# Intelligent Vacuum Assisted Biopsy Immediately Before Surgery As an Intra- or Pre-Operative Surrogate for Patient Response to Neoadjuvant Chemotherapy for Breast Cancer

> **NCT04289935** · NA · RECRUITING · sponsor: **Klinik Hirslanden, Zurich** · enrollment: 420 (estimated)

## Conditions studied

- Breast Cancer

## Interventions

- **PROCEDURE:** Vacuum assisted biopsy (VAB)

## Key facts

- **NCT ID:** NCT04289935
- **Lead sponsor:** Klinik Hirslanden, Zurich
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2020-08-17
- **Primary completion:** 2025-06
- **Final completion:** 2025-06
- **Target enrollment:** 420 (ESTIMATED)
- **Last updated:** 2024-10-23

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04289935

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04289935, "Intelligent Vacuum Assisted Biopsy Immediately Before Surgery As an Intra- or Pre-Operative Surrogate for Patient Response to Neoadjuvant Chemotherapy for Breast Cancer". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04289935. Licensed CC0.

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