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Ethinylestradiol / Norethisterone — Competitive Intelligence Brief
marketed
Combined oral contraceptive
Estrogen receptor and progesterone receptor
Contraception / Reproductive Health
Small molecule
Live · refreshed every 30 min
Target snapshot
Ethinylestradiol / Norethisterone (Ethinylestradiol / Norethisterone) — University of Edinburgh. Ethinylestradiol and norethisterone work together as a combined oral contraceptive by suppressing ovulation through hormonal feedback on the hypothalamic-pituitary-ovarian axis.
Comparator set (6 drugs)
| Drug | Generic | Sponsor | Phase | Class | Target | Approval / PDUFA |
|---|---|---|---|---|---|---|
| Ethinylestradiol / Norethisterone TARGET | Ethinylestradiol / Norethisterone | University of Edinburgh | marketed | Combined oral contraceptive | Estrogen receptor and progesterone receptor | |
| ETHINYL ESTRADIOL AND LEVOGESTREL | ETHINYL ESTRADIOL AND LEVOGESTREL | FHI 360 | marketed | Combined oral contraceptive | Estrogen receptor and progesterone receptor | |
| OCR | OCR | Hoffmann-La Roche | marketed | Combined oral contraceptive | Estrogen receptor and progesterone receptor | |
| placebo + ethinylestradiol/levonorgestrel | placebo + ethinylestradiol/levonorgestrel | HRA Pharma | marketed | Combined oral contraceptive | Estrogen receptor and progesterone receptor | |
| Ethinyl Estradiol / Norgestimate Oral Tablet | Ethinyl Estradiol / Norgestimate Oral Tablet | University of Colorado, Denver | marketed | Oral contraceptive (combined estrogen-progestin) | Estrogen receptor and progesterone receptor | |
| ethinyl estradiol/etonogestrel vaginal ring | ethinyl estradiol/etonogestrel vaginal ring | University of Pittsburgh | marketed | Combined hormonal contraceptive | Estrogen receptor and progesterone receptor | |
| Estradiol valerate / dienogest | Estradiol valerate / dienogest | Helsinki University Central Hospital | marketed | Oral contraceptive (combined estrogen-progestin) | Estrogen receptor and progesterone receptor |
Recent regulatory actions (last 90 days)
Upcoming PDUFA dates (next 180 days)
Patent timeline (forward window)
Sponsor landscape (Combined oral contraceptive class)
- University of Palermo · 3 drugs in this class
- Teva Branded Pharmaceutical Products R&D, Inc. · 2 drugs in this class
- Organon and Co · 2 drugs in this class
- HRA Pharma · 1 drug in this class
- Hansoh BioMedical R&D Company · 1 drug in this class
- Helsinki University Central Hospital · 1 drug in this class
- Hoffmann-La Roche · 1 drug in this class
- IVI Madrid · 1 drug in this class
- Leiden University Medical Center · 1 drug in this class
- Massachusetts General Hospital · 1 drug in this class
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- Ethinylestradiol / Norethisterone CI watch — RSS
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- Ethinylestradiol / Norethisterone CI watch — JSON
- Ethinylestradiol / Norethisterone alone — RSS
- Whole Combined oral contraceptive class — RSS
Cite this brief
Drug Landscape (2026). Ethinylestradiol / Norethisterone — Competitive Intelligence Brief. https://druglandscape.com/ci/ethinylestradiol-norethisterone. Accessed 2026-05-14.
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