’s FDA label.

🩺 Clinical

Label name EMEND TRIPACK Ingredient Aprepitant

📖 What it is MedlinePlus · NLM

Aprepitant is used with other medications in adults and children 6 months of age and older to prevent nausea and vomiting that may occur after receiving cancer chemotherapy treatment. It is also used with other medications in adults and children 6 months of age and older to prevent delayed nausea and vomiting that may occur several days after receiving certain chemotherapy medications. Aprepitant is not used to treat nausea and vomiting that you already have. Aprepitant is in a class of medications called antiemetics. It works by blocking the action of neurokinin, a natural substance in the br...

Read the full MedlinePlus article ↗

📗 Our plain-language guide HelloPharmacist

Aprepitant is designed to prevent nausea and vomiting before they start — not to treat them once they've kicked in. It's given as part of a combination of anti-nausea medicines, us...
What exactly is this medicine supposed to do for me?
Not without a backup plan. Aprepitant can reduce how well hormonal birth control works — that includes the pill, the patch, implants, and some IUDs. This effect can last for a full...
Can I take my birth control as usual while I'm on this?

📖 Read our full Aprepitant guide →

Patient education

📘 MedlinePlus patient leaflet ↗

Supplement & herbal interactions

Some supplements/herbs that may interact with Aprepitant — tap one for details:

Activated CharcoalMajor Coffee CharcoalModerate European MandrakeModerate GlucomannanModerate Guar GumModerate Gum ArabicModerate Slippery ElmModerate TragacanthModerate

🌿 Every supplement checked against Aprepitant (158 interactions) — ranked by severity →

Where does this data come from?

Plain-language summary from MedlinePlus (U.S. National Library of Medicine); supplement & herbal interactions and nutrient depletion data from the Natural Medicines database; our full guide is HelloPharmacist editorial content.

💊 What it looks like

Color White / Pink / Yellow

ShapeCapsule

Imprint464;40;mg

Size14 mm

ScoringNot scored

One label can cover several strengths, so colors may be combined — always confirm a loose pill against the dispensed prescription label or a pharmacist.

Where does this data come from?

Physical description (imprint, shape, color, scoring, coating) from this product’s FDA Structured Product Labeling (SPL), mirrored from DailyMed / openFDA.

🧪 Inactive Ingredients / Excipients

Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.

Loading inactive ingredients from the official FDA label in the background. No external source is being called by this page request.

Where does this data come from?

Source: official FDA Structured Product Labeling (SPL) via DailyMed and the openFDA label index. Structured IACT rows and label-wide narrative are kept separate; availability and product-level specificity depend on the submitted label.

Inactive ingredient FAQ

Are inactive ingredients the same for every manufacturer?

No. Inactive ingredients can differ by manufacturer, dosage form, strength, and package / product version.

Why might an inactive ingredient be missing?

Some SPLs do not provide a complete structured inactive-ingredient list, and older or unusual labels may only include the information in narrative text.

Can inactive ingredients matter?

Yes. They can matter for allergies, intolerances, dyes, gluten / lactose concerns, preservatives, and formulation differences — but confirm with a pharmacist or the manufacturer when it’s clinically important.

💲 Pricing

A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.

Price system	Per each	Per package
Retail pharmacies payNADAC · weekly	Not in the retail survey — common for institutional, discontinued, or low-volume packs.
Medicaid paysCMS SDUD · 12 mo	No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data.
Medicare drug plans payPart D · Q2 2026	$356.69	—
Medicare Part B allowsASP · J8501	$3.069 / J8501 unit	—

Where does this data come from?

NADAC (National Average Drug Acquisition Cost) is the CMS weekly pharmacy-acquisition-cost survey — what pharmacies pay. ASP (Average Sales Price) is the CMS Medicare Part B drug-payment file, published quarterly. Medicaid pays is computed by us from CMS State Drug Utilization Data (total reimbursed ÷ units, trailing 12 months) — gross of rebates and inclusive of dispensing fees, so it reflects what Medicaid paid, not an acquisition cost. Medicare drug plans pay is the median negotiated point-of-sale unit cost across plans listing this NDC in the CMS quarterly Prescription Drug Plan pricing files, before rebates. The VA pays is the federal contract price (FSS, and the statutory Big 4 ceiling where listed) from the VA National Acquisition Center pharmaceutical price file. All are free public government data; each measures a different payer, so the figures are not directly comparable.

🧾 Billing & reimbursement

FDA NDC (as labeled)0006-3862-13

11-digit billing NDC00006-3862-13

Format4-4-2 as registered → padded to 5-4-2 for billing (zero added to the labeler segment)

HCPCS J-codeJ8501

DescriptorAPREPITANT, ORAL, 5 MG

Billing units / pkg57 units

Crosswalk sourcePDAC NDC-HCPCS crosswalk (DME MAC / DMEPOS)

Where does this data come from?

The HCPCS J-code crosswalk comes from the CMS ASP NDC-HCPCS crosswalk and the DMEPDAC (DME MAC) NDC-HCPCS crosswalk — free public CMS data. Billing units are derived from the code’s descriptor and the package amount.

🔁 Therapeutic equivalents

Product	Labeler	Pack	NADAC/unit	TE	Status	Price vs. this
Aprepitant 13668-0594-87	Torrent	1 capsule	$87.266	AB	Availability likely	—
Aprepitant 68462-0112-33	Glenmark	1 kit	$87.266	AB	Availability likely	—
Aprepitant 68001-0669-15	BluePoint	1 capsule	$87.266	AB	Availability likely	—
Aprepitant 00781-4063-36	Sandoz	1 capsule	$87.266	AB	Availability likely	—
Emendthis 00006-3862-13	Merck	1 capsule	—	AB	FDA listed	—
Aprepitant 51407-0704-03	Golden	1 capsule	—	AB	FDA listed	—

About this product: this is the brand-name version. FDA-approved generic versions are listed, and recent pricing/market data suggests they may be available.

Where does this data come from?

Equivalents are other NDCs of the same ingredient, form and route from the openFDA NDC Directory, ranked least-expensive-first by NADAC. Therapeutic-equivalence (AB) ratings come from the FDA Orange Book; biologics use the FDA Purple Book for biosimilar & interchangeable status.

⏳ Availability & generic status

🏛️

2003

First FDA approval

Mar 2003

📍

2026

Currently FDA-listed

23 years listed

🛡️

2027

Latest patent/protection listed

not a guaranteed launch date

✅Generic appears available

FDA-approved generic versions are listed, and recent pricing/market data suggests they may be available — see Therapeutic equivalents.

🛡️ Latest patent/protection date listed: FDA patent/protection data lists protections through Sep 2027. This may affect when a full generic version becomes widely available, but it is not a guaranteed launch date.

📅 FDA approved Mar 26, 2003 AB TE-rated RLD RS ⏳ ~1 yr to latest listed protection

Why the date isn’t exact: Generic timing can change because patents may be challenged, settled, licensed, added, removed, or worked around with a narrower label — and FDA approval does not always mean a pharmacy can get the generic today.

Patents & exclusivity — FDA Orange Book

US 8258132 — method of use (U-901)

US 8258132 — method of use (U-1743)

US 8258132 — method of use (U-901)

US 8258132 — method of use (U-1743)

US 8258132 — method of use (U-901)

2003 2005 2007 2009 2011 2013 2015 2017 2019 2021 2023 2025 2027

Today

LOE

Substance patent Formulation patent Method-of-use patent Exclusivity Pediatric +6mo

🏛️FDA exclusivity

FDA-granted marketing protection. It’s separate from patents and may be shorter than patent protection.

🧪Product / substance patents

Patents covering the active ingredient, product, formulation, or related drug features.

🎯Method-of-use patents

Patents covering specific approved uses. These can sometimes be carved out with a “skinny label,” but not always.

🛈 What do these terms mean?

Patent: Legal protection listed in the Orange Book that may delay generic approval or launch. Issued by the U.S. Patent & Trademark Office.
Substance patent: Covers the active drug molecule itself — the hardest to design around. A generic generally can’t launch until it expires.
Formulation (product) patent: Covers a specific formulation or dosage form. A generic can sometimes work around it with a different formulation.
Method-of-use patent: A patent covering one specific approved use of the drug — not necessarily the whole molecule. A generic can sometimes launch with a “skinny label” that carves out the protected use and keeps the others.
Skinny label: A generic label that omits a still-patented use when the FDA allows it — letting a generic reach the market for the unprotected uses.
Exclusivity: FDA-granted marketing protection, separate from patents — e.g. 5-yr new chemical entity, 7-yr orphan drug, or a +6-month pediatric extension.
Paragraph IV: A generic applicant’s formal challenge to a listed patent. It can potentially lead to earlier generic entry, but often involves litigation or a settlement.
RLD / RS: Reference Listed Drug — the brand product the FDA uses as the reference for generic applications. Reference Standard — the product the FDA expects generics to compare against in bioequivalence testing.
TE / AB rating: FDA therapeutic-equivalence rating. An AB rating generally means the FDA considers a generic therapeutically equivalent to — and substitutable for — the brand.
LOE (loss of exclusivity): The latest patent or exclusivity currently listed — the loss-of-exclusivity / latest-listed-protection date shown on this page. Paragraph-IV challenges and settlements can move the real date earlier; FDA approval and a manufacturer’s decision to market can move it later.

Built from the FDA Orange Book. The bars above are scaled to each protection’s expiry; the red LOE marker is the last one to lapse.

Listed patents (6)

Patent	Type	Use code	Expires
US 8258132 ↗	Method of use	U-901	Sep 26, 2027
US 8258132 ↗	Method of use	U-1743	Sep 26, 2027
US 8258132 ↗	Method of use	U-901	Sep 26, 2027
US 8258132 ↗	Method of use	U-1743	Sep 26, 2027
US 8258132 ↗	Method of use	U-1743	Sep 26, 2027
US 8258132 ↗	Method of use	U-901	Sep 26, 2027

Common questions

Is there a generic version of EMEND TRIPACK?

Yes — an FDA-approved generic equivalent is listed in the FDA Orange Book for EMEND TRIPACK. See the alternatives section for substitutable, lower-cost products.

The FDA approved a generic — why can’t I get it at my pharmacy yet?

FDA approval and pharmacy availability are two different things. The FDA can approve a generic years before it actually reaches pharmacies, because the brand company may still hold patents or have a settlement that delays the launch. A manufacturer also has to choose to make and sell it, and have supply ready. So a drug can be “FDA-approved generic exists” and still be brand-only at the counter today.

Why do different websites show different generic release dates?

Generic availability is not based on one single date. Some sources use the first exclusivity expiration, some use the last product patent, and others use the latest method-of-use patent. Patent challenges, settlements, licenses, and label carve-outs can also change the real-world launch date. This page shows the underlying Orange Book dates so you can see why estimates may differ.

What does “FDA listed” mean?

It means the product appears in the FDA’s official NDC directory. That’s a good sign a product exists and is intended for the U.S. market, but on its own it does not confirm a pharmacy can fill it today. Where we have recent retail pricing data (NADAC) for a product, we label it “Availability likely” instead.

What does a patent or protection date mean here?

It’s the latest date currently listed in the FDA Orange Book for a patent or exclusivity on the brand product. It can affect when a full generic version becomes widely available — but it is not a guaranteed generic launch date. Generics sometimes arrive earlier (through a settlement or patent challenge) or later (a manufacturer still has to make and sell one).

What does “current Orange Book estimate” mean?

It means we are using the latest patent and exclusivity dates currently listed in the FDA Orange Book. It is not a guaranteed launch date.

Can a generic come out before the last patent expires?

Sometimes. A generic company may challenge a patent, settle with the brand manufacturer, receive a license, or obtain approval with a narrower label that avoids a patented use. In other cases, the last listed protection may delay full-label generic competition.

Can a generic come out after the listed dates?

Yes. Even after patents or exclusivity expire, a generic still needs FDA approval and a manufacturer must choose to market it. Supply, litigation, business decisions, or regulatory issues can delay actual availability.

What is the difference between patents and exclusivity?

Patents are legal protections usually issued by the U.S. Patent and Trademark Office. FDA exclusivity is marketing protection granted by the FDA. They are separate, and either one can affect generic timing.

Why are there multiple patent dates?

One drug can have several patents covering different things: the active ingredient, a formulation, a manufacturing process, or a specific approved use. That is why a page may show several expiration dates instead of one simple generic date.

Built from FDA Orange Book patent and exclusivity data. Dates are refreshed from public FDA data when available; the marker is max(latest patent expiry, latest exclusivity expiry). Paragraph-IV settlements and first-filer 180-day exclusivity can shift the real date; a method-of-use patent may allow an earlier skinny-label generic for non-protected indications. Generic launch timing is an estimate, not a guarantee.

Where does this data come from?

Patents and exclusivity from the FDA Orange Book (small-molecule drugs), refreshed from public FDA data. Generic launch timing is an estimate, not a guarantee.

💊 Medicaid utilization by pack size

Medicaid (SDUD) totals over the four most recent reported quarters for every package size of this drug — handy when a specific package (e.g. a starter/titration pack) carries little or no Medicaid volume on its own.

1 capsule00006-3862-03 162 Rx · $239,699

1 capsule this page00006-3862-13 No Medicaid data

Drug total (last 4 qtrs): 162 Rx · 906 units · $239,699 gross reimbursed

Tap a pack size to open its page. Source: CMS State Drug Utilization Data, last 4 quarters.

📊 Medicare Part D spend CMS · PART D · 2025 (Q1-Q4)

Medicare Part D (outpatient prescription) spending for Emend — the program that covers self-administered drugs. 1 manufacturer.

⚠️ Drug-level data: CMS publishes Part D spending by drug, not by NDC — these figures combine every manufacturer, strength and package size sold under the name Emend. That’s a different level of aggregation than the Medicaid card above, which is specific to this exact 11-digit NDC (pack size included), so the two aren’t directly comparable.

Period

Total Part D spend

$168.6K

Claims incl. refills

63

Beneficiaries

20

Spend / beneficiary

$8,427.68

Spend / claim

$2,675.45

Trend by period

💵 About the dollar figures: spending is what Part D plans paid before confidential manufacturer rebates, so the program’s real net cost is lower. A blank patient count means fewer than 11 people — CMS hides counts that small to protect privacy. Source: CMS Medicare Quarterly Part D Spending by Drug (data.cms.gov), updated quarterly.

🔬 Reported adverse events (FAERS)

Read carefully: FAERS reports are voluntary and unverified. Counts are not incidence, do not establish causation, are subject to reporting bias, and cannot be used to compare one drug to another. Shown for signal context only. Reports for EMEND (this brand).

Top reported reactions

Nausea2,273

Fatigue1,977

Pyrexia1,697

Dyspnoea1,639

Diarrhoea1,627

Vomiting1,564

Alopecia1,384

Age at onset

Neonate17

Infant13

Child65

Adolescent59

Adult2,038

Elderly1,058

Reporter sex

Male · 37%

Female · 62%

Unknown · 1%

Serious outcomes

Hospitalization10,323

Life-threatening2,894

Disabling1,874

Reports over time (by year) — tap or hover for the count & year

Most recent year is provisional (FAERS lags ~3 months).

Where does this data come from?

Adverse-event reports from the FDA Adverse Event Reporting System (FAERS) via openFDA. FAERS reports are voluntary and unverified — counts are not incidence and don’t establish causation.

📦 Packaging — all sizes for this product

Package NDC	Description	Marketing start	Status
00006-3862-03	1 KIT in 1 DOSE PACK (0006-3862-03) * 1 CAPSULE in 1 CAPSULE * 1 CAPSULE in 1 CAPSULE	2003-03-26	Active
00006-3862-13 You're viewing this	1 KIT in 1 DOSE PACK (0006-3862-13) * 1 CAPSULE in 1 CAPSULE * 1 CAPSULE in 1 CAPSULE	2003-03-26	Active

This pack shows little to no recent Medicaid volume — a different pack size carries most fills. See all packs ↓

Pack size FAQ

What quantity is in NDC 00006-3862-13?

NDC 00006-3862-13 is listed by the FDA — 1 kit in 1 dose pack * 1 capsule in 1 capsule * 1 capsule in 1 capsule.

What NDC number is used to bill for this package of EMEND aprepitant Kit?

Bill NDC 00006-3862-13 — the 11-digit billing format is 00006386213. Pharmacy and medical claims use the 11-digit form; the FDA label may print a shorter form of the same code.

🧭 About this NDC listing & data coverage

Finished prescription product Kit / multi-component package

Kit / multi-component package

This NDC identifies a kit — a package containing more than one component. Structured data (pricing, ingredients, equivalents) is often reported per component rather than for the kit NDC itself, which can make this page look thinner than the components' own pages.

What data is (and isn’t) available for this NDC — tap to expand

NDC identity (package / product / labeler codes)	✓ Available
Labeler	✓ Available
Product & package description	✓ Available
Marketing category & status	✓ Available
Active ingredient / dosage form / route	✓ Available
FDA label (SPL via DailyMed)	✓ Available
Package photos	✓ Available
Inactive ingredients (structured)	— Not published for this NDC The labeler did not submit a structured excipient list, or no SPL is available.
NADAC pharmacy acquisition price (CMS)	— Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey.
Orange Book / therapeutic-equivalence data	✓ Available
HCPCS J-code billing crosswalk	✓ Available
Medicaid utilization (CMS SDUD)	— Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold.

“Not published” reflects what the public FDA / CMS / NLM sources provide for this exact package code — it is a property of the data feeds, not a judgment about the product.

Questions about this listing

Why is there no price listed?

The pricing shown on our NDC pages comes from CMS NADAC, a voluntary survey of retail community pharmacy invoices. CMS does not publish a NADAC for every NDC — packages outside the retail survey (institutional and hospital products, bulk packages, discontinued items, and many OTC items) may never receive one. A missing price reflects the survey's scope, not this product's actual cost, and does not mean the product is free or unavailable.

Is the NDC printed on the package the same as the 11-digit billing NDC?

Yes, they identify this exact package in different formats. The FDA registers it as 0006-3862-13, which is what is printed on the packaging and shown on DailyMed. Insurance claims use a fixed 11-digit 5-4-2 format, so the short segment is padded with a leading zero: 00006-3862-13, written without dashes as 00006386213. The Identity section at the top of this page lists every form of this code.

What do the three segments of this NDC mean?

In 00006-3862-13, the first segment (00006) is the labeler code FDA assigned to Merck Sharp & Dohme LLC; the middle segment (3862) identifies this specific product — its ingredient, strength, and dosage form; and the last segment (13) identifies this exact package size and type. Together they name one specific package of one specific product.

Is this package still being marketed?

Yes, per the latest FDA NDC Directory data on this page: this package is listed as actively marketed, with no marketing end date reported by Merck Sharp & Dohme LLC. Listing status can change — the directory data on this page refreshes weekly.

Does this product come in other package sizes?

Yes — the FDA directory lists 1 other package presentation of this same product, including 1 capsule (00006-3862-03). Each has its own NDC and its own page — see the package list near the top of this page.

Who lists this product with the FDA?

Merck Sharp & Dohme LLC is the labeler of record for this NDC — the company under whose FDA-assigned code the package is listed. The labeler may be the manufacturer itself or a distributor marketing the product under its own code.

Do I need a prescription for this product?

This NDC is listed with FDA as a prescription product, so it is dispensed under a prescriber's order. Your pharmacist can tell you whether any over-the-counter forms of the same medication exist.

Does this product have a billing J-code?

Yes — this NDC cross-references HCPCS code J8501 for medical-claim billing (typically used when a product is administered in a clinical setting rather than dispensed at a retail pharmacy). See the Billing section on this page.

This page identifies an FDA-listed package (the NDC) and reports public regulatory and pricing data about the listing. It is reference information, not a medical recommendation — talk to your pharmacist or prescriber about your own medication.

Where does this data come from?

Listing facts (marketing category, packager status, marketing dates) from the FDA openFDA NDC Directory; label availability from DailyMed; pricing coverage from CMS NADAC; equivalence scope from the FDA Orange Book.

📄 Full prescribing information FDA SPL

The complete FDA label for this product — the official prescribing information, verbatim, section by section. Jump with a chip, search within the label, or expand everything.

🎯 Indications and Usage ⏱️ Dosage and Administration 💊 Dosage Forms and Strengths ⛔ Contraindications ⚠️ Warnings and Cautions 🤒 Adverse Reactions 🔄 Drug Interactions 👥 Use in Specific Populations 🤰 Pregnancy 🧒 Pediatric Use 🧓 Geriatric Use 🆘 Overdosage 🧬 Clinical Pharmacology 🧬 Mechanism of Action 📦 How Supplied / Storage and Handling 📦 Storage and Handling 📋 Description 💬 Information for Patients

🎯 Indications and Usage ~2 min read ▾

1 INDICATIONS AND USAGE EMEND ® for oral suspension, in combination with other antiemetic agents, is indicated in patients 6 months of age and older for the prevention of: acute and delayed nausea and vomiting associated with initial and repeat courses of highly emetogenic cancer chemotherapy (HEC) including high-dose cisplatin. nausea and vomiting associated with initial and repeat courses of moderately emetogenic cancer chemotherapy (MEC). EMEND ® capsules, in combination with other antiemetic agents, is indicated in patients 12 years of age and older for the prevention of: acute and delayed nausea and vomiting associated with initial and repeat courses of highly emetogenic cancer chemotherapy (HEC) including high-dose cisplatin. nausea and vomiting associated with initial and repeat courses of moderately emetogenic cancer chemotherapy (MEC).

EMEND ® is a substance P/neurokinin 1 (NK 1 ) receptor antagonist. EMEND for oral suspension is indicated in combination with other antiemetic agents, in patients 6 months of age and older for prevention of: acute and delayed nausea and vomiting associated with initial and repeat courses of highly emetogenic cancer chemotherapy (HEC) including high-dose cisplatin ( 1 ) nausea and vomiting associated with initial and repeat courses of moderately emetogenic cancer chemotherapy (MEC) ( 1 ) EMEND capsules is indicated in combination with other antiemetic agents, in patients 12 years of age and older for prevention of: acute and delayed nausea and vomiting associated with initial and repeat courses of highly emetogenic cancer chemotherapy (HEC) including high-dose cisplatin ( 1 ) nausea and vomiting associated with initial and repeat courses of moderately emetogenic cancer chemotherapy (MEC) ( 1 ) Limitations of Use ( 1 ) EMEND has not been studied for treatment of established nausea and vomiting.

Chronic continuous administration of EMEND is not recommended. Limitations of Use EMEND has not been studied for the treatment of established nausea and vomiting. Chronic continuous administration of EMEND is not recommended because it has not been studied, and because the drug interaction profile may change during chronic continuous use.

⏱️ Dosage and Administration ~3 min read ▾

2 DOSAGE AND ADMINISTRATION Recommended Dosage ( 2.1 ) EMEND capsules in adults and pediatric patients 12 years of age and older: is 125 mg on Day 1 and 80 mg on Days 2 and 3. EMEND for oral suspension in pediatric patients 6 months to less than 12 years of age or pediatric and adult patients unable to swallow capsules: see dosing recommendations in Table 3 in the Full Prescribing Information. Administer EMEND 1 hour prior to chemotherapy on Days 1, 2, and 3.

If no chemotherapy is given on Days 2 and 3, administer EMEND in morning. See Full Prescribing Information for recommended dosages of concomitant dexamethasone and 5-HT 3 antagonist for HEC and MEC. Preparation and Administration ( 2.2 , 2.3 ) EMEND capsules and EMEND for oral suspension can be administered with or without food.

Swallow EMEND capsules whole. EMEND for oral suspension should be prepared by healthcare provider. Once prepared, it may be administered either by a healthcare provider, patient, or caregiver.

For details on preparation see Full Prescribing Information.

2.1Recommended Dosage Adults and Pediatric Patients 12 Years of Age and Older The recommended oral dosage of EMEND capsules, dexamethasone, and a 5-HT 3 antagonist in adults and pediatric patients 12 years of age and older who can swallow oral capsules, for the prevention of nausea and vomiting associated with administration of HEC or MEC is shown in Table 1 or Table 2, respectively. For patients who cannot swallow oral capsules, EMEND for oral suspension can be used instead of EMEND capsules as shown in Table 3. Table 1: Recommended Dosing for the Prevention of Nausea and Vomiting Associated with HEC Population Day 1 Day 2 Day 3 Day 4 EMEND capsules Administer EMEND capsules 1 hour prior to chemotherapy treatment on Days 1, 2, and 3.

If no chemotherapy is given on Days 2 and 3, administer EMEND capsules in the morning. Adults and Pediatric Patients 12 Years and Older 125 mg orally 80 mg orally 80 mg orally none Dexamethasone Adults 12 mg orally 8 mg orally 8 mg orally 8 mg orally Pediatric Patients 12 Years and Older If a corticosteroid, such as dexamethasone, is co-administered, administer 50% of the recommended corticosteroid dose on Days 1 through 4 [see Clinical Studies (14.3) ] . Administer dexamethasone 30 minutes prior to chemotherapy treatment on Day 1 and in the morning on Days 2 through 4.

A 50% dosage reduction of dexamethasone is recommended to account for a drug interaction with EMEND [see Clinical Pharmacology (12.3) ] . 5-HT 3 antagonist Adults and Pediatric Patients 12 Years and Older See selected 5-HT 3 antagonist prescribing information for the recommended dosage none none none Table 2: Recommended Dosing for the Prevention of Nausea and Vomiting Associated with MEC Population Day 1 Day 2 Day 3 EMEND capsules Administer EMEND capsules 1 hour prior to chemotherapy treatment on Days 1, 2, and 3.

If no chemotherapy is given on Days 2 and 3, administer EMEND capsules in the morning. Adults and Pediatric Patients 12 Years and Older 125 mg orally 80 mg orally 80 mg orally Dexamethasone Adults 12 mg orally none none Pediatric Patients 12 Years and Older If a corticosteroid, such as dexamethasone, is co-administered, administer 50% of the recommended corticosteroid dose on Days 1 through 4 [see Clinical Studies (14.3) ] . Administer dexamethasone 30 minutes prior to chemotherapy treatment on Day 1.

A 50% dosage reduction of dexamethasone is recommended to account for a drug interaction with EMEND [see Clinical Pharmacology (12.3) ] . 5-HT 3 antagonist Adults and Pediatric Patients 12 Years and Older See the selected 5-HT 3 antagonist prescribing information for recommended dosage none none Pediatric Patients 6 Months to less than 12 Years of Age or Pediatric and Adult Patients Unable to Swallow Capsules The recommended dose of EMEND for oral suspension to be administered with a 5-HT 3 antagonist, with or without a corticosteroid, for the prevention of nausea and vomiting associated with…

💊 Dosage Forms and Strengths 100 words ▾

3 DOSAGE FORMS AND STRENGTHS EMEND capsules: 80 mg and 125 mg ( 3 ) EMEND for oral suspension: 125 mg ( 3 ) EMEND capsules: 80 mg: white body and cap with "461" and "80 mg" printed radially in black ink on the body. 125 mg: white body and pink cap with "462" and "125 mg" printed radially in black ink on the body. EMEND for oral suspension: 125 mg as a pink to light pink powder in a single-use pouch with one 1 mL oral dosing dispenser, one 5 mL oral dosing dispenser, one cap and mixing cup.

⛔ Contraindications 92 words ▾

4 CONTRAINDICATIONS EMEND is contraindicated in patients: who are hypersensitive to any component of the product. Hypersensitivity reactions including anaphylactic reactions have been reported [see Adverse Reactions (6.2) ] . taking pimozide. Inhibition of CYP3A4 by aprepitant could result in elevated plasma concentrations of this drug which is a CYP3A4 substrate, potentially causing serious or life-threatening reactions, such as QT prolongation, a known adverse reaction of pimozide [see Warnings and Precautions (5.1) ] .

Known hypersensitivity to any component of this drug. ( 4 ) Concurrent use with pimozide. ( 4 )

⚠️ Warnings and Cautions ~2 min read ▾

5 WARNINGS AND PRECAUTIONS CYP3A4 Interactions : Aprepitant is a substrate, weak-to-moderate inhibitor and inducer of CYP3A4; See Full Prescribing Information for recommendations regarding contraindications, risk of adverse reactions, and dosage adjustments of EMEND and concomitant drugs. ( 4 , 5.1 , 7.1 , 7.2 ) Warfarin (a CYP2C9 substrate) : Risk of decreased INR of prothrombin time; monitor INR in 2-week period, particularly at 7 to 10 days, following initiation of EMEND. ( 5.2 , 7.1 ) Hormonal Contraceptives : Efficacy of contraceptives may be reduced during administration of and for 28 days following the last dose of EMEND.

Use effective alternative or back-up methods of contraception. ( 5.3 , 7.1 , 8.3 )

5.1Clinically Significant CYP3A4 Drug Interactions Aprepitant is a substrate, a weak-to-moderate (dose-dependent) inhibitor, and an inducer of CYP3A4. Use of EMEND with other drugs that are CYP3A4 substrates, may result in increased plasma concentration of the concomitant drug. Use of pimozide with EMEND is contraindicated due to the risk of significantly increased plasma concentrations of pimozide, potentially resulting in prolongation of the QT interval, a known adverse reaction of pimozide [see Contraindications (4) ].

Use of EMEND with strong or moderate CYP3A4 inhibitors (e.g., ketoconazole, diltiazem) may increase plasma concentrations of aprepitant and result in an increased risk of adverse reactions related to EMEND. Use of EMEND with strong CYP3A4 inducers (e.g., rifampin) may result in a reduction in aprepitant plasma concentrations and decreased efficacy of EMEND. See Table 8 and Table 9 for a listing of potentially significant drug interactions [see Drug Interactions (7.1 , 7.2) ].

5.2Decrease in INR with Concomitant Warfarin Coadministration of EMEND with warfarin, a CYP2C9 substrate, may result in a clinically significant decrease in International Normalized Ratio (INR) of prothrombin time [see Clinical Pharmacology (12.3) ] . Monitor the INR in patients on chronic warfarin therapy in the 2-week period, particularly at 7 to 10 days, following initiation of the 3-day regimen of EMEND with each chemotherapy cycle [see Drug Interactions (7.1) ] .

5.3Risk of Reduced Efficacy of Hormonal Contraceptives Upon coadministration with EMEND, the efficacy of hormonal contraceptives may be reduced during administration of and for 28 days following the last dose of EMEND [see Clinical Pharmacology (12.3) ] . Advise patients to use effective alternative or back-up methods of contraception during treatment with EMEND and for 1 month following the last dose of EMEND [see Drug Interactions (7.1) , Use in Specific Populations (8.3) ] .

🤒 Adverse Reactions ~3 min read ▾

6 ADVERSE REACTIONS Most common adverse reactions (≥3%) are ( 6.1 ): Adults: fatigue, diarrhea, asthenia, dyspepsia, abdominal pain, hiccups, white blood cell count decreased, dehydration, and alanine aminotransferase increased. Pediatrics: neutropenia, headache, diarrhea, decreased appetite, cough, fatigue, hemoglobin decreased, dizziness, and hiccups. To report SUSPECTED ADVERSE REACTIONS, contact Merck Sharp & Dohme LLC at 1-877-888-4231 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .

6.1Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice. The overall safety of EMEND was evaluated in approximately 6800 individuals. Adults In 2 active-controlled, double-blind clinical trials in patients receiving highly emetogenic chemotherapy (HEC) (Studies 1 and 2), EMEND in combination with ondansetron and dexamethasone (EMEND regimen) was compared to ondansetron and dexamethasone alone (standard therapy) [see Clinical Studies (14.1) ] .

In 2 active-controlled clinical trials in patients receiving moderately emetogenic chemotherapy (MEC) (Studies 3 and 4), EMEND in combination with ondansetron and dexamethasone (EMEND regimen) was compared to ondansetron and dexamethasone alone (standard therapy) [see Clinical Studies (14.2) ]. The most common adverse reaction reported in patients who received MEC in pooled Studies 3 and 4 was dyspepsia (6% versus 4%). Across these 4 studies there were 1412 patients treated with the EMEND regimen during Cycle 1 of chemotherapy and 1099 of these patients continued into the Multiple-Cycle extension for up to 6 cycles of chemotherapy.

The most common adverse reactions reported in patients who received HEC and MEC in pooled Studies 1, 2, 3 and 4 are listed in Table 5. Table 5: Most Common Adverse Reactions in Patients Receiving HEC and MEC from a Pooled Analysis of HEC and MEC Studies Reported in ≥ 3% of patients treated with the EMEND regimen and at a greater incidence than standard therapy. EMEND, ondansetron, and dexamethasone EMEND regimen (N=1412) Ondansetron and dexamethasone Standard therapy (N=1396) fatigue 13% 12% diarrhea 9% 8% asthenia 7% 6% dyspepsia 7% 5% abdominal pain 6% 5% hiccups 5% 3% white blood cell count decreased 4% 3% dehydration 3% 2% alanine aminotransferase increased 3% 2% In a pooled analysis of the HEC and MEC studies, less common adverse reactions reported in patients treated with the EMEND regimen are listed in Table 6.

Table 6: Less Common Adverse Reactions in EMEND-Treated Patients from a Pooled Analysis of HEC and MEC Studies Reported in > 0.5% of patients treated with the EMEND regimen, at a greater incidence than standard therapy and not previously described in Table 5. Infection and Infestations oral candidiasis, pharyngitis Blood and the Lymphatic System Disorders anemia, febrile neutropenia, neutropenia, thrombocytopenia Metabolism and Nutrition Disorders decreased appetite, hypokalemia Psychiatric Disorders anxiety Nervous System Disorders dizziness, dysgeusia, peripheral neuropathy Cardiac Disorders palpitations Vascular Disorders flushing, hot flush Respiratory, Thoracic and Mediastinal Disorders cough, dyspnea, oropharyngeal pain Gastrointestinal Disorders dry mouth, eructation, flatulence, gastritis, gastroesophageal reflux disease, nausea, vomiting Skin and Subcutaneous Tissue Disorders alopecia, hyperhidrosis, rash Musculoskeletal and Connective Tissue Disorders musculoskeletal pain General Disorders and Administration Site Condition edema peripheral, malaise Investigations aspartate aminotransferase increased, blood alkaline phosphatase increased, blood sodium decreased, blood urea increased, proteinuria, weight decreased In an additional active-controlled clinical study in 1169 patients receiving EMEND and HEC, the a…

🔄 Drug Interactions ~3 min read ▾

7 DRUG INTERACTIONS See Full Prescribing Information for a list of clinically significant drug interactions. ( 4 , 5.1 , 5.2 , 5.3 , 7.1 , 7.2 )

7.1Effect of Aprepitant on the Pharmacokinetics of Other Drugs Aprepitant is a substrate, a weak-to-moderate (dose-dependent) inhibitor, and an inducer of CYP3A4. Aprepitant is also an inducer of CYP2C9 [see Clinical Pharmacology (12.3) ] . Aprepitant acts as a moderate inhibitor of CYP3A4 when administered as a 3-day regimen (125-mg/80-mg/80-mg) and can increase plasma concentrations of concomitant drugs that are substrates for CYP3A4.

Some substrates of CYP3A4 are contraindicated with EMEND [see Contraindications (4) ] . Dosage adjustment of some CYP3A4 and CYP2C9 substrates may be warranted, as shown in Table 8. Table 8: Effects of Aprepitant on the Pharmacokinetics of Other Drugs CYP3A4 Substrates Pimozide Clinical Impact Increased pimozide exposure.

Intervention EMEND is contraindicated [see Contraindications (4) ] . Benzodiazepines Clinical Impact Increased exposure to midazolam or other benzodiazepines metabolized via CYP3A4 (alprazolam, triazolam) may increase the risk of adverse reactions [see Clinical Pharmacology (12.3) ]. Intervention Monitor for benzodiazepine-related adverse reactions.

Depending on the clinical situation (e.g., elderly patients) and degree of monitoring available, reduce the dose of intravenous midazolam Dexamethasone Clinical Impact Increased dexamethasone exposure [see Clinical Pharmacology (12.3) ]. Intervention Reduce the dose of oral dexamethasone by approximately 50% [see Dosage and Administration (2.1) ]. Methylprednisolone Clinical Impact Increased methylprednisolone exposure [see Clinical Pharmacology (12.3) ].

Intervention Reduce the dose of intravenous methylprednisolone by approximately 25% Reduce the dose of oral methylprednisolone by approximately 50% Chemotherapeutic agents that are metabolized by CYP3A4 Clinical Impact Increased exposure of the chemotherapeutic agent may increase the risk of adverse reactions [see Clinical Pharmacology (12.3) ] . Intervention Vinblastine, vincristine, or ifosfamide or other chemotherapeutic agents Monitor for chemotherapeutic-related adverse reactions. Etoposide, vinorelbine, paclitaxel, and docetaxel No dosage adjustment needed.

Hormonal Contraceptives Clinical Impact Decreased hormonal exposure during administration of and for 28 days after administration of the last dose of EMEND [see Warnings and Precautions (5.3) , Use in Specific Populations (8.3) , Clinical Pharmacology (12.3) ] . Intervention Effective alternative or back-up methods of contraception (such as condoms and spermicides) should be used during treatment with EMEND and for 1 month following the last dose of EMEND. Examples birth control pills, skin patches, implants, and certain IUDs CYP2C9 Substrates Warfarin Clinical Impact Decreased warfarin exposure and decreased prothrombin time (INR) [see Warnings and Precautions (5.2) , Clinical Pharmacology (12.3) ] .

Intervention In patients on chronic warfarin therapy, monitor the prothrombin time (INR) in the 2-week period, particularly at 7 to 10 days, following initiation of the 3-day EMEND regimen with each chemotherapy cycle. Other 5-HT 3 Antagonists Clinical Impact No change in the exposure of the 5-HT 3 antagonist [see Clinical Pharmacology (12.3) ] . Intervention No dosage adjustment needed Examples ondansetron, granisetron, dolasetron

7.2Effect of Other Drugs on the Pharmacokinetics of Aprepitant Aprepitant is a CYP3A4 substrate [see Clinical Pharmacology (12.3) ] . Co-administration of EMEND with drugs that are inhibitors or inducers of CYP3A4 may result in increased or decreased plasma concentrations of aprepitant, respectively, as shown in Table 9. Table 9: Effects of Other Drugs on Pharmacokinetics of Aprepitant Moderate to Strong CYP3A4 Inhibitors Clinical Impact Significantly increased exposure of aprepitant may increase the risk of adverse reactions associated with EMEND [see…

👥 Use in Specific Populations ~3 min read ▾

8 USE IN SPECIFIC POPULATIONS

8.1Pregnancy Risk Summary There are insufficient data on use of EMEND in pregnant women to inform a drug associated risk. In animal reproduction studies, no adverse developmental effects were observed in rats or rabbits exposed during the period of organogenesis to systemic drug levels (AUC) approximately 1.5 times the adult human exposure at the 125-mg/80-mg/80-mg EMEND regimen [see Data ] . The estimated background risk of major birth defects and miscarriage for the indicated populations is unknown.

In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. Data Animal Data In embryofetal development studies in rats and rabbits, aprepitant was administered during the period of organogenesis at oral doses up to 1000 mg/kg twice daily in rats and up to the maximum tolerated dose of 25 mg/kg/day in rabbits. No embryofetal lethality or malformations were observed at any dose level in either species.

The exposures (AUC) in pregnant rats at 1000 mg/kg twice daily and in pregnant rabbits at 125 mg/kg/day were approximately 1.5 times the adult exposure at the 125-mg/80-mg/80-mg EMEND regimen. Aprepitant crosses the placenta in rats and rabbits.

8.2Lactation Risk Summary Lactation studies have not been conducted to assess the presence of aprepitant in human milk, the effects on the breastfed infant, or the effects on milk production. Aprepitant is present in rat milk. The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for EMEND and any potential adverse effects on the breastfed infant from EMEND or from the underlying maternal condition.

8.3Females and Males of Reproductive Potential Contraception Upon administration of EMEND, the efficacy of hormonal contraceptives may be reduced. Advise females of reproductive potential using hormonal contraceptives to use an effective alternative or back-up non-hormonal contraceptive (such as condoms and spermicides) during treatment with EMEND and for 1 month following the last dose [see Drug Interactions (7.1) , Clinical Pharmacology (12.3) ] .

8.4Pediatric Use The safety and effectiveness of EMEND for oral suspension have been established in pediatric patients 6 months of age and older and EMEND capsules in pediatric patients 12 years of age and older for the prevention of acute and delayed nausea and vomiting associated with initial and repeat courses of HEC, including high-dose cisplatin, and MEC. Use of EMEND in these age groups is supported by evidence from 302 pediatric patients in a randomized, double-blind, active comparator controlled clinical study (n = 207 patients aged 6 months to less than 12 years, n = 95 patients aged 12 through 17 years).

EMEND was studied in combination with ondansetron with or without dexamethasone (at the discretion of the physician) [see Clinical Studies (14.3) ] . Adverse reactions were similar to those reported in adult patients [see Adverse Reactions (6.1) ] . The safety and effectiveness of EMEND for the prevention of nausea and vomiting associated with HEC or MEC have not been established in patients less than 6 months.

Juvenile Animal Study A study was conducted in young rats to evaluate the effects of aprepitant on growth and on neurobehavioral and sexual development. Rats were treated at oral doses up to the maximum feasible dose of 1000 mg/kg twice daily (providing exposure in male rats lower than the exposure at the recommended pediatric human dose and exposure in female rats equivalent to the pediatric human exposure) from the early postnatal period (Postnatal Day 10) through Postnatal Day 58. Slight changes in the onset of sexual maturation were observed in female and male rats; however, there were no effects on mating, fertility, embryonic-fetal survival, or histomorphology of the reproductive organs.

There were no effects in neurobeh…

🤰 Pregnancy 200 words ▾

8.1Pregnancy Risk Summary There are insufficient data on use of EMEND in pregnant women to inform a drug associated risk. In animal reproduction studies, no adverse developmental effects were observed in rats or rabbits exposed during the period of organogenesis to systemic drug levels (AUC) approximately 1.5 times the adult human exposure at the 125-mg/80-mg/80-mg EMEND regimen [see Data ] . The estimated background risk of major birth defects and miscarriage for the indicated populations is unknown.

In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. Data Animal Data In embryofetal development studies in rats and rabbits, aprepitant was administered during the period of organogenesis at oral doses up to 1000 mg/kg twice daily in rats and up to the maximum tolerated dose of 25 mg/kg/day in rabbits. No embryofetal lethality or malformations were observed at any dose level in either species.

The exposures (AUC) in pregnant rats at 1000 mg/kg twice daily and in pregnant rabbits at 125 mg/kg/day were approximately 1.5 times the adult exposure at the 125-mg/80-mg/80-mg EMEND regimen. Aprepitant crosses the placenta in rats and rabbits.

🧒 Pediatric Use ~1 min read ▾

8.4Pediatric Use The safety and effectiveness of EMEND for oral suspension have been established in pediatric patients 6 months of age and older and EMEND capsules in pediatric patients 12 years of age and older for the prevention of acute and delayed nausea and vomiting associated with initial and repeat courses of HEC, including high-dose cisplatin, and MEC. Use of EMEND in these age groups is supported by evidence from 302 pediatric patients in a randomized, double-blind, active comparator controlled clinical study (n = 207 patients aged 6 months to less than 12 years, n = 95 patients aged 12 through 17 years).

EMEND was studied in combination with ondansetron with or without dexamethasone (at the discretion of the physician) [see Clinical Studies (14.3) ] . Adverse reactions were similar to those reported in adult patients [see Adverse Reactions (6.1) ] . The safety and effectiveness of EMEND for the prevention of nausea and vomiting associated with HEC or MEC have not been established in patients less than 6 months.

Juvenile Animal Study A study was conducted in young rats to evaluate the effects of aprepitant on growth and on neurobehavioral and sexual development. Rats were treated at oral doses up to the maximum feasible dose of 1000 mg/kg twice daily (providing exposure in male rats lower than the exposure at the recommended pediatric human dose and exposure in female rats equivalent to the pediatric human exposure) from the early postnatal period (Postnatal Day 10) through Postnatal Day 58. Slight changes in the onset of sexual maturation were observed in female and male rats; however, there were no effects on mating, fertility, embryonic-fetal survival, or histomorphology of the reproductive organs.

There were no effects in neurobehavioral tests of sensory function, motor function, and learning and memory.

🧓 Geriatric Use 80 words ▾

8.5Geriatric Use Of the 544 adult cancer patients treated with EMEND in CINV clinical studies, 31% were aged 65 and over, while 5% were aged 75 and over. Other reported clinical experience with EMEND has not identified differences in responses between elderly and younger patients. In general, use caution when dosing elderly patients as they have a greater frequency of decreased hepatic, renal or cardiac function and concomitant disease or other drug therapy [see Clinical Pharmacology (12.3) ] .

🆘 Overdosage 76 words ▾

10 OVERDOSAGE No specific information is available on the treatment of overdosage. Drowsiness and headache were reported in one patient who ingested 1440 mg of EMEND (approximately 11 times the maximum recommended single dose). In the event of overdose, EMEND should be discontinued and general supportive treatment and monitoring should be provided.

Because of the antiemetic activity of EMEND, drug-induced emesis may not be effective in cases of EMEND overdosage. Aprepitant is not removed by hemodialysis.

🧬 Clinical Pharmacology ~3 min read ▾

12 CLINICAL PHARMACOLOGY

12.1Mechanism of Action Aprepitant is a selective high-affinity antagonist of human substance P/neurokinin 1 (NK 1 ) receptors. Aprepitant has little or no affinity for serotonin (5-HT 3 ), dopamine, and corticosteroid receptors, the targets of existing therapies for chemotherapy-induced nausea and vomiting (CINV). Aprepitant has been shown in animal models to inhibit emesis induced by cytotoxic chemotherapeutic agents, such as cisplatin, via central actions.

Animal and human Positron Emission Tomography (PET) studies with aprepitant have shown that it crosses the blood brain barrier and occupies brain NK 1 receptors. Animal and human studies show that aprepitant augments the antiemetic activity of the 5-HT 3 -receptor antagonist ondansetron and the corticosteroid dexamethasone and inhibits both the acute and delayed phases of cisplatin-induced emesis.

12.2Pharmacodynamics NK 1 Receptor Occupancy In two single-blind, multiple-dose, randomized, and placebo-controlled studies, healthy young men received oral EMEND doses of 10 mg (N=2), 30 mg (N=3), 100 mg (N=3) or 300 mg (N=5) once daily (0.08, 0.24, 0.8, and 2.4 times the maximum recommended single dose, respectively) for 14 days with 2 or 3 subjects on placebo. Both plasma aprepitant concentration and NK 1 receptor occupancy in the corpus striatum by positron emission tomography were evaluated, at predose and 24 hours after the last dose.

At aprepitant plasma concentrations of approximately 10 ng/mL and 100 ng/mL, the NK 1 receptor occupancies were approximately 50% and 90%, respectively. The oral EMEND regimen produced mean trough plasma aprepitant concentrations greater than 500 ng/mL in adults, which would be expected to, based on the fitted curve with the Hill equation, result in greater than 95% brain NK 1 receptor occupancy. However, the receptor occupancy has not been determined.

In addition, the relationship between NK 1 receptor occupancy and the clinical efficacy of EMEND has not been established. Cardiac Electrophysiology In a randomized, double-blind, positive-controlled, thorough QTc study, a single 200-mg dose of fosaprepitant had no effect on the QTc interval. Maximum aprepitant concentrations after a single 200-mg dose of fosaprepitant were 4-fold higher than that achieved with oral EMEND 125 mg.

QT prolongation with the recommended oral EMEND dosing regimens is not expected.

12.3Pharmacokinetics Absorption Following oral administration of a single 125-mg dose of EMEND on Day 1 and 80 mg once daily on Days 2 and 3, the AUC 0-24hr was approximately 19.6 mcg∙hr/mL and 21.2 mcg∙hr/mL on Day 1 and Day 3, respectively. The C max of 1.6 mcg/mL and 1.4 mcg/mL were reached in approximately 4 hours (T max ) on Day 1 and Day 3, respectively. At the dose range of 80 to 125 mg, the mean absolute oral bioavailability of EMEND is approximately 60 to 65%.

Oral administration of the capsule with a standard high-fat breakfast had no clinically meaningful effect on the bioavailability of aprepitant. The pharmacokinetics of aprepitant were non-linear across the clinical dose range. In healthy young adults, the increase in AUC 0-∞ was 26% greater than dose proportional between 80-mg and 125-mg single doses administered in the fed state.

Distribution Aprepitant is greater than 95% bound to plasma proteins. The mean apparent volume of distribution at steady state (Vd ss ) was approximately 70 L in humans. Aprepitant crosses the blood brain barrier in humans [see Clinical Pharmacology (12.1) ] .

Elimination Metabolism Aprepitant undergoes extensive metabolism. In vitro studies using human liver microsomes indicate that aprepitant is metabolized primarily by CYP3A4 with minor metabolism by CYP1A2 and CYP2C19. Metabolism is largely via oxidation at the morpholine ring and its side chains.

No metabolism by CYP2D6, CYP2C9, or CYP2E1 was detected. In healthy young adults, aprepitant accounts for approximately 24% of the radioactivity in plasma over 72 hours fol…

🧬 Mechanism of Action 124 words ▾

12.1Mechanism of Action Aprepitant is a selective high-affinity antagonist of human substance P/neurokinin 1 (NK 1 ) receptors. Aprepitant has little or no affinity for serotonin (5-HT 3 ), dopamine, and corticosteroid receptors, the targets of existing therapies for chemotherapy-induced nausea and vomiting (CINV). Aprepitant has been shown in animal models to inhibit emesis induced by cytotoxic chemotherapeutic agents, such as cisplatin, via central actions.

Animal and human Positron Emission Tomography (PET) studies with aprepitant have shown that it crosses the blood brain barrier and occupies brain NK 1 receptors. Animal and human studies show that aprepitant augments the antiemetic activity of the 5-HT 3 -receptor antagonist ondansetron and the corticosteroid dexamethasone and inhibits both the acute and delayed phases of cisplatin-induced emesis.

📦 How Supplied / Storage and Handling ~1 min read ▾

16 HOW SUPPLIED/STORAGE AND HANDLING 80-mg capsules: White, opaque, hard gelatin capsule with "461" and "80 mg" printed radially in black ink on the body. They are supplied as follows: NDC 0006-0461-02 unit-of-use BiPack of 2 Unit-of-use TriPack containing one 125-mg capsule and two 80-mg capsules. 125 mg-capsules: Opaque, hard gelatin capsule with white body and pink cap with “462” and “125 mg” printed radially in black ink on the body.

80-mg capsules: White, opaque, hard gelatin capsule with “461” and “80 mg” printed radially in black ink on the body. NDC 0006-3862-03. 125 mg for oral suspension: Pink to light pink powder, in a single-use pouch, packaged as a kit with one 1 mL oral dosing dispenser, one 5 mL oral dosing dispenser, one cap and one mixing cup.

It is supplied as follows: NDC 0006-3066-03 – unit of use carton. Storage and Handling Capsules Store at 20-25°C (68-77°F) [see USP Controlled Room Temperature]. For Oral Suspension Store unopened pouch at 20-25°C (68-77°F); excursions permitted between 15-30°C (between 59-86°F).

Store in the original container. Do not open pouch until ready for use. Once prepared, if suspension is not used immediately, store refrigerated [between 36°F-46°F (2°C-8°C)] for up to 72 hours prior to use.

When ready to use, the mixture can be kept at room temperature [between 68°F-77°F (20°C-25°C)] for up to 3 hours.

📦 Storage and Handling 82 words ▾

Storage and Handling Capsules Store at 20-25°C (68-77°F) [see USP Controlled Room Temperature]. For Oral Suspension Store unopened pouch at 20-25°C (68-77°F); excursions permitted between 15-30°C (between 59-86°F). Store in the original container.

Do not open pouch until ready for use. Once prepared, if suspension is not used immediately, store refrigerated [between 36°F-46°F (2°C-8°C)] for up to 72 hours prior to use. When ready to use, the mixture can be kept at room temperature [between 68°F-77°F (20°C-25°C)] for up to 3 hours.

📋 Description 183 words ▾

11 DESCRIPTION EMEND capsules contain the active ingredient, aprepitant. Aprepitant is a substance P/neurokinin 1 (NK 1 ) receptor antagonist, an antiemetic agent, chemically described as 5-[[(2 R ,3 S )-2-[(1 R )-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]methyl]-1,2-dihydro-3 H -1,2,4-triazol-3-one. Its empirical formula is C 23 H 21 F 7 N 4 O 3 , and its structural formula is: Aprepitant is a white to off-white crystalline solid, with a molecular weight of 534.43.

It is practically insoluble in water. Aprepitant is sparingly soluble in ethanol and isopropyl acetate and slightly soluble in acetonitrile. Each capsule of EMEND for oral administration contains either 80 mg or 125 mg of aprepitant and the following inactive ingredients: sucrose, microcrystalline cellulose, hydroxypropyl cellulose and sodium lauryl sulfate.

The capsule shell excipients are gelatin, titanium dioxide, and may contain sodium lauryl sulfate and silicon dioxide. The 125-mg capsule also contains red ferric oxide and yellow ferric oxide. Each pouch of EMEND for oral suspension 125 mg contains 125 mg of aprepitant and the following inactive ingredients: sucrose, lactose, hydroxypropyl cellulose, sodium lauryl sulfate, red iron oxide, and sodium stearyl fumarate.

Chemical Structure

💬 Information for Patients 204 words ▾

17 PATIENT COUNSELING INFORMATION Advise the patient to read the FDA-approved patient labeling (Patient Information). Hypersensitivity Reactions Advise patients that hypersensitivity reactions, including anaphylaxis, have been reported in patients taking EMEND. Advise patients to stop taking EMEND and seek immediate medical attention if they experience signs or symptoms of a hypersensitivity reaction, such as hives, rash and itching, skin peeling or sores, or difficulty in breathing or swallowing.

Drug Interactions Advise patients to discuss all medications they are taking, including other prescription, non-prescription medication or herbal products [see Contraindications (4) , Warnings and Precautions (5.1) ]. Warfarin: Instruct patients on chronic warfarin therapy to follow instructions from their healthcare provider regarding blood draws to monitor their INR during the 2-week period, particularly at 7 to 10 days, following initiation of the 3-day regimen of EMEND with each chemotherapy cycle [see Warnings and Precautions (5.2) ] .

Hormonal Contraceptives: Advise patients that administration of EMEND may reduce the efficacy of hormonal contraceptives. Instruct patients to use effective alternative or back-up methods of contraception (such as condoms and spermicides) during treatment with EMEND and for 1 month following the last dose of EMEND [see Warnings and Precautions (5.3) , Use in Specific Populations (8.3) ] .

Glossary — plain-language definitions of medical terms used in this label:

contraindicated: Should not be used in that situation, because the risk is considered too high.

in vitro: In a laboratory dish or test tube rather than in a living person or animal; results may not carry over to people.

abdominal pain: Pain, cramping, or discomfort felt anywhere in the belly area.

Absorption: How a medicine moves from where it is taken, such as the stomach or gut, into the bloodstream.

Active ingredient: The part of a medicine that produces its intended effect on the body.

active-controlled: Describes a study that compares a new medicine against another medicine already known to work, instead of a dummy pill.

adverse reaction: An unwanted or harmful effect that a medicine causes in the body.

Adverse Reactions: Unwanted or harmful effects that people experienced while taking a medicine, listed on its official label.

alkaline phosphatase: An enzyme measured in a blood test; higher levels can point to problems with the liver, bile ducts, or bones.

alopecia: Loss of hair from the scalp or body.

anaphylaxis: A sudden, severe, whole-body allergic reaction that can cause trouble breathing, swelling, and a drop in blood pressure, needing emergency care.

anemia: A low level of red blood cells or the oxygen-carrying protein inside them, which can cause tiredness, weakness, and paleness.

animal reproduction studies: Tests in pregnant animals used to check whether a medicine might harm a developing baby.

antagonist: A substance that blocks a target in the body so a natural signal or another medicine cannot produce its usual effect.

anxiety: A feeling of worry, nervousness, or unease, sometimes along with a racing heart or restlessness.

asthenia: Unusual weakness or lack of physical strength and energy.

AUC: A measure of total drug exposure over time, showing how much medicine the blood is exposed to overall.

Bioavailability: The share of a dose that actually reaches the bloodstream and is able to have an effect.

candidiasis: An infection caused by a yeast called Candida, which can affect the mouth, throat, skin, or other areas.

Clinical Pharmacology: The label section explaining how a medicine works in the body and how the body processes it.

Clinical Studies: The label section summarizing the research trials used to show that a medicine works and is acceptably safe.

contraception: Methods used to prevent pregnancy, such as birth control pills, condoms, or an intrauterine device.

Contraindications: A list of situations or health conditions in which a medicine should not be used because the chance of harm is too high.

crosses the placenta: When a substance passes from a pregnant mother's blood, through the placenta, and into the developing baby.

CYP1A2: A liver enzyme that breaks down certain medicines and whose activity can be changed by cigarette smoke.

CYP2C19: A liver enzyme that breaks down certain medicines, such as some stomach-acid drugs and drugs that help prevent blood clots.

CYP2C9: A liver enzyme that breaks down certain medicines, including some blood thinners and anti-inflammatory drugs.

CYP2D6: A liver enzyme that breaks down many medicines; people inherit different versions, so it works faster in some and slower in others.

CYP3A4: One of the most important liver and gut enzymes, responsible for breaking down a large share of all medicines.

cytotoxic: Describing a substance that kills cells, especially fast-growing ones such as cancer cells.

diarrhea: Loose, watery bowel movements that happen more often than normal.

Distribution: How a medicine spreads from the blood into the body's tissues and organs after it is absorbed.

Dosage and Administration: The label section explaining how much of a medicine to use and how to take or give it.

double-blind: A study in which neither the patients nor their doctors know who is getting the real medicine and who is getting the dummy.

Drug Interactions: The label section listing other medicines, foods, or substances that can change how a medicine works or raise the chance of side effects.

dysgeusia: A changed or unpleasant sense of taste, such as a metallic taste.

dyspepsia: Discomfort, fullness, or a burning feeling in the upper belly, commonly called indigestion.

dyspnea: The medical word for shortness of breath, or the feeling that you cannot get enough air.

edema: Swelling caused by extra fluid trapped in the body's tissues.

efficacy: How well a treatment works under the controlled conditions of a clinical study.

Elimination: The overall removal of a medicine from the body by breaking it down and passing it out.

emesis: The medical word for vomiting, or bringing up the contents of the stomach through the mouth.

eructation: The medical word for burping, or releasing gas from the stomach up through the mouth.

estimated background risk: The normal chance that any pregnancy will have a birth defect or problem, even without taking any medicine.

febrile: Having a fever, or relating to a fever.

febrile neutropenia: A fever that happens when infection-fighting white blood cells are very low, which can be a sign of serious infection.

fertility: The natural ability to become pregnant or to father a child.

flatulence: Passing gas from the bowel; feeling bloated or gassy.

flushing: Temporary redness and warmth of the skin, often on the face and neck, from widening of small blood vessels.

Full Prescribing Information: The complete, detailed label for a prescription medicine that follows the summary highlights.

gastritis: Swelling or irritation of the lining of the stomach.

gastroesophageal reflux disease: Stomach acid flowing back up into the food pipe, causing heartburn and irritation.

hemodialysis: A treatment that uses a machine to filter waste and extra fluid from the blood when the kidneys cannot.

hemoglobin: The iron-containing protein inside red blood cells that carries oxygen throughout the body.

How Supplied/Storage and Handling: The label section describing the forms and strengths a medicine comes in and how to store it properly.

hypersensitivity: An overreaction of the body's defense system to a substance, causing symptoms such as rash, swelling, or trouble breathing.

hypokalemia: A lower-than-normal level of potassium, an important mineral, in the blood.

incidence: How often a new event, such as a side effect, happens in a group of people over a set period of time.

Indications and Usage: The label section stating which medical conditions the FDA has officially approved the medicine to treat, prevent, or manage.

inducer: A substance that speeds up an enzyme, which can lower the levels of drugs that enzyme breaks down.

inhibitor: A substance that blocks an enzyme or transporter, which can raise the levels of drugs it normally handles.

INR: A blood test result that shows how quickly blood clots, often used to monitor blood-thinning medicines.

intravenous: Given directly into a vein through a needle or thin tube; often written as IV.

lactation: The making and release of milk from a mother's breasts after giving birth.

malaise: A general feeling of being unwell, uneasy, or low on energy, without one clear symptom.

maximum tolerated dose: The highest dose people can take in a study without unacceptable side effects.

Mechanism of Action: How a medicine produces its effect in the body, described at the level of cells or body chemistry.

Metabolism: How the body chemically changes a medicine, usually in the liver, into other substances.

NDC: A unique number that identifies a specific medicine, its maker, strength, and package size.

neutropenia: A low level of neutrophils, a type of white blood cell that fights infection, which can make it easier to catch infections.

organogenesis: The early stage of pregnancy when the developing baby's organs are first forming.

Overdosage: The label section describing what can happen if too much of a medicine is taken and how it may be treated.

palpitations: The feeling that your heart is racing, pounding, fluttering, or skipping beats.

Patient Counseling Information: The label section telling health professionals what to explain to patients about using a medicine safely.

peripheral neuropathy: Damage to the nerves outside the brain and spinal cord, often causing numbness, tingling, or pain in the hands and feet.

Pharmacokinetics: The study of how the body takes in a medicine, spreads it around, breaks it down, and removes it over time.

placebo: An inactive treatment with no real medicine in it, such as a sugar pill, used for comparison in a study.

placebo-controlled: Describes a study that compares people taking the real medicine against people taking a dummy pill with no active ingredient.

plasma concentration: The amount of medicine measured in the liquid part of the blood at a given time.

pooled analysis: Combining the results of several separate studies into one larger group to look at the overall pattern.

Prescribing Information: The official, detailed document approved by the FDA that tells health professionals how to use a prescription medicine.

proteinuria: Protein leaking into the urine, which can be a sign that the kidneys' filters are damaged.

prothrombin time: A blood test that measures how many seconds it takes for blood to form a clot.

QT prolongation: A longer-than-normal electrical recovery time between heartbeats, seen on a heart tracing (ECG), which can raise the chance of a dangerous heart rhythm.

QTc: A number from a heart tracing (ECG) that measures the heart's electrical recovery time, adjusted for the heart rate.

randomized: Assigned to a treatment group purely by chance, like a coin flip, so the groups being compared start out fair and similar.

receptor: A special docking spot on a cell that a medicine or natural body chemical attaches to in order to trigger an effect.

reproductive potential: The ability to have children, meaning a person who could become pregnant or could father a child.

steady state: The point where the amount of medicine going in equals the amount leaving, so blood levels stay fairly even.

subcutaneous: An injection placed into the fatty layer just under the skin; often written as subcut or SC.

substrate: A drug or other substance that a particular enzyme or transporter acts on.

suspension: A liquid holding fine drug particles that are mixed in but not fully dissolved, so it must be shaken before use.

thrombocytopenia: A low level of platelets, the blood cells that help form clots, which can lead to easier bruising or bleeding.

trough: The lowest level a medicine reaches in the blood, just before the next dose is due.

Use in Specific Populations: The label section describing how a medicine affects particular groups, such as pregnant people, children, or older adults.

volume of distribution: A calculated value showing how widely a medicine spreads into body tissues versus staying in the blood.

Warnings and Precautions: The label section describing serious risks to know about and safety steps to follow while using a medicine.

Source: FDA Structured Product Labeling, mirrored from DailyMed / openFDA. Prefer the government’s original formatting? View this label on DailyMed ↗

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Where does this data come from?

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