Effects of St. John's Wort on the Effectiveness of Oral Contraceptives

NCT00026013 · clinicaltrials.gov ↗

NA

Phase

COMPLETED

Status

25

Enrollment

NIH

Sponsor class

Conditions

Contraception

Interventions

DRUG: hypericum perforatum

Sponsor

National Center for Complementary and Integrative Health (NCCIH)