NCT Number: NCT02216825
Effect of L. Reuteri NCIMB 30242 on Plasma Bile Acid Profile
Background: In recent years, probiotics have shown promise in treating a variety of diseases. Previously, the investigators have reported on the clinical efficacy of bile salt hydrolase active Lactobacillus reuteri NCIMB 30242 in improving the lipid profile in hypercholesterolemic adults.
Objective: The purpose of the study is to investigate the effect of a delayed release or standard vegetarian capsule containing L. reuteri NCIMB 30242, taken in escalated dose over a 4 week period, on the plasma bile acid profile.
Design: The study design is a pilot, randomized, double-blind, dose-escalation study. The study will last a total of 6 weeks, including a 4-week intervention period and a 2-week washout period.
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Conditions
Age range
20 year–75 year
Sex eligibility
All sexes
Study type
Interventional
Phase
Phase 2
Who can participate
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
- Males and females, aged 20 to 75 years (bounds included).
- LDL-C ≥ 3.40 mmol/L.
- TG < 4.00 mmol/L.
- TBA < 10 umol/L.
- BMI range from 23.0 to 32.5 kg/m2 (bounds included).
- Signed informed consent form prior to inclusion in the study.
- Note: Subjects will be permitted to take stable doses of thyroid hormone and anti-hypertensive agents, as long as these are continued equivalently throughout the duration of study.
- Female subjects not of child bearing potential. Defined as females who have had a hysterectomy or oophorectomy, bilateral tubal ligation or are post-menopausal (natural or surgically with > 1 year since last menstruation) OR Female subject of childbearing potential who agree to use a medically approved method of birth control and have a negative urine pregnancy test result. Acceptable methods of birth control include: Hormonal contraceptives including oral contraceptives, hormone birth control patch (Ortho Evra), vaginal contraceptive ring (NuvaRing), injectable contraceptives (Depo-Provera, Lunelle), or hormone implant (Norplant System); Intrauterine devices; Vasectomy of partner; Total abstinence.
Exclusion criteria
- Use of cholesterol lowering prescription drugs within the last 6 months.
- Use of plant sterols, omega 3, fish oil, soy protein, soluble oat fiber, psyllium seed husk, or other cholesterol lowering non-prescription supplements within last 1 month.
- History of chronic use of alcohol (> 2 drinks/d).
- History of heavy smoking (≥ 20 cigarettes/d).
- Use of systemic antibodies, corticosteroids, androgens, or phenytoin.
- Immune-compromised subjects (e.g. AIDS, lymphoma, subjects undergoing long-term corticosteroid treatment)
- Subject having experienced any cardiovascular event (Myocardial infarction, coronary artery bypass, or other major surgical procedures) in the last 6 months.
- Subjects with elevated LDL-C (≥ 3.40 mmol/L) and high (>20%) CVD risk estimated by the Framingham risk score
- Previously diagnosed Type I or Type II diabetes.
- Subject receiving systemic treatment or topical treatment likely to interfere with evaluation of the study parameters.
- Subject currently involved in a clinical trial or in an exclusion period following participation in another clinical trial.
- History of angina, congestive heart failure, inflammatory bowel disease, pancreatitis, gastrointestinal, renal, pulmonary, hepatic or biliary disease, or cancer (evidence of active lesions, chemotherapy or surgery in the past year).
- Clinically significant abnormal laboratory results at screening.
- Chronic user of probiotics or fibre laxative (greater than 2 doses/wk), or stimulant laxatives.
- History of eating disorders.
- Exercise greater than 15 miles/wk or 4,000 kcal/wk.
- Female subjects that are pregnant, breast feeding or intend to get pregnant.
- Allergy or sensitivity to test product ingredients
- Allergy or sensitivity to all 3 antibiotics (Clindamycin, Erythromycin and Ampicillin).
Treatment and study plan
Standard vegetarian capsule, L. reuteri NCIMB 30242, escalated dose
Dietary SupplementPrimary outcomes
-
The primary outcome will be the change in plasma bile acid profile from baseline to endpoint
Time frame: Week 0 and Week 4 of intervention period
Sponsors and collaborators
Lead sponsor
Micropharma Limited
Industry
Registry information
Important dates
- Study start
- 2013
- Primary completion
- 2013
- Study completion
- 2014
- First posted
- Aug 15, 2014
- Registry last updated
- Aug 15, 2014
OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.
View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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