Who are Ropinirole (Requip)'s main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): ropinirole CR-RLS, [11C]raclopride, aripiprazole long acting injectable formulation, IM aripiprazole once monthly, Raclopride C11, Amisulpride add-on.

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Last reviewed 2026-05-13 · How we verify

Ropinirole (Requip) — Competitive Intelligence Brief

Ropinirole (Requip) (Ropinirole (Requip)) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Dopamine D2/D3 receptor agonist. Area: Neurology.

marketed Dopamine D2/D3 receptor agonist Dopamine D2 receptor, Dopamine D3 receptor Neurology Small molecule Live · refreshed every 30 min

Target snapshot

Ropinirole (Requip) (Ropinirole (Requip)) — St. Luke's-Roosevelt Hospital Center. Ropinirole is a dopamine D2/D3 receptor agonist that stimulates dopamine signaling in the brain to improve motor control and reduce tremor.

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
Ropinirole (Requip) TARGET	Ropinirole (Requip)	St. Luke's-Roosevelt Hospital Center	marketed	Dopamine D2/D3 receptor agonist	Dopamine D2 receptor, Dopamine D3 receptor
ropinirole CR-RLS	ropinirole CR-RLS	GlaxoSmithKline	marketed	Dopamine D2/D3 receptor agonist	Dopamine D2 receptor, Dopamine D3 receptor
[11C]raclopride	[11C]raclopride	New York State Psychiatric Institute	marketed	Dopamine D2/D3 receptor antagonist (PET imaging agent)	Dopamine D2 receptor, Dopamine D3 receptor
aripiprazole long acting injectable formulation	aripiprazole long acting injectable formulation	Vanguard Research Group	marketed	Atypical antipsychotic (dopamine partial agonist)	Dopamine D2 receptor, Dopamine D3 receptor
IM aripiprazole once monthly	IM aripiprazole once monthly	University of Utah	marketed	Atypical antipsychotic	Dopamine D2 receptor, Dopamine D3 receptor
Raclopride C11	Raclopride C11	University of North Carolina, Chapel Hill	marketed	Dopamine D2/D3 receptor antagonist (PET imaging agent)	Dopamine D2 receptor, Dopamine D3 receptor
Amisulpride add-on	Amisulpride add-on	National Health Research Institutes, Taiwan	marketed	Atypical antipsychotic	Dopamine D2 receptor, Dopamine D3 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 (Dopamine D2/D3 receptor agonist class)

GlaxoSmithKline · 1 drug in this class
Kowa Company, Ltd. · 1 drug in this class
Pharma Two B Ltd. · 1 drug in this class
St. Luke's-Roosevelt Hospital Center · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Ropinirole (Requip) — Competitive Intelligence Brief. https://druglandscape.com/ci/ropinirole-requip. Accessed 2026-05-13.

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