FDA-filed SPL labeling · retrieved through openFDA

Lunsotogene Parvec-Cwha

Lunsotogene parvec-cwha is a gene therapy used to treat severe-to-profound sensorineural hearing loss caused by mutations in the OTOF gene.

Brand name Otarmeni
Rx Form 1 Route Intracochlear
Dr. Brian Staiger, PharmD, BCPS
Reviewed by Last reviewed Aug 25, 2026
🧬 Where this information comes from Click to expand

The clinical label records used on this page are FDA-filed Structured Product Labeling (SPL) retrieved through openFDA. We identified 1 clinical label set within the page’s selected clinical scope after exact ingredient or ingredient-combination matching and applicable route/form matching. Forms, routes, brands, labelers, strengths, and NDC product-record counts are built separately from matching FDA National Drug Code Directory records. The linked DailyMed document is a representative official source for verification, not the page’s only clinical source. View the linked label on DailyMed →

At a glance
Linked label effectiveApr 27, 2026
AvailabilityRx
Earliest approval/marketing year 2026
FDA-listed product records 3
Boxed warningNone found in compared labels
How we combine label and product data →
No current FDA shortage listed · checked Sep 16, 2026
Lunsotogene Parvec-Cwha at a glance The quick version — the full detail is in the Patient Information Guide below.
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HelloPharmacist Editorial Team Bottom Line
Otarmeni is a one-time, surgically delivered gene therapy for people with profound hearing loss caused by OTOF gene variants, and it works by restoring production of a key protein needed for the inner ear to send sound signals to the brain. It is given in a single surgical session and comes with real procedure-related risks, so it is administered by specially trained surgeons with careful preparation including corticosteroids and vaccines. Follow all pre- and post-surgery instructions from your care team closely, and report any signs of infection, facial weakness, or balance problems right away.

📖 Lunsotogene Parvec-Cwha: Patient Information Guide

A plain-language walkthrough of Lunsotogene Parvec-Cwha — what it treats, how it works, how it’s taken, side effects, warnings and interactions. Tap any section to expand it.

🎯What it's used for

Lunsotogene parvec-cwha (brand name Otarmeni) is a gene therapy approved for a specific genetic cause of profound hearing loss.

  • Otarmeni is indicated for the treatment of severe-to-profound and profound sensorineural hearing loss (inner-ear hearing loss with thresholds greater than 90 dB at any frequency) in pediatric and adult patients with molecularly confirmed biallelic variants in the OTOF gene, preserved outer hair cell function, and no prior cochlear implant in the ear being treated.
  • This approval is under accelerated approval, meaning it is based on hearing sensitivity improvements at 24 weeks — continued approval depends on results from a confirmatory clinical trial.
  • Otarmeni is not recommended when imaging before surgery shows the inner ear cannot be safely reached, including patients with abnormal mastoid pneumatization or significant anatomic variations of the middle or inner ear.
⚙️How it works

Otarmeni uses an adeno-associated virus (AAV) — a harmless carrier virus — to deliver a working copy of the OTOF gene directly into the cochlea. The OTOF gene provides the blueprint for a protein called otoferlin, which inner hair cells (the tiny sensory cells inside the cochlea) need in order to release chemical signals to the auditory nerve. In people with OTOF gene variants, otoferlin is absent or does not work properly, so those signals never get sent to the brain. Once Otarmeni delivers the functioning gene, the inner hair cells can make otoferlin again and restore communication with the auditory nerve — as demonstrated in animal studies.

💊How it's taken

Otarmeni is given as a single one-time intracochlear infusion (a direct injection into the cochlea) for each treated ear, administered in a surgical suite under general anesthesia. If both ears are being treated, both infusions are done in the same surgical session. Patients receive corticosteroids (anti-inflammatory medicines) starting on the day of the procedure, maintained for two weeks, then tapered over the following two weeks — and antibiotics are given before the surgical incision.

  • Otarmeni must be administered within 4 hours of the vial being punctured.
  • Certain vaccines, especially those protecting against meningitis, should be completed at least one month before the first corticosteroid dose.
🤒Side effects — in detail

The most commonly reported side effects from Otarmeni in clinical trials included:

  • Middle ear infection (otitis media)
  • Vomiting
  • Nausea
  • Dizziness
  • Procedural pain
  • Balance or walking problems (gait disturbance)
  • Involuntary eye movements (nystagmus)

Less common but important reactions included temporary balance disorder, abnormal otoacoustic emissions (a test of outer hair cell function), and wound dehiscence (the surgical wound reopening). Contact your doctor right away if you develop signs of infection, sudden facial weakness, severe vertigo, or any symptom that concerns you.

⚠️Warnings & precautions
  • Procedure-related risks: Because Otarmeni is delivered through inner ear surgery, there is a risk of vertigo, tinnitus, cerebrospinal fluid leak, facial nerve weakness on the treated side, taste changes, meningitis, wound infection, mastoiditis, numbness near the ear, fluid or blood at the surgical site, and labyrinthitis (inner ear inflammation). Your team will monitor you after the procedure.
  • Meningitis risk: Inner ear surgery carries a known risk of meningitis. Vaccination against meningitis-causing organisms is required before surgery.
  • Inflammation: Corticosteroids are given around the time of the procedure to reduce the risk of inflammatory and immune reactions to the gene therapy vector.
  • Imaging requirement: Preoperative imaging must confirm that the inner ear can be safely accessed before proceeding with treatment.
🔀What it interacts with

The FDA label for Otarmeni does not identify specific drug-drug interactions. However, there are important medication considerations related to the procedure:

  • Corticosteroids are required around the time of treatment to prevent inflammatory reactions — your care team will manage this regimen.
  • Antibiotics are required before the surgical incision to reduce infection risk.
  • Vaccines must be given at least one month before the first corticosteroid dose and at least one month after the last dose, to ensure they are effective.

This is not a complete list of interactions. Always talk with your doctor or pharmacist before starting, stopping, or changing any medication.

📋Before taking it
  • Genetic testing required: A confirmed lab result showing changes in both copies of the OTOF gene is required before treatment.
  • Pregnancy: A negative pregnancy test is required before receiving Otarmeni; there are no human safety data in pregnancy.
  • Breastfeeding: It is unknown whether Otarmeni passes into breast milk; discuss the risks and benefits with your doctor.
  • Reproductive potential: There are not enough data to recommend how long to use contraception after treatment; discuss with your doctor.
  • Children: Otarmeni has been studied in pediatric patients as young as 10 months, and its use in this age group is supported by clinical evidence.
  • Older adults (65+): Otarmeni has not been studied in patients 65 years and older.
  • Prior cochlear implant: Patients who already have a cochlear implant in the ear to be treated are not eligible for Otarmeni in that ear.
  • Ear anatomy: Patients with certain inner or middle ear anatomical variations may not be suitable candidates based on imaging results.
🔬Pharmacokinetics — how your body processes it

After a single intracochlear infusion of Otarmeni, the gene therapy vector DNA reaches its highest concentration in the cochlea, where it stays active over time — gene expression in the cochlea was sustained for up to 27 weeks in monkeys and 60–90 days in mice. Some vector DNA spreads into the bloodstream and body fluids shortly after the procedure, but it clears quickly: it was detectable in blood, urine, and saliva only on Day 1 and was gone by Week 2. In stool, it was detectable through Week 6 and undetectable by Week 12. Distribution to tissues outside the ear was limited — at least 10 times lower than cochlear levels in monkeys — with minimal detection in reproductive tissues.

📦How to store it

Store and transport OTARMENI (package 1) frozen at -80°C (-112°F). stored in the refrigerator (2°C to 8°C ) for up to 24 hours or at room temperature (up to 25°C ) for up to 8 hours . Store at room temperature in original carton separately from OTARMENI until time of use.

📄 Written from Lunsotogene Parvec-Cwha’s FDA-approved label information, summarized in plain language with AI, and reviewed by our pharmacy team before publication. Every point is grounded in that labeling — nothing is invented. How we use AI →

🩺 Pharmacist Counseling Corner

Quick, plain-English answers to the questions patients ask most about Lunsotogene Parvec-Cwha — the kind of thing our pharmacy team would talk through with you at the counter.

What exactly does this treatment do — is it a cure?
Otarmeni delivers a working copy of the OTOF gene directly into your inner ear so your hearing cells can finally make the protein they were missing. In the clinical trial, many patients showed meaningful improvements in hearing sensitivity within 24 weeks. That said, this approval is based on early data, and longer-term studies are still ongoing to confirm lasting benefit. Your doctor can talk with you about what level of improvement to realistically expect based on your situation.
Is this a surgery? What will the procedure be like?
Yes — Otarmeni is given through a surgical procedure under general anesthesia, so you'll be asleep for it. A specially trained surgeon makes a small opening to access your inner ear and delivers the therapy through a tiny catheter into the cochlea. If both ears qualify, both are treated in the same session. The whole infusion into each ear takes about 16 minutes, though the full surgical procedure will take longer. You'll be monitored carefully before and after.
What side effects should I watch out for after the procedure?
The most common side effects seen in the clinical trial were middle ear infection, nausea, vomiting, dizziness, pain from the procedure, balance problems, and involuntary eye movements. Most of these are related to the surgery itself. More serious but less common risks include meningitis, facial weakness on the treated side, ringing in the ear, and inner ear inflammation. Call your care team right away if you develop a severe headache with stiff neck or fever, sudden facial drooping, or any sign of infection at the surgical site.
Do I need to take other medicines along with this treatment?
Yes. You'll be given corticosteroids — anti-inflammatory medicines similar to prednisone — starting the day of your procedure. You'll take the full dose for two weeks and then taper down over the following two weeks. This helps your body tolerate the gene therapy without a strong immune reaction. You'll also receive antibiotics before the incision to reduce infection risk. Make sure your vaccinations are up to date — especially the ones that protect against meningitis — and those need to be given at least a month before the corticosteroid course begins.
Can children receive this treatment?
Yes. The clinical trial included pediatric patients as young as 10 months old, and the FDA has approved Otarmeni for use in children as well as adults with confirmed OTOF gene variants. Since it is a surgical procedure under general anesthesia, the team will take age-appropriate precautions throughout.
What if I'm pregnant or thinking about getting pregnant?
Your doctor will require a negative pregnancy test before you receive Otarmeni. There are no human safety data on this therapy during pregnancy, and animal reproductive studies haven't been done either. If you are of childbearing age, talk with your doctor about contraception — there isn't enough information yet to say exactly how long to use it after treatment. If you become pregnant after treatment, let your doctor know as soon as possible.
Is Lunsotogene Parvec-Cwha available over the counter?
Lunsotogene Parvec-Cwha is dispensed by prescription according to its FDA labeling, so it isn't sold over the counter. Your prescriber and pharmacist will determine if it's appropriate for you.
When was Lunsotogene Parvec-Cwha first available?
Lunsotogene Parvec-Cwha has been available in the United States since at least 2026, based on FDA approval history (Drugs@FDA) and product marketing records.
Who makes Lunsotogene Parvec-Cwha?
Lunsotogene Parvec-Cwha is supplied by 2 manufacturers listed in the FDA NDC Directory, including Regeneron Pharmaceuticals, Inc., Catalent Pharma Solutions, LLC.

💬 Answers drafted from Lunsotogene Parvec-Cwha’s FDA-approved label information, summarized in plain language with AI, and reviewed by our pharmacy team before publication. Grounded in that labeling — nothing is made up. How we use AI →

🧰 Keep exploring

💊 How Lunsotogene Parvec-Cwha comes

Lunsotogene Parvec-Cwha is available in 1 form. Different forms and brands can have different approved uses, doses, schedules, and directions. Follow the instructions for your exact product, and do not switch forms without guidance from your prescriber or pharmacist.

Injection

By injection · Intracochlear
Brands Otarmeni
How this form is used
What it may be used for
  • Otarmeni is used to treat severe-to-profound and profound sensorineural hearing loss in children and adults with confirmed biallelic OTOF gene variants, preserved outer hair cell function, and no prior cochlear implant in the treated ear
  • Otarmeni is not recommended when preoperative imaging shows the inner ear cannot be safely accessed
Important instructions
  • Otarmeni is given as a single intracochlear infusion into each treated ear, administered in a surgical suite under general anesthesia by a trained surgeon
  • Otarmeni must be administered within 4 hours of puncturing the vial; the thawed vial should be gently inverted 5 times — do not shake
  • If both ears are being treated, Otarmeni should be given to both ears in the same surgical session
  • Otarmeni is given alongside a corticosteroid course starting on the day of infusion and continuing for approximately four weeks, plus antibiotics before the surgical incision
Available strengths 2 strengths
3 FDA-listed product records

📊 Lunsotogene Parvec-Cwha across the U.S. market

How Lunsotogene Parvec-Cwha appears in the FDA’s National Drug Code Directory — including its dosage forms, strengths, brand names, manufacturers, and FDA-listed product records. These are directory records, not sales or prescription volume.

1
Dose forms
2
Manufacturers
1
Brand names
3
FDA-listed product records
2026
First marketed
Regeneron Pharmaceuticals, Inc.67%
Catalent Pharma Solutions, LLC33%

Share of FDA-listed product records by manufacturer — FDA National Drug Code Directory. Record counts are not sales or prescription volume.

🔍 Compare Lunsotogene Parvec-Cwha products

A representative set of FDA-listed product records for Lunsotogene Parvec-Cwha — across manufacturers, strengths, and dosage forms, grouped by form with each product’s manufacturer and how the FDA approved it. The same medicine may be made and packaged by different companies, so a single drug can have many directory entries. (It’s also why a refill can look different — a new shape, color, or box — even though it contains the same medication.)

Strength Route Manufacturer / Labeler Category Details
💊Injection
LUNSOTOGENE PARVEC 30000000000000 {GC}/mL Catalent Pharma Solutions, LLC DRUG FOR FURTHER PROCESSING View NDC →
LUNSOTOGENE PARVEC 3' VECTOR 30000000000000 {GC}/mL Intracochlear Regeneron Pharmaceuticals, Inc. BLA View NDC →
LUNSOTOGENE PARVEC 30000000000000 {GC}/mL Intracochlear Regeneron Pharmaceuticals, Inc. BLA View NDC →

Showing 3 of 3 products — FDA National Drug Code Directory. See every product, package size and price: browse all 3 Lunsotogene Parvec-Cwha NDCs →

RxNorm Concept Web — From Ingredient to Every Form and Strength

This page starts with one ingredient concept (IN). The branches below show its dose-form concepts (SCDF), then the available clinical drug and strength concepts (SCD). Combination products remain separate concepts with their own pages.

Ingredient (IN) Lunsotogene Parvec-Cwha RxCUI 2741616 1 dose form · 1 strength

Look up RxCUI 2741616 in the RxCUI Atlas →

RxNorm is the U.S. National Library of Medicine’s normalized drug vocabulary. Its concept hierarchy can include forms that are not currently marketed; the status on each branch compares that concept with current FDA listings. RxCUIs identify vocabulary concepts, not individual packages or manufacturers.

🏷️ Sold under these brand names

Otarmeni

🏭 Manufacturers & labelers

Regeneron Pharmaceuticals, Inc. 2 Catalent Pharma Solutions, LLC 1

🔬 Where this comes from

Core label, product, RxNorm, safety, and utilization data on this page come from the sources identified below. AI-written, editorial, and licensed sections are labeled separately.

📄
FDA-filed drug labels (SPL) Uses, dosing, warnings & side effects from SPL records retrieved through openFDA; the linked representative set can be verified on DailyMed. ✓ Linked label effective Apr 27, 2026
🏭
Forms, brands & labelersAggregated from ingredient-matched FDA National Drug Code Directory product records for Lunsotogene Parvec-Cwha.
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Real-world reportsThe FDA Adverse Event Reporting System (FAERS), served through openFDA.
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Recalls & shortagesopenFDA drug-enforcement reports and the FDA drug-shortage database.
🧾 Clinical label set — FDA-filed SPL labels retained for Lunsotogene Parvec-Cwha after exact ingredient or ingredient-combination matching and applicable route/form matching
Clinical labels in scope
1
NDC products indexed
3
Distinct labelers/manufacturers represented
2
Linked representative label
Regeneron Pharmaceuticals, Inc.
Linked label effective
Apr 27, 2026
Composite sections available
20
Linked SPL Set ID
a7a5e936-ab4a-4609-ac10-96efedc89035
Linked SPL Document ID
f878e432-ce74-4536-942e-fb12bbb2c004
Open the linked representative label on DailyMed ↗

How we combine label and product data

HelloPharmacist combines public FDA and NLM records; we don’t author the underlying clinical facts. We identified 1 FDA-filed SPL label set within the page’s selected clinical scope after exact ingredient or ingredient-combination matching and applicable route/form matching. The representative label is the starting point for the displayed reference monograph; the 12 largest stored in-scope SPL records, which may include that representative, are compared section by section, and the longest available version of each section is retained. Forms, routes, brands, labelers, product-listed strengths, and product-record counts are aggregated separately from ingredient-matched FDA NDC Directory records; package records listed above are associated with the linked SPL; and the normalized concept hierarchy comes from NLM RxNorm.

For canonical ingredient pages, bounded product-attributed indication and administration excerpts may be added to the AI evidence, and the generator is instructed to preserve available product, brand, route, and form qualifiers instead of treating one label as universal. Where a section is identified as AI-written, its plain-language text is generated from bounded label evidence. New draft drug pages remain in the admin review queue before first publication. Regeneron Pharmaceuticals, Inc. is the representative DailyMed label linked for verification and dates; it is not the sole source used for the page.

This is general education, not medical advice — always consult your doctor or pharmacist about your medications and any medical condition. For the exact wording of the linked representative label, view that label on DailyMed; some displayed composite sections may come from other in-scope SPL labels. Learn how we use AI and our data sources & update cadence.