# A Phase II Prospective Study of Maastro Applicator Brachytherapy for Rectal Cancer

Source: https://onco.cc/trials/nct07402486/  
OnCo record `nct07402486` (Trial). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

A phase 2 trial in colorectal cancer, run by Siriraj Hospital, not yet recruiting.

## Summary

A Phase II Prospective Study of Maastro Applicator Brachytherapy for Rectal Cancer is a phase 2, interventional study registered as NCT07402486 by Siriraj Hospital, with a registry enrolment figure of 20 participants, started 2026-03-01 and due to reach its primary completion in 2026-12-31. Interventions recorded: Rectal HDR brachytherapy via Maastro Applicator. Conditions listed: Rectal Cancer. Primary outcome: Clinical Complete Response (cCR) Rate. Colorectal eligibility wording from the registry: "Age ≥ 18 years at the time of informed consent Histologically confirmed rectal cancer Any T, N, or M stage, provided the primary rectal lesion is suitable for endorectal HDR brachytherapy Tumor characteristics deemed suitable for treatment with the Maastro applicator (per investigator assessment) Re". No results are recorded here; the registry entry is the source.

## Fields

- Kind: Trial
- Status: planned
- Last checked: 2026-09-24
- Tags: ctgov-ingest; colorectal-deep-dive
- Registry id: NCT07402486
- Phase: 2
- Setting: A Phase II Prospective Clinical Study to Evaluate the Feasibility, Safety, and Early Efficacy of Maastro Applicator High-Dose-Rate Brachytherapy in Selected Patients With Rectal Cancer
- Sponsor: Siriraj Hospital
- Enrolled: 20

## Sources

- ClinicalTrials.gov NCT07402486: https://clinicaltrials.gov/study/NCT07402486

## Connected records

- cancers: [Rectal cancer](https://onco.cc/cancers/rectal-cancer/)
- terms: [Colorectal cancer trials open today (registry snapshot)](https://onco.cc/terms/colorectal-trials-open-today/)

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