# Nanoparticles and Hypofractionated Protontherapy for Reirradiation of Pantumor Relapse

> **NCT04784221** · PHASE2 · WITHDRAWN · sponsor: **Centre Francois Baclesse**

## Conditions studied

- Recurrent Cancer
- Previous Radiation

## Interventions

- **RADIATION:** Radiation by protontherapy associated to nanoparticles injection

## Key facts

- **NCT ID:** NCT04784221
- **Lead sponsor:** Centre Francois Baclesse
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-03
- **Primary completion:** 2027-09
- **Final completion:** 2027-09
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study prematurely terminated following the decision by industrial partner to withdraw from the project (product supply issue).
- **Last updated:** 2025-09-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04784221

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04784221, "Nanoparticles and Hypofractionated Protontherapy for Reirradiation of Pantumor Relapse". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04784221. Licensed CC0.

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