Shining a light on cancer fatigue: bright light therapy tested in prostate cancer trial

NCT ID NCT05869682

Recruiting now Symptom relief Sponsor: City of Hope Medical Center Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This phase 2 trial tests whether wearing bright white light glasses can reduce fatigue and improve mood in men with advanced prostate cancer who are on hormone therapy. The study will compare immediate use of the light therapy to delayed use in 210 participants. The goal is to help men manage side effects so they can continue their cancer treatment without interruption.

What this could mean

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

Active substance: bright white light therapy
What this could lead to: If it works, this could offer a simple, drug-free way to manage fatigue and mood issues during prostate cancer treatment, helping men stick with their therapy.
What could go wrong: This is a mid-stage trial with 210 participants, so results are not yet proven. The benefit may be small or not apply to everyone, and light therapy can cause eye strain or headaches.

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.

metastatic prostate carcinoma prostate cancer prostate carcinoma

As listed by the trial registrant

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

ADVANCED PROSTATE CARCINOMA METASTATIC PROSTATE CARCINOMA PROSTATE CARCINOMA STAGE III PROSTATE CANCER AJCC V8 STAGE IV PROSTATE CANCER AJCC V8

Contacts and locations

Locations

City of Hope Medical Center
RECRUITING

Duarte, California, 91010, United States

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