# Efficacy and Safety of Leuprorelin 3M in Premenopausal Women With Hormone Receptor-positive Breast Cancer

> **NCT04891731** · — · UNKNOWN · sponsor: **Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University** · enrollment: 120 (estimated)

## Conditions studied

- Hormone Receptor-positive Breast Cancer

## Interventions

- **DRUG:** AI or TAM

## Key facts

- **NCT ID:** NCT04891731
- **Lead sponsor:** Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-05
- **Primary completion:** 2023-05
- **Final completion:** 2023-09
- **Target enrollment:** 120 (ESTIMATED)
- **Last updated:** 2021-05-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04891731

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04891731, "Efficacy and Safety of Leuprorelin 3M in Premenopausal Women With Hormone Receptor-positive Breast Cancer". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04891731. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*