Can Brisk Walking Combined With Ingestion of a Lipid-lowering Drug Improve

Status Active, not recruiting

Clinical Trial Summary

Briefly, participants will be assessed for their eligibility for the study using an oral glucose tolerance test, which involves drinking a sugary drink followed by a series of small blood samples. If eligible, participants will be asked to take part in a fitness test and then two trials which will involve walking on a treadmill at a steady pace. Before and after the exercise a small piece of muscle will be taken from their thigh under local anaesthesia, as well as several small blood samples. Muscle muscle samples will be assessed for lipid metabolites.

Clinical Trial Description

The accumulation of fat in skeletal muscle is linked with insulin resistance in obesity and T2D. However, fat also accumulates in the muscle of lean, healthy people, but they remain insulin sensitive. This is because healthy people are able to burn this fat to generate energy during exercise. However, overweight/obese inactive people can't use muscle fat during exercise in the same manner, which is related to the high blood lipid concentrations that are observed in these individuals. Acipimox is a lipid-lowering agent that specifically reduces the breakdown of fat in adipose tissue and has been shown improve the blood lipid profile of obese individuals and T2D patients, at least in the short-term (1-2 weeks). Previous research has shown that the combination of Acipimox with exercise restores the ability of obese people to burn fat during moderate-intensity cycling exercise. It is now important to test whether Acipimox also increases the ability to burn muscle fat during low-intensity walking in people with prediabetes. If it does, then the next step will be to test whether the combination of Acipimox and walking can lead to improved insulin sensitivity and reduced T2D risk over a longer intervention programme. Twelve people with pre-diabetes will be recruited to undertake two experimental trials in a randomised order. Each trial will involve walking for 45 minutes on a treadmill, with muscle biopsies obtained from the thigh before (basal), immediately following (post-exercise) and 3 h post-exercise. Each trial will be identical, except that participants will ingest either Acipimox or a placebo in a double-blind design. Muscle biopsies will be used to examine differences in muscle fat between the two trials. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03804892
Study type	Interventional
Source	Liverpool John Moores University
Contact
Status	Active, not recruiting
Phase	N/A
Start date	October 1, 2019
Completion date	December 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Can Brisk Walking Combined With Ingestion of a Lipid-lowering Drug Improve Fat Metabolism in Muscle?

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms