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Effect of Protein Quality During Overreaching in Trained Cyclists

NCT03994198 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 11

Last updated 2019-06-21

No results posted yet for this study

Summary

Athletes frequently undertake periods of intensified training commonly referred to as "overreaching." These training periods acutely decrease performance, with the expectation that performance will rebound and improve after a short recovery. Yet, overreaching does not always improve performance and may be a precursor to overtraining syndrome, a long-term decrement in performance. A nutritional intervention focused on the adoption of 'best practices' for protein feeding (optimal timing, dose, and quality) could help reduce the stress of overreaching, reduce the likelihood of developing overtraining syndrome, and augment adaptations to intensified exercise. While the nutrition study is our main interest, the investigators first want to validate the measurement of exercise performance. Accordingly, this project consists of two related studies: (1) the assessment of short time trials for reliability and validity; and (2) the assessment of optimal protein feeding to decrease the stress of overreaching and improve outcomes following training.

Conditions

  • Muscle Protein Synthesis

Interventions

DIETARY_SUPPLEMENT

Alpha-lactalbumin

A protein fraction of whey protein, higher in tryptophan

DIETARY_SUPPLEMENT

Collagen peptides

Collagen peptides from bovine sources

Sponsors & Collaborators

Principal Investigators

  • Stuart Phillips, PhD · McMaster University

Study Design

Allocation
RANDOMIZED
Purpose
OTHER
Masking
TRIPLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
40 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2017-11-01
Primary Completion
2018-04-01
Completion
2018-08-30

Countries

  • Canada

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03994198 on ClinicalTrials.gov