Who are quetiapine fumarate vs risperidone's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): full-dose olanzapine, Risperidone, Haloperidol, Lithium carbonate + perospirone hydrochloride, Risperidone and Ramelteon, Quetiapine (drug), Risperdal Consta.

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Last reviewed 2026-05-17 · How we verify

quetiapine fumarate vs risperidone — Competitive Intelligence Brief

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

quetiapine fumarate vs risperidone (quetiapine fumarate vs risperidone) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Atypical antipsychotic. Area: Psychiatry/Neurology.

marketed Atypical antipsychotic Dopamine D2 receptor, serotonin 5-HT2A receptor Psychiatry/Neurology Small molecule Live · refreshed every 30 min

Target snapshot

quetiapine fumarate vs risperidone (quetiapine fumarate vs risperidone) — AstraZeneca. Quetiapine fumarate is an atypical antipsychotic that blocks dopamine D2 and serotonin 5-HT2A receptors in the brain, while risperidone is a similar atypical antipsychotic with higher D2 receptor affinity and additional alpha-adrenergic blocking activity.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target
quetiapine fumarate vs risperidone TARGET	quetiapine fumarate vs risperidone	AstraZeneca	marketed	Atypical antipsychotic	Dopamine D2 receptor, serotonin 5-HT2A receptor
full-dose olanzapine	full-dose olanzapine	Kaohsiung Kai-Suan Psychiatric Hospital	marketed	Atypical antipsychotic	Dopamine D2 receptor, Serotonin 5-HT2A receptor
Risperidone, Haloperidol	Risperidone, Haloperidol	Ludwig-Maximilians - University of Munich	marketed	Antipsychotic	Dopamine D2 receptor, Serotonin 5-HT2A receptor
Lithium carbonate + perospirone hydrochloride	Lithium carbonate + perospirone hydrochloride	Shanghai Mental Health Center	marketed	Mood stabilizer + atypical antipsychotic combination	Inositol monophosphatase, GSK-3 (lithium); dopamine D2 receptor, serotonin 5-HT2A receptor (perospirone)
Risperidone and Ramelteon	Risperidone and Ramelteon	All India Institute of Medical Sciences, Bhubaneswar	marketed	Atypical antipsychotic + melatonin receptor agonist combination	Dopamine D2 receptor, serotonin 5-HT2A receptor, melatonin MT1/MT2 receptors
Quetiapine (drug)	Quetiapine (drug)	Medical University of Vienna	marketed	Atypical antipsychotic	Dopamine D2 receptor, Serotonin 5-HT2A receptor
Risperdal Consta	Risperdal Consta	Zogenix, Inc.	marketed	Atypical antipsychotic	Dopamine D2 receptor, Serotonin 5-HT2A receptor

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 (Atypical antipsychotic class)

Shanghai Mental Health Center · 10 drugs in this class
AstraZeneca · 6 drugs in this class
Otsuka Pharmaceutical Development & Commercialization, Inc. · 5 drugs in this class
Johnson & Johnson Pharmaceutical Research & Development, L.L.C. · 4 drugs in this class
Eli Lilly and Company · 4 drugs in this class
Otsuka Pharmaceutical Co., Ltd. · 3 drugs in this class
Medical University of Vienna · 2 drugs in this class
Organon and Co · 2 drugs in this class
Chengdu Kanghong Pharmaceutical Group Co., Ltd. · 2 drugs in this class
H. Lundbeck A/S · 2 drugs in this class

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Cite this brief

Drug Landscape (2026). quetiapine fumarate vs risperidone — Competitive Intelligence Brief. https://druglandscape.com/ci/quetiapine-fumarate-vs-risperidone. Accessed 2026-05-17.

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