RecruitingPhase IIIEN originalColorectal cancer

ctDNA-Based Adjuvant Chemotherapy for High-Risk Rectal Cancer

⚠️

This is not medical advice. AI-assisted translation — inaccuracies may occur. Always verify the original and consult your oncologist before taking any steps.

About the trial

The goal of this clinical trial is to investigate whether adjuvant chemotherapy can prevent disease recurrence in patients with high-risk rectal cancer who have detectable ctDNA after surgery. The main research question the REACT study aims to answer is: \- Does adjuvant chemotherapy improve disease-free survival in patients with high-risk rectal cancer with detectable ctDNA after surgery? Interventions: \- Patients with detectable ctDNA after surgery and randomised to the experimental group will be offered adjuvant chemotherapy (4 cycles CAPOX/6 cycles FOLFOX) within 12 weeks after surgery.

Original English text from ClinicalTrials.gov

Who can (and can't) join

✓ Qualifies

  • •Wykryto cząsteczki ctDNA we krwi po operacji.
  • •Wiek 18 lat lub więcej.
  • •Ogólny stan zdrowia dobry (niezależność od pomocy innych osób w codziennych czynnościach).
  • •Pacjent świadomie zgadza się na udział w badaniu.
  • •Rak odbytnicy potwierdzony badaniem histologicznym, wymagający leczenia.
  • •Lekarz ocenia, że pacjent może otrzymać chemioterapię.

✗ Disqualifies

  • •Rak odbytnicy z przerzutami do innych narządów.
  • •Inny nowotwór w ciągu ostatnich 5 lat (z pewnymi wyjątkami).
  • •Niewystarczające usunięcie guza pierwotnego podczas operacji.
  • •Przeciwwskazania do stosowania leków w chemioterapii.

Simplified criteria — AI translation

Trial details

Minimum age
18 Years
Last updated (source)
October 2, 2026
Sex
No restrictions

Therapies / drugs in trial

Locations (25)

Jeroen Bosch Ziekenhuis

's-Hertogenbosch, Netherlands

Ziekenhuisgroep Twente

Almelo, Netherlands

Meander Medisch Centrum

Amersfoort, Netherlands

Amsterdam UMC

Amsterdam, Netherlands

Amphia

Breda, Netherlands

Reinier de Graaf Ziekenhuis

Delft, Netherlands

Albert Schweitzer Ziekenhuis

Dordrecht, Netherlands

Catharina Ziekenhuis

Eindhoven, Netherlands

Admiraal De Ruyter Ziekenhuis

Goes, Netherlands

Martini Ziekenhuis

Groningen, Netherlands

Dijklander Ziekenhuis

Hoorn, Netherlands

Frisius MC

Leeuwarden, Netherlands

Leids Universitair Medisch Centrum (LUMC)

Leiden, Netherlands

Canisius Wilhelmina Ziekenhuis

Nijmegen, Netherlands

Radboud Universitair Medisch Centrum

Nijmegen, Netherlands

Bravis Ziekenhuis

Roosendaal, Netherlands

Erasmus MC

Rotterdam, Netherlands

Franciscus

Rotterdam, Netherlands

Ikazia Ziekenhuis

Rotterdam, Netherlands

Maasstad Ziekenhuis

Rotterdam, Netherlands

Antonius Ziekenhuis Sneek

Sneek, Netherlands

ZorgSaam

Terneuzen, Netherlands

Haaglanden Medisch Centrum

The Hague, Netherlands

Elisabeth-Tweesteden Ziekenhuis

Tilburg, Netherlands

Bernhoven

Uden, Netherlands

Trial contact

Cornelis Verhoef, MD, PhD

Contact information from ClinicalTrials.gov. Contact in English.

Share this trial

Data from ClinicalTrials.gov. AI-assisted translation, last sync: 10/3/2026.

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