Calorie showdown: fixed vs variable dieting for weight loss
NCT ID NCT02736669
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested two weight loss programs in 223 overweight or obese adults aged 21-75. One group followed a fixed calorie reduction plan, while the other varied their calorie intake. The goal was to see which approach leads to more weight loss over time.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
calorie reduction (behavioral intervention)
What this could lead to
If it works, this could show which calorie-cutting approach is more effective for weight loss in behavioral programs.
What could go wrong
This is a completed study, but results may not apply to everyone. Weight loss can be hard to maintain long-term.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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University of Alabama at Birmingham, Medical Towers Building
Birmingham, Alabama, 35205, United States