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OpenTrials
Completed

NCT Number: NCT01817673

Creatine Supplementation on Kidney Function in Resistance-trained Individuals

There is a claim that creatine supplementation might affect kidney function, especially in those consuming a high-protein diet. The aim of this study was to investigate the effects of creatine supplementation on kidney function in resistance-trained individuals ingesting a high-protein diet.

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Key information

Conditions

Healthy Persons

Age range

18 year–30 year

Sex eligibility

Male

Study type

Interventional

Phase

Not applicable

Primary location

Univsersity of Sao Paulo

São Paulo, 05508-030, Brazil

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

  • participation in recreational resistance training
  • consumption of a high-protein diet (≥ 1.2 g/Kg/d)

Exclusion criteria

  • vegetarian diet
  • use of creatine supplements in the past 6 months
  • chronic kidney disease
  • use of anabolic steroids.

Treatment and study plan

Creatine

Dietary Supplement

20 g/d for 5 d followed by 5 g/d throughout the trial

Placebo

Dietary Supplement

Primary outcomes

  1. kidney function

    Time frame: 3 months

    as assessed by 51Cr-EDTA clearance

Secondary outcomes

  1. proteinuria

    Time frame: 3 months

  2. albuminuria

    Time frame: 3 months

  3. serum urea

    Time frame: 3 months

  4. serum creatinine

    Time frame: 3 months

Sponsors and collaborators

Lead sponsor

University of Sao Paulo

Other

Registry information

Important dates

Study start
2011
Primary completion
2013
Study completion
2013
First posted
Mar 25, 2013
Registry last updated
Mar 25, 2013

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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