XIFAXAN

Peak

rifaximin

NDAORALTABLET
Approved
May 2004
Lifecycle
Peak
Competitive Pressure
8/100
Clinical Trials
20

Mechanism of Action

Pharmacologic Class:

Rifamycin Antibacterial

Clinical Trials (5)

NCT07285785Phase 4Not Yet Recruiting

Rifaximin 200 mg Plus Oral Rehydration vs Oral Rehydration Alone in Children With Acute Diarrhea

Started Dec 2025
NCT06718686Phase 1/2Recruiting

Rifaximin SSD in Dementia Trial

Started Dec 2024
NCT06312683Phase 4Recruiting

Rifaximin for the Secondary Prevention of Recurrent Pouchitis

Started Jul 2024
NCT05297448Phase 3Active Not Recruiting

Evaluation of Rifaximin SSD for Delaying Encephalopathy Decompensation in Patients With Cirrhosis

Started Aug 2022
NCT05453916Phase 1/2Withdrawn

Comparing the Efficacy of Nitazoxanide Versus Rifaximin in Adult Patients With Irritable Bowel Syndrome Without Constipation

Started Jul 2022

Loss of Exclusivity

LOE Date
Oct 2, 2029
43 months away
Patent Expiry
Oct 2, 2029

Patent Records (5)

Patent #ExpiryTypeUse Code
9271968
Feb 27, 2026Expired
Product
8741904
Feb 27, 2026Expired
SubstanceProduct
U-2847
10703763
Feb 27, 2026Expired
U-2848
8518949
Feb 27, 2026Expired
Product
8193196
Sep 2, 2027
SubstanceProduct