Corifact Factor XIII Concentrate (Human) Kit — NDC 63833-0518-02 package photo

Corifact Factor XIII Concentrate (Human) Kit

by CSL Behring GmbH · 1 KIT in 1 CARTON (63833-518-02) * 20 mL in 1 VIAL, SINGLE-USE (63833-528-01) * 20 mL in 1 VIAL, SINGLE-USE (63833-734-65)
NDC 63833-0518-02
🏷️ FDA NDC (as labeled) 63833-518-02 billing pads the product segment with a zero
Brand On market Non-controlled
🗂️ Data synced Sep 17, 2026 · sources: openFDA · FDA label (DailyMed) · FDA Orange & Purple Book · First Databank · CMS NADAC, ASP, Medicare & Medicaid · RxNorm
📋 All sources & update times →

🆔 Identity & classification

FDA NDC (as labeled) 63833-518-02
Product NDC 63833-518
11-digit billing NDC 63833051802
NCPDP billing unit EA — each (per item)
Application # BLA125385
SPL Set ID 96f1b658-01b0-43a7-9aba-693271389a78
DEA schedule Non-controlled
Marketing category BLA
Marketing status On market
FDA listing status Listed (active directory)
Marketing start 2011-02-17
Dosage form KIT
GPI-14 85100033006440
GPI class Corifact
GCN Seq No 067103
GCN 29584
HICL code 017973
Ingredient (HICL) Factor Xiii
HIC1 code M
Therapeutic class — broad (HIC1) Blood
HIC2 code M0
Therapeutic class — intermediate (HIC2) Blood And Blood Replacement Preparations
HIC3 code M0O
Therapeutic class — specific (HIC3) Factor Xiii Preparations
AHFS code 20:28.16.00
AHFS class Hemostatics
FDB label name CORIFACT KIT
FDB brand name Corifact
Legend status F — Federal legend — prescription drug or device
Biologic (Purple Book) 351(a)
Why two NDCs? The FDA registers this code as 63833-518-02 — a 5-3-2 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 product segment → 63833-0518-02. 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.

🏭 Manufacturer & labeler

LabelerCSL Behring GmbH
FDA applicationBLA125385 (BLA)
Labeler code63833
First marketedFeb 2011
Product typePlasma Derivative
Portfolio11 products on file
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 CORIFACT KIT Ingredient Factor Xiii
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.

🧪 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.

A current SPL was checked, but it does not contain a structured or narrative inactive-ingredient list for this product. This does not mean the product has no inactive ingredients.
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 systemPer eachPer package
Retail pharmacies payNADAC · weekly Not in the retail survey — common for institutional, discontinued, or low-volume packs.
Medicaid paysCMS SDUD · 12 mo $10.32
Medicare drug plans payPart D · quarterly No Part D plan price is available for this NDC in our data.
Medicare Part B allowsASP · J7180 $11.235 / J7180 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)63833-518-02
11-digit billing NDC63833-0518-02
Format5-3-2 as registered → padded to 5-4-2 for billing (zero added to the product segment)
HCPCS J-codeJ7180
DescriptorInjection, factor xiii (antihemophilic factor, human), 1 i.u.
Billing units / pkg1 units
Crosswalk sourceCMS ASP NDC-HCPCS Crosswalk
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

ProductLabelerPackNADAC/unitTEStatusPrice vs. this
Corifactthis 63833-0518-02 CSL 1 kit FDA listed
About this product: this is a biologic. Biologics don't have small-molecule generics — competition comes from FDA-licensed biosimilars (shown above), not generics.
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 & biosimilar status

🏛️
2011
First FDA approval
Feb 2011
📍
2026
Currently FDA-listed
15 years listed
🔓
·
Biosimilar pathway open
listed protections lapsed 2023
🧬Biologic — competition comes from biosimilars

Biologics have no small-molecule generics; biosimilar competition is tracked in the FDA Purple Book.

🛡️ Latest patent/protection date listed: The latest listed FDA patent/protection lapsed Feb 2023 — those protections no longer apply, though a biosimilar still needs FDA licensure and a manufacturer to market it.
📅 FDA approved Feb 17, 2011

Why the date isn’t exact: Biosimilar timing can change because patents may be challenged, settled, licensed, added or removed, and litigation can move the real date earlier or later.

FDA Purple Book — biosimilars & interchangeables
🔒 No FDA-licensed biosimilars or interchangeable biosimilars are listed yet for this biologic. It currently has no biosimilar competition in the FDA Purple Book.
Source: FDA Purple Book (purplebooksearch.fda.gov), matched on the reference product’s active ingredient.
Patents & exclusivity — FDA Purple Book
Exclusivity RefProduct
2011 2013 2015 2017 2019 2021 2023
Today
LOE
Biologic patent Exclusivity
🏛️Reference-product exclusivity
A flat 12 years of FDA market protection from first licensure. No biosimilar can be licensed before it ends — regardless of patents.
🧪Listed biologic patents
Patents the reference maker lists covering the molecule, formulation, or manufacturing. A biosimilar generally can’t launch until these resolve.
🔁Interchangeability
An interchangeable biosimilar may be substituted at the pharmacy (state laws vary). The first one can earn its own exclusivity period.
🛈 What do these terms mean?
Biologic patent
A patent the reference product’s maker has publicly listed. A biosimilar generally can’t launch until these expire — unless they’re invalidated or resolved in a settlement.
Reference-product exclusivity
A flat 12 years of FDA market protection from the biologic’s first licensure (the BPCIA). No biosimilar can be licensed before it ends, regardless of patents.
Interchangeable exclusivity
The first interchangeable biosimilar can earn a period as the only interchangeable version (pharmacists can substitute it without the prescriber).
Earliest biosimilar (LOE)
The latest of all the dates above — the soonest a biosimilar can realistically reach the market. Litigation and settlements can move it earlier.

Biologics have no small-molecule “generics” — competition comes from FDA-licensed biosimilars, tracked in the FDA Purple Book.

FDA exclusivity
CodeWhat it grantsExpires
RefProductReference-product exclusivity (12-year, BPCIA) — no biosimilar can be licensed before this dateFeb 17, 2023
Common questions
Is there a biosimilar for CORIFACT KIT?
No FDA-licensed biosimilar is currently listed for this biologic in the FDA Purple Book.
Why do different websites show different biosimilar dates?
Biosimilar availability isn’t based on one single date. Some sources use the reference-product exclusivity, some use the last listed patent, and patent litigation, settlements, and licenses can all change the real-world launch date. This page shows the underlying Purple Book dates so you can see why estimates differ.
Can a biosimilar launch before the last patent expires?
Sometimes. A biosimilar maker may settle with the reference manufacturer or receive a license to launch earlier. In other cases, the last listed protection delays competition.
What does “current Purple Book estimate” mean?
It means we’re using the latest patent and exclusivity dates currently listed in the FDA Purple Book. It is not a guaranteed launch date.
What does “FDA listed” mean?
It means the product appears in the FDA’s official directory. That’s a good sign a product exists for the U.S. market, but on its own it does not confirm a pharmacy can get it today. Where we have recent retail pricing data, 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 Purple Book for a patent or exclusivity on the reference biologic. It can affect when a biosimilar becomes widely available — but it is not a guaranteed launch date. Settlements and licenses can move the real date earlier or later.
Built from the FDA Purple Book Patent List (patents the reference-product sponsor has publicly listed under the BPCIA) plus reference-product exclusivity. Biosimilars cannot launch until these clear; patent litigation and settlements can shift the real date. Biologics have no small-molecule generics — competition comes from FDA-licensed biosimilars, not the Orange Book.
Where does this data come from?
Patents and exclusivity from the FDA Purple Book (biologics), refreshed from public FDA data. Biosimilar launch timing is an estimate, not a guarantee.

🗺️ Medicaid utilization & spend

📍 This exact package only: Medicaid data is reported per full 11-digit NDC — labeler, product and pack size — so every number here is for 63833-0518-02, not the drug overall. Other pack sizes report separately.
💊 Pharmacy benefit only: These are Medicaid outpatient pharmacy claims, billed by NDC. They exclude the medical benefit — clinic- or hospital-administered drugs billed under HCPCS J-codes — so drugs used mostly that way (e.g. Avastin, Lucentis, Keytruda) can look low or missing here. That’s expected, not an error.
📅 Q1 2025 – Q4 2025 · 4 quarters of data
ⓘ The newest quarter is usually incomplete when first published; states restate recent quarters in later CMS releases, so the latest figures typically revise upward. State coverage-policy changes can also shift quarter-to-quarter totals.
Prescriptions last 4 qtrs
22
Units reimbursed last 4 qtrs
43K
Gross reimbursed last 4 qtrs
$443.4K
Avg / prescription
$20,153.62
Avg / unit
$10.3224
Latest quarter Q4 2025
11Rx
Fee-for-service vs managed care
100% MCO
Fee-for-service · 0 Rx Managed care · 22 Rx
State Medicaid map
Alaska: no data reported AK Maine: no data reported ME Washington: no data reported WA Idaho: no data reported ID Montana: no data reported MT North Dakota: no data reported ND Minnesota: no data reported MN Wisconsin: no data reported WI Michigan: no data reported MI New York: no data reported NY Vermont: no data reported VT New Hampshire: no data reported NH Oregon: no data reported OR Nevada: no data reported NV Wyoming: no data reported WY South Dakota: no data reported SD Iowa: no data reported IA Illinois: no data reported IL Indiana: no data reported IN Ohio: no data reported OH Pennsylvania: no data reported PA New Jersey: no data reported NJ Massachusetts: no data reported MA California: no data reported CA Utah: no data reported UT Colorado: no data reported CO Nebraska: no data reported NE Missouri: no data reported MO Kentucky: no data reported KY West Virginia: no data reported WV Virginia: no data reported VA Maryland: no data reported MD Connecticut: no data reported CT Rhode Island: no data reported RI Arizona: no data reported AZ New Mexico: no data reported NM Kansas: no data reported KS Arkansas: no data reported AR Tennessee: no data reported TN North Carolina: 42,953 units · 396 per 100k residents NC South Carolina: no data reported SC Delaware: no data reported DE Oklahoma: no data reported OK Louisiana: no data reported LA Mississippi: no data reported MS Alabama: no data reported AL Georgia: no data reported GA D.C.: no data reported DC Hawaii: no data reported HI Texas: no data reported TX Florida: no data reported FL
Units reimbursed · per 100k residents
396396
gray = no data reported
Colors are per 100,000 residents, so big states don’t automatically dominate. Tap or hover a state for its actual totals.
Tap or hover a state
…for its Medicaid breakdown
🏆 Top states by units · per 100k residents
1 North Carolina 396 /100k
National units — by quarter
💵 About the dollar figures: “reimbursed” is what Medicaid paid pharmacies before confidential manufacturer rebates, so the program’s real net cost is lower than these numbers. Fee-for-service and managed-care claims are combined unless split above. Source: CMS State Drug Utilization Data; per-100k rates use 2023 Census population estimates.

📦 Packaging — all sizes for this product

Package NDCDescription Marketing startStatus
63833-0518-02 You're viewing this 1 KIT in 1 CARTON (63833-518-02) * 20 mL in 1 VIAL, SINGLE-USE (63833-528-01) * 20 mL in 1 VIAL, SINGLE-USE (63833-734-65) 2011-02-17 Active

🧭 About this NDC listing & data coverage

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) ✓ Available
“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 63833-518-02, 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: 63833-0518-02, written without dashes as 63833051802. 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 63833-0518-02, the first segment (63833) is the labeler code FDA assigned to CSL Behring GmbH; the middle segment (0518) identifies this specific product — its ingredient, strength, and dosage form; and the last segment (02) 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 CSL Behring GmbH. Listing status can change — the directory data on this page refreshes weekly.
Who lists this product with the FDA?
CSL Behring GmbH 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.
Does this product have a billing J-code?
Yes — this NDC cross-references HCPCS code J7180 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 FDA label FDA SPL

The complete FDA label for this product, verbatim, section by section. Jump with a chip, search within the label, or expand everything.
🎯 Indications and Usage 104 words

1 INDICATIONS AND USAGE Corifact, Factor XIII (FXIII) Concentrate (Human) is indicated for routine prophylactic treatment of congenital FXIII deficiency. The effectiveness of Corifact is based on maintaining a trough FXIII activity level of approximately 5% to 20%. There are no controlled trials demonstrating a direct benefit on treatment of bleeding episodes with Corifact.

Corifact is indicated for routine prophylactic treatment of congenital Factor XIII (FXIII) deficiency. The effectiveness of Corifact is based on maintaining a trough FXIII activity level of approximately 5% to 20%. There are no controlled trials demonstrating a direct benefit on treatment of bleeding episodes with Corifact ( 1 ).

⏱️ Dosage and Administration ~3 min read

2 DOSAGE AND ADMINISTRATION For intravenous use only. Reconstitute prior to use. Initial Dose ( 2.2 ) 40 International Units (units) per kg body weight Administer at a rate not to exceed 4 mL per minute Subsequent Dosing ( 2.2 ) Dosing should be guided by the most recent trough FXIII activity level, with dosing every 28 days (4 weeks) to maintain a trough level of approximately 5% to 20%.

Recommended dosing adjustments of ±5 units per kg should be based on trough FXIII activity levels of <5% or >20%, and the patient's clinical condition. Dosing adjustments should be guided based on a specific assay used to determine FXIII levels. An example of dose adjustment using the Berichrom ® activity assay is outlined in Table 1 below.

Dose Adjustment Using the Berichrom Activity Assay ( 2.2 , Table 1) FXIII Activity Trough Level (%) Dosage Change One trough level of <5% Increase by 5 units per kg Trough level of 5% to 20% No change Two trough levels of >20% Decrease by 5 units per kg One trough level of >25% Decrease by 5 units per kg Preparation and Reconstitution ( 2.3 ) Store vial in original carton and in a refrigerator at 2-8°C (36-46°F). Do not freeze. Reconstitute Corifact prior to use with 20 mL of Sterile Water for Injection, USP.

Administration ( 2.4 ) Do not mix with other medicinal products. Administer through a separate infusion line.

2.1Dosage Corifact dosing regimen should be individualized based on body weight, laboratory values, and the patient's clinical condition.

2.2Dosing Schedule Initial dose 40 International Units (units) per kg body weight The injection rate should not exceed 4 mL per minute. Subsequent dosing Dosing should be guided by the most recent trough FXIII activity level, with dosing every 28 days (4 weeks) to maintain a trough FXIII activity level of approximately 5% to 20%. 1 Recommended dosing adjustments of ±5 units per kg should be based on trough FXIII activity levels as shown in Table 1 and the patient's clinical condition ( see Pharmacokinetics [12.3] ).

Dosing adjustments should be guided based on a specific assay used to determine FXIII levels. An example of dose adjustment using the Berichrom activity assay is outlined in Table 1 below. Table 1: Dose Adjustment Using the Berichrom Activity Assay Factor XIII Activity Trough Level (%) Dosage Change One trough level of <5% Increase by 5 units per kg Trough level of 5% to 20% No change Two trough levels of >20% Decrease by 5 units per kg One trough level of >25% Decrease by 5 units per kg The potency expressed in units is determined using the Berichrom activity assay, referenced to the current International Standard for Blood Coagulation Factor XIII, Plasma.

Therefore, a unit herein is equivalent to an International Unit.

2.3Preparation and Reconstitution For intravenous use only. Reconstitute, using aseptic techniques, prior to use. Do not use Corifact beyond the expiration date on the vial label and carton.

Perform a visual inspection of the reconstituted solution. It should be colorless to slightly yellowish, slightly opalescent, and free from visible particles. Administer Corifact using aseptic techniques to maintain product sterility.

Corifact is for single use only. Contains no preservatives. The product must be used within 4 hours after reconstitution.

Do not refrigerate or freeze the reconstituted solution. Discard partially used vials. The procedures below are provided as general guidelines for the preparation and reconstitution of Corifact.

Reconstitute Corifact at room temperature as follows: 1. Ensure that the Corifact vial and diluent vial are at room temperature. Prepare and administer using aseptic techniques.

2. Place the Corifact vial, diluent vial, and Mix2Vial™ transfer set on a flat surface. 3.

Remove Corifact and diluent vial flip caps and treat the stoppers with the alcohol swab provided, and allow to dry prior to opening the Mix2Vial transfer set package. 4. Open the Mix2Vial transfer set package by peeling away the lid (…

💊 Dosage Forms and Strengths 72 words

3 DOSAGE FORMS AND STRENGTHS Corifact is available as a single-use vial containing 1000-1600 units of FXIII as a lyophilized concentrate. A 20 mL vial of Sterile Water for Injection, USP, is provided for reconstitution. The actual units of potency of FXIII are stated on each Corifact vial label and carton. Corifact is available as a single-use vial containing 1000-1600 units of FXIII as a lyophilized concentrate for reconstitution ( 3 ).

Contraindications 54 words

4 CONTRAINDICATIONS Corifact is contraindicated in patients with known anaphylactic or severe systemic reactions to human plasma-derived products or to any components in Corifact ( see Description [11] ). Corifact is contraindicated in patients with known anaphylactic or severe systemic reactions to human plasma-derived products or to any components in Corifact ( 4 ).

⚠️ Warnings and Cautions ~2 min read

5 WARNINGS AND PRECAUTIONS Hypersensitivity reactions may occur. If necessary, discontinue administration and institute appropriate treatment ( 5.1 ). Inhibitory antibodies have been detected in patients receiving Corifact.

If expected FXIII activity levels are not attained, or if breakthrough bleeding occurs while receiving prophylaxis treatment, an assay that measures FXIII inhibitory antibody concentrations should be performed ( 5.2 ). Thrombotic events have been reported in patients receiving Corifact. Weigh the benefits of the administration versus the risks of thrombosis ( 5.3 ).

Corifact is made from human blood and may carry a risk of transmitting infectious agents, e.g., viruses, and theoretically, the Creutzfeldt-Jakob disease (CJD) agent ( 5.4 ).

5.1Hypersensitivity Hypersensitivity reactions (including allergy, rash, pruritus, and erythema) have been observed with Corifact. If signs or symptoms of anaphylaxis or hypersensitivity reactions (including urticaria, rash, tightness of the chest, wheezing, hypotension) occur, immediately discontinue administration ( see Patient Counseling Information [17] ) and institute appropriate treatment.

5.2Immunogenicity Development of inhibitory antibodies against FXIII has been detected in patients receiving Corifact. Monitor patients for possible development of inhibitory antibodies. Presence of inhibitory antibodies may manifest as an inadequate response to treatment.

If expected plasma FXIII activity levels are not attained, or if breakthrough bleeding occurs while receiving prophylaxis, an assay that measures FXIII inhibitory antibody concentrations should be performed. One case of inhibitory antibodies against FXIII has been reported in the clinical studies (see Clinical Trials Experience [6.1] ). Cases of inhibitory antibodies against FXIII in patients with congenital FXIII deficiency have also been reported in postmarketing surveillance.

5.3Thromboembolic Risk Thromboembolic complications have been reported in postmarketing surveillance ( see Postmarketing Experience [6.2] ). Benefits and risks should be carefully assessed in pregnant women because of their hypercoagulable state and potential for increased risk of thromboembolic events.

5.4Transmission of Infectious Agents Corifact is made from human plasma. Because this product is made from human blood, it may carry a risk of transmitting infectious agents, e.g., viruses, and theoretically, the Creutzfeldt-Jakob disease (CJD) agent. There is also the possibility that unknown infectious agents may be present in such products.

The risk that such products could transmit viruses has been reduced by screening plasma donors for prior exposure to certain viruses, by testing for the presence of certain current virus infections, and by inactivating and removing certain viruses during manufacture ( see Description [11] ). Despite these measures, such products may still potentially transmit disease. Consider appropriate vaccination (against hepatitis A and B virus) for patients in regular/repeated receipt of Corifact.

All infections thought by a physician to have been possibly transmitted by this product should be reported by the physician or other healthcare provider to the CSL Behring Pharmacovigilance Department at 1-866-915-6958 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .

5.5Monitoring Laboratory Tests Monitoring of patient's trough FXIII activity level ( see Dosing Schedule [2.2] ) is recommended during treatment with Corifact. If breakthrough bleeding occurs, or if expected peak plasma FXIII activity levels are not attained ( see Pharmacokinetics [12.3] ), an investigation to determine the presence of FXIII inhibitory antibodies should be performed.

🤒 Adverse Reactions ~3 min read

6 ADVERSE REACTIONS The most common adverse reactions reported in clinical trials in greater than one subject (frequency >1%) following Corifact treatment are hypersensitivity reactions (including allergy, rash, pruritus, and erythema), chills/rise in temperature, arthralgia, headache, elevated thrombin-antithrombin levels, and an increase in hepatic enzymes. Adverse reactions are those adverse events (AEs) considered to be "at least possibly related" to the infusion of Corifact. The most common adverse reactions reported in Corifact clinical studies, in greater than one subject (frequency >1%), are hypersensitivity reactions (including allergy, rash, pruritus, and erythema), chills/rise in temperature, arthralgia, headache, elevated thrombin-antithrombin levels, and an increase in hepatic enzymes ( 6 ).

Neutralizing antibodies against FXIII were reported in a clinical study ( 6.1 ). To report SUSPECTED ADVERSE REACTIONS, contact the CSL Behring Pharmacovigilance Department at 1-866-915-6958 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .

6.1Clinical Trials Experience Because clinical studies 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 practice. Twelve clinical studies were conducted and included 187 unique subjects, 90 subjects were <16 years of age ( see Pediatric Use [8.4] ). These 187 subjects received a total of approximately 3930 infusions of Corifact.

The most common adverse events reported in clinical trials in greater than three subjects (frequency >2%) are flu-like syndrome, abdominal pain, diarrhea, contusion, joint injury, limb injury, road traffic accident, upper respiratory tract infection, arthralgia, headache, epistaxis, vomiting, fever, hematoma, head injury, and rash. Adverse events (AEs) are defined as treatment-emergent AEs that started after the first Corifact study infusion. In the 12-week prospective, open-label, multicenter, pharmacokinetic and safety study conducted in 7 females and 7 males with congenital FXIII deficiency, ranging in age from 5 to 42 years (3 children, 2 adolescents, and 9 adults), there were no reports of deaths, life-threatening events, or adverse events that led to discontinuation or withdrawal from the study.

No breakthrough bleeding episodes were reported in this study. A case of neutralizing antibodies against FXIII was reported in the ongoing postmarketing clinical study. The patient received prophylactic treatment with Corifact for ten years.

Concomitant medications included interferon for hepatitis C infection. This patient presented with bruising, and post-infusion FXIII levels were found to be lower than expected. Over several weeks, FXIII recovery values decreased, so the dose and frequency of treatments were increased.

Neutralizing antibodies to FXIII were detected, interferon treatment was discontinued, and the subject underwent plasmapheresis. Within a month, neutralizing antibodies were no longer detectable, FXIII recovery levels improved, and the previous prophylactic regimen was resumed.

6.2Postmarketing Experience Because postmarketing reporting of adverse reactions is voluntary and from a population of uncertain size, it is not always possible to reliably estimate the frequency of these reactions or establish a causal relationship to product exposure. The adverse reactions spontaneously reported after administration of Corifact during postmarketing surveillance outside the US since 1993, identified by system organ class are provided in Table 2. Table 2: Postmarketing Adverse Reactions MedDRA System Organ Class MedDRA Preferred Term/Symptoms Immune system disorders Allergic/anaphylactic reaction (including cutaneous reactions, alteration in blood pressure, nausea, dyspnea, fever, and chills) General disorders and administration site conditions Pyrexia Blood and lymphatic system…

👥 Use in Specific Populations ~1 min read

8 USE IN SPECIFIC POPULATIONS Pediatric: Shorter half-life and faster clearance (after adjusting for per kg body weight) than in adults have been observed. These results are difficult to interpret because of the limited number of subjects (n=5) ( 8.4 ).

8.1Pregnancy Pregnancy Category C. Animal reproduction studies have not been conducted with Corifact. Safety and effectiveness in pregnancy have not been established. Corifact should be given to a pregnant woman only if clearly needed ( see WARNINGS AND PRECAUTIONS/Thromboembolic Risk [5.3] ).

8.2Labor and Delivery Corifact has not been studied for use during labor and delivery. Safety and effectiveness in labor and delivery have not been established.

8.3Nursing Mothers It is not known whether Corifact is excreted in human milk. Use Corifact only if clearly needed when treating nursing women.

8.4Pediatric Use Of the 187 unique subjects in the Corifact clinical studies, 90 were subjects <16 years of age at the time of enrollment (<1 month, n=2; 1 month to <2 years, n=14; 2 to 11 years, n=52; 12 to <16 years, n=22). In the pharmacokinetic study ( see Pharmacokinetics [12.3] ), 5 of the 14 subjects ranged in age from 2 to <16 years. Subjects less than 16 years had a shorter half-life (5.7 ± 1.00 days) and faster clearance (0.29 ± 0.12 mL/hr/kg) compared to adults (half-life: 7.1 ± 2.74 days, clearance: 0.22 ± 0.07 mL/hr/kg).

The number of subjects less than 16 years of age limits the statistical interpretation. There were no apparent differences in the safety profile in children as compared to adults. All pediatric subjects were treated for congenital Factor XIII deficiency.

8.5Geriatric Use The safety and efficacy of Corifact in the geriatric population have not been established due to an insufficient number of subjects.

🤰 Pregnancy 43 words

8.1Pregnancy Pregnancy Category C. Animal reproduction studies have not been conducted with Corifact. Safety and effectiveness in pregnancy have not been established. Corifact should be given to a pregnant woman only if clearly needed ( see WARNINGS AND PRECAUTIONS/Thromboembolic Risk [5.3] ).

🧒 Pediatric Use 138 words

8.4Pediatric Use Of the 187 unique subjects in the Corifact clinical studies, 90 were subjects <16 years of age at the time of enrollment (<1 month, n=2; 1 month to <2 years, n=14; 2 to 11 years, n=52; 12 to <16 years, n=22). In the pharmacokinetic study ( see Pharmacokinetics [12.3] ), 5 of the 14 subjects ranged in age from 2 to <16 years. Subjects less than 16 years had a shorter half-life (5.7 ± 1.00 days) and faster clearance (0.29 ± 0.12 mL/hr/kg) compared to adults (half-life: 7.1 ± 2.74 days, clearance: 0.22 ± 0.07 mL/hr/kg).

The number of subjects less than 16 years of age limits the statistical interpretation. There were no apparent differences in the safety profile in children as compared to adults. All pediatric subjects were treated for congenital Factor XIII deficiency.

🧓 Geriatric Use 24 words

8.5Geriatric Use The safety and efficacy of Corifact in the geriatric population have not been established due to an insufficient number of subjects.

🧬 Clinical Pharmacology ~3 min read

12 CLINICAL PHARMACOLOGY

12.1Mechanism of Action Corifact (FXIII) is an endogenous plasma glycoprotein consisting of two A-subunits and two B-subunits. FXIII circulates in blood and is present in platelets, monocytes, and macrophages. FXIII appears in 2 forms, a heterotetrameric (A 2 B 2 ) plasma protein with a molecular weight of about 320 kilodaltons and a homodimeric (A 2 ) cellular form.

FXIII is a proenzyme that is activated, in the presence of calcium ion, by thrombin cleavage of the A-subunit to become activated FXIII (FXIIIa). Intracellularly, the homodimeric form of only the A-subunits (A 2 ) is found. The B-subunits in plasma have no enzymatic activity, and function as carrier molecules for the A-subunits.

They stabilize the structure of the A-subunits and protect them from proteolysis. FXIIIa promotes cross-linking of fibrin during coagulation and is essential to the physiological protection of the clot against fibrinolysis. FXIIIa is a transglutaminase enzyme that catalyzes the cross-linking of the fibrin α- and γ-chains for fibrin stabilization and renders the fibrin clot more elastic and resistant to fibrinolysis.

2,3 FXIIIa also cross-links α 2 -plasmin inhibitor to the α-chain of fibrin, resulting in protection of the fibrin clot from degradation by plasmin. Cross-linked fibrin is the end result of the coagulation cascade, and provides tensile strength to a primary hemostatic platelet plug. 3

12.2Pharmacodynamics In clinical studies, the intravenous administration of Corifact demonstrated an increase in plasma levels of FXIII lasting approximately 28 days. In the pharmacokinetic study, after the third 40 units per kg dose (steady state), the mean increase in FXIII activity levels was 83% with a range of 48 to 114% over the baseline ( see Pharmacokinetics [12.3] ).

12.3Pharmacokinetics A 12-week prospective, open-label, multicenter pharmacokinetic and safety study was conducted in 7 females and 7 males with congenital FXIII deficiency, ranging in age from 5 to 42 years (3 children, 2 adolescents, 9 adults). One adult male did not complete the pharmacokinetic study. Each subject received 40 units per kg Corifact intravenously every 28 days for a total of three doses administered at approximately 250 units per min.

Blood samples for doses 1 and 2 were drawn from patients to determine the FXIII activity level at baseline and 30 and 60 minutes after the infusion. Following the infusion of the third dose of Corifact, blood samples were drawn at regular intervals up to 28 days to determine the pharmacokinetic parameters. The pharmacokinetic parameters based on baseline adjusted FXIII activity (Berichrom assay) are shown in Table 4.

Table 4: Pharmacokinetic Parameters (n=13) by Berichrom Assay Method - Baseline Adjusted Values Parameters Mean ±SD AUC ss (0-inf) = Area under the plasma concentration curve from time 0 to infinity at steady state C ss, max : Peak concentration at steady state C ss, min : Trough concentration at steady state T max : Time to peak concentration CL: Clearance V ss : Volume of distribution at steady state MRT = Mean residence time SD = Standard deviation AUC ss, 0-inf (units∙hr/mL) 184.0 ±65.78 C ss, max (units/mL) 100% activity corresponds to 1 unit/mL 0.9 ±0.20 C ss, min (units/mL) 0.05 ±0.05 T max (hr) 1.7 ±1.44 Half-life [days] 6.6 ±2.29 CL [mL/hr/kg] 0.25 ±0.09 V ss [mL/kg] 51.1 ±12.61 MRT [days] 10.0 ±3.45 Due to the small sample size, the impact of age, gender, and race on the pharmacokinetics of Corifact could not be reliably evaluated.

🧬 Mechanism of Action 218 words

12.1Mechanism of Action Corifact (FXIII) is an endogenous plasma glycoprotein consisting of two A-subunits and two B-subunits. FXIII circulates in blood and is present in platelets, monocytes, and macrophages. FXIII appears in 2 forms, a heterotetrameric (A 2 B 2 ) plasma protein with a molecular weight of about 320 kilodaltons and a homodimeric (A 2 ) cellular form.

FXIII is a proenzyme that is activated, in the presence of calcium ion, by thrombin cleavage of the A-subunit to become activated FXIII (FXIIIa). Intracellularly, the homodimeric form of only the A-subunits (A 2 ) is found. The B-subunits in plasma have no enzymatic activity, and function as carrier molecules for the A-subunits.

They stabilize the structure of the A-subunits and protect them from proteolysis. FXIIIa promotes cross-linking of fibrin during coagulation and is essential to the physiological protection of the clot against fibrinolysis. FXIIIa is a transglutaminase enzyme that catalyzes the cross-linking of the fibrin α- and γ-chains for fibrin stabilization and renders the fibrin clot more elastic and resistant to fibrinolysis.

2,3 FXIIIa also cross-links α 2 -plasmin inhibitor to the α-chain of fibrin, resulting in protection of the fibrin clot from degradation by plasmin. Cross-linked fibrin is the end result of the coagulation cascade, and provides tensile strength to a primary hemostatic platelet plug. 3

📦 How Supplied / Storage and Handling ~1 min read

16 HOW SUPPLIED/STORAGE AND HANDLING

16.1How Supplied Corifact is supplied in a single-use vial. Each carton (kit) contains one single-use vial of Corifact for reconstitution with 20 mL of Sterile Water for Injection, USP, a Mix2Vial filter transfer set, and one alcohol swab. The actual units of potency of FXIII Concentrate (Human) are stated on each Corifact vial label and carton.

The Corifact packaging components are not made with natural rubber latex. Each product package consists of the following: NDC Number Component 63833-518-02 Carton (kit) contains one 1000-1600 units Corifact in a single-use vial [NDC 63833-528-01], one 20 mL vial of Sterile Water for Injection, USP [NDC 63833-734-65], one Mix2Vial filter transfer set, and one alcohol swab.

16.2Storage and Handling Store Corifact in a refrigerator at 2 - 8°C (36 - 46°F). Corifact is stable for 24 months, up to the expiration date on the carton and vial labels. Within the expiration date, Corifact may be stored at room temperature not to exceed 25°C (77°F) for up to 6 months.

Do not return the product to the refrigerator after it is stored at room temperature. Clearly mark the beginning date of room temperature storage on the carton flap. Do not use beyond the expiration date on the carton and vial labels, or end of the period for room temperature storage, whichever comes first.

Store the vial in the original carton in order to protect it from light. Do not freeze. Administer promptly after reconstitution.

This product does not contain a preservative. The product must be used within 4 hours after reconstitution. Do not refrigerate or freeze the reconstituted solution.

📦 Storage and Handling 153 words

16.2Storage and Handling Store Corifact in a refrigerator at 2 - 8°C (36 - 46°F). Corifact is stable for 24 months, up to the expiration date on the carton and vial labels. Within the expiration date, Corifact may be stored at room temperature not to exceed 25°C (77°F) for up to 6 months.

Do not return the product to the refrigerator after it is stored at room temperature. Clearly mark the beginning date of room temperature storage on the carton flap. Do not use beyond the expiration date on the carton and vial labels, or end of the period for room temperature storage, whichever comes first.

Store the vial in the original carton in order to protect it from light. Do not freeze. Administer promptly after reconstitution.

This product does not contain a preservative. The product must be used within 4 hours after reconstitution. Do not refrigerate or freeze the reconstituted solution.

📋 Description ~2 min read

11 DESCRIPTION Corifact is a heat-treated, lyophilized FXIII (coagulation factor XIII) concentrate made from pooled human plasma. Each vial contains 1000-1600 units FXIII, 120 to 200 mg human albumin, 120 to 320 mg total protein, 80 to 120 mg glucose and 140 to 220 mg sodium chloride. Sodium hydroxide may have been used to adjust the pH.

All plasma used in the manufacture of Corifact is obtained from US donors and is tested using serological assays for hepatitis B surface antigen and antibodies to HIV-1/2 and HCV. The plasma is tested with Nucleic Acid Testing (NAT) for HCV, HIV-1, HAV and HBV and found to be non-reactive (negative), and the plasma is also tested by NAT for Human Parvovirus B19. Only plasma that passed virus screening is used for production, and the limit for Parvovirus B19 in the fractionation pool is set not to exceed 10 4 International Units of Parvovirus B19 DNA per mL.

Corifact is manufactured from cryo-depleted plasma into an ethanol precipitate, which is then purified by precipitation/adsorption, ion exchange chromatography and heat-treatment (+60°C for 10 hours in an aqueous solution) steps. The sterile filtered final bulk solution is filled into vials and lyophilized. Three manufacturing steps were independently validated in a series of in vitro experiments for their capacity to inactivate or remove both enveloped and non-enveloped viruses.

Table 3 shows the virus clearance capacity of the Corifact manufacturing process, expressed as mean log 10 reduction factor. Table 3: Cumulative (log 10 ) Virus Inactivation/Removal in Corifact Manufacturing Step Virus Reduction Factor (log 10 ) Enveloped Viruses Non-Enveloped Viruses HIV BVDV WNV HSV-1 HAV CPV HIV, Human immunodeficiency virus type 1, model for HIV-1 and HIV-2 BVDV, bovine viral diarrhea virus, model for HCV WNV, West Nile virus HSV-1, herpes simplex virus type 1, model for large enveloped DNA viruses HAV, Hepatitis A virus CPV, canine parvovirus, model for B19V n.d., not done Al(OH) 3 Adsorption / Vitacel ® Defibrination ≥5.8 2.8 n.d. ≥7.6 1.3 [0.4] Not included in the calculation of the cumulative virus reduction factor.

Ion Exchange Chromatography 5.0 3.4 n.d. n.d. 3.4

3.7Heat Treatment ≥5.8 ≥8.1 ≥7.4 ≥7.6 4.3

1.0Studies using human parvovirus B19, which are considered experimental in nature, have demonstrated a virus reduction factor of ≥4.0 log 10 by heat treatment. Cumulative Virus Reduction (log 10 ) ≥16.6 ≥14.3 ≥7.4 ≥15.2 9.0 4.7

💬 Information for Patients 157 words

17 PATIENT COUNSELING INFORMATION Inform patients of the signs and symptoms of allergic hypersensitivity reactions, such as urticaria, rash, tightness of the chest, wheezing, hypotension and/or anaphylaxis experienced during or after injection of Corifact ( see WARNINGS AND PRECAUTIONS/Hypersensitivity [5.1] ). Inform patients of the signs and symptoms of immunogenicity such as breakthrough bleeding ( see WARNINGS AND PRECAUTIONS/Immunogenicity [5.2] ) . Inform patients of signs and symptoms of thrombosis, such as limb or abdomen swelling and/or pain, chest pain, shortness of breath, loss of sensation or motor power, altered consciousness, vision, or speech ( see WARNINGS AND PRECAUTIONS/Thromboembolic Risk [5.3] ) .

Inform patients that because Corifact is made from human blood, it may carry a risk of transmitting infectious agents, e.g., viruses, and theoretically, the Creutzfeldt-Jakob disease (CJD) agent ( see WARNINGS AND PRECAUTIONS/Transmission of Infectious Agents [5.4] and Description [11] ). FDA-Approved Patient Labeling – Patient Product Information (PPI) is provided following this section.

Source: FDA Structured Product Labeling, mirrored from DailyMed / openFDA. Prefer the government’s original formatting? View this label on DailyMed ↗
For educational and professional reference only — not medical advice. Pricing reflects published NADAC and CMS ASP (free public data) and may differ from your acquisition cost; always verify before billing or dispensing.