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Inactive
Last updated: April 9, 2025

Tanaproget

NSP-989, NSP-989 COMBO, Tanaproget COMBO, WAY-166989

  • User: Female
  • Hormonal: Hormonal
  • Delivery type:
    • Oral
  • Intended Duration:
    • Short-Acting
  • Development Stage: Phase II
  • Developer(s)/researcher(s): Wyeth Research, Ligand Pharmaceuticals, Inc.
Details
  • API: Tanaproget
  • Target: Progesterone Receptor
  • Mechanism of Action:
    • Ovulation Inhibition
    • Cervical Mucus Changes
    • Endometrial Changes
  • Inactive Materials: Undetermined
  • Regimen: 1 Pill/Day
  • MPT: Not Potential MPT
Product Status

No evidence of subsequent development - product is not listed on Ligand's website

History

2010: Ligand receives $1M upfront payment from Pfizer for sublicense of tanaproget, tissue-selective, non-steroidal contraceptive progesterone receptor agonist. 

Publications

Additional Information