ABCSG R07 Rectal Cancer Registry

Sponsor
Austrian Breast & Colorectal Cancer Study Group
Study ID
NCT07780305
Status
Not Yet Recruiting

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Conditions

Eligibility Criteria

Sex
ALL
Age
18 Years - N/A
Healthy Volunteers
Not accepted

Study Details

In Austria, patients with rectal cancer that has not spread to other parts of the body are typically treated with either total neoadjuvant therapy (TNT) or immunotherapy, depending on their microsatellite status (DNA repair capacity). However, treatment can vary considerably between hospitals in Austria. These differences may include the type and duration of treatment, as well as the active ingredients used. There are currently no clear recommendations on which exact treatment is best for each specific case. The aim of this observational study is to collect information on the different treatments used in Austria for patients with localized rectal cancer and to document the outcomes of these treatments. Only information and samples collected as part of the patients' routine care will be used for the study. Participation in the study will not change or affect the treatment chosen by the treating physician.

Key Dates

First listed
Aug 21, 2026
Start date
Sep 1, 2026
Status verified
Aug 2026
Primary completion
Feb 1, 2033
Completion
Feb 1, 2033

Study Design

Enrollment
600 participants (estimated)

Arms

  • Arm: Retrospective part
    Participants treated between June 2020 and study start. For dMMR/MSI-H cohort: treated between June 2005 until study start
  • Arm: Prospective part
    Participants treated between study start and three years after study start

Primary Outcome Measure

Treatment Responses (clinical standard therapy) [ Time Frame: At the time of surgery ]

Central Contacts

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