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Herbal Therapies |
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Clinical Trial: Evaulation of Interaction Between Herbal Products and Anticoagulants
This study is not yet open for patient recruitment.
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Purpose
The purpose of this study is to determine if the use of herbal products interferes with normal anticoagulation, leading to either excessive thinning of the blood and bleeding problems or inadequate thinning of the blood and clotting problems. Many patients who are on long term anticoagulation, or blood thinning, for a variety of medical problems, also take herbal products. It is not yet known whether use of herbal products interferes with this anticoagulation, and puts patients at risk for bleeding or clotting. This study will carefully monitor patients who are taking herbs and anticoagulants to determine if their laboratory tests show signs of being affected by the herbs. The study will ask all patients about their herbal product use, so all reported herbs will be included and monitored.
| Condition |
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| control of anticoagulation |
MedlinePlus consumer health information
Study Type: Observational
Study Design: Natural History, Longitudinal, Defined Population, Prospective Study
Official Title: Early Identification of Adverse Reactions to Herbs
Expected Total Enrollment: 2000
Study start: January 2006; Expected completion: December 2007
Eligibility
Ages Eligible for Study: 18 Years and above, Genders Eligible for Study: Both
Accepts Healthy Volunteers
Criteria
Inclusion criteria:
- Taking longer-term (>6 months) anticoagulation
- Enrolled in one of Kaiser Permanente Northern California anticoagulation clinics
Location Information
California
Kaiser Permanente, Northern California, Oakland, California, United States
Stephen Bent, MD, Principal Investigator, University of California, San Francisco
More Information
Record last reviewed: December 2004
Last Updated: December 13, 2004
Record first received: October 29, 2003
ClinicalTrials.gov Identifier: NCT00071682
Health Authority: United States: Federal Government
ClinicalTrials.gov processed this record on 2005-04-08
Source: ClinicalTrials.gov
Cache Date: April 9, 2005
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