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Inactive
Last updated: April 9, 2025

NES Implant

Nestorone (NES) Single Rod Implant

  • User: Female
  • Hormonal: Hormonal
  • Delivery type:
    • Subdermal
  • Intended Duration:
    • Long-Acting
  • Development Stage: Phase II
  • Developer(s)/researcher(s): Population Council
Details
  • API: Nestorone
  • Target: Progesterone Receptor
  • Mechanism of Action:
    • Ovulation Inhibition
    • Cervical Mucus Changes
    • Endometrial Changes
  • Inactive Materials: Silastic
  • Regimen: 1 Insertion/2 Years
  • MPT: Not Potential MPT
Product Status

No development after early 2000s

History

Phase IIb study stopped due to higher than expected failure rate in women who were not breastfeeding. Phase II in breastfeeding women successful both in efficacy and safety in mothers and infants.

Publications