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Sponsored by: |
National Center for Complementary and Alternative Medicine (NCCAM) |
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Information provided by: | National Center for Complementary and Alternative Medicine (NCCAM) |
ClinicalTrials.gov Identifier: | NCT00071682 |
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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Coagulation Disorders |
Study Type: | Observational |
Study Design: | Natural History, Longitudinal, Defined Population, Prospective Study |
Official Title: | Early Identification of Adverse Reactions to Herbs |
Ages Eligible for Study: | 18 Years and older |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | Yes |
Inclusion criteria:
United States, California | |
San Francisco VA Medical Center | |
San Francisco, California, United States, 94121 |
Principal Investigator: | Stephen Bent, MD | University of California, San Francisco |
Study ID Numbers: | K08 AT001338-01 |
Study First Received: | October 29, 2003 |
Last Updated: | October 1, 2007 |
ClinicalTrials.gov Identifier: | NCT00071682 |
Health Authority: | United States: Federal Government |
herbal medicine alternative medicines anticoagulation |
side effects bleeding clotting |
Hemorrhagic Disorders Hematologic Diseases Blood Coagulation Disorders Vascular Diseases |
Hemorrhage Hemostatic Disorders Marijuana Abuse |
Cardiovascular Diseases |