# Sleep, Circadian Hormonal Dysregulation, and Breast Cancer Survival

> **NCT00519168** · — · COMPLETED · sponsor: **Stanford University** · enrollment: 141 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **PROCEDURE:** Urine sample
- **DEVICE:** Electrode sleep recorder
- **PROCEDURE:** phlebotomy

## Key facts

- **NCT ID:** NCT00519168
- **Lead sponsor:** Stanford University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2006-09
- **Primary completion:** 2011-08-31
- **Final completion:** 2011-08-31
- **Target enrollment:** 141 (ACTUAL)
- **Last updated:** 2017-10-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00519168

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00519168, "Sleep, Circadian Hormonal Dysregulation, and Breast Cancer Survival". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT00519168. Licensed CC0.

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