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NCT Number: NCT03372876

Protein Timing, Lean Mass, Strength and Functional Capacity Gains in Postmenopausal Women

This study evaluated the effect of protein intake immediately after resistance exercise on lean mass, strength, and functional capacity gains in postmenopausal women. Participants were randomly assigned to protein-carbohydrate group (PC) (n=17), that ingested 30 g of whey protein immediately after exercise and 30 g of maltodextrin in the afternoon; and to carbohydrate-protein group (CP) (n=17), that ingested 30 g of maltodextrin immediately after exercise and 30 g of whey protein in the afternoon. Both groups performed the same resistance training protocol in the morning.

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Key information

Conditions

Sarcopenia Atrophy Muscular Atrophy Nervous System Diseases Neurologic Manifestations Neuromuscular Manifestations Pathological Conditions, Anatomical Pathological Conditions, Signs and Symptoms Signs and Symptoms

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Erick P. de Oliveira

Uberlândia, Minas Gerais, 38.405-320, Brazil

About this study

Both groups performed the same training protocol, differing only the time of protein or carbohydrate supplementation. The dietary assessment was made through the 24-hour food recall, being conducted at the beginning, middle and end of the intervention. Resistance exercises for upper and lower limbs will be performed, at 70% of one repetition maximum. One maximum repetition (1-RM), handgrip strength and 1-mile walk were performed.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Women in the postmenopausal period (menopausal for at least one year, confirmed by laboratory diagnostic tests menopause - LH and high FSH and estradiol decreased);
  • Healthy;
  • Who agree to participate and sign the consent term.

Exclusion criteria

  • The one who does not provide the necessary information for the development of the study;
  • Present orthopedic limitations;
  • Patients with previously diagnosed and treatment of diseases such as type II diabetes mellitus, hypertension and cardiovascular disease.

Treatment and study plan

Protein and carbohydrate supplementation

Dietary Supplement

Participants were randomly assigned to protein-carbohydrate group (PC) (n=17), that ingested 30 g of whey protein immediately after exercise and 30 g of maltodextrin in the afternoon; and to carbohydrate-protein group (CP) (n=17), that ingested 30 g of maltodextrin immediately after exercise and 30 g of whey protein in the afternoon. Both groups performed the same resistance training protocol in the morning, 3 times a week, at 70% of 1-maximum repetition (1-RM) during 8 weeks.

Other names: Resistance exercise

Primary outcomes

  1. Changes in the lean mass of postmenopausal women practicing resistance exercise

    Time frame: Before and immediately after the intervention (initial moment and 8 weeks after start of the intervention)

Secondary outcomes

  1. Changes on strength of postmenopausal women practicing resistance exercise

    Time frame: Before and immediately after the intervention (initial moment and 8 weeks after start of the intervention)

  2. Changes on functional capacity of postmenopausal women practicing resistance exercise

    Time frame: Before and immediately after the intervention (initial moment and 8 weeks after start of the intervention)

Sponsors and collaborators

Lead sponsor

Federal University of Uberlandia

Other

Registry information

Official study title

Protein Intake Immediately After Resistance Exercise Does Not Promote Additional Increase on Lean Mass, Strength and Functional Capacity in Postmenopausal Women: a Randomized Clinical Trial

Important dates

Study start
2017
Primary completion
2017
Study completion
2017
First posted
Dec 14, 2017
Registry last updated
Dec 15, 2017

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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