# Chemosensitivity During Phases of the Menstrual Cycle in Breast Cancer Patients

> **NCT06273800** · NA · RECRUITING · sponsor: **The Netherlands Cancer Institute** · enrollment: 100 (estimated)

## Conditions studied

- Breast Cancer

## Interventions

- **PROCEDURE:** Blood sample

## Key facts

- **NCT ID:** NCT06273800
- **Lead sponsor:** The Netherlands Cancer Institute
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-10-14
- **Primary completion:** 2035-07-15
- **Final completion:** 2036-07-15
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2025-11-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06273800

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06273800, "Chemosensitivity During Phases of the Menstrual Cycle in Breast Cancer Patients". Retrieved via AI Analytics 2026-09-04 from https://api.ai-analytics.org/clinical/NCT06273800. Licensed CC0.

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