Who are intravaginal prasterone's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Natazia, Faslodex, Ortho Evra, Elocon, Gynorest, Progesterone.

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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 2026-05-14 · How we verify

intravaginal prasterone — Competitive Intelligence Brief

intravaginal prasterone (intravaginal prasterone) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Progesterone. Area: Gynecology.

phase 3 Progesterone Progesterone receptor Gynecology Small molecule Live · refreshed every 30 min

Target snapshot

intravaginal prasterone (intravaginal prasterone) — Lee's Pharmaceutical Limited. Intravaginal prasterone is a vaginal progesterone that mimics the natural hormone progesterone to treat symptoms of menopause.

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	Approval / PDUFA
intravaginal prasterone TARGET	intravaginal prasterone	Lee's Pharmaceutical Limited	phase 3	Progesterone	Progesterone receptor
Natazia	DIENOGEST	Mochida Pharmaceutical Co., Ltd.	marketed	Progestin	Progesterone receptor	2010-01-01
Faslodex	fulvestrant	AstraZeneca	marketed	Estrogen Receptor Antagonist [EPC]	Progesterone receptor	2002-01-01
Ortho Evra	NORELGESTROMIN		marketed	Estrogen [EPC]	Progesterone receptor	2001-01-01
Elocon	MOMETASONE FUROATE	Merck & Co.	marketed	Corticosteroid	Progesterone receptor	1987-01-01
Gynorest	DYDROGESTERONE	Solvay	marketed	dydrogesterone	Progesterone receptor	1982-01-01
Progesterone	Progesterone plus HCG	Dunamenti REK Istenhegyi IVF Center	marketed	Progesterone [EPC]	progesterone receptor, luteinizing hormone/choriogonadotropin receptor	1978-01-01

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)

2026-11-29 — Elocon · 7544192 · Method of Use · US
2027-06-12 — Elocon · 8025635 · Formulation · US
2028-01-30 — Natazia · 8153616 · US
2031-10-03 — Elocon · 10357640 · Method of Use · US
2032-02-08 — Elocon · 8763222 · Formulation · US
2034-02-14 — Faslodex · 10188663 · Formulation · US
2034-02-14 — Faslodex · 9833459 · Formulation · US
2034-03-13 — Elocon · 10406332 · Formulation · US
2034-05-17 — Faslodex · 9271990 · Formulation · US
2034-11-24 — Elocon · 10232152 · Formulation · US

Sponsor landscape (Progesterone class)

Ain Shams Maternity Hospital · 1 drug in this class
Lee's Pharmaceutical Limited · 1 drug in this class

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Cite this brief

Drug Landscape (2026). intravaginal prasterone — Competitive Intelligence Brief. https://druglandscape.com/ci/intravaginal-prasterone. Accessed 2026-05-14.

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