# A Study of SHR6390 in Combination With Letrozole or Anastrozole in Patients With HR Positive and HER2 Negative Advanced Breast Cancer

> **NCT03966898** · PHASE3 · UNKNOWN · sponsor: **Jiangsu HengRui Medicine Co., Ltd.** · enrollment: 426 (estimated)

## Conditions studied

- Advanced Breast Cancer

## Interventions

- **DRUG:** SHR6390 Tablets
- **DRUG:** Placebo Tablets
- **DRUG:** Letrozole or Anastrozole Tablets

## Key facts

- **NCT ID:** NCT03966898
- **Lead sponsor:** Jiangsu HengRui Medicine Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-07-19
- **Primary completion:** 2022-12-30
- **Final completion:** 2023-12-30
- **Target enrollment:** 426 (ESTIMATED)
- **Last updated:** 2021-06-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03966898

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03966898, "A Study of SHR6390 in Combination With Letrozole or Anastrozole in Patients With HR Positive and HER2 Negative Advanced Breast Cancer". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03966898. Licensed CC0.

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