How many drugs treat Prader-Willi syndrome?

Drug Landscape tracks 5 marketed treatments for Prader-Willi syndrome (deduplicated by molecule). 0 Phase 3 candidates and 0 Phase 2 candidates are in the pipeline.

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Last reviewed 2026-06-10 · How we verify

Prader-Willi syndrome — Treatment Landscape & Competitive Intelligence

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

Prader-Willi syndrome (disease) competitive landscape: 5 marketed treatments tracked, 0 Phase 3 candidates, 0 Phase 2 candidates. Recent regulatory actions and upcoming PDUFA dates across the entire treatment set.

5 marketed 0 Phase 3 0 Phase 2 Live · 30-min refresh

Marketed treatment landscape

Approved drugs treating Prader-Willi syndrome, deduplicated by molecule. See the full disease page for line-of-therapy detail.

Drug	Generic	Sponsor	Class	Target	First approval
Omnitrope	Somatropin	Serono	Recombinant human growth hormone	Dimeric GH receptors on cell membranes of target tissues	1976-01-01
Pabal	CARBETOCIN	Ferring Pharmaceuticals Ltd	carbetocin	Oxytocin receptor
Omnitrope	Omnitrope	Sandoz		Growth hormone receptor
somatropine	somatropine	Sanofi		Growth hormone receptor
Duratocin	Duratocin	Dongyu Wang		Oxytocin receptor, Vasopressin V1a receptor, Vasopressin V2 receptor

Phase 3 pipeline

No Phase 3 pipeline candidates tracked.

Phase 2 pipeline

No Phase 2 pipeline candidates tracked.

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this treatment set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this treatment set.

Sponsor landscape

Dongyu Wang · 1 drug in Prader-Willi syndrome
Ferring Pharmaceuticals Ltd · 1 drug in Prader-Willi syndrome
Sandoz · 1 drug in Prader-Willi syndrome
Sanofi · 1 drug in Prader-Willi syndrome
Serono · 1 drug in Prader-Willi syndrome

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Every new regulatory action, PDUFA date, or trial completion in Prader-Willi syndrome:

Cite this brief

Drug Landscape (2026). Prader-Willi syndrome — Treatment Landscape & Competitive Intelligence Brief. https://druglandscape.com/ci/disease/prader-willi-syndrome. Accessed 2026-06-10.

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