Who are Risperidone and Zotepine for delirium's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): quetiapine fumarate vs risperidone, Risperidone, Haloperidol, quetiapine (Seroquel) XR, full-dose olanzapine, Quetiapine Immediate Release, Risperdal Consta.

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Last reviewed 2026-05-18 · How we verify

Risperidone and Zotepine for delirium — Competitive Intelligence Brief

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

Risperidone and Zotepine for delirium (Risperidone and Zotepine for delirium) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Atypical antipsychotic combination. Area: Psychiatry / Neurology.

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

Target snapshot

Risperidone and Zotepine for delirium (Risperidone and Zotepine for delirium) — Changhua Christian Hospital. Risperidone and zotepine are atypical antipsychotics that block dopamine D2 and serotonin 5-HT2A receptors to reduce agitation, hallucinations, and delirium symptoms.

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
Risperidone and Zotepine for delirium TARGET	Risperidone and Zotepine for delirium	Changhua Christian Hospital	marketed	Atypical antipsychotic combination	Dopamine D2 receptor, serotonin 5-HT2A receptor
quetiapine fumarate vs risperidone	quetiapine fumarate vs risperidone	AstraZeneca	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
quetiapine (Seroquel) XR	quetiapine (Seroquel) XR	Dr. D McIntosh & Dr. K Kjernisted Clinical Research Inc.	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
Quetiapine Immediate Release	Quetiapine Immediate Release	AstraZeneca	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 combination class)

Changhua Christian Hospital · 1 drug in this class
Heinrich-Heine University, Duesseldorf · 1 drug in this class
Taichung Veterans General Hospital · 1 drug in this class
Xian-Janssen Pharmaceutical Ltd. · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Risperidone and Zotepine for delirium — Competitive Intelligence Brief. https://druglandscape.com/ci/risperidone-and-zotepine-for-delirium. Accessed 2026-05-18.

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