What development phase is Rengasil in?

Rengasil is FDA-approved (marketed).

What is the generic name of Rengasil?

PIRPROFEN is the generic (nonproprietary) name of Rengasil.

Last reviewed 2026-04-20 · How we verify

Rengasil (PIRPROFEN)

FDA-approved withdrawn Small molecule Quality 15/100

At a glance

Generic name	PIRPROFEN
Drug class	pirprofen
Target	Prostaglandin G/H synthase 1, Prostaglandin G/H synthase 2
Modality	Small molecule
Therapeutic area	Immunology
Phase	FDA-approved
First approval	1987

Approved indications

No approved indications tracked.

Common side effects

No common side effects on file.

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

Source	Used for
FDA label	Mechanism, indications, dosing, boxed warnings, drug interactions

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

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