Could eating only during daylight hours improve cancer treatment?

NCT ID NCT06802172

Recruiting now Symptom relief Sponsor: Fred Hutchinson Cancer Center Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jul 30, 2026 · Updated 2 times

Summary

This study tests whether eating only within an 8-hour window (time-restricted eating) can improve how well cancer treatments work and reduce side effects. It involves 100 Alaska Native and American Indian patients with breast or rectal cancer. Participants will follow the eating plan while receiving standard treatment, and researchers will track tumor response and side effects.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: time-restricted eating
What this could lead to: If it works, this could offer a simple, sustainable way to boost cancer treatment effectiveness and reduce side effects without strict dieting.
What could go wrong: This is an early-stage trial with only 100 participants, so results may not apply broadly. Time-restricted eating may be hard to maintain for some, and its benefits are not yet proven.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm cancer HER2 positive breast carcinoma Intermittent Fasting neoplasm rectal cancer rectal neoplasm triple-negative breast carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BREAST CANCER STAGE I BREAST CANCER STAGE II BREAST CANCER STAGE III RECTAL CANCER STAGE II RECTAL CANCER STAGE III RECTAL CANCER STAGE IV SOLID TUMOR CANCER

Contacts and locations

Locations

Alaska Native Medical Center (ANMC)
RECRUITING

Anchorage, Alaska, 99508, United States

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