Phone therapy shows promise for weight loss in obesity study
NCT ID NCT04447313
First seen Nov 25, 2025 · Last updated Jun 23, 2026 · Updated 25 times
Summary
This study tests two types of telephone coaching to help overweight or obese adults lose weight. One method focuses on accepting cravings while making healthy choices, and the other uses standard behavior change techniques. About 418 participants will receive coaching over the phone and track their weight, diet, and activity using a scale and Fitbit.
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This is a summary of
the original study
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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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Contacts and locations
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Locations
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Fred Hutch/University of Washington Cancer Consortium
Seattle, Washington, 98109, United States
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Telephone-based coaching (Acceptance and Commitment Therapy or Standard Behavioral Therapy)
What this could lead to
If successful, this could show that telephone coaching helps people with obesity achieve meaningful weight loss, potentially reducing cancer risk.
What could go wrong
This is a behavioral study, not a drug or cure. Results depend on participant motivation and may not apply to everyone. Weight loss may be modest or not sustained.
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.