# The Effects of Circadian Gene on Sleep and Associated Symptoms in Breast Cancer Patients Under Chemotherapy

> **NCT01887925** · — · COMPLETED · sponsor: **Seoul National University Hospital** · enrollment: 224 (actual)

## Conditions studied

- Breast Neoplasms

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01887925
- **Lead sponsor:** Seoul National University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2012-02
- **Primary completion:** 2015-05
- **Final completion:** 2015-05
- **Target enrollment:** 224 (ACTUAL)
- **Last updated:** 2015-11-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01887925

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01887925, "The Effects of Circadian Gene on Sleep and Associated Symptoms in Breast Cancer Patients Under Chemotherapy". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT01887925. Licensed CC0.

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