Who are Risperidone, divalproex's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Quetiapine and Topiramate, quetiapine fumarate or valproate.

How often does this brief refresh?

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 2026-05-14 · How we verify

Risperidone, divalproex — Competitive Intelligence Brief

Risperidone, divalproex (Risperidone, divalproex) competitive landscape: 2 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Atypical antipsychotic + anticonvulsant mood stabilizer combination. Area: Psychiatry.

marketed Atypical antipsychotic + anticonvulsant mood stabilizer combination Dopamine D2 receptor (risperidone); histone deacetylase / GABA pathway (divalproex) Psychiatry Small molecule Live · refreshed every 30 min

Target snapshot

Risperidone, divalproex (Risperidone, divalproex) — Nathan Kline Institute for Psychiatric Research. This combination uses risperidone (a dopamine antagonist) and divalproex (a histone deacetylase inhibitor and mood stabilizer) together to treat bipolar disorder and related psychiatric conditions.

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
Risperidone, divalproex TARGET	Risperidone, divalproex	Nathan Kline Institute for Psychiatric Research	marketed	Atypical antipsychotic + anticonvulsant mood stabilizer combination	Dopamine D2 receptor (risperidone); histone deacetylase / GABA pathway (divalproex)
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)
quetiapine fumarate or valproate	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

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). Risperidone, divalproex — Competitive Intelligence Brief. https://druglandscape.com/ci/risperidone-divalproex. Accessed 2026-05-14.

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