# Usefulness of Ki67 Index in Hormone Receptor-positive Breast Cancer

> **NCT01273415** · — · COMPLETED · sponsor: **Samsung Medical Center** · enrollment: 1070 (actual)

## Conditions studied

- Breast Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01273415
- **Lead sponsor:** Samsung Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2010-08
- **Primary completion:** 2010-12
- **Final completion:** 2011-01
- **Target enrollment:** 1070 (ACTUAL)
- **Last updated:** 2017-05-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01273415

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01273415, "Usefulness of Ki67 Index in Hormone Receptor-positive Breast Cancer". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01273415. Licensed CC0.

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