# Study Estimating Association Between Germline Mutations and PD-L1 Expression in Breast Cancer

> **NCT03495544** · — · UNKNOWN · sponsor: **Tatarstan Cancer Center** · enrollment: 390 (estimated)

## Conditions studied

- Hereditary Breast Cancer

## Interventions

- **DIAGNOSTIC_TEST:** PD-L1 expression

## Key facts

- **NCT ID:** NCT03495544
- **Lead sponsor:** Tatarstan Cancer Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-01-01
- **Primary completion:** 2019-03-17
- **Final completion:** 2019-07-01
- **Target enrollment:** 390 (ESTIMATED)
- **Last updated:** 2018-04-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03495544

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03495544, "Study Estimating Association Between Germline Mutations and PD-L1 Expression in Breast Cancer". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT03495544. Licensed CC0.

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