Who are Orserdu's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Nextstellis, Cerianna, Duavee, Duavee, Osphena, Fablyn.

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 2026-05-13 · How we verify

Orserdu — Competitive Intelligence Brief

Orserdu (ELACESTRANT) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Estrogen Receptor Antagonist [EPC]. Area: Oncology.

marketed Estrogen Receptor Antagonist [EPC] Estrogen receptor Oncology Small molecule Live · refreshed every 30 min

Target snapshot

Orserdu (ELACESTRANT) — Stemline Therap. Orserdu works by blocking the estrogen receptor, a protein that helps cancer cells grow.

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
Orserdu TARGET	ELACESTRANT	Stemline Therap	marketed	Estrogen Receptor Antagonist [EPC]	Estrogen receptor	2023-01-01
Nextstellis	ESTETROL	Mayne Pharma	marketed	Estrogen	Estrogen receptor	2021-01-01
Cerianna	FLUOROESTRADIOL F-18	GE HealthCare	marketed	Radioactive Diagnostic Agent [EPC]	Estrogen receptor	2020-01-01
Duavee	conjugated-estrogens-bazedoxifene	Pfizer	marketed	Estrogen [EPC]	estrogen receptors α and β	2013-01-01
Duavee	BAZEDOXIFENE	Wyeth Pharms Pfizer	marketed	Estrogen [EPC]	estrogen receptors (ER) α and β	2013-01-01
Osphena	OSPEMIFENE	Duchesnay	marketed	Estrogen Agonist/Antagonist [EPC]	Estrogen receptor beta	2013-01-01
Fablyn	LASOFOXIFENE	Dr. Friedrich Eberth Arzneimittel GmbH	marketed	lasofoxifene	Estrogen receptor	2009-01-01

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)

2027-03-10 — Duavee · 7683051 · US

Sponsor landscape (Estrogen Receptor Antagonist [EPC] class)

· 1 drug in this class
AstraZeneca · 1 drug in this class
Eli Lilly And Co · 1 drug in this class
Stemline Therap · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Orserdu — Competitive Intelligence Brief. https://druglandscape.com/ci/elacestrant. Accessed 2026-05-13.

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