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ABCSG R07 Rectal Cancer Registry (ABCSG R07 RCR)

16 september 2026 uppdaterad av: Austrian Breast & Colorectal Cancer Study Group

ABCSG R07 Rectal Cancer Registry (RCR) - Multicenter Retrospective and Prospective Analysis of Patients With Localized, Non-metastatic Rectal Cancer in Austria

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.

Studieöversikt

Status

Har inte rekryterat ännu

Detaljerad beskrivning

The purpose of this observational study is to establish a registry for locally advanced rectal adenocarcinoma. This registry will document the treatment regimens of participants receiving "total neoadjuvant therapy (TNT)" as well as those with dMMR/MSI-H disease.

The ABCSG R07 Rectal Cancer Registry (RCR) study will provide real-world data that reflect the current therapeutic landscape for participants. Participants who are either treated with "total neoadjuvant therapy (TNT)" or those with dMMR/ MSI-H disease, as well as their response to the respective standard therapy, will be documented.

"Total neoadjuvant therapy (TNT)" is the preferred treatment option for locally advanced rectal adenocarcinoma; however, treatment is carried out according to a different TNT protocol at each hospital or institute.

Since the observational study does not interfere with the course of treatment, neither additional health risks nor any individual benefit from participation in the non-interventional study is to be expected.

This study is being conducted at approx. 6 study sites in Austria, and a total of about 600 participants (retrospective and prospective) will take part. The treating physician selects the treatment/therapy that she/he considers most appropriate for the participant. In the retrospective part participants with localized, non-metastatic rectal cancer treated with total neoadjuvant therapy or participants with dMMR/MSI-H status irrespective of treatment between June 2020 (or June 2005 for dMMR/MSI-H cohort,) and start of this non-interventional study will be enrolled.

In the prospective part participants with localized, non-metastatic rectal cancer treated with total neoadjuvant therapy or participants with dMMR/MSI-H status irrespective of treatment between start of this non-interventional study and three years thereafter will be enrolled.

Studietyp

Observationell

Inskrivning (Beräknad)

600

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

Studieorter

    • State of Salzburg
      • Salzburg, State of Salzburg, Österrike, 5020
        • LKH Salzburg-PMU, Univ. Klinik f. Innere Med III
        • Kontakt:
        • Huvudutredare:
          • Lukas Weiss, MD, Prof.
    • Upper Austria
      • Linz, Upper Austria, Österrike, 4020
        • Kepler Universitätsklinikum Linz
        • Kontakt:
        • Huvudutredare:
          • Gudrun Piringer, MD, MSc
      • Linz, Upper Austria, Österrike, 4010
        • Ordensklinikum Linz - BHS
        • Kontakt:
        • Huvudutredare:
          • Holger Rumpold, MD, Head

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

  • Vuxen
  • Äldre vuxen

Tar emot friska volontärer

Nej

Testmetod

Icke-sannolikhetsprov

Studera befolkning

Multicenter study in Austria of patients with localized non-metastatic rectal cancer treated with total neoadjvuant therapy or dMMR/MSI-H status

Beskrivning

Inclusion Criteria:

  • Female and male participants with age >= 18 years
  • Signed informed consent obtained prior to registration of the participant.
  • Localized rectal cancer treated with TNT or localized, non-metastatic dMMR/MSI-H rectal cancer, irrespective of treatment

Exclusion Criteria:

  • Distant metastases at primary diagnosis

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

Kohorter och interventioner

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

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Treatment Responses (clinical standard therapy)
Tidsram: At the time of surgery
Recording of treatment responses according to clinical standard therapy.
At the time of surgery

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Proportion of different TNT concepts used
Tidsram: From therapy start to Surgery
Treatment details
From therapy start to Surgery
Proportion of participants using immunotherapy
Tidsram: From therapy start to Surgery
From therapy start to Surgery
Proportion of participants using watch & wait therapy
Tidsram: At surgery visit
At surgery visit
Proportion of the surgical techniques used
Tidsram: At surgery
At surgery
Proportion of locoregional recurrences
Tidsram: From therapy start until 3 years from re-staging or end of primary treatment
From therapy start until 3 years from re-staging or end of primary treatment
Proportion of the participants with distant metastases
Tidsram: From therapy start until 3 years from re-staging or end of primary treatment
From therapy start until 3 years from re-staging or end of primary treatment
Event-free survival (EFS)
Tidsram: From therapy start until 3 years from re-staging or end of primary treatment
EFS includes locoregional event, distant metastasis and death
From therapy start until 3 years from re-staging or end of primary treatment
TME-free survival in watch & wait group
Tidsram: From therapy start until 3 years from re-staging or end of primary treatment
From therapy start until 3 years from re-staging or end of primary treatment
Overall survival (OS)
Tidsram: From therapy start until 3 years from re-staging or end of primary treatment
From therapy start until 3 years from re-staging or end of primary treatment
Locoregional event-free survival (LREFS)
Tidsram: From therapy start until 3 years from re-staging or end of primary treatment
locoregional progression, recurrence, regrowth or death
From therapy start until 3 years from re-staging or end of primary treatment
Distant metastasis-free survival (DMFS)
Tidsram: From therapy start until 3 years from re-staging or end of primary treatment
From therapy start until 3 years from re-staging or end of primary treatment
Charlson Comorbidity Index (CCI) Score prior to any treatment start
Tidsram: Baseline
Baseline
ECOG performance status at diagnosis
Tidsram: Diagnosis
Diagnosis
Proportion of resection rates
Tidsram: Surgery
Surgery
Treatment adherence
Tidsram: From therapy start until surgery
From therapy start until surgery

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Samarbetspartners

Utredare

  • Studiestol: Falk Roeder, Prof, MD, Paracelsius Medical University Salzburg
  • Studiestol: Gudrun Piringer, MD, MSc, Johannes Kepler University Linz
  • Studiestol: Lukas Weiss, Prof, MD, Paracelsius Medical University Salzburg

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Beräknad)

1 september 2026

Primärt slutförande (Beräknad)

1 februari 2033

Avslutad studie (Beräknad)

1 februari 2033

Studieregistreringsdatum

Först inskickad

19 augusti 2026

Först inskickad som uppfyllde QC-kriterierna

19 augusti 2026

Första postat (Faktisk)

21 augusti 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

17 september 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

16 september 2026

Senast verifierad

1 september 2026

Mer information

Termer relaterade till denna studie

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

JA

IPD-planbeskrivning

Key-coded personal information from this study may also be used for future ((non-)commercial, (inter-)national) scientific research projects & statistics, provided the respective project is conducted in compliance with accepted standards of ethical principles; the responsible researcher(s)/statistician(s) has/have no legal means to de-identify any key-coded personal information.

Data will be shared with other collaborating academic groups/people & companies who work with the Sponsors, including but not limited to ECs, ABCSG (holder of clin. database) and will be used for study purposes mentioned in protocol & future scientific research projects, if agreed by the participant.

Any data transfer will comply with respective applicable data law/regulations. The use of data must be defined in advance in a project description & SAP, approved by ABCSG Board/Committee and will be transferred acc. with resp. Data Transfer Agreement.

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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