# A Prospective Feasibility Study Evaluating Extracellular Vesicles Obtained by Liquid Biopsy for Neoadjuvant Treatment Response Assessment in Rectal Cancer

> **NCT04852653** · — · ACTIVE_NOT_RECRUITING · sponsor: **University Hospital, Bordeaux** · enrollment: 58 (actual)

## Conditions studied

- Rectal Cancer
- Liquid Biopsy

## Interventions

- **PROCEDURE:** Supplementary blood samples collection during the normal follow up of the patients

## Key facts

- **NCT ID:** NCT04852653
- **Lead sponsor:** University Hospital, Bordeaux
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-09-21
- **Primary completion:** 2026-03
- **Final completion:** 2026-03
- **Target enrollment:** 58 (ACTUAL)
- **Last updated:** 2025-07-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04852653

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04852653, "A Prospective Feasibility Study Evaluating Extracellular Vesicles Obtained by Liquid Biopsy for Neoadjuvant Treatment Response Assessment in Rectal Cancer". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04852653. Licensed CC0.

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