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Inactive
Last updated: May 7, 2026

Ulipristal Acetate Vaginal Ring + Oral LNG

  • User: Female
  • Hormonal: Hormonal
  • Delivery type:
    • Vaginal Ring
    • Oral
  • Intended Duration:
    • Not Yet Determined
  • Development Stage: Phase II
  • Developer(s)/researcher(s): Population Council
Details
  • API: Ulipristal Acetate, Levonorgestrel
  • Mechanism of Action:
    • Endometrial Changes
    • Cervical Mucus Changes
    • Ovulation Inhibition
  • Inactive Materials: Silicone
  • MPT: Not Potential MPT
  • Promising Attributes: The combination of UPA and LNG is theorized to contribute to superior bleeding management and multi-mechanism contraceptive effect
Product Status

No indication of development after 2017

History

Evaluated through a Phase I/II study (n=19) intended to document effect on ovulation, endometrium, and bleeding from 2500 microgram/day UA vaginal ring combined with an oral dose of either a single or repeat dose of 1.5mg oral LNG. 

Additional Information