Evaluation of Oral Alpha-Cyclodextrin for Decreasing Serum Cholesterol
Launched by NATIONAL HEART, LUNG, AND BLOOD INSTITUTE (NHLBI) · May 25, 2010
Trial Information
Current as of August 20, 2025
Completed
Keywords
ClinConnect Summary
This single center, double-blinded, cross-over, placebo controlled clinical pilot study will investigate the effectiveness of a soluble dietary fiber, alpha-cyclodextrin (alpha-CD), on blood lipid and lipoprotein levels in healthy human subjects. alpha-CD, a cyclical polymer of glucose, is currently sold as an over the counter food supplement and is a common ingredient in many foods. This is the first study that will evaluate the effect of alpha-CD in healthy subjects. One gram of alpha-CD has been shown to bind as much as 9 grams of dietary fat, and like other soluble dietary fibers or bil...
Gender
ALL
Eligibility criteria
- * INCLUSION CRITERIA:
- • Males and females between the ages of 18-75.
- • Subject understands protocol and provides written, informed consent in addition to a willingness to comply with specified follow-up evaluations.
- EXCLUSION CRITERIA:
- • Pregnancy or women currently breastfeeding.
- • BMI less than 18.5
- • Subjects with unstable weight that varies greater than 10% over the past 3 months.
- • Subjects currently following any low-fat (\< 20%) diet.
- • Subjects that routinely consume less than 3 meals/snacks per day
- • Subjects taking the following medications, which may show reduced absorption with alpha-CD or may otherwise interfere with the study will be excluded: soluble fiber supplements, BAS, plant sterol supplements, antibiotics, anticoagulants, anticonvulsants, antiarrhythmics , cyclosporine, mycophenolate, synthroid, vitamin A, E and K and or any drug that is necessary to take with a meal. If any of these medications are initiated during the study, the subjects will be instructed to discontinue the use of the alpha-CD or placebo pills and to withdraw from the study. Short-term and prophylactic antibiotics may be taken during study participation for up to 14 days, at least 2 hours apart from the study drug.
- • Subjects with chronic diarrhea, gastric bypass or lap-band procedures, ostomies, bowel motility problems, or other conditions that could affect intestinal fat absorption.
- • Subjects initiating new medications or patients on multiple medications may also be excluded.
- • Patients with type I or type II diabetes.
- • Subjects currently taking alpha-CD in its commercial form.
- • Volunteers may also be excluded, if in the opinion of the study investigators, they have some other condition or disorder that may adversely affect the outcome of the study or the safety of the volunteer.
About National Heart, Lung, And Blood Institute (Nhlbi)
The National Heart, Lung, and Blood Institute (NHLBI) is a leading component of the National Institutes of Health (NIH), dedicated to advancing research and clinical trials focused on cardiovascular, pulmonary, and hematologic diseases. With a mission to improve public health through innovative research, the NHLBI supports a wide range of studies aimed at understanding, preventing, and treating heart and lung conditions. By collaborating with academic institutions, healthcare providers, and patient communities, the NHLBI strives to translate scientific discoveries into effective clinical practices, ultimately enhancing the quality of life for individuals affected by these critical health issues.
Contacts
Jennifer Cobb
Immunology at National Institute of Allergy and Infectious Diseases (NIAID)
Locations
Bethesda, Maryland, United States
Patients applied
Trial Officials
Marcelo J Amar, M.D.
Principal Investigator
National Heart, Lung, and Blood Institute (NHLBI)
Timeline
First submit
Trial launched
Trial updated
Estimated completion
Not reported
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