Drugs / Colesevelam
last change Jul 2026 re-read 9 days ago

Colesevelam

Other / unclassified

Developed for
type 2 diabetes mellitus · hyperlipidemia · gastroesophageal reflux disease · diarrheal disease · familial hypercholesterolemia · irritable bowel syndrome · morbid obesity · prediabetes syndrome
+17 more · atherosclerosis · bile acid malabsorption, primary, 1 · carotid artery disorder · chronic diarrheal disease · congenital cardiovascular shunt · coronary artery disorder · disorder of metabolite absorption and transport · familial hyperlipidemia · hyperglycemia · hyperlipoproteinemia · liver disorder · metabolic dysfunction-associated steatohepatitis · type 1 diabetes mellitus · Crohn disease · malabsorption syndrome · poisoning · sitosterolemia
Investigated by
Daiichi Sankyo · Ironwood Pharmaceuticals, Inc. · Hvidovre University Hospital · Mayo Clinic · National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) · University Hospital, Gentofte, Copenhagen
+32 more · University of Copenhagen · Genzyme, a Sanofi Company · Abbott · Bausch Health Americas, Inc. · Carine Beysen · Congressionally Directed Medical Research Programs · Danish Cancer Society · Filip Krag Knop · Foundation for Liver Research · GE Healthcare · LMC Diabetes & Endocrinology Ltd. · Lars Kristian Munck · Louisville VA Medical Center · Memorial Sloan Kettering Cancer Center · National Center for Research Resources (NCRR) · National Heart, Lung, and Blood Institute (NHLBI) · Pfizer · Pierre Fabre Laboratories · Pierre and Marie Curie University · Puma Biotechnology, Inc. · Radiant Research · Seattle Institute for Biomedical and Clinical Research · Spanish Breast Cancer Research Group · St. Boniface Hospital · University of Aarhus · University of California, San Diego · University of Colorado, Denver · University of Louisville · University of Rhode Island · University of Washington · Upsher-Smith Laboratories · VA Puget Sound Health Care System

Regulatory milestones approvals, filings & regulatory actions · 9 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed type 2 diabetes mellitus 1 milestone
Filed US (FDA) WelChol type 2 diabetes mellitus 2007-01-02

“filed a supplemental New Drug Application (sNDA) with the U.S. Food and Drug Administration (FDA) for WelChol®” daiichisankyo.com ↗

Approved Indication not stated 3 milestones
Label expansions (6) US (FDA) WELCHOL — 2006-09-06 – 2021-10-20 fda.gov ↗
Approved EU (EMA) Cholestagel — 2004-03-09 europa.eu ↗
Approved US (FDA) WELCHOL — 2000-05-26 fda.gov ↗

Trials 47

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT06925997 May 2024 → Dec 2027 expected glucose metabolism disease Hvidovre University Hospital Recruiting No outcome recorded
Phase 12 trials
Phase 1 NCT03856970 Mar → Jun 2019 — Ironwood Pharmaceuticals, Inc. Completed No outcome recorded
Phase 1 NCT00692250 Sep → Dec 2007 — Genzyme, a Sanofi Company Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT06197763 Jun 2024 → Nov 2025 congenital cardiovascular shunt St. Boniface Hospital Unknown No outcome recorded
Phase 28 trials · 1 met primary · 1 missed
Phase 2 NCT07592858 Jul 2026 → Apr 2029 expected hyperlipidemia University of Rhode Island Not yet recruiting No outcome recorded
Phase 2 NCT05252988 Aug 2022 → Oct 2024 overdue HER2 positive breast carcinoma, female breast carcinoma, hormone receptor-positive breast cancer Spanish Breast Cancer Research Group Active not recruiting No outcome recorded
Phase 2 NCT03767257 Dec 2018 → Nov 2024 diarrheal disease, plasma cell myeloma Memorial Sloan Kettering Cancer Center Completed No outcome recorded
Phase 2 NCT02637557 Mar 2016 → Apr 2017 gastroesophageal reflux disease Ironwood Pharmaceuticals, Inc. Completed Met primary
Phase 2 NCT02030925 Feb → Dec 2014 gastroesophageal reflux disease Ironwood Pharmaceuticals, Inc. Completed No outcome recorded
Phase 2 NCT01066364 Feb 2010 → Feb 2012 metabolic dysfunction-associated steatohepatitis University of California, San Diego Completed No outcome recorded
Phase 2 NCT00911612 Jan → May 2009 diarrheal disease, irritable bowel syndrome Mayo Clinic Completed Mixed
Phase 2 NCT00147745 Jun 2005 → Jan 2008 type 2 diabetes mellitus Daiichi Sankyo Completed Missed primary
Phase 2/31 trial · 1 missed
Phase 2/3 NCT00756171 Sep 2008 → May 2009 liver disorder Foundation for Liver Research Completed Missed primary
Phase 311 trials · 6 met primary · 2 missed
Phase 3 NCT03561883 Sep 2018 → Jul 2020 gastroesophageal reflux disease Ironwood Pharmaceuticals, Inc. Completed Missed primary
Phase 3 NCT03561090 Jun 2018 → Oct 2020 gastroesophageal reflux disease Ironwood Pharmaceuticals, Inc. Terminated Missed primary
Phase 3 NCT00990184 Sep 2009 → Oct 2010 prediabetes syndrome Seattle Institute for Biomedical and Clinical Research Completed No outcome recorded
Phase 3 NCT00789750 Apr 2009 → Jul 2012 type 2 diabetes mellitus Daiichi Sankyo Completed Met primary
Phase 3 NCT00789737 Jan 2009 → Dec 2011 type 2 diabetes mellitus Daiichi Sankyo Completed Met primary
Phase 3 NCT00570739 Nov 2007 → Apr 2009 hyperlipidemia, prediabetes syndrome, type 2 diabetes mellitus Daiichi Sankyo Completed Met primary
Phase 3 NCT00484419 May 2007 → Apr 2008 hyperlipidemia, type 2 diabetes mellitus Daiichi Sankyo Completed No outcome recorded
Phase 3 NCT00151762 Dec 2004 → Jul 2007 type 2 diabetes mellitus Daiichi Sankyo Completed No outcome recorded
Phase 3 NCT00147719 Jun 2004 → Jul 2006 type 2 diabetes mellitus Daiichi Sankyo Completed Met primary
Phase 3 NCT00147758 Jun 2004 → Aug 2006 type 2 diabetes mellitus Daiichi Sankyo Completed Met primary
Phase 418 trials · 1 met primary · 1 missed
Phase 4 NCT03876717 Oct 2018 → Jul 2021 bile acid malabsorption, primary, 1, chronic diarrheal disease Lars Kristian Munck Completed Met primary
Phase 4 NCT02952963 Oct 2016 → Dec 2017 morbid obesity Hvidovre University Hospital Completed No outcome recorded
Phase 4 NCT02876484 Jun 2016 → Jun 2017 morbid obesity Hvidovre University Hospital Completed No outcome recorded
Phase 4 NCT03009916 Mar 2016 → Aug 2017 disorder of metabolite absorption and transport University Hospital, Gentofte, Copenhagen Completed No outcome recorded
Phase 4 NCT02682680 Jan 2016 → May 2017 type 2 diabetes mellitus LMC Diabetes & Endocrinology Ltd. Completed No outcome recorded
Phase 4 NCT02111603 Apr → Aug 2014 irritable bowel syndrome Mayo Clinic Completed No outcome recorded
Phase 4 NCT02050074 Jan → Sep 2014 type 2 diabetes mellitus University Hospital, Gentofte, Copenhagen Completed No outcome recorded
Phase 4 NCT01258075 Feb 2011 → Nov 2019 type 2 diabetes mellitus Daiichi Sankyo Completed Missed primary
Phase 4 NCT01239004 Nov 2010 → Aug 2011 hyperglycemia, hyperlipidemia Radiant Research Completed No outcome recorded
Phase 4 NCT00951899 Aug 2009 → Jul 2012 type 2 diabetes mellitus Mayo Clinic Completed No outcome recorded
Phase not applicable5 trials · 1 met primary · 1 missed
— NCT04003181 Sep 2017 → May 2021 colon adenocarcinoma, diarrheal disease University of Aarhus Completed No outcome recorded
— NCT01666223 Nov 2012 → Jun 2013 obesity disorder, type 2 diabetes mellitus University Hospital, Gentofte, Copenhagen Completed No outcome recorded
— NCT01656057 Jul 2012 → Oct 2013 — Filip Krag Knop Completed Met primary
— NCT00938405 Jul → Dec 2009 hyperlipidemia, type 1 diabetes mellitus University of Colorado, Denver Completed No outcome recorded
— NCT00596427 Nov 2007 → Apr 2009 type 2 diabetes mellitus Carine Beysen Completed Missed primary
Comparator or background therapy13 trials
Phase 1/2 NCT07226440 Comparator Mar 2026 → Dec 2028 expected occupational disorder, poisoning University of California, San Francisco Recruiting No outcome recorded
Phase 2 NCT03270085 Comparator Dec 2017 → May 2019 chronic diarrheal disease, irritable bowel syndrome, malabsorption syndrome Mayo Clinic Completed No outcome recorded
Phase 2 NCT02619812 Comparator Apr → Dec 2016 plasma cell myeloma Mayo Clinic Terminated No outcome recorded Stop: Enrollment
Phase 2 NCT00690937 Comparator Feb → Dec 2008 hyperlipidemia Genzyme, a Sanofi Company Completed No outcome recorded
Phase 2 NCT00361153 Comparator May → Oct 2006 type 2 diabetes mellitus Daiichi Sankyo Completed No outcome recorded

News releases announcing trial results or a regulatory action · 14

DateIssuerRelease
2020-09-29 Ironwood Pharmaceuticals, Inc. Results Ironwood to Discontinue IW-3718 Development Program Following Results from Planned Efficacy Assessment ironwoodpharma.com ↗
Following the assessment from an independent data monitoring committee, Ironwood unblinded the data and confirmed that IW-3718-302 did not meet the criteria, including the study’s primary endpoint of achieving a statistically significant improvement in heartburn severity.
2020-08-06 Ironwood Pharmaceuticals, Inc. Regulatory Ironwood Pharmaceuticals Reports Second Quarter 2020 Results; Delivered GAAP Net Income of $25 Million and Adjusted EBITDA of $33 Million ironwoodpharma.com ↗
FDA indicated that long-term safety study for IW-3718 is not required for an NDA submission
2020-02-26 Ironwood Pharmaceuticals, Inc. Results Ironwood Pharmaceuticals Announces Publication of Positive IW-3718 Phase IIb Data in Gastroenterology ironwoodpharma.com ↗
Additionally, more than 50 percent of patients treated with IW-3718 1500 mg BID plus a PPI reported a clinically meaningful reduction in heartburn severity.
2019-10-09 Zydus Lifesciences Limited Regulatory Zydus receives final approval from the USFDA for Colesevelam Hydrochloride Tablets zyduslife.com ↗
Zydus Cadila has received the final approval from the USFDA to market Colesevelam Hydrochloride Tablets, (US RLD - Welchol), 625 mg.
2018-07-17 Glenmark Pharmaceuticals Ltd. India Regulatory Glenmark Pharmaceuticals receives ANDA approval for Colesevelam Hydrochloride for Oral Suspension, 1.875 grams/Packet and 3.75 grams/Packet glenmarkpharma.com ↗
Glenmark Pharmaceuticals receives ANDA approval for Colesevelam Hydrochloride for Oral Suspension, 1.875 grams/Packet and 3.75 grams/Packet
2018-06-05 Ironwood Pharmaceuticals, Inc. Results Ironwood Pharmaceuticals Presents IW-3718 Data Showing Improvements in Heartburn and Regurgitation Symptoms in Patients with Persistent GERD at Digestive Disease Week® 2018 ironwoodpharma.com ↗
The data demonstrated that, compared to placebo, IW-3718 1500 mg plus a once a day proton pump inhibitor (PPI) improved symptoms of heartburn severity in the overall population of GERD patients in the trial.
2018-05-17 Impax Laboratories, LLC Regulatory Amneal Announces FDA Approval and Launch of Generic Welchol® (Colesevelam HCl) Tablets, 625 mg amneal.com ↗
Amneal Pharmaceuticals, Inc. (NYSE: AMRX), a specialty pharmaceutical company, today announced it has received final U.S. Food and Drug Administration (FDA) approval on its Abbreviated New Drug Application for a generic version of Welchol ® (colesevelam HCI) tablets, 625 mg.
2017-08-03 Ironwood Pharmaceuticals, Inc. Results Ironwood Pharmaceuticals Provides Second Quarter 2017 Investor Update ironwoodpharma.com ↗
In the study, IW-3718 1500 mg plus a PPI also showed a 55.4% reduction in regurgitation frequency compared to 37.9% in patients treated with a PPI alone.
2017-07-20 Ironwood Pharmaceuticals, Inc. Results Ironwood Pharmaceuticals Reports Positive Top-line Results from IW-3718 Phase IIb Trial in Uncontrolled Gastroesophageal Reflux Disease ironwoodpharma.com ↗
The trial met its primary endpoint, indicating that twice-daily, oral dosing of IW-3718 1500 mg plus a proton pump inhibitor (PPI) significantly reduced heartburn severity in patients with uncontrolled GERD compared to patients treated with a PPI alone.
2015-10-19 Ironwood Pharmaceuticals, Inc. Results Ironwood Highlights Refractory GERD and Constipation Research at the American College of Gastroenterology 2015 Annual Scientific Meeting ironwoodpharma.com ↗
The oral presentations include data from a Phase IIa study of IW-3718 indicating that this investigational drug improved heartburn and certain other symptoms associated with refractory gastroesophageal reflux disease (GERD).
2015-02-04 Ironwood Pharmaceuticals, Inc. Results Ironwood Reports Positive Top-Line Data from Exploratory Phase IIa Trial Of IW-3718 in Refractory Gastroesophageal Reflux Disease ironwoodpharma.com ↗
Ironwood Pharmaceuticals, Inc. (NASDAQ: IRWD) announced today that top-line data from an exploratory Phase IIa clinical study indicate IW-3718 improved heartburn and certain other symptoms associated with refractory gastroesophageal reflux disease (GERD).
2010-01-15 Impax Laboratories, LLC Regulatory Impax Laboratories Confirms Patent Challenge Relating to WELCHOL(R) 625 mg Tablets amneal.com ↗
Impax filed its Abbreviated New Drug Application ("ANDA") containing a paragraph IV certification for a generic version of WELCHOL(R) with the U.S. Food & Drug Administration ("FDA").

All press releases naming this drug 25 releases

DateIssuerRelease

Evidence & citations 14 cited values

Every value below carries the sentence it was read from. 65 sources stand behind the page.

FieldValueCited text
Known as colesevelam “Colesevelam has shown efficacy in adults with type 2 diabetes mellitus (T2DM) in combination with metformin-, sulfonylurea-, or insulin-based therapy, lowering hemoglobin A1c...” PMID 24356792 ↗ Dec 2013
48

“This study tested the LDL cholesterol-lowering agent colesevelam HCl (colesevelam) as a potential novel treatment for improving glycemic control in patients with type 2...” PMID 18458145 ↗ May 2008

“Cholestyramine or Colesevelam lifelong.” NCT04003181 ↗

NCT05252988 ↗

NCT06925997 ↗

NCT00993824 ↗

NCT01656057 ↗

NCT00596427 ↗

NCT00938405 ↗

NCT00911612 ↗

NCT00715273 ↗

Show 38 more sources

Known as cholestagel “Colesevelam hydrochloride film-coated tablets (Cholestagel)” NCT00692250 ↗
2

“"cholestagel®" (Colesevelam)” NCT03009916 ↗

“Colesevelam Cholestagel” NCT00690937 ↗

Known as Colesevelam (as hydrochloride) ChEMBL registry synonym — accepted as the source's own label CHEMBL6068331 ↗
Known as colesevelam HCl “Effects of Metformin Hydrochloride (HCl) in Combination With Colesevelam HCl, Compared to Metformin HCl Alone, in Patients With Type 2 Diabetes Mellitus and the Effects of...” NCT00570739 ↗
5

“This study tested the LDL cholesterol-lowering agent colesevelam HCl (colesevelam) as a potential novel treatment for improving glycemic control in patients with type 2...” PMID 18458145 ↗ May 2008

“3.75 grams of colesevelam HCl (Welchol) at evening meal for 12 weeks, and then crossover to placebo at evening meal for 12 weeks.” NCT00993824 ↗

“colesevelam HCl tablets and fenofibrate tablets” NCT00754039 ↗

“Drug: Colesevelam HCl” NCT00484419 ↗

NCT01122108 ↗

Known as Colesevelam hydrochloride “Subjects had type 2 diabetes mellitus that was not adequately controlled (glycated hemoglobin level, 7.5%-9.5%, inclusive) receiving insulin therapy alone or in combination...” PMID 18663165 ↗ Jul 2008
7

“Colesevelam hydrochloride therapy in patients with type 2 diabetes mellitus treated with metformin: glucose and lipid effects.” PMID 18852398 ↗ Oct 2008

“Colesevelam hydrochloride to treat hypercholesterolemia and improve glycemia in prediabetes: a randomized, prospective study.” PMID 20634176 ↗ Jul 2010

“Colesevelam hydrochloride film-coated tablets (Cholestagel)” NCT00692250 ↗

NCT00185107 ↗

NCT00147758 ↗

NCT00361153 ↗

NCT00147719 ↗

Known as Colesevelam hydrochloride film-coated tablets “Drug: Colesevelam hydrochloride film-coated tablets” NCT00655265 ↗
Known as GT-31-104HB ChEMBL registry synonym — accepted as the source's own label CHEMBL6068331 ↗
Known as IW-3718 ClinicalTrials.gov intervention name — accepted as the source's own label NCT02030925 ↗
4

NCT03561883 ↗

NCT03561090 ↗

NCT02637557 ↗

NCT03856970 ↗

Known as NSC-760126 ChEMBL registry synonym — accepted as the source's own label CHEMBL6068331 ↗
Known as Welchol “Colesevelam (Welchol) is approved by the Food and Drug Administration (FDA) for the treatment of high blood cholesterol levels and to treat type 2 diabetes however, Colesevelam...” NCT03270085 ↗
3

“This study is designed to assess the potential mechanism of action by which WelChol® (colesevelam) may improve blood glucose control in patients with type 2 diabetes” NCT00147745 ↗

NCT00755352 ↗

NCT00249938 ↗

Known as WELCHOL (colesevelam hydrochloride) “WELCHOL (colesevelam hydrochloride)” NCT00938405 ↗
Action Inhibit “colesevelam, a medication that inhibits fat absorption” NCT00715273 ↗
Modality Other / unclassified “is a non-absorbed polymer” NCT00596427 ↗
Route Oral “Colesevelam is an oral, non-absorbable bile-acid sequestrant” NCT00756171 ↗