Who are quetiapine fumarate or valproate's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Quetiapine and Topiramate, Risperidone, divalproex.

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Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-05-17 · How we verify

quetiapine fumarate or valproate — 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 or valproate (quetiapine fumarate or valproate) competitive landscape: 2 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Atypical antipsychotic + anticonvulsant mood stabilizer combination. Area: Psychiatry.

phase 3 Atypical antipsychotic + anticonvulsant mood stabilizer combination Dopamine receptors (D2), serotonin receptors (5-HT1A, 5-HT2A); GABA pathway, histone deacetylase Psychiatry Small molecule Live · refreshed every 30 min

Target snapshot

quetiapine fumarate or valproate (quetiapine fumarate or valproate) — AstraZeneca. This is a combination of two distinct psychiatric medications: quetiapine fumarate (an atypical antipsychotic) and valproate (a mood stabilizer), each working through different neurochemical pathways.

Comparator set (2 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 or valproate TARGET	quetiapine fumarate or valproate	AstraZeneca	phase 3	Atypical antipsychotic + anticonvulsant mood stabilizer combination	Dopamine receptors (D2), serotonin receptors (5-HT1A, 5-HT2A); GABA pathway, histone deacetylase
Quetiapine and Topiramate	Quetiapine and Topiramate	University of Cincinnati	marketed	Atypical antipsychotic + anticonvulsant mood stabilizer combination	D2 dopamine receptor, 5-HT2A serotonin receptor (quetiapine); voltage-gated sodium channels, carbonic anhydrase (topiramate)
Risperidone, divalproex	Risperidone, divalproex	Nathan Kline Institute for Psychiatric Research	marketed	Atypical antipsychotic + anticonvulsant mood stabilizer combination	Dopamine D2 receptor (risperidone); histone deacetylase / GABA pathway (divalproex)

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 + anticonvulsant mood stabilizer combination class)

AstraZeneca · 1 drug in this class
Nathan Kline Institute for Psychiatric Research · 1 drug in this class
University of Cincinnati · 1 drug in this class

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Cite this brief

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

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