# Effects of Bright Light on Co-occurring Cancer-related Symptoms in Breast Cancer Survivors

> **NCT03304587** · NA · COMPLETED · sponsor: **Michigan State University** · enrollment: 30 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **DIAGNOSTIC_TEST:** Polysomnography (PSG)
- **DIAGNOSTIC_TEST:** Rectal thermistor 400 Series
- **OTHER:** Bright blue-green light
- **OTHER:** Dim red light
- **DIAGNOSTIC_TEST:** Digital foot candle datalogging light meter
- **OTHER:** Patient-Reported Outcomes Measurement Information System (PROMIS)-Cancer-Fatigue
- **OTHER:** Patient-Reported Outcomes Measurement Information System (PROMIS)-Sleep Disturbance
- **OTHER:** Patient-Reported Outcomes Measurement Information System (PROMIS)-Depression
- **OTHER:** Patient-Reported Outcomes Measurement Information System (PROMIS)-Physical Function
- **OTHER:** Pittsburgh Sleep Quality Index (PSQI)
- **OTHER:** Center for Epidemiological Studies - Depression
- **OTHER:** Montreal Cognitive Assessment (MoCA)
- **OTHER:** European Organization for Research and Treatment of Cancer-Quality of Life Questionnaire (EORTC QLQ-C30)
- **OTHER:** Daily Log

## Key facts

- **NCT ID:** NCT03304587
- **Lead sponsor:** Michigan State University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-11-06
- **Primary completion:** 2022-08-31
- **Final completion:** 2022-08-31
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2025-06-10

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03304587

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03304587, "Effects of Bright Light on Co-occurring Cancer-related Symptoms in Breast Cancer Survivors". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT03304587. Licensed CC0.

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