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Last updated: January 13, 2026

Acetic Acid Thermoreversible Gel

  • User: Female
  • Hormonal: Non-Hormonal
  • Delivery type:
    • Vaginal Gel
  • Intended Duration:
    • Pericoital
  • Development Stage: Phase II
  • Developer(s)/researcher(s): National Research Institute for Family Planning, China
Details
  • API: Acetic Acid
  • Mechanism of Action:
    • Inhibition of Sperm Motility
    • Inhibition of Sperm Capacitation
    • Anti-Microbial
  • Regimen: On Demand
  • MPT: Potential MPT
  • Promising Attributes: An on-demand MPT gel would provide user-controlled dual protection from pregnancy and STIs. Low-concentration acetic acid gels are commercially available for maintenance of vaginal pH, which may support regulatory approval.
Product Status

Active/Recent Clinical Development

History

2024: Developers initiate Phase II trial with 240 participants from four tertiary hospitals, intended to evaluate the safety and efficacy of an acetic acid-based vaginal gel in comparison to an approved spermicide. 

Additional Information