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Completed

NCT Number: NCT02329990

Effect of Phosphorus Supplementation on Body Weight

Phosphorus is a mineral that is naturally present in our foods and is required by our bodies for normal function. It has been found that phosphorus supplementation taken before meals has the potential to reduce meal size. However its long term effect has not been measured yet. It is well accepted that changes in body weight require about 3 months. Using body weight as the outcome, which is the ultimate outcome of weight loss approaches, would provide robust information on the role of phosphorus.

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Key information

Conditions

Body Weight Pathological Conditions, Signs and Symptoms Signs and Symptoms

Age range

18 year–45 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

About this study

A double-blind, randomised, placebo-controlled trial of 63 adults aged 18 to 45 years with a body mass index (BMI) of 25 kg/m2 or higher and normal kidney function at the American University of Beirut. Participants were randomly assigned to the placebo or phosphorus group where daily placebo or phosphorus supplements were ingested with three main meals (breakfast, lunch, and dinner) for a period of 12 weeks. Primary outcomes were changes in anthropometric measures, blood metabolites (including lipid profile, glucose, and insulin), and subjective appetite scores.

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

  • BMI>25
  • CR>1mg/dl for women; Cr >1.2 mg/dl for men
  • GFR >60ml/min/1.73m2

Exclusion criteria

  • BMI<25
  • presence of any significant medical disease,
  • pregnancy or lactation,
  • regular administration of drugs that affect body weight, and
  • weight loss of 3% or more within 3 months of study entry.

Treatment and study plan

phosphorus

Dietary Supplement

phosphorus supplement

Primary outcomes

  1. Body Weight

    Time frame: 3 months

Secondary outcomes

  1. Waist Circumference

    Time frame: 3 months

  2. Appetite Score on the Visual Analog Scale

    Time frame: 6 weeks

Interested in participating?

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Sponsors and collaborators

Lead sponsor

American University of Beirut Medical Center

Other

Registry information

Official study title

Premeal Phosphorus Supplementation for Reducing Energy Intake and Body Weight

Important dates

Study start
2013
Primary completion
2014
Study completion
2014
First posted
Jan 1, 2015
Registry last updated
Jan 8, 2016

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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