# REPROton-HN: Prospective Observational Study on Proton Re-irradiation for Locoregional Recurrences of Head and Neck Tumors

> **NCT07635641** · — · RECRUITING · sponsor: **Istituto Clinico Humanitas** · enrollment: 50 (estimated)

## Conditions studied

- Head & Neck Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07635641
- **Lead sponsor:** Istituto Clinico Humanitas
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2026-05-29
- **Primary completion:** 2031-06
- **Final completion:** 2036-05
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2026-06-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07635641

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07635641, "REPROton-HN: Prospective Observational Study on Proton Re-irradiation for Locoregional Recurrences of Head and Neck Tumors". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07635641. Licensed CC0.

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