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NCT01558921 · OUTCOME

Number of Patients With Negative CRM Negative

Rectal Cancer And Pre-operative Induction Therapy Followed by Dedicated Operation. The RAPIDO Trial · Source last updated 2026-05-01

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Measure
COUNT_OF_PARTICIPANTS
Unit
Participants
Interval / dispersion
Not reported
Time frame
30 days after surgery

What was measured

Number of patients with a Circumferential Resection Margin (CRM) \> 1 mm

Analysis population: Patients with a resection within 6 months after the end of preoperative treatment

Groups in this outcome

B: 5x5Gy -> CAPOX -> Surgery

Experimental group B: 5x5Gy -\> CAPOX -\> Surgery

A: 5 Weeks Chemoradiation -> Surgery

Control group A: 5 Weeks Chemoradiation -\> Surgery

Group identifiers and denominators belong to this outcome only. They may differ in another outcome or in safety reporting.

Analysis denominator · Participants

GroupSource count
B: 5x5Gy -> CAPOX -> Surgery423
A: 5 Weeks Chemoradiation -> Surgery398

Reported measurements

Source class 1

CRM > 1mm

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
B: 5x5Gy -> CAPOX -> Surgery385Not reportedNot reportedNot reportedNot reported
A: 5 Weeks Chemoradiation -> Surgery363Not reportedNot reportedNot reportedNot reported

CRM <= 1 mm

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
B: 5x5Gy -> CAPOX -> Surgery38Not reportedNot reportedNot reportedNot reported
A: 5 Weeks Chemoradiation -> Surgery35Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        385
      2. group Id
        OG001
        value
        363
      title
      CRM > 1mm
    2. measurements
      1. group Id
        OG000
        value
        38
      2. group Id
        OG001
        value
        35
      title
      CRM <= 1 mm
denoms
  1. counts
    1. group Id
      OG000
      value
      423
    2. group Id
      OG001
      value
      398
    units
    Participants
description
Number of patients with a Circumferential Resection Margin (CRM) \> 1 mm
groups
  1. description
    Experimental group B: 5x5Gy -\> CAPOX -\> Surgery
    id
    OG000
    title
    B: 5x5Gy -> CAPOX -> Surgery
  2. description
    Control group A: 5 Weeks Chemoradiation -\> Surgery
    id
    OG001
    title
    A: 5 Weeks Chemoradiation -> Surgery
param Type
COUNT_OF_PARTICIPANTS
population Description
Patients with a resection within 6 months after the end of preoperative treatment
reporting Status
POSTED
time Frame
30 days after surgery
title
Number of Patients With Negative CRM Negative
type
SECONDARY
unit Of Measure
Participants

Download exact source JSON → · Snapshot ctgov-results-191f4516d4760045304b24a0

Preserved source evidence · Independent clinical review pending · Not medical advice