Drugs / Buspirone
last change Aug 2026 re-read 2 minutes ago

Buspirone

Small molecule targets HTR1A via activation

Developed for
anxiety · anxiety disorder · cannabis dependence · major depressive disorder · autism spectrum disorder · depressive disorder · Parkinson disease · spinal cord injury
+23 more · autism · dysautonomia · dyspepsia · hypoactive sexual desire disorder · traumatic brain injury · attention deficit-hyperactivity disorder · central sleep apnea syndrome · cocaine dependence · esophageal disorder · focal epilepsy · generalized anxiety disorder · heroin dependence · movement disorder · opiate dependence · post-traumatic stress disorder · quadriplegia · schizophrenia · substance withdrawal syndrome · substance-related disorder · systemic sclerosis · gastroparesis · schizoaffective disorder · sleep apnea syndrome
Investigated by
Massachusetts General Hospital · National Institute on Drug Abuse (NIDA) · Medical University of South Carolina · National Institute of Neurological Disorders and Stroke (NINDS) · BrainCells Inc. · Chugani, Diane C.
+42 more · Emotional Brain NY Inc. · National Institute of Mental Health (NIMH) · Par Pharmaceutical, Inc. · Phoenix International Life Sciences, Inc. · Teva Pharmaceuticals USA · The Cleveland Clinic · The University of Texas Health Science Center, Houston · University of Rochester · Valenta Pharm JSC · Acacia Pharma Ltd · Assistance Publique - Hôpitaux de Paris · Centre for Addiction and Mental Health · Dr. Nazanin Alavi · Hannover Medical School · Indiana University · Isfahan University of Medical Sciences · Laiko General Hospital, Athens · Massachusetts Institute of Technology · Michael J. Fox Foundation for Parkinson's Research · National Cancer Institute (NCI) · National Institutes of Health (NIH) · Neuropsychiatric Research Institute, Fargo, North Dakota · North Dakota State University · Online PsychoTherapy Clinic · Oregon Health and Science University · Pfizer · Portland VA Medical Center · Seoul National University Hospital · Si Tianmei · Spaulding Rehabilitation Hospital · Sun Qing · Universidade de Passo Fundo · Universitaire Ziekenhuizen KU Leuven · University Hospitals Cleveland Medical Center · University of California, Los Angeles · University of Louisville · University of Manitoba · University of Maryland, Baltimore · University of Oxford · University of Washington · VA Office of Research and Development · William Stoops

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansions (2) US (FDA) BUSPAR 1996-04-22 – 2001-07-19 fda.gov
Approved US (FDA) BUSPAR 1986-09-29 fda.gov

Trials 54 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 02 trials
Phase 0 NCT04105114 Sep 2019 → Aug 2025 overdue spinal cord injury University of Louisville Active not recruiting No outcome recorded
Phase 0 NCT02363478 Dec 2014 → Sep 2015 systemic sclerosis Laiko General Hospital, Athens Completed No outcome recorded
Phase 16 trials
Phase 1 NCT02589340 Jan 2016 → Feb 2021 Parkinson disease, movement disorder Oregon Health and Science University Terminated No outcome recorded
Phase 1 NCT00270959 Jun 2006 → Sep 2010 post-traumatic stress disorder University of Washington Completed No outcome recorded
Phase 1 NCT00840606 Dec 2001 Teva Pharmaceuticals USA Completed No outcome recorded
Phase 1 NCT00840398 Dec 2001 Teva Pharmaceuticals USA Completed No outcome recorded
Phase 1 NCT00652730 Jul → Sep 1998 Par Pharmaceutical, Inc. Completed No outcome recorded
Phase 1 NCT00653419 Jun → Sep 1998 Par Pharmaceutical, Inc. Completed No outcome recorded
Phase 1/24 trials
Phase 1/2 NCT05377619 Jan → Mar 2022 dyspepsia Universidade de Passo Fundo Completed No outcome recorded
Phase 1/2 NCT02313194 Jul 2013 → Jun 2026 overdue quadriplegia, spinal cord injury University of California, Los Angeles Active not recruiting No outcome recorded
Phase 1/2 NCT01699828 Oct 2012 → Jun 2014 nicotine dependence Centre for Addiction and Mental Health Completed No outcome recorded
Phase 1/2 NCT00166621 Mar 2004 → Aug 2005 autism Chugani, Diane C. Completed No outcome recorded
Phase 216 trials
Phase 2 NCT03432065 Dec 2024 → Aug 2025 anxiety, autism spectrum disorder Massachusetts General Hospital Withdrawn No outcome recorded
Phase 2 NCT05511909 Mar 2023 → Jan 2027 expected anxiety, opiate dependence, substance withdrawal syndrome University of Maryland, Baltimore Recruiting No outcome recorded
Phase 2 NCT05357547 May 2022 → Apr 2023 atypical depressive disorder University of Oxford Completed No outcome recorded
Phase 2 NCT04458324 Dec 2020 → Jul 2026 overdue spinal cord injury Spaulding Rehabilitation Hospital Active not recruiting No outcome recorded
Phase 2 NCT02803749 Oct 2016 → Jan 2019 Parkinson disease, anxiety University of Rochester Completed No outcome recorded
Phase 2 NCT02101203 Jul 2013 → Aug 2014 hypoactive sexual desire disorder Emotional Brain NY Inc. Completed No outcome recorded
Phase 2 NCT02132832 Jun 2013 → Mar 2016 cannabis dependence The University of Texas Health Science Center, Houston Completed No outcome recorded
Phase 2 NCT01743235 Jul 2012 → Jun 2013 hypoactive sexual desire disorder Emotional Brain NY Inc. Completed No outcome recorded
Phase 2 NCT01496612 Nov 2011 → Apr 2016 anxiety disorder, depressive disorder, focal epilepsy National Institute of Neurological Disorders and Stroke (NINDS) Terminated No outcome recorded
Phase 2 NCT01267292 Mar 2011 → Dec 2015 cocaine dependence The University of Texas Health Science Center, Houston Completed No outcome recorded
Phase 2/32 trials
Phase 2/3 NCT00873509 May 2009 → Jan 2015 autism Chugani, Diane C. Completed No outcome recorded
Phase 2/3 NCT00053846 Nov 2002 → Nov 2010 cancer of unknown primary site University of Rochester Completed No outcome recorded
Phase 34 trials
Phase 3 NCT05430217 Jan → May 2022 dysautonomia Valenta Pharm JSC Completed No outcome recorded
Phase 3 NCT02617017 Jun 2016 → Mar 2023 Parkinson disease Assistance Publique - Hôpitaux de Paris Completed No outcome recorded
Phase 3 NCT02374567 Jan 2015 → Jun 2017 anxiety disorder, dementia, depressive disorder, schizophrenia +1 Hannover Medical School Terminated No outcome recorded
Phase 3 NCT00746954 Sep 2008 → Sep 2011 central sleep apnea syndrome, heart failure VA Office of Research and Development Terminated No outcome recorded
Phase 414 trials
Phase 4 NCT06321341 Jan 2024 → Dec 2026 expected dysautonomia Valenta Pharm JSC Recruiting No outcome recorded
Phase 4 NCT04807517 Aug 2021 → Sep 2023 Williams syndrome, anxiety Massachusetts General Hospital Completed No outcome recorded
Phase 4 NCT05629325 Jul 2021 → Sep 2024 overdue esophageal disorder Universitaire Ziekenhuizen KU Leuven Recruiting No outcome recorded
Phase 4 NCT04400266 Aug 2020 → Jul 2028 expected depressive disorder, traumatic brain injury Massachusetts General Hospital Recruiting No outcome recorded
Phase 4 NCT03538431 Oct 2018 → Dec 2019 autism spectrum disorder Massachusetts General Hospital Completed No outcome recorded
Phase 4 NCT03444831 Mar 2016 → Mar 2017 dyspepsia Isfahan University of Medical Sciences Completed No outcome recorded
Phase 4 NCT02483598 Jun 2015 → Jun 2018 North Dakota State University Terminated No outcome recorded
Phase 4 NCT02273154 Aug 2014 → Dec 2015 major depressive disorder Si Tianmei Unknown No outcome recorded
Phase 4 NCT01821690 May 2013 → Sep 2025 traumatic brain injury Indiana University Completed No outcome recorded
Phase 4 NCT01546896 Mar 2012 → Feb 2014 anxiety disorder Seoul National University Hospital Withdrawn No outcome recorded
Phase not applicable6 trials
NCT03954483 Oct 2023 → Oct 2026 expected anxiety disorder University of Manitoba Recruiting No outcome recorded
NCT04478526 Apr 2020 → May 2021 generalized anxiety disorder Dr. Nazanin Alavi Completed No outcome recorded
NCT02674412 Feb 2016 → Apr 2017 dyskinesia of esophagus The Cleveland Clinic Completed No outcome recorded
NCT02186366 Sep 2014 → Oct 2015 anxiety disorder Sun Qing Unknown No outcome recorded
NCT01850355 Jul 2013 → Dec 2024 anxiety, autism spectrum disorder Massachusetts General Hospital Completed No outcome recorded
NCT01639157 Sep 2012 → Dec 2014 substance-related disorder William Stoops Completed No outcome recorded
Also used as a comparator or background therapy in 16 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT06906224 Comparator May 2022 → Nov 2023 schizophrenia Chuanfu Song Completed No outcome recorded
Phase 13 trials
Phase 1 NCT04052776 Comparator Sep 2020 → Oct 2023 spinal cord injury Centre Hospitalier Universitaire Vaudois Completed No outcome recorded
Phase 1 NCT03521960 Comparator May 2018 → Jun 2020 chronic pain syndrome, substance dependence, substance withdrawal syndrome Johns Hopkins University Completed No outcome recorded
Phase 1 NCT01347541 Background Jan → Nov 2011 post-traumatic stress disorder University of Washington Terminated No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT01484184 Comparator Jul 2013 → Aug 2015 spinal cord injury Nordic Life Science Pipeline Inc. Completed No outcome recorded
Phase 25 trials
Phase 2 NCT05041322 Comparator Nov 2020 → Nov 2024 spinal cord injury Spaulding Rehabilitation Hospital Completed No outcome recorded
Phase 2 NCT03587142 Comparator Aug 2019 → Apr 2022 gastroparesis Johns Hopkins Bloomberg School of Public Health Completed 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 NCT01641159 Comparator Aug 2012 → Jun 2013 cocaine dependence University of Cincinnati Completed No outcome recorded
Phase 2 NCT01395953 Comparator Nov 2011 → Jul 2013 autism spectrum disorder Massachusetts General Hospital Withdrawn No outcome recorded
Phase 33 trials
Phase 3 NCT06243614 Comparator Jul 2023 → Jun 2026 overdue generalized anxiety disorder Beijing Union Pharmaceutical Factory Ltd Recruiting No outcome recorded
Phase 3 NCT01833312 Background Jul 2013 → Jul 2018 ischemic stroke University of Erlangen-Nürnberg Medical School Terminated No outcome recorded
Phase 3 NCT00178971 Comparator Jan 2003 → Oct 2004 schizoaffective disorder, schizophrenia Northwestern University Completed No outcome recorded
Phase 42 trials
Phase 4 NCT07439042 Comparator Aug 2026 → Feb 2029 expected anxiety, autism spectrum disorder Massachusetts General Hospital Not yet recruiting No outcome recorded
Phase 4 NCT04118387 Comparator Jan 2021 → Dec 2026 expected central sleep apnea syndrome VA Office of Research and Development Recruiting No outcome recorded
Phase not applicable1 trial
NCT04352686 Comparator Feb → Sep 2012 gastroesophageal reflux disease Universitaire Ziekenhuizen KU Leuven Completed No outcome recorded

Press releases naming this drug 2 releases

DateIssuerRelease
2002-02-28 Teva Branded Pharmaceutical Products R&D, Inc. Teva Announces Final Approval of Buspirone Tablets tevapharm.com
2001-08-09 Teva Branded Pharmaceutical Products R&D, Inc. Teva Announces Tentative Approval of Buspirone HCI Tablets, 15mg tevapharm.com

Evidence & citations 15 cited values

Every value below carries the sentence it was read from. 71 sources stand behind the page.

FieldValueCited text
Known as Buspirone “If the patient has been deemed unresponsive to both an SSRI and an SNRI/pregabalin, the patient will commence the secondary medication arm. The two classes of medications...” NCT04478526
64

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

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

“Drug BCI-024 (Buspirone) taken once a day at bedtime for 6 weeks.” NCT00705003

BuspironeNCT06321341

NCT05511909

NCT04105114

NCT02483598

NCT00746954

NCT02589340

NCT02803749

NCT02458469

NCT01821690

NCT05377619

NCT01395953

NCT02273154

NCT00873509

NCT02101203

NCT05430217

NCT00360191

NCT00149617

NCT02186366

NCT04807517

NCT01850355

NCT00178971

NCT03444831

NCT02132832

NCT01484184

NCT02674412

NCT02617017

NCT00875836

NCT03521960

NCT01546896

NCT02363478

NCT04052776

NCT00334360

NCT00840606

NCT03538431

NCT06243614

NCT01496612

NCT01641159

NCT07439042

NCT04352686

NCT00166621

NCT03954483

NCT02313194

NCT01267292

NCT03432065

NCT00326235

NCT02374567

NCT04118387

NCT00174226

NCT01699828

NCT05629325

NCT01833312

NCT00840398

NCT00021528

NCT00053846

NCT03587142

NCT05357547

NCT05041322

NCT06906224

NCT00653419

NCT01639157

NCT04400266

Known as APD405 ClinicalTrials.gov intervention name — accepted as the source's own label NCT00895830
Known as BCI-024 ClinicalTrials.gov intervention name — accepted as the source's own label NCT00731653
1

NCT00705003

Known as BUSPAR “The purpose of this study is to look at the effect of exciting using drugs to target a specific pathway in the body, that relies on a natural chemical the body produces called...” NCT02458469
3

“Buspirone (Buspar) has shown initial efficacy in reducing symptoms of opioid withdrawal in animal studies and in human patients undergoing a methadone taper.” NCT03521960

BuSpar/Buspirone is a serotonin 5HT1A agonist and used as an anxiolytic in humans.” NCT05041322

BUSPAR® 30 mg Tablet” NCT00840606

Known as Buspirona ChEMBL registry synonym — accepted as the source's own label CHEMBL49
Known as Buspirone HCl ClinicalTrials.gov intervention name — accepted as the source's own label NCT00652730
Known as Buspirone Hydrochloride Buspirone Hydrochloride 30 mg Tablet” NCT00840398
5

Buspirone Hydrochloride 30 mg Tablet” NCT00840606

“BuSpar, Buspirone HydrochlorideNCT05041322

“Drug: buspirone hydrochlorideNCT00053846

NCT04458324

NCT01743235

Known as Gen-buspirone ChEMBL registry synonym — accepted as the source's own label CHEMBL49
Known as MJ 9022-1 ChEMBL registry synonym — accepted as the source's own label CHEMBL49
Known as NSC-751138 ChEMBL registry synonym — accepted as the source's own label CHEMBL49
Known as NSC-759571 ChEMBL registry synonym — accepted as the source's own label CHEMBL49
Action Activate “Serotonin 1a (5-HT1a) receptor partial agonist” CHEMBL49
1

“5-HT1A agonist” NCT00178971

Modality Small molecule CHEMBL49
Route Oral “patients receive oral buspirone” NCT00053846
Target HTR1A “Serotonin 1a (5-HT1a) receptor partial agonist” CHEMBL49