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Plan B (Levonorgestrel) — Competitive Intelligence Brief
marketed
Progestin; emergency contraceptive
Progesterone receptor
Contraception / Reproductive Health
Small molecule
Live · refreshed every 30 min
Target snapshot
Plan B (Levonorgestrel) (Plan B (Levonorgestrel)) — University of Pennsylvania. Levonorgestrel is a synthetic progestin that prevents pregnancy primarily by inhibiting or delaying ovulation.
Comparator set (6 drugs)
| Drug | Generic | Sponsor | Phase | Class | Target | Approval / PDUFA |
|---|---|---|---|---|---|---|
| Plan B (Levonorgestrel) TARGET | Plan B (Levonorgestrel) | University of Pennsylvania | marketed | Progestin; emergency contraceptive | 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)
Upcoming PDUFA dates (next 180 days)
Patent timeline (forward window)
- — Elocon · 7544192 · Method of Use · US
- — Elocon · 8025635 · Formulation · US
- — Natazia · 8153616 · US
- — Elocon · 10357640 · Method of Use · US
- — Elocon · 8763222 · Formulation · US
- — Faslodex · 10188663 · Formulation · US
- — Faslodex · 9833459 · Formulation · US
- — Elocon · 10406332 · Formulation · US
- — Faslodex · 9271990 · Formulation · US
- — Elocon · 10232152 · Formulation · US
Sponsor landscape (Progestin; emergency contraceptive class)
- University of Pennsylvania · 1 drug in this class
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Cite this brief
Drug Landscape (2026). Plan B (Levonorgestrel) — Competitive Intelligence Brief. https://druglandscape.com/ci/plan-b-levonorgestrel. Accessed 2026-06-09.
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