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Mycoprotein, Resistance Training, and Hypertrophy — HAM  

Hypertrophy Clinical Trial

Official title:
Does Obtaining the Majority of Dietary Protein From Non-animal Sources Support the Skeletal Muscle Adaptive Response to Structured Resistance Training in Young Men and Women

Clinical Trial Summary

Protein is vital for the preservation of health and optimal adaptation to training. However, animal proteins come with economic and environmental issues. The study will investigate the effect of non-animal vs animal based habitual protein consumption on muscle protein metabolism and changes in muscle mass and function over a longer period of time.

Clinical Trial Description

Protein is vital for the preservation of health and optimal adaptation to training. However, animal proteins come with a number of economic and environmental issues. Accordingly, the investigators need to develop an evidence base for more sustainable dietary proteins to support human nutrition. Mycoprotein is a non-animal protein produced by the continuous fermentation of the fungus Fusarium Venenatum. Previously, in a mechanistic study, it was determined that a single bolus of mycoprotein effectively supports muscle building in both rested and exercised skeletal muscle, to a similar extent as what would be expected of animal proteins. This suggests that similar adaptation of muscle tissue during training could be achieved when protein is obtained from non-animal derived protein sources. The study will investigate the effect of high non-animal vs animal based habitual protein consumption on muscle protein metabolism and changes in muscle mass and function over a longer period of time. Initially, the study will employ a stable isotope tracer to quantify muscle protein synthesis over a period of three days in healthy male and female volunteers. During this time participants will consume a controlled vegan diet or an animal based diet, with daily unilateral resistance exercise. The second phase of the study will employ a 10 week diet and resistance training intervention, with the majority of a participant's protein either coming from animal or non-animal sources. This will determine the ability of a largely non-animal derived diet to support augmentations in muscle size and strength. Briefly, participants will undergo 6 muscle biopsies over the course of an 11 week period. Initial biopsies will quantify muscle protein synthesis. Subsequent biopsies will characterise the adaptive response to the effects of nutrition and exercise. MRI scans will be employed to determine changes in muscle volume, and DXA scans will measure changes in body composition. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03572127
Study type Interventional
Source University of Exeter
Contact
Status Active, not recruiting
Phase N/A
Start date May 16, 2018
Completion date May 1, 2022
View Details
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