New vaginal film uses antibodies to block sperm – first human trial underway
Prevention
Recruiting now
This early-stage trial tests whether a vaginal film containing an anti-sperm antibody (KB15A) is safe for healthy women. Twenty-four participants will receive either the active film or a placebo, first as single doses and then daily for 14 days. Researchers will monitor for side …
Phase: PHASE1 • Sponsor: ZabBio Inc. • Aim: Prevention
Last updated Jun 27, 2026 08:04 UTC