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Prescription medicine

Fosnetupitant and palonosetron Brand names: Akynzeo

Fosnetupitant and palonosetron (Akynzeo) is a prescription medicine with an FDA approval on record since 2018. No generic is listed in FDA's NDC Directory.

  • No generic listed

Check it at the source: fosnetupitant and palonosetron labels on DailyMed; the NDA 210493 record on Drugs@FDA; every fosnetupitant and palonosetron label on DailyMed.

Highlights of the record

no current FDA label; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

The label in openFDA carries no indications section.

Forms and strengths

  • 260 mg/20ml / 0.28 mg/20ml

Injection.

On the market

Earliest approval on file
April 19, 2018 Akynzeo, Helsinn Hlthcare; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
No generic approved
Labelers listed (NDC)
1 of which 0 under generic applications, 1 under brand applications, repackagers included
Last listed patent
June 2, 2037 Akynzeo injection; not a generic launch date

Supply and safety

Pharmacy cost (NADAC)
Not in the survey
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
No recall recorded
FAERS reports
1,137 through July 30, 2026

Is there a generic for fosnetupitant and palonosetron (Akynzeo)?

No generic fosnetupitant and palonosetron is approved (Drugs@FDA, October 8, 2026).

The Orange Book lists 12 patents for Akynzeo injection: the compound patent runs to May 23, 2032, and the last listed entry to June 2, 2037. A patent or exclusivity date is not the date a generic goes on sale: court cases and settlements move it either way.

  • 2018 earliest approval on file
  • 2037 last listed patent

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What do FAERS reports show for fosnetupitant and palonosetron?

The FDA Adverse Event Reporting System holds 1,137 reports that list fosnetupitant and palonosetron among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 159 are coded as a death and 593 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

Reports received each year

The most reported reactions

  • Nausea124
  • Diarrhoea87
  • Fatigue86
  • Neutropenia85
  • Vomiting72
  • Dyspnoea70
  • Death (an outcome recorded in the report)67
  • Off Label Use (a use or a product term, not a reaction)54

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Other serotonin-3 receptor antagonists
the pharmacologic class, with prices and generics
Fosnetupitant and palonosetron side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other