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Buspirone HCl — Competitive Intelligence Brief

Buspirone HCl (Buspirone HCl) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: 5-HT1A receptor agonist. Area: Psychiatry/Neurology.

marketed 5-HT1A receptor agonist 5-HT1A receptor Psychiatry/Neurology Small molecule Live · refreshed every 30 min

Target snapshot

Buspirone HCl (Buspirone HCl) — Par Pharmaceutical, Inc.. Buspirone acts as a serotonin 5-HT1A receptor agonist to reduce anxiety without the sedation or dependence associated with benzodiazepines.

Comparator set (6 drugs)

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DrugGenericSponsorPhaseClassTargetApproval / PDUFA
Buspirone HCl TARGET Buspirone HCl Par Pharmaceutical, Inc. marketed 5-HT1A receptor agonist 5-HT1A receptor
Trintellix vortioxetine Takeda marketed Serotonin modulator and stimulator (SMS); SSRI-like agent Serotonin transporter (SERT); 5-HT3 receptor; 5-HT1A receptor 2013-01-01
Aripiprazole; Quetiapine Aripiprazole; Quetiapine Taichung Veterans General Hospital marketed Atypical antipsychotic combination Dopamine D2 receptor; Serotonin 5-HT2A receptor; Serotonin 5-HT1A receptor
Aripiprazole tablet Aripiprazole tablet All India Institute of Medical Sciences, Bhubaneswar marketed Atypical antipsychotic Dopamine D2 receptor (partial agonist); Serotonin 5-HT1A receptor (partial agonist); Serotonin 5-HT2A receptor (antagonist)
Latuda© Latuda© University of North Carolina, Chapel Hill marketed Atypical antipsychotic Dopamine D2 receptor, serotonin 5-HT7 receptor, serotonin 5-HT1A receptor
Abilify (aripiprazole) Abilify (aripiprazole) Genovate Biotechnology Co., Ltd., marketed Atypical antipsychotic Dopamine D2 receptor (partial agonist), Serotonin 5-HT1A receptor (partial agonist)
Lithium or Valproate with Aripiprazole Lithium or Valproate with Aripiprazole Otsuka Pharmaceutical Development & Commercialization, Inc. marketed Atypical antipsychotic combined with mood stabilizers Dopamine D2/D3 receptors, serotonin 5-HT1A receptor (aripiprazole); inositol monophosphatase, GSK-3 (lithium); histone deacetylase (valproate)

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (5-HT1A receptor agonist class)

  1. Par Pharmaceutical, Inc. · 1 drug in this class
  2. Sumitomo Pharma (Suzhou) Co., Ltd. · 1 drug in this class
  3. Supernus Pharmaceuticals, Inc. · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Buspirone HCl — Competitive Intelligence Brief. https://druglandscape.com/ci/buspirone-hcl. Accessed 2026-06-10.

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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing