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Last reviewed 2026-06-09 · How we verify

Xifaxan — Competitive Intelligence Brief

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

Xifaxan (rifaximin) competitive landscape: 2 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Rifamycin Antibacterial [EPC]. Area: Gastroenterology.

marketed Rifamycin Antibacterial [EPC] Nuclear receptor subfamily 1 group I member 2, Bacterial DNA-directed RNA polymerase Gastroenterology Live · refreshed every 30 min

Target snapshot

Xifaxan (rifaximin) — Bausch Health.

Comparator set (2 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
Xifaxan TARGET	rifaximin	Bausch Health	marketed	Rifamycin Antibacterial [EPC]	Nuclear receptor subfamily 1 group I member 2, Bacterial DNA-directed RNA polymerase
RIFAMPIN	RIFAMPIN		marketed	Rifamycin Antibacterial [EPC]	DNA-dependent RNA polymerase	1971-01-01
Rifadin	Rifampicin	Sanofi Aventis Us	marketed	Rifamycin Antibacterial [EPC]	Solute carrier organic anion transporter family member 1A2, ATP-binding cassette sub-family G member 2, Alpha-synuclein	1971-01-01

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 (Rifamycin Antibacterial [EPC] class)

· 1 drug in this class
Bausch Health · 1 drug in this class
Sanofi Aventis Us · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Xifaxan — Competitive Intelligence Brief. https://druglandscape.com/ci/rifaximin. Accessed 2026-06-09.

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