Who are Rifaximine's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Xifaxan.

How often does this brief refresh?

Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-06-10 · How we verify

Rifaximine — Competitive Intelligence Brief

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Rifaximine (Rifaximine) competitive landscape: 1 comparator, recent regulatory actions, upcoming PDUFA, patent timeline. Area: Infectious Disease.

phase 2 Nuclear receptor subfamily 1 group I member 2, Bacterial DNA-directed RNA polymerase Infectious Disease Small molecule Live · refreshed every 30 min

Target snapshot

Rifaximine (Rifaximine) — Ain Shams University.

Comparator set (1 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target	Approval / PDUFA
Rifaximine TARGET	Rifaximine	Ain Shams University	phase 2		Nuclear receptor subfamily 1 group I member 2, Bacterial DNA-directed RNA polymerase
Xifaxan	rifaximin	Bausch Health	marketed	Rifamycin Antibacterial [EPC]	Nuclear receptor subfamily 1 group I member 2, Bacterial DNA-directed RNA polymerase

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

2027-09-02 — Xifaxan · 8193196 · Compound · US
2029-02-26 — Xifaxan · 11564912 · Method of Use · US
2029-02-26 — Xifaxan · 10456384 · Method of Use · US
2029-02-26 — Xifaxan · 11779571 · Method of Use · US
2029-02-26 — Xifaxan · 10765667 · Method of Use · US
2029-07-18 — Xifaxan · 8309569 · Method of Use · US
2029-07-24 — Xifaxan · 10314828 · Method of Use · US
2029-07-24 — Xifaxan · 10709694 · Method of Use · US
2029-07-24 — Xifaxan · 10335397 · Method of Use · US
2029-07-24 — Xifaxan · 8829017 · Method of Use · US
2029-07-24 — Xifaxan · 9421195 · Method of Use · US
2029-07-24 — Xifaxan · 8946252 · Method of Use · US
2029-07-24 — Xifaxan · 7928115 · Method of Use · US
2029-07-24 — Xifaxan · 9629828 · Method of Use · US
2029-10-02 — Xifaxan · 8969398 · Method of Use · US
2029-10-02 — Xifaxan · 8642573 · Method of Use · US

Sponsor landscape

No sponsor landscape data.

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Cite this brief

Drug Landscape (2026). Rifaximine — Competitive Intelligence Brief. https://druglandscape.com/ci/rifaximine. Accessed 2026-06-10.

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