Oseltamivir · Tamiflu

What is Oseltamivir?

Oseltamivir is an antiviral prodrug that is converted to an active form and inhibits influenza neuraminidase, blocking release of new viral particles from infected cells. It is studied in influenza.

Summary written with AI from the sources listed at the end of this page.

At a glance

Also known as

Tamiflu

Drug type

Small molecule

Targets

influenza neuraminidase

Mechanism

Inhibitor of influenza neuraminidase

Pathways

viral particle release from host cells

Therapy area

Infectious disease

Developer

Roche

In trials of

BCRX

FDA status

Approved as Tamiflu (December 14, 2000), NDA021246 · FDA label

✅ FDA-approved uses

• Influenza A and B (treatment of acute, uncomplicated illness)
• Influenza A and B (prophylaxis)

From the indications section of the FDA label (version of Dec 15, 2025). Read the full label for the exact wording, limitations and safety information.

🧪 Clinical trials

Trials of the companies BioRadar tracks, from ClinicalTrials.gov, most advanced phase first.

Conditions studied

Influenza

Sources

• FDA label (DailyMed)
• FDA label Tamiflu (2025-12-15), indications
• NCI Thesaurus

Updated Oct 11, 2026.