Drug

Rifampin

As of the edition of 20 October 2026, Rifampin is a small molecule: marketed, first approved in 1968 (ES).

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Marketed; latest approval 2019
Kind
Small molecule
Brand name
Rifadin
First approved
1 June 1968 (ES)
Approvals on record
12 in 6 regions
Holder of the most recent approval
Sanofi; 4 holders in all
Registered trials
344, 19 stopped early
Disease areas
Infections; Lungs and airways; Immune system; Cancer; Urinary and reproductive; Blood and lymph

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated251841
Phase 12281911312
Phase 2372553
Phase 3271671
Phase 4271542
All trials344

Who has held its approvals

CompanyRoleYears
SanofiApplicant and Lead sponsor of trials1975 to now
Bausch HealthAcquired holder1977 to now
NovartisLater holder and Lead sponsor of trials2007 to now
Oxford PharmaceuticalsAcquired holder2016 to now