Drugs / Trazodone
last change Jun 2026 re-read 2 minutes ago

Trazodone

Small molecule targets HTR2A, HTR2C, SLC6A4 via inhibition

Developed for
insomnia · major depressive disorder · depressive disorder · obstructive sleep apnea syndrome · Alzheimer disease · diabetic polyneuropathy · post-traumatic stress disorder · alcohol dependence
+15 more · amyotrophic lateral sclerosis · chronic pain syndrome · delirium · fibromyalgia · hypoactive sexual desire disorder · obesity disorder · post-selective serotonin reuptake inhibitor sexual dysfunction · postpartum depression · schizophrenia · sleep apnea syndrome · spinal cord injury · temporomandibular joint dysfunction syndrome · central sleep apnea syndrome · cognitive impairment with or without cerebellar ataxia · sleep disorder
Investigated by
Angelini Pharma · Chiltern International Inc. · Cross Research S.A. · Labopharm Inc. · Lee's Pharmaceutical Limited · Patient-Centered Outcomes Research Institute
+35 more · S1 Biopharma, Inc. · University of Montreal Hospital Centre (CHUM) · Algorithme Pharma Inc · Beitou Armed Forces Hospital, Taipei, Taiwan · Brasilia University Hospital · Brigham and Women's Hospital · California Pacific Medical Center Research Institute · Centre Hospitalier St Anne · China Medical University Hospital · Erich Seifritz · Federal University of Paraná · Hannover Medical School · John D. Dingell VA Medical Center · NHS Lothian · National Institute of Mental Health (NIMH) · National Institute on Aging (NIA) · National Institute on Alcohol Abuse and Alcoholism (NIAAA) · Rhode Island Hospital · SocraTec R&D GmbH · Tongji University · United States Department of Defense · University College, London · University of Arizona · University of California, San Diego · University of Edinburgh · University of Granada · University of Illinois at Chicago · University of Pennsylvania · University of Pittsburgh · University of Southern California · University of Virginia · University of Warwick · University of Washington · Verinder Sharma · eResearch Technology, Inc.

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansions (2) US (FDA) DESYREL 1986-09-02 – 1988-11-07 fda.gov
Approved US (FDA) DESYREL 1981-12-24 fda.gov

Trials 33 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT02699138 Oct 2021 → Dec 2022 obstructive sleep apnea syndrome, post-traumatic stress disorder University of California, San Diego Withdrawn No outcome recorded
Phase 18 trials
Phase 1 NCT05299398 Apr → Aug 2025 postpartum depression Verinder Sharma Withdrawn No outcome recorded
Phase 1 NCT06773767 May → Aug 2024 Angelini Pharma Completed No outcome recorded
Phase 1 NCT05136521 Feb → Jul 2020 Angelini Pharma Completed No outcome recorded
Phase 1 NCT02785614 May → Nov 2017 depressive disorder Lee's Pharmaceutical Limited Completed No outcome recorded
Phase 1 NCT02785601 May → Nov 2017 depressive disorder Lee's Pharmaceutical Limited Completed No outcome recorded
Phase 1 NCT03516630 Mar → May 2017 Angelini Pharma Completed No outcome recorded
Phase 1 NCT00839072 Feb 2009 Labopharm Inc. Completed No outcome recorded
Phase 1 NCT00270959 Jun 2006 → Sep 2010 post-traumatic stress disorder University of Washington Completed No outcome recorded
Phase 1/22 trials
Phase 1/2 NCT06286189 Jan 2024 → Jan 2026 overdue obstructive sleep apnea syndrome Brigham and Women's Hospital Recruiting No outcome recorded
Phase 1/2 NCT01857596 Apr 2013 → Oct 2014 hypoactive sexual desire disorder S1 Biopharma, Inc. Completed No outcome recorded
Phase 27 trials
Phase 2 NCT06983080 Nov 2025 → Jul 2027 expected insomnia University of Montreal Hospital Centre (CHUM) Recruiting No outcome recorded
Phase 2 NCT06517797 Oct 2025 → Jun 2027 expected obesity disorder S1 Biopharma, Inc. Not yet recruiting No outcome recorded
Phase 2 NCT07210112 Oct 2025 → Dec 2029 expected major depressive disorder Centre Hospitalier St Anne Not yet recruiting No outcome recorded
Phase 2 NCT04082806 Aug 2020 → Apr 2022 major depressive disorder Erich Seifritz Completed No outcome recorded
Phase 2 NCT03749642 Nov 2018 → Jun 2020 diabetic polyneuropathy Angelini Pharma Completed No outcome recorded
Phase 2 NCT03202979 May 2017 → Aug 2018 diabetic polyneuropathy Angelini Pharma Completed No outcome recorded
Phase 2 NCT00027053 Jun 2002 → Jan 2006 alcohol dependence Rhode Island Hospital Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT04302870 Feb 2020 → Dec 2030 expected amyotrophic lateral sclerosis University of Edinburgh Recruiting No outcome recorded
Phase 35 trials
Phase 3 NCT02374567 Jan 2015 → Jun 2017 anxiety disorder, dementia, depressive disorder, schizophrenia +1 Hannover Medical School Terminated No outcome recorded
Phase 3 NCT02086929 Dec 2012 → Apr 2014 major depressive disorder Angelini Pharma Completed No outcome recorded
Phase 3 NCT01142258 Mar 2010 → Apr 2012 Alzheimer disease, insomnia Brasilia University Hospital Completed No outcome recorded
Phase 3 NCT00775203 Jun → Nov 2007 major depressive disorder Labopharm Inc. Completed No outcome recorded
Phase 3 NCT00000179 Alzheimer disease National Institute on Aging (NIA) Completed No outcome recorded
Phase 48 trials
Phase 4 NCT05085808 Mar 2028 → Jul 2029 delirium University of Southern California Withdrawn No outcome recorded
Phase 4 NCT07542756 May 2026 → Jan 2032 expected insomnia University of Pennsylvania Recruiting No outcome recorded
Phase 4 NCT06740188 Jan 2025 → Dec 2026 expected Tongji University Recruiting No outcome recorded
Phase 4 NCT06295562 Nov 2024 → Oct 2025 obstructive sleep apnea syndrome China Medical University Hospital Completed No outcome recorded
Phase 4 NCT04468776 Feb 2022 → Jun 2024 insomnia California Pacific Medical Center Research Institute Completed No outcome recorded
Phase 4 NCT03522207 Oct 2018 → Jan 2020 bruxism, chronic pain syndrome, temporomandibular joint dysfunction syndrome University of Montreal Hospital Centre (CHUM) Terminated No outcome recorded
Phase 4 NCT02922894 Jun 2017 → Dec 2026 expected sleep apnea syndrome, spinal cord injury John D. Dingell VA Medical Center Recruiting No outcome recorded
Phase 4 NCT00791739 Apr 2008 → Jul 2009 fibromyalgia University of Granada Completed No outcome recorded
Phase not applicable1 trial
NCT01097980 Apr 2010 → Jan 2012 post-selective serotonin reuptake inhibitor sexual dysfunction Beitou Armed Forces Hospital, Taipei, Taiwan Completed No outcome recorded
Also used as a comparator or background therapy in 32 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 02 trials
Phase 0 NCT06546358 Comparator Sep 2024 → Sep 2025 overdue postpartum depression London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's Not yet recruiting No outcome recorded
Phase 0 NCT06281756 Comparator Mar 2024 → Nov 2027 expected hypertensive disorder, insomnia Milton S. Hershey Medical Center Recruiting No outcome recorded
Phase 16 trials
Phase 1 NCT02945644 Comparator Feb 2017 → Sep 2020 obstructive sleep apnea syndrome Louis Stokes VA Medical Center Suspended No outcome recorded
Phase 1 NCT01400165 Comparator Jul → Dec 2011 University of Ottawa Unknown No outcome recorded
Phase 1 NCT01347541 Background Jan → Nov 2011 post-traumatic stress disorder University of Washington Terminated No outcome recorded
Phase 1 NCT01121900 Comparator Jun → Jul 2008 Labopharm Inc. Completed No outcome recorded
Phase 1 NCT01121926 Comparator Jan → Mar 2008 Labopharm Inc. Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT05293600 Comparator Jul 2023 → Oct 2026 expected obstructive sleep apnea syndrome Brigham and Women's Hospital Recruiting No outcome recorded
Phase 22 trials
Phase 2 NCT05282550 Comparator Feb 2023 → Jul 2027 expected cognitive impairment with or without cerebellar ataxia, sleep disorder Johns Hopkins University Recruiting No outcome recorded
Phase 2 NCT02458469 Comparator May 2015 → Apr 2019 sleep apnea syndrome, spinal cord injury VA Office of Research and Development Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT01524497 Comparator Nov 2011 → Aug 2013 depressive disorder Lee's Pharmaceutical Limited Completed No outcome recorded
Phase 34 trials
Phase 3 NCT03668041 Comparator Feb 2021 → Mar 2026 insomnia VA Office of Research and Development Completed No outcome recorded
Phase 3 NCT03534284 Comparator Sep 2018 → Oct 2022 end stage renal failure, insomnia University of Washington Completed No outcome recorded
Phase 3 NCT01468038 Comparator Apr → Oct 2008 sleep disorder Targeted Medical Pharma Completed No outcome recorded
Phase 3 NCT00253890 Comparator Oct 2005 → May 2010 opiate dependence Butler Hospital Completed No outcome recorded
Phase 48 trials
Phase 4 NCT07210606 Comparator Oct 2026 → Jun 2030 expected central sleep apnea syndrome VA Office of Research and Development Not yet recruiting No outcome recorded
Phase 4 NCT07136415 Comparator Feb 2026 → Feb 2031 expected insomnia Brigham and Women's Hospital Recruiting No outcome recorded
Phase 4 NCT05209035 Comparator May 2022 → May 2025 overdue cognitive impairment with or without cerebellar ataxia, obstructive sleep apnea syndrome Chinese University of Hong Kong Active not recruiting No outcome recorded
Phase 4 NCT04162743 Comparator Feb 2019 → Mar 2020 cerebral infarction, obstructive sleep apnea syndrome Chang Gung Memorial Hospital Completed No outcome recorded
Phase 4 NCT01662297 Comparator Jul 2012 → Oct 2015 insomnia, mental disorder, substance-related disorder VA Connecticut Healthcare System Terminated No outcome recorded
Phase not applicable8 trials
NCT05125146 Comparator Nov 2021 → May 2025 overdue insomnia Dr. Nazanin Alavi Recruiting No outcome recorded
NCT02655354 Background Oct 2015 → Nov 2019 alcohol-related disorders, brain injury, cognitive impairment with or without cerebellar ataxia, depressive disorder +1 University of Washington Completed No outcome recorded
NCT01943435 Comparator Nov 2013 → Jun 2016 lumbar spinal stenosis Michael Schneider, DC, PhD Completed No outcome recorded
NCT01896349 Background Apr 2013 → Aug 2014 Hospital de Clinicas de Porto Alegre Unknown No outcome recorded
NCT01817907 Comparator Mar 2013 → Apr 2014 obstructive sleep apnea syndrome Brigham and Women's Hospital Completed No outcome recorded

Evidence & citations 28 cited values

Every value below carries the sentence it was read from. 70 sources stand behind the page.

FieldValueCited text
Known as trazodone “Participants assigned to receive the combination therapy may receive one or more of the following medications based on their individual needs: fluoxetine, sertraline,...” NCT01347541
61

“Participants assigned to receive the combination therapy may receive one or more of the following medications based on their individual needs: fluoxetine; sertraline;...” NCT00270959

“Adjunctive antidepressant agents: nortriptyline, duloxetine, sertraline, trazodone, or mirtazapine” NCT01943435

“S1B-509 (proprietary combination of trazodone and bupropion) low dose” NCT06517797

trazodone_Desyrel, Beneficat, Deprax” NCT00817011

“Lorexys is bupropion plus trazodoneNCT01857596

NCT05299398

NCT04162743

NCT00659919

NCT02922894

NCT02118688

NCT00775203

NCT01896349

NCT06983080

NCT01817907

NCT01142258

NCT06295562

NCT05136521

NCT02374567

NCT06546358

NCT02655354

NCT06286189

NCT01348542

NCT00839072

NCT03522207

NCT07210606

NCT04468776

NCT06773767

NCT03749642

NCT04082806

NCT05282550

NCT07136415

NCT06281756

NCT05293600

NCT05209035

NCT02699138

NCT01764867

NCT02458469

NCT00000179

NCT03534284

NCT05125146

NCT01662297

NCT03202979

NCT01524497

NCT01468038

NCT02785601

NCT01400165

NCT07210112

NCT01097980

NCT06740188

NCT02945644

NCT00791739

NCT07542756

NCT04302870

NCT03668041

NCT02086929

NCT05085808

NCT01651442

NCT00027053

NCT03516630

NCT00253890

NCT01121913

Known as AF-1161 ChEMBL registry synonym — accepted as the source's own label CHEMBL621
Known as Beneficat “trazodone_Desyrel, Beneficat, Deprax” NCT00817011
Known as Deprax “trazodone_Desyrel, Beneficat, DepraxNCT00817011
Known as Desyrel “This study is a randomized, double-blind clinical trial comparing trazodone (Desyrel) and placebo among sleep-disturbed, alcohol-dependent individuals shortly after discharge...” NCT00027053
2

“Trazodone (Desyrel) will be given in a crossover order with placebo.” NCT03522207

“trazodone_Desyrel, Beneficat, Deprax” NCT00817011

Known as J10.767K ChEMBL registry synonym — accepted as the source's own label CHEMBL621
Known as Molipaxin ChEMBL registry synonym — accepted as the source's own label CHEMBL621
Known as Molipaxin cr ChEMBL registry synonym — accepted as the source's own label CHEMBL621
Known as NSC-292811 ChEMBL registry synonym — accepted as the source's own label CHEMBL621
Known as Oleptro ChEMBL registry synonym — accepted as the source's own label CHEMBL621
Known as Trazodona ChEMBL registry synonym — accepted as the source's own label CHEMBL621
Known as Trazodone Contramid OAD “The purpose of this study was to demonstrate efficacy, safety and clinical benefit of Trazodone Contramid® OAD (Once A Day) in the treatment of Unipolar Major Depressive Disorder (MDD).” NCT00775203
Known as Trazodone Contramid(R) once-a-day Trazodone Contramid(R) once-a-day (TzCOAD) is a reformulation of trazodone hydrochloride that controls the release of trazodone over 24 hours.” PMID 20581790 2009
Known as Trazodone HCl “Drug: Trazodone HClNCT01121913
2

NCT01121900

NCT01121926

Known as trazodone hydrochloride “two prototype controlled-release (CR) trazodone hydrochloride (HCl) 300 mg tablets versus two reference products: Trittico® AC (2 x 150 mg CR tablets) and Desyrel® (3 x 100 mg...” NCT01121913
5

“The main objective is to compare the pharmacokinetics in single dose, and effect of food on the trazodone hydrochloride pharmacokinetics prolonged-release tablets.” NCT02785601

“Trazodone Contramid(R) once-a-day (TzCOAD) is a reformulation of trazodone hydrochloride that controls the release of trazodone over 24 hours.” PMID 20581790 2009

“This study evaluated the effect of 3 doses of a trazodone hydrochloride 6% oral drops solution.” PMID 32488885 Jun 2020

“Drug: Trazodone HydrochlorideNCT06286189

NCT02785614

Known as Trazodone Hydrochloride (HCl) Trazodone Hydrochloride (HCl) Extended-Release Tablets” NCT00775203
Known as trazodone hydrochloride prolonged-release tablet “T group: the subjects will be provided trazodone hydrochloride prolonged-release tablet 150mg at about8:00am each day.” NCT02785614
Known as trazodone hydrochloride tablet “R group: The subjects will receive 50mg trazodone hydrochloride tablet 50mg for 3 times after receiving standard light breakfast at 6:00am, standard meal at 14:00 and 22:00.” NCT02785614
Known as Trialodine ChEMBL registry synonym — accepted as the source's own label CHEMBL621
Known as Trittico ChEMBL registry synonym — accepted as the source's own label CHEMBL621
Known as TRZ “Trazodone (TRZ) is a compound with a multi-modal mechanism of action, being a serotonin-2 antagonist/reuptake inhibitor developed and approved for the treatment of depression...” PMID 32936427 Nov 2020
Known as TzCOAD “Trazodone Contramid(R) once-a-day (TzCOAD) is a reformulation of trazodone hydrochloride that controls the release of trazodone over 24 hours.” PMID 20581790 2009
Action Inhibit “The 5-HT2 antagonist, trazodone, may be beneficial in the” PMID 18978492 Mar 2009
3

“Serotonin 2c (5-HT2c) receptor antagonist” CHEMBL621

“Serotonin 2a (5-HT2a) receptor antagonist” CHEMBL621

“Serotonin transporter inhibitor” CHEMBL621

Modality Small molecule CHEMBL621
Route Oral “single oral dose of 300 mg” NCT01121913