Status:

COMPLETED

Protein Requirements in Male and Female Endurance Athletes

Lead Sponsor:

University of Toronto

Conditions:

Increased Metabolic Requirement

Healthy

Eligibility:

All Genders

18-35 years

Phase:

NA

Brief Summary

Protein is an essential macronutrient for post-exercise recovery through its ability to provide the amino acid building blocks that support increased rates of muscle and whole body protein synthesis. ...

Eligibility Criteria

Inclusion

  • Healthy endurance trained runners. Total weekly running distance of greater than 50km/week and perform endurance exercise for more than 5 hours/week.
  • Age 18-35 years old
  • Eumenorrheic over last 3 months (one cycle no longer than 42 days and no shorter than 20 days).
  • Not using hormonal contraceptives (the pill, implants and injections, hormonal intrauterine devices (IUDs), vaginal ring, skin patch).
  • Do not have polycystic ovarian syndrome (PCOS) or other conditions effecting ovarian hormone regularity.
  • Not pregnant within the past year.
  • Must meet the classification of 'superior' aerobic power for their respective age category based on the ACSM criteria; (women age 20-29 years VO2max \>50ml/kg/min and women age 30-35 years VO2max \>46ml/kg/min) (men age 20-29 years VO2max \>56ml/kg/min and men age 30-35 years VO2max \>54ml/kg/min).

Exclusion

  • Inability to meet health and physical activity guidelines according to the CSEP 'Get Active' Questionnaire (Appendix G).
  • Inability to adhere to study protocol requirements relating to diet and exercise (i.e. alcohol and caffeine consumption, training/exercise prior to beginning a study testing day).
  • Regular use of tobacco and/or other recreational drugs/banned substances (i.e. growth hormone, testosterone, marijuana).
  • Self-reported intentional or unintentional weight loss (past 6 months) or plan to lose weight (\>5-10kg).
  • Amenorrhea (self-reported) in the past 3 months.
  • Fewer than 6 menstrual cycles per year.
  • Answering yes to any questions asked within the COVID-19 screening questionnaire until 14 days of being symptom free and/or having a negative COVID-19 test

Key Trial Info

Start Date :

March 8 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 30 2022

Estimated Enrollment :

16 Patients enrolled

Trial Details

Trial ID

NCT04855474

Start Date

March 8 2021

End Date

December 30 2022

Last Update

July 13 2023

Active Locations (1)

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1

Goldring Centre for High Performance Sport

Toronto, Ontario, Canada, M5S2C9