Creatine Supplementation on Kidney Function in Resistance-trained Individuals

NCT ID: NCT01817673

Last Updated: 2013-03-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

46 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-07-31

Study Completion Date

2013-02-28

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

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.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Healthy Persons

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

creatine

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

Group Type EXPERIMENTAL

creatine

Intervention Type DIETARY_SUPPLEMENT

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

placebo (dextrose)

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

Group Type PLACEBO_COMPARATOR

placebo

Intervention Type DIETARY_SUPPLEMENT

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

creatine

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

Intervention Type DIETARY_SUPPLEMENT

placebo

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

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.
Minimum Eligible Age

18 Years

Maximum Eligible Age

30 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

University of Sao Paulo

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Bruno Gualano

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Bruno Gualano, Professor

Role: PRINCIPAL_INVESTIGATOR

University of Sao Paulo

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Univsersity of Sao Paulo

São Paulo, São Paulo, Brazil

Site Status

Countries

Review the countries where the study has at least one active or historical site.

Brazil

References

Explore related publications, articles, or registry entries linked to this study.

Lugaresi R, Leme M, de Salles Painelli V, Murai IH, Roschel H, Sapienza MT, Lancha Junior AH, Gualano B. Does long-term creatine supplementation impair kidney function in resistance-trained individuals consuming a high-protein diet? J Int Soc Sports Nutr. 2013 May 16;10(1):26. doi: 10.1186/1550-2783-10-26.

Reference Type DERIVED
PMID: 23680457 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

Creatine & kidney

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.