# Retrospective Analysis of Effectiveness and Safety Profile of Anastrozole and Letrozole in HR+ Breast Cancer Patients

> **NCT02812277** · — · UNKNOWN · sponsor: **Tianjin Medical University Cancer Institute and Hospital** · enrollment: 1000 (estimated)

## Conditions studied

- Breast Cancer

## Interventions

- **OTHER:** 

## Key facts

- **NCT ID:** NCT02812277
- **Lead sponsor:** Tianjin Medical University Cancer Institute and Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2016-07
- **Primary completion:** 2017-07
- **Final completion:** 2017-11
- **Target enrollment:** 1000 (ESTIMATED)
- **Last updated:** 2016-06-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02812277

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02812277, "Retrospective Analysis of Effectiveness and Safety Profile of Anastrozole and Letrozole in HR+ Breast Cancer Patients". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT02812277. Licensed CC0.

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