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

Ramelteon

Developed for
insomnia · delirium · sleep disorder, initiating and maintaining sleep · bipolar disorder · obstructive sleep apnea syndrome · chronic obstructive pulmonary disease · major depressive disorder · schizophrenia
+23 more · asthma · attention deficit-hyperactivity disorder 8 · bipolar depression · bipolar I disorder · cannabis dependence · circadian rhythm sleep disorder · circadian rhythm sleep disorder, delayed sleep phase type · circadian rhythm sleep disorder, jet lag type · cirrhosis of liver · COVID-19 · lung disorder · nicotine dependence · Parkinson disease · REM sleep behavior disorder · schizoaffective disorder · seasonal affective disorder · gastroesophageal reflux disease · Huntington disease · Lewy body dementia · migraine disorder · migraine with aura · migraine without aura · neuropathy, painful
Investigated by
Takeda · Brigham and Women's Hospital · Johns Hopkins University · Lehigh Valley Hospital · National Institute on Drug Abuse (NIDA) · National Institutes of Health (NIH)
+28 more · Northwestern University · Southern California Institute for Research and Education · Takeda Pharmaceuticals North America, Inc. · University of Pennsylvania · University of Texas Southwestern Medical Center · All India Institute of Medical Sciences, Bhubaneswar · Associação Fundo de Incentivo à Pesquisa · Beijing CTSmed Co. Ltd · Centennial Medical Center · Emory University · Food and Drug Administration (FDA) · Kessler Foundation · Massachusetts General Hospital · Nanjing Chia-tai Tianqing Pharmaceutical · National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) · National Institute on Aging (NIA) · Overseas Pharmaceuticals, Ltd. · Rhode Island Hospital · Stanford University · Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan · Tri-Service General Hospital (TSGH) · US Department of Veterans Affairs · University of Alabama at Birmingham · University of Sao Paulo · University of Washington · Utrecht Institute for Pharmaceutical Sciences · Virginia Commonwealth University · Yoyogi Sleep Disorder Clinic, Foundation of Sleep and Health Science

Regulatory milestones approvals, filings & regulatory actions · 2 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansion US (FDA) ROZEREM — 2008-10-20 fda.gov ↗
Approved US (FDA) ROZEREM — 2005-07-22 fda.gov ↗

Trials 62 · started per year

today
US approved 2005
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200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 14 trials · 1 missed
Phase 1 NCT06890715 Jun → Jul 2024 insomnia Overseas Pharmaceuticals, Ltd. Completed No outcome recorded
Phase 1 NCT00914862 Nov 2009 → Mar 2011 insomnia Takeda Completed No outcome recorded
Phase 1 NCT00893269 Oct 2008 → Oct 2010 cannabis dependence Johns Hopkins University Completed No outcome recorded
Phase 1 NCT00319215 Mar → Jul 2006 insomnia Utrecht Institute for Pharmaceutical Sciences Completed Missed primary
Phase 212 trials · 1 met primary · 3 missed
Phase 2 NCT04470297 Sep → Nov 2020 COVID-19, lung disorder Associação Fundo de Incentivo à Pesquisa Unknown No outcome recorded
Phase 2 NCT02324153 Mar 2017 → Jun 2019 delirium Johns Hopkins University Completed Missed primary
Phase 2 NCT02560324 Sep 2015 → Aug 2018 nicotine dependence University of Pennsylvania Completed No outcome recorded
Phase 2 NCT00593736 Oct 2007 → May 2008 circadian rhythm sleep disorder, delayed sleep phase type Takeda Completed Missed primary
Phase 2 NCT00755495 Jul 2006 → Mar 2007 sleep disorder, initiating and maintaining sleep Takeda Completed No outcome recorded
Phase 2 NCT00325728 Mar 2006 → Aug 2007 insomnia Takeda Completed No outcome recorded
Phase 2 NCT00755508 Nov 2005 → Sep 2006 sleep disorder, initiating and maintaining sleep Takeda Completed No outcome recorded
Phase 2 NCT00671190 Mar → May 2005 sleep disorder Takeda Completed Met primary
Phase 2 NCT00672802 Aug 2003 → Mar 2004 chronic obstructive pulmonary disease Takeda Completed No outcome recorded
Phase 2 NCT00672061 Jul → Dec 2003 obstructive sleep apnea syndrome Takeda Completed Missed primary
Phase 319 trials · 5 met primary · 4 missed
Phase 3 NCT06512363 Aug 2024 → Dec 2026 expected insomnia Nanjing Chia-tai Tianqing Pharmaceutical Not yet recruiting No outcome recorded
Phase 3 NCT01685151 Sep 2012 → Nov 2015 bipolar disorder Takeda Withdrawn No outcome recorded Stop: Business
Phase 3 NCT01677182 Aug 2012 → Aug 2014 bipolar disorder Takeda Terminated Missed primary Stop: Business
Phase 3 NCT01467713 Dec 2011 → Mar 2015 bipolar I disorder Takeda Terminated Missed primary Stop: Business
Phase 3 NCT01467700 Dec 2011 → Mar 2015 bipolar depression Takeda Terminated Missed primary Stop: Business
Phase 3 NCT00869167 Mar 2008 → Jun 2009 asthma, insomnia Northwestern University Terminated No outcome recorded
Phase 3 NCT00756002 Aug 2007 → Mar 2008 sleep disorder, initiating and maintaining sleep Takeda Completed Met primary
Phase 3 NCT00642694 May 2007 → May 2010 insomnia, major depressive disorder University of Texas Southwestern Medical Center Terminated Missed primary Stop: Enrollment
Phase 3 NCT01048242 Jul 2006 → Mar 2009 insomnia, obstructive sleep apnea syndrome University of Pennsylvania Completed No outcome recorded
Phase 3 NCT00237497 Jul 2005 → Oct 2006 — Takeda Completed No outcome recorded
Phase 424 trials · 4 missed
Phase 4 NCT07598734 Jun 2026 → Jun 2028 expected — University of Washington Not yet recruiting No outcome recorded
Phase 4 NCT07382843 Mar 2024 → Dec 2025 circadian rhythm sleep disorder Tri-Service General Hospital (TSGH) Completed No outcome recorded
Phase 4 NCT05069428 Mar 2023 → Mar 2025 overdue delirium Centennial Medical Center Recruiting No outcome recorded
Phase 4 NCT05414864 May → Jul 2022 hypertensive disorder, insomnia University of Sao Paulo Terminated No outcome recorded Stop: Business
Phase 4 NCT03165695 Dec 2019 delirium Brigham and Women's Hospital Withdrawn No outcome recorded Stop: Business
Phase 4 NCT03931070 May 2019 → Feb 2022 delirium Rhode Island Hospital Completed No outcome recorded
Phase 4 NCT03461042 Feb 2018 → Jul 2019 insomnia Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan Completed No outcome recorded
Phase 4 NCT02669082 May 2017 → Jan 2018 insomnia, major depressive disorder Takeda Completed No outcome recorded
Phase 4 NCT03075657 May 2017 → Jun 2018 schizophrenia All India Institute of Medical Sciences, Bhubaneswar Completed No outcome recorded
Phase 4 NCT03091738 Feb 2017 → Oct 2018 cirrhosis of liver Virginia Commonwealth University Completed No outcome recorded
Phase not applicable3 trials
— NCT00811746 Dec 2008 → Sep 2010 obstructive sleep apnea syndrome Southern California Institute for Research and Education Completed No outcome recorded
— NCT00745030 Jun 2008 → Dec 2009 REM sleep behavior disorder, parkinsonian disorder Northwestern University Terminated No outcome recorded Stop: Enrollment
— NCT00595075 Dec 2007 → Nov 2008 — Brigham and Women's Hospital Completed No outcome recorded
Comparator or background therapy15 trials
Phase 2 NCT00539110 Comparator Dec 2009 → Dec 2012 — Shriners Hospitals for Children Completed No outcome recorded
Phase 2 NCT00739024 Comparator Apr 2008 → Apr 2009 migraine with aura, migraine without aura Swedish Medical Center Terminated No outcome recorded Stop: Enrollment
Phase 3 NCT01128582 Comparator Mar 2009 → Dec 2011 gastroesophageal reflux disease, insomnia Southern Arizona VA Health Care System Unknown No outcome recorded
Phase 3 NCT00585208 Comparator Dec 2007 → Sep 2010 bipolar disorder, insomnia Lindner Center of HOPE Terminated No outcome recorded
Phase 4 NCT03265951 Comparator Jan 2018 → Sep 2019 insomnia State University of New York at Buffalo Withdrawn No outcome recorded

News releases announcing trial results or a regulatory action · 1

DateIssuerRelease
2019-07-24 Zydus Lifesciences Limited Regulatory Zydus has launched Ramelteon Tablets in the US upon receiving final approval from the USFDA zyduslife.com ↗
Zydus Cadila announced the Day – 1 launch of Ramelteon Tablets (US RLD – Rozerem Tablets), 8 mg upon receiving the final approval from the USFDA.

Evidence & citations 9 cited values

Every value below carries the sentence it was read from. 79 sources stand behind the page.

FieldValueCited text
Known as Ramelteon “Ramelteon (ROZEREM) in the Treatment of Sleep Disturbances Associated With Parkinson's Disease” NCT00462254 ↗
75

“ROZEREMTM (ramelteon/TAK-375) a selective MT1/MT2 melatonin receptor agonist in humans” NCT01180855 ↗

“Rozerem (Ramelteon) 8 mg taken orally 30 minutes before a split-night PSG” NCT00811746 ↗

“Ramelteon” NCT01048242 ↗

NCT00756002 ↗

NCT05069428 ↗

NCT00337272 ↗

NCT06512363 ↗

NCT00492011 ↗

NCT00755495 ↗

NCT00914862 ↗

Show 65 more sources

Known as Ramelteon SL “Ramelteon SL 0.1 mg, tablets, sublingual, once daily, every night at bedtime for up to 9 months.” NCT01467713 ↗
Known as Remeron “medication called ramelteon (Brand Name: Remeron)” NCT02560324 ↗
Known as Rozerem “using Ramelteon Modified-Release Tablets (strength: 8 mg/tablet) developed by Overseas Pharmaceuticals, Ltd. as the test product and Ramelteon Tablets (trade name: Rozerem®,...” NCT06890715 ↗
8

“Ramelteon is under global development by Takeda Pharmaceuticals as a nonscheduled sleep agent for the treatment of difficulty with sleep initiation, and is marketed under the...” NCT00756002 ↗

“Ramelteon (Rozerem; Takeda Pharmaceutical Company Limited, Osaka, Japan) is an orally active, highly selective melatonin MT(1)/MT(2) receptor agonist.” PMID 19228178 ↗ 2009

“Ramelteon (ROZEREM) in the Treatment of Sleep Disturbances Associated With Parkinson's Disease” NCT00462254 ↗

“ROZEREMTM (ramelteon/TAK-375) a selective MT1/MT2 melatonin receptor agonist in humans” NCT01180855 ↗

“Rozerem” NCT00915135 ↗

NCT00811746 ↗

NCT00745030 ↗

NCT01048242 ↗

Known as Rozerem (Ramelteon) “Rozerem (Ramelteon)” NCT00642694 ↗
Known as RozeremR “Ramelteon (RozeremR)” NCT05414864 ↗
Known as TAK-375 “Ramelteon (TAK-375), approved by the Food and Drug Administration for the treatment of insomnia with sleep onset abnormalities” NCT03265951 ↗
2

“ROZEREMTM (ramelteon/TAK-375) a selective MT1/MT2 melatonin receptor agonist in humans” NCT01180855 ↗

“TAK-375” NCT00915135 ↗

Action Activate “ramelteon, a selective MT1/MT2 melatonin-receptor agonist used for insomnia treatment.” PMID 19294955 ↗ Mar 2009
Route Oral “Ramelteon 8 mg, tablets, orally, once daily for up to 28 nights.” NCT00237497 ↗