# Pencil Beam Proton Therapy for Recurrences in Anal Cancer Patients Previously Treated With Radiotherapy (DACG 5)

> **NCT05055635** · PHASE2 · RECRUITING · sponsor: **University of Aarhus** · enrollment: 55 (estimated)

## Conditions studied

- Anal Cancer
- Recurrent Anal Cancer

## Interventions

- **RADIATION:** Pencil beam proton therapy

## Key facts

- **NCT ID:** NCT05055635
- **Lead sponsor:** University of Aarhus
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2021-07-07
- **Primary completion:** 2027-07-06
- **Final completion:** 2030-07-06
- **Target enrollment:** 55 (ESTIMATED)
- **Last updated:** 2021-09-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05055635

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05055635, "Pencil Beam Proton Therapy for Recurrences in Anal Cancer Patients Previously Treated With Radiotherapy (DACG 5)". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT05055635. Licensed CC0.

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