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Premarin — Competitive Intelligence Brief

Premarin (Estrogens, Conjugated) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Estrogen replacement therapy. Area: Metabolic.

marketed Estrogen replacement therapy Estrogen receptors (nuclear receptors) Metabolic Hormone therapy Live · refreshed every 30 min

Target snapshot

Premarin (Estrogens, Conjugated) — Pfizer. Conjugated estrogens bind to nuclear estrogen receptors in estrogen-responsive tissues, modulating gonadotropin secretion and reducing elevated LH and FSH in postmenopausal women.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
Premarin TARGET Estrogens, Conjugated Pfizer marketed Estrogen replacement therapy Estrogen receptors (nuclear receptors) 1942-01-01
Premarin Estrogens, Conjugated Pfizer marketed Estrogen replacement therapy Estrogen receptors (nuclear receptors) 1942-01-01
Premarin Estrogens, Conjugated Pfizer marketed Estrogen replacement therapy Estrogen receptors (nuclear receptors) 1942-01-01
Estradiol vaginal cream Estradiol vaginal cream CONRAD marketed Estrogen replacement therapy Estrogen receptor alpha (ERα) and estrogen receptor beta (ERβ)
Estrogen vaginal cream Estrogen vaginal cream The University of Texas Health Science Center, Houston marketed Estrogen replacement therapy (topical) Estrogen receptor alpha and beta
Premarin vaginal estrogen cream Premarin vaginal estrogen cream Medstar Health Research Institute marketed Estrogen replacement therapy (topical) Estrogen receptor alpha (ERα) and estrogen receptor beta (ERβ)
Postmenopausal, topical vaginal estrogen cream Postmenopausal, topical vaginal estrogen cream The University of Texas Medical Branch, Galveston marketed Estrogen replacement therapy (topical) Estrogen receptor alpha (ERα) and estrogen receptor beta (ERβ)

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 (Estrogen replacement therapy class)

  1. Pfizer · 3 drugs in this class
  2. CONRAD · 1 drug in this class
  3. Mylan Pharmaceuticals Inc · 1 drug in this class
  4. University of California, Irvine · 1 drug in this class
  5. University of Virginia · 1 drug in this class

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Cite this brief

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

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