Who are A3309's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Welchol, Colestid, Questran Light, colesevelam HCl, "cholestagel®" (Colesevelam), Cholestyramine Powder.

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 2026-05-14 · How we verify

A3309 — Competitive Intelligence Brief

A3309 (A3309) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Bile acid sequestrant. Area: Gastroenterology / Metabolic disease.

phase 2 Bile acid sequestrant Bile acids / FXR / TGR5 Gastroenterology / Metabolic disease Small molecule Live · refreshed every 30 min

Target snapshot

A3309 (A3309) — Albireo. A3309 is a bile acid sequestrant that binds bile acids in the intestine to increase their fecal excretion and modulate metabolic pathways.

Comparator set (6 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
A3309 TARGET	A3309	Albireo	phase 2	Bile acid sequestrant	Bile acids / FXR / TGR5
Welchol	COLESEVELAM	Cosette	marketed	Bile Acid Sequestrant		2000-01-01
Colestid	Colestipol	Pfizer	marketed	Bile Acid Sequestrant		1977-01-01
Questran Light	CHOLESTYRAMINE	Bristol Myers	marketed	Bile Acid Sequestrant [EPC]		1973-01-01
colesevelam HCl	colesevelam HCl	HealthPartners Institute	marketed	Bile acid sequestrant	Bile acids
"cholestagel®" (Colesevelam)	"cholestagel®" (Colesevelam)	University Hospital, Gentofte, Copenhagen	marketed	Bile acid sequestrant	Bile acids
Cholestyramine Powder	Cholestyramine Powder	Centre Hospitalier Universitaire de Nice	marketed	Bile acid sequestrant	Bile acids

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)

No upcoming patent expiries for this set.

Sponsor landscape (Bile acid sequestrant class)

Albireo · 1 drug in this class
Centre Hospitalier Universitaire de Nice · 1 drug in this class
Genzyme, a Sanofi Company · 1 drug in this class
HealthPartners Institute · 1 drug in this class
Hospices Civils de Lyon · 1 drug in this class
Taejoon Pharmaceutical Co., Ltd. · 1 drug in this class
University Hospital, Gentofte, Copenhagen · 1 drug in this class

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Cite this brief

Drug Landscape (2026). A3309 — Competitive Intelligence Brief. https://druglandscape.com/ci/a3309. Accessed 2026-05-14.

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