Drugs / Niacin
last change Jun 2026 re-read 9 days ago

Niacin

Small molecule

Developed for
hyperlipidemia · coronary artery disorder · hyperlipoproteinemia · atherosclerosis · hyperlipidemia, combined, 2 · myocardial ischemia · HIV infectious disease · coronary atherosclerosis
+36 more · metabolic syndrome X · peripheral arterial disease · type 2 diabetes mellitus · carotid artery disorder · hypertriglyceridemia · myocardial infarction · obesity disorder · arterial occlusion · familial hypercholesterolemia · hypoalphalipoproteinemia · intermittent vascular claudication · stroke disorder · Alzheimer disease · aortic valve stenosis · bladder transitional cell carcinoma · cardiomyopathy · congestive heart failure · end stage renal failure · hyperphosphatemia · hypolipoproteinemia · IDH-wildtype glioblastoma · inborn errors of metabolism · intracranial arteriosclerosis · ischemic stroke · metabolic disease · NAFLD1 · persian gulf syndrome · psychotic disorder · rheumatoid arthritis · sickle cell disease · systolic heart failure · traumatic brain injury · tuberculosis · chronic kidney disease · metabolic dysfunction-associated steatohepatitis · sexual disorder
Investigated by
Merck Sharp & Dohme LLC · National Heart, Lung, and Blood Institute (NHLBI) · Kos Pharmaceuticals · Abbott · National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) · National Institute of Allergy and Infectious Diseases (NIAID)
+75 more · University of Pennsylvania · University of Washington · Baylor College of Medicine · Ludwig-Maximilians - University of Munich · Mayo Clinic · McGill University Health Centre/Research Institute of the McGill University Health Centre · United States Department of Defense · University of Oxford · AHS Cancer Control Alberta · Acura Pharmaceuticals Inc. · Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections · Aegerion Pharmaceuticals, Inc. · Al-Azhar University · Alzheimer's Association · Antengene Therapeutics Limited · Aragon Health Sciences Institute · Assiut University · Axio Research. LLC · Buck Institute for Research on Aging · CIHR Canadian HIV Trials Network · Cedars-Sinai Medical Center · Daiichi Sankyo · Daniel A. Siniawski · Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) · Foundation Research, Florida · General Clinical Research Center (GCRC) · George Thanassoulis · GlaxoSmithKline · Hannover Medical School · Heart and Stroke Foundation of Ontario · Henry Ford Health System · Hoskinson Health and Wellness Clinic · Hospital Miguel Servet · In His Image · Indiana University · Institut Investigacio Sanitaria Pere Virgili · Jewish General Hospital · Johns Hopkins University · KRL Hospital, Islamabad · Karyopharm Therapeutics Inc · King Pharmaceuticals is now a wholly owned subsidiary of Pfizer · Laval University · Legacy Community Health Center · Merck KGaA, Darmstadt, Germany · Monash University · NYU Langone Health · National Institute on Aging (NIA) · National Institutes of Health (NIH) · North Texas Veterans Healthcare System · Nova Scotia Health Authority · Peking University People's Hospital · Pfizer · Phoenix VA Health Care System · Quebec Heart Institute · Severna Park Health and Wellness Center · Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders · Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University · Sydney Local Health District · The Dana Foundation · The Sage Colleges · Tom Baker Cancer Centre · University at Albany · University of Aarhus · University of Calgary · University of Campinas, Brazil · University of Hawaii · University of Leipzig · University of Sao Paulo · University of South Dakota · University of Sydney · University of Wyoming · Upsher-Smith Laboratories · Washington University School of Medicine · Women's College Hospital · all 81 on the full record

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansions (2) US (FDA) NIASPAN TITRATION STARTER PACK — 1999-09-13 – 2003-01-31 fda.gov ↗
Approved US (FDA) WAMPOCAP — 1957-07-24 fda.gov ↗

Trials 95 · started per year

today
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PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 05 trials · 1 met primary
Phase 0 NCT06175403 Jan 2024 → May 2027 expected — Mayo Clinic Recruiting No outcome recorded
Phase 0 NCT06242535 Jul 2023 → May 2024 cognitive disorder, depressive disorder, hyperlipidemia, hypertensive disorder +1 Hoskinson Health and Wellness Clinic Completed No outcome recorded
Phase 0 NCT03867500 Nov 2018 → Dec 2021 obesity disorder, type 2 diabetes mellitus Mayo Clinic Completed No outcome recorded
Phase 0 NCT02109614 May 2014 → Jan 2017 aortic valve stenosis George Thanassoulis Withdrawn No outcome recorded
Phase 0 NCT00957359 Feb 2009 → Sep 2018 cancer NYU Langone Health Completed Met primary
Phase 19 trials · 1 missed
Phase 1 NCT07119996 Aug 2025 → Feb 2026 overdue bladder transitional cell carcinoma Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University Recruiting No outcome recorded
Phase 1 NCT04281420 Apr 2020 → Oct 2023 non-Hodgkin lymphoma Antengene Therapeutics Limited Terminated No outcome recorded Stop: Business
Phase 1 NCT02702492 Jun 2016 → Jan 2021 cancer, non-Hodgkin lymphoma Karyopharm Therapeutics Inc Terminated No outcome recorded Stop: Business
Phase 1 NCT01583647 Jun → Dec 2012 familial hypercholesterolemia Merck Sharp & Dohme LLC Terminated No outcome recorded
Phase 1 NCT01071291 Feb → Aug 2010 hyperlipidemia Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT01012219 Nov 2009 → Mar 2010 hyperlipidemia, combined, 2, hyperlipoproteinemia Merck Sharp & Dohme LLC Completed Missed primary
Phase 1 NCT01104519 Mar → Jul 2008 hyperlipidemia Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT00769132 Aug → Oct 2007 hyperlipoproteinemia Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT00618995 Aug → Dec 2007 type 2 diabetes mellitus Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1/23 trials
Phase 1/2 NCT06582706 Dec 2024 → Dec 2026 expected Alzheimer disease Indiana University Recruiting No outcome recorded
Phase 1/2 NCT04677049 Mar 2021 → Dec 2027 expected IDH-wildtype glioblastoma AHS Cancer Control Alberta Active not recruiting No outcome recorded
Phase 1/2 NCT01237041 Jul 2011 → Oct 2017 isolated short stature, obesity disorder Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Terminated No outcome recorded
Phase 217 trials · 3 missed
Phase 2 NCT07004725 May 2025 → Jan 2027 expected rheumatoid arthritis Peking University People's Hospital Not yet recruiting No outcome recorded
Phase 2 NCT05709353 Sep 2023 → May 2026 alcohol dependence, post-traumatic stress disorder University of Sydney Unknown No outcome recorded
Phase 2 NCT04703361 Feb → Sep 2021 systolic heart failure University of Aarhus Completed Mixed
Phase 2 NCT01426438 Nov 2011 → Oct 2013 HIV infectious disease Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections Completed Missed primary
Phase 2 NCT02018965 Nov 2011 → Jun 2017 HIV infectious disease McGill University Health Centre/Research Institute of the McGill University Health Centre Completed No outcome recorded
Phase 2 NCT01221402 Oct 2010 → Oct 2014 coronary atherosclerosis North Texas Veterans Healthcare System Completed Missed primary
Phase 2 NCT01672710 Apr 2010 → Aug 2015 persian gulf syndrome University at Albany Completed No outcome recorded
Phase 2 NCT01030406 Jan → Feb 2010 opioid abuse Acura Pharmaceuticals Inc. Completed No outcome recorded
Phase 2 NCT00804843 Apr 2009 → Oct 2010 atherosclerosis Merck Sharp & Dohme LLC Completed Missed primary
Phase 2 NCT00796887 Apr 2009 → Aug 2012 ischemic stroke Henry Ford Health System Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT06406140 Mar 2024 → Jan 2026 overdue end stage renal failure Al-Azhar University Enrolling by invitation No outcome recorded
Phase 332 trials · 6 met primary · 3 missed
Phase 3 NCT05958277 Jun 2021 → Jan 2023 traumatic brain injury KRL Hospital, Islamabad Completed No outcome recorded
Phase 3 NCT01414166 Sep 2011 → Feb 2013 hyperlipidemia Merck Sharp & Dohme LLC Terminated No outcome recorded
Phase 3 NCT01335997 May 2011 → Jan 2012 hyperlipidemia, combined, 2, hyperlipoproteinemia Merck Sharp & Dohme LLC Terminated No outcome recorded Stop: Business
Phase 3 NCT01274559 Mar 2011 → Feb 2013 hyperlipidemia, combined, 2, hyperlipoproteinemia Merck Sharp & Dohme LLC Terminated No outcome recorded
Phase 3 NCT01294683 Feb 2011 → Jan 2012 hyperlipidemia, hyperlipoproteinemia Merck Sharp & Dohme LLC Terminated No outcome recorded
Phase 3 NCT00961636 Oct 2009 → Jan 2011 hyperlipidemia Merck Sharp & Dohme LLC Completed Met primary
Phase 3 NCT01720095 Oct 2009 → Dec 2014 psychotic disorder Nova Scotia Health Authority Completed No outcome recorded
Phase 3 NCT00664287 Sep 2008 → Nov 2009 hyperlipidemia Merck Sharp & Dohme LLC Withdrawn No outcome recorded
Phase 3 NCT00630877 Feb → Jun 2008 hyperlipidemia Abbott Completed No outcome recorded
Phase 3 NCT00626392 Feb → Apr 2008 hyperlipidemia Abbott Completed Met primary
Phase 418 trials · 1 missed
Phase 4 NCT07592897 Jun → Nov 2026 expected — University of Sao Paulo Not yet recruiting No outcome recorded
Phase 4 NCT03163576 Jun 2017 → Jun 2019 hyperphosphatemia Assiut University Unknown No outcome recorded
Phase 4 NCT01942291 Mar → Dec 2012 hypoalphalipoproteinemia University of Campinas, Brazil Completed No outcome recorded
Phase 4 NCT01321034 Oct 2011 → Aug 2012 hyperlipoproteinemia Aragon Health Sciences Institute Completed No outcome recorded
Phase 4 NCT01308203 Oct 2011 → Jan 2013 coronary artery disorder, hyperlipidemia Daniel A. Siniawski Terminated No outcome recorded
Phase 4 NCT01239992 Jun 2011 → Jan 2013 hyperlipoproteinemia, metabolic syndrome X Ludwig-Maximilians - University of Munich Terminated No outcome recorded
Phase 4 NCT02153879 Feb 2009 → Dec 2011 hyperlipidemia, type 2 diabetes mellitus Institut Investigacio Sanitaria Pere Virgili Completed No outcome recorded
Phase 4 NCT01122355 Feb 2009 → Jan 2010 metabolic disease Yonsei University Completed No outcome recorded
Phase 4 NCT00286234 Oct 2007 → Aug 2008 hypertriglyceridemia, metabolic syndrome X University of South Dakota Completed No outcome recorded
Phase 4 NCT00346970 Jul 2006 → Jul 2007 metabolic syndrome X Hannover Medical School Completed No outcome recorded
Phase not applicable10 trials · 2 met primary · 1 missed
— NCT02003638 Mar 2012 → Jan 2013 carotid artery disorder, coronary artery disorder, peripheral arterial disease University of Pennsylvania Completed No outcome recorded
— NCT01474486 Apr 2010 → Feb 2016 cardiomyopathy, congestive heart failure Phoenix VA Health Care System Completed No outcome recorded
— NCT00986986 Nov 2007 → Apr 2010 HIV infectious disease, hyperlipidemia University of Hawaii Completed Missed primary
— NCT00953667 Jun 2007 → Feb 2011 — University of Pennsylvania Completed No outcome recorded
— NCT00458055 Nov 2006 → Sep 2007 coronary atherosclerosis, hypoalphalipoproteinemia, inborn errors of metabolism McGill University Health Centre/Research Institute of the McGill University Health Centre Completed No outcome recorded
— NCT00262964 Oct 2004 → Dec 2008 NAFLD1 Washington University School of Medicine Completed No outcome recorded
— NCT00232531 Sep 2004 → Feb 2009 atherosclerosis University of Oxford Unknown Met primary
— NCT00246376 Jan 2004 → Sep 2009 HIV infectious disease, atherosclerosis, heart disorder, hyperlipidemia +1 Baylor College of Medicine Completed Met primary
— NCT00000483 Jun 1981 → Mar 1985 coronary artery disorder, myocardial infarction, myocardial ischemia National Heart, Lung, and Blood Institute (NHLBI) Completed No outcome recorded
— NCT00046267 ? → Dec 2006 HIV infectious disease, diabetes mellitus, hyperlipoproteinemia, hypertriglyceridemia National Institute of Allergy and Infectious Diseases (NIAID) Completed No outcome recorded
Comparator or background therapy26 trials
Phase 1 NCT01809301 Comparator Mar → May 2013 — Cortria Corporation Completed No outcome recorded
Phase 1 NCT01984073 Comparator Dec 2012 → Dec 2019 hyperlipidemia University of Pennsylvania Completed No outcome recorded
Phase 1 NCT00608699 Background Dec 2007 → Apr 2008 hyperlipidemia GlaxoSmithKline Completed No outcome recorded
Phase 1 NCT00652431 Comparator May → Jul 2007 hyperlipidemia Organon and Co Completed No outcome recorded
Phase 2 NCT06444243 Comparator Sep 2024 → Jul 2025 alcohol dependence, anxiety, depressive disorder University of Sydney Unknown No outcome recorded

News releases announcing trial results or a regulatory action · 5

DateIssuerRelease
2025-04-30 Zydus Lifesciences Limited Regulatory Zydus receives final approval from USFDA for Niacin Extended-Release Tablets zyduslife.com ↗
Zydus Lifesciences Limited (including its subsidiaries/ affiliates, hereafter referred to as “Zydus”) has received final approval from the United States Food and Drug Administration (USFDA) to manufacture Niacin Extended-Release Tablets USP, 500 mg, 750 mg, and 1,000 mg (Niaspan ® Extended-Release Tablets, 500 mg, 750 mg, and 1,000 mg).
2017-06-19 Lannett Company, Inc. Regulatory Lannett Receives Approval For Niacin Extended-Release Tablets USP, 500 Mg And 1000 Mg investorroom.com ↗
today announced that it received approval from the U.S. Food and Drug Administration (FDA) of its Abbreviated New Drug Application (ANDA) for Niacin Extended-Release Tablets USP, 500 mg and 1000 mg
2013-03-09 Merck Sharp & Dohme LLC Results Results from HPS2-THRIVE Study of TREDAPTIVE™ (extended-release niacin/laropiprant) Presented at American College of Cardiology Scientific Sessions merck.com ↗
Adding TREDAPTIVE to statin therapy did not significantly further reduce the risk of major vascular events compared to statin therapy in patients at high risk of cardiovascular events.
2013-01-11 Merck Sharp & Dohme LLC Regulatory Merck Provides Update on Next Steps for TREDAPTIVE™ (extended-release niacin/laropiprant) merck.com ↗
Merck (NYSE: MRK), known as MSD outside of the United States and Canada, today announced the company is taking steps to suspend the availability of TREDAPTIVE ™ (extended-release niacin/laropiprant) tablets worldwide.
2012-12-20 Merck Sharp & Dohme LLC Results Merck Announces HPS2-THRIVE Study of TREDAPTIVE™ (Extended-Release Niacin/Laropiprant) Did Not Achieve Primary Endpoint merck.com ↗
In the study, adding the combination of extended-release niacin and laropiprant to statin therapy did not significantly further reduce the risk of the combination of coronary deaths, non-fatal heart attacks, strokes or revascularizations compared to statin therapy.

Evidence & citations 15 cited values

Every value below carries the sentence it was read from. 130 sources stand behind the page.

FieldValueCited text
Known as Niacin “OBJECTIVE: To evaluate the efficacy and safety of two dose strengths of oxycodone hydrochloride (HCl)/niacin tablets * for the treatment of moderate-to-severe postoperative...” PMID 21231862 ↗ Jan 2011
110

“ERN/LRPT combination tablets (each containing 1 g of extended release niacin and 20 mg of laropiprant), orally, one tablet once per day for 4 weeks, then 2 tablets once per day...” NCT01414166 ↗

“Each capsule is a combination of vitamins and natural products: Vitamin B1 (100mg); Vitamin B6 (50mg); Niacin (200mg); Alpha Lipoic Acid (150mg); and Piperine (15mg).” NCT06242535 ↗

“Psilocybin and niacin will be administered in identically appearing opaque, size 0 gelatin capsules with approximately 180ml of water. The niacin dose will be 250mg” NCT00957359 ↗

“An ER formulation of niacin (Niaspan - Kos) will be available in Canada in 2005 and has been shown to be efficacious and safe.” NCT00150722 ↗

“Vitamin B-50 one tablet daily: provides an additional 50 mg of thiamin, riboflavin, niacin, pantothenic acid and pyridoxine” NCT01474486 ↗

“niacin 500 mg po for 4 weeks, niacin 1000 mg po for 4 weeks, niacin 1500 mg po for 8 weeks” NCT01122355 ↗

“8x Oxycodone/Niacin 5/30mg tablets All arms taken with a 48 hour washout between doses” NCT01030406 ↗

“between extended-release niacin and ezetimibe/simvastatin and their major metabolites” PMID 21120461 ↗ Dec 2010

“Flexible Doses of Niacin (NIASPAN) as an Adjunct to Antipsychotic Medication” NCT01720095 ↗

“Each tablet contained Extended Release (ER) Niacin 1g and laropiprant 20 mg” NCT01583647 ↗

Show 100 more sources

Known as B3 vitamin “B3 vitamin, Niacin” NCT04703361 ↗
Known as ER Niacin “One tablet of ER niacin/laropiprant (1g); advancing to ER niacin/laropiprant (2g) at Week 4 for the remainder of the study 36 Weeks.” NCT00485758 ↗
3

“Each 1-g tablet contains 1 g of ER niacin and 20 mg of laropiprant.” NCT01274559 ↗

“ER niacin 1 g/laropiprant 20 mg oral tablet taken once daily” NCT01335997 ↗

“Drug: ER Niacin” NCT00376584 ↗

Known as ERN “Laropiprant (LRPT), a PGD(2) receptor (DP1) antagonist that mitigates niacin-induced flushing, has been combined with extended-release niacin (ERN) into a fixed-dose tablet...” PMID 21291812 ↗ May 2009
5

“addition of extended-release niacin (ERN) to simvastatin in participants with established cardiovascular disease, low high-density lipoprotein cholesterol, and high...” PMID 23881958 ↗ Jul 2013

“Prescription omega-3 acid ethyl esters (P-OM3) and extended release niacin (ERN) both have beneficial effects on plasma lipids and lipoproteins.” PMID 25932792 ↗ Apr 2015

“Extended-release niacin (ERN) improves multiple lipid parameters but is underused owing to niacin-induced flushing (NIF).” PMID 22683042 ↗ Jun 2012

“1 g of extended release niacin (ERN) and 20 mg of laropiprant, highly selective PGD2-receptor (DP1) antagonist” NCT01126073 ↗

“ER niacin/laropiprant (ERN/LRPT)” NCT01335997 ↗

Known as Extended Release Niacin “A Worldwide, Multicenter, Double-Blind, Randomized, Parallel, Study to Evaluate the Efficacy of MK0524 to Improve Tolerability of Extended Release Niacin” NCT00376584 ↗
2

“The patients were randomly assigned to receive extended-release niacin (target dose, 2000 mg per day) or ezetimibe (10 mg per day).” PMID 19915217 ↗ Nov 2009

“Drug: Extended Release Niacin” NCT06582706 ↗

Known as NER “Niacin extended-release (NER) is safe and effective for treatment of dyslipidemia.” PMID 19331435 ↗ 2009
Known as niacin ER “The OCEANS study (Open-label evaluation of the safety and efficacy of a Combination of niacin ER and simvAstatin in patieNts with dySlipidemia; ClinicalTrials.gov identifier:...” PMID 18422390 ↗ 2008
1

“Drug: Niacin ER” NCT02702492 ↗

Known as niacinamide “Niacin (91% niacinamide, 9% niacin) - 100 mg” NCT07592897 ↗
Known as Nialor “The first form is called Nialor, and is sometimes called immediate-release niacin because it is absorbed into the bloodstream quickly.” NCT01984073 ↗
Known as Niaspan “The purpose of this study is to evaluate the effectiveness of first-line treatment using Niaspan (an extended release version of niacin) and statins versus other drugs that...” NCT00079638 ↗
15

“This study will evaluate whether chronic dosing with Niaspan™ increases reverse cholesterol transport, high-density lipoprotein cholesterol (HDL-C) levels, and fecal excretion...” NCT01071291 ↗

“The second form is called Niaspan, and is sometimes called extended-release niacin because it is a time-released spansule that takes longer to get into the bloodstream.” NCT01984073 ↗

“Both Niaspan and lovastatin (Mevacor®) are approved by the United States Food and Drug Administration (FDA) to treat high cholesterol.” NCT00071266 ↗

“An ER formulation of niacin (Niaspan - Kos) will be available in Canada in 2005 and has been shown to be efficacious and safe.” NCT00150722 ↗

“gradually titrated niacin extended-release (N-ER; given as NIASPAN, trademark of Kos Life Sciences LLC)” PMID 19576324 ↗ Jul 2009

“Flexible Doses of Niacin (NIASPAN) as an Adjunct to Antipsychotic Medication” NCT01720095 ↗

“extended-release niacin (Niaspan)” NCT01221402 ↗

NCT01921010 ↗

NCT00590629 ↗

NCT00687076 ↗

Show 5 more sources

Known as nicotinic acid “Niacin (generic name of nicotinic acid), also known as vitamin B3, is a naturally occurring water-soluble vitamin” NCT06406140 ↗
3

“Niacin/nicotinic acid is obtained principally through diet and can cross the blood brain barrier.” NCT06582706 ↗

“Niacin (nicotinic acid) reduces cardiovascular events in patients with dyslipidemia.” PMID 17392721 ↗ Mar 2007

“both nicotinamide and niacin (nicotinic acid) are forms of vitamin B3 .” NCT03163576 ↗

Known as vitamin B3 “Niacin (generic name of nicotinic acid), also known as vitamin B3, is a naturally occurring water-soluble vitamin” NCT06406140 ↗
3

“Niacin, vitamin B3, has been used as a treatment for dyslipidemia.” NCT04703361 ↗

NCT07119996 ↗

NCT05958277 ↗

Action Inhibit “inhibits lipolysis and lowers circulating FFA concentrations” NCT01237041 ↗
Modality Small molecule “Niacin is a nicotinic acid derivative” NCT01237041 ↗
Route Oral “niacin (ER) tablet, titrating to 2g, po qd. Treatment time will be \~24 weeks” NCT00271817 ↗