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zynyz

Zynyz (Retifanlimab-Dlwr) is a medication used to treat Merkel Cell Carcinoma.

Retifanlimab-Dlwr · by Incyte Corp

Not yet rated· sourced from the FDA label
Rated against independent regulatory sources·Last updated June 7, 2026·How we rate
Verified againstopenFDANIH DailyMedRxClass

Key facts

Active ingredient
Retifanlimab-Dlwr
Form
Injectable
Strength
RETIFANLIMAB-DLWR 500MG/20ML(25MG/ML)
Type
Prescription (Rx)
Brand or generic
Brand-name
Manufacturer
Incyte Corp
FDA application
BLA761334

Storing Zynyz, and how long it keeps

Quoted from this product’s own FDA label. Storage belongs to the product and its device, not to the drug in general — a pen and a tablet of the same medicine are kept completely differently.

  • “of diluted ZYNYZ solution Protect the diluted ZYNYZ solution from light during storage.”
  • “Store diluted ZYNYZ solution: At room temperature [up to 25°C (77°F)] for no more than 8 hours from the time of preparation to the end of the infusion.”

May treat (source: NIH RxClass)

Dosage forms

Injectable

The forms currently marketed in the U.S., per the FDA National Drug Code Directory.

Ways to save

Ask for the generic

Same active ingredient, far cheaper. Is there a generic? →

Request a 90-day supply

Bulk fills usually lower the per-dose price vs monthly refills.

Use copay cards

Manufacturer copay cards & patient-assistance programs — especially for brand drugs.

Compare alternatives

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Frequently asked questions

What does Zynyz treat?
Zynyz (Retifanlimab-Dlwr) may be used to treat merkel cell carcinoma, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
Is there a coupon or discount for Zynyz?
pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Zynyz. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
Who makes Zynyz?
Zynyz is marketed by Incyte Corp. You can see Incyte Corp's full profile, rating, and other products on pharmaranks.
Is Zynyz a brand-name or generic drug?
Zynyz is a brand-name product with the active ingredient Retifanlimab-Dlwr.
Is Zynyz available over the counter?
No. Zynyz is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
What forms does Zynyz come in?
Zynyz is currently marketed as injectable, per the FDA's National Drug Code Directory.
Is Zynyz FDA-registered?
Zynyz is on record with the U.S. FDA under application number BLA761334. You can verify this on its official FDA label.

Information is sourced from public FDA regulatory data. Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.

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