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Contraception |
Condom; Condoms |
Clinical Trial: Effects of St. John's Wort on the Effectiveness of Oral Contraceptives
This study is no longer recruiting patients.
|
Purpose
The purpose of this study is to evaluate the effects of a common herbal remedy, St. John's Wort, on the effectiveness of birth control pills. St. John's Wort has recently been shown to increase metabolism of some drugs. If it could increase metabolism of oral contraceptives as well, it may increase the risk of contraceptive failure and unintended pregnancy. Study participants will be evaluated for risk of ovulation on oral contraceptives before and during simultaneous therapy with St. John's Wort.
| Condition | Treatment or Intervention |
|---|---|
| Contraception | Drug: hypericum perforatum |
MedlinePlus consumer health information
Study Type: Interventional
Study Design: Treatment, Non-Randomized, Single Blind, Placebo Control, Single Group Assignment, Pharmacokinetics/Dynamics Study
Official Title: Effects of Hypericum Perforatum on Effectiveness of Oral Contraceptives
Expected Total Enrollment: 25
Study start: January 2002
Eligibility
Ages Eligible for Study: 18 Years - 40 Years, Genders Eligible for Study: Female
Accepts Healthy Volunteers
Criteria
Inclusion Criteria:
- Women taking or willing to take low dose oral contraceptives for 5 months
- No contraindications to hormonal contraception
Location Information
New York
Columbia University Department of Obstetrics & Gynecology, New York, New York, 10032, United States
More Information
Record last reviewed: March 2004
Last Updated: October 13, 2004
Record first received: November 5, 2001
ClinicalTrials.gov Identifier: NCT00026013
Health Authority: United States: Federal Government
ClinicalTrials.gov processed this record on 2005-04-08
Source: ClinicalTrials.gov
Cache Date: April 9, 2005
Resources
- All About Tubal Sterilization (Planned Parenthood Federation of America)
- Anticonceptivos Orales Combinados FAQ (Family Health International)
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