Status:

RECRUITING

Organ Preservation in Rectal AdenoCa Using Hypofractionated Pelvic RT(Hypo-OPRA)

Lead Sponsor:

Neil Kopek

Collaborating Sponsors:

McGill University Health Centre/Research Institute of the McGill University Health Centre

Conditions:

Colorectal Carcinoma

Eligibility:

All Genders

18-90 years

Phase:

PHASE2

Brief Summary

The combination of preoperative pelvic RT - either long-course chemoradiotherapy (LCCRT) or short-course radiotherapy (SCRT)- followed by surgery has been the standard of care in the curative treatmen...

Detailed Description

At McGill, SCRT is used routinely as a pre-operative radiotherapy schedule for locally advanced adenocarcinomas of the rectum. Likewise SCRT followed by chemotherapy is already used routinely at McGil...

Eligibility Criteria

Inclusion

  • Histologically confirmed invasive adenocarcinoma of the rectum
  • Pelvic MRI defined disease (at least one of the following):
  • mesorectum involved or breached - includes involvement of adjacent organ(s) (T3-T4)
  • Patients are considered medically fit for oncologic resection
  • ECOG performance status 0 or 1
  • No evidence of established metastatic disease (CT chest and abdomen)
  • Absolute neutrophil count \>1.5x109/L; platelets \>100x109/L,
  • Serum transaminase \<3 x ULN;
  • Adequate renal function (Cockroft Gault estimation \>50 mL/min)
  • Bilirubin \<1.5 x ULN
  • Ability to comply with oral medication
  • Willingness and ability to give informed consent and comply with treatment and follow up schedule
  • Age 18 or over

Exclusion

  • Previous chemotherapy
  • Previous radiotherapy to the pelvis (including brachytherapy)
  • Uncontrolled cardiorespiratory comorbidity (includes patients with inadequately controlled angina or myocardial infarction within 6 months of randomisation)
  • T1 or T2 N0 disease without extra-mural venous invasion
  • Unequivocal evidence of metastatic disease (includes resectable metastases)
  • Major impairment of bowel function without defunctioning stoma/ileostomy (baseline grade 3 diarrhoea or clinically significant faecal incontinence
  • Known dihydropyrimidine dehydrogenase deficiency
  • History of another malignancy within the last 5 years except successfully treated basal cell cancer of skin or carcinoma in situ of uterine cervix.
  • Known Gilberts disease (hyperbilirubinaemia)
  • Taking warfarin or phenytoin or sorivudine
  • Gastrointestinal disorder which would interfere with oral therapy and its bioavailability
  • Pregnant, lactating, or pre-menopausal women not using adequate contraception
  • Unfit to receive any study treatment or subsequent surgical resection

Key Trial Info

Start Date :

August 16 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 30 2029

Estimated Enrollment :

35 Patients enrolled

Trial Details

Trial ID

NCT06991465

Start Date

August 16 2023

End Date

June 30 2029

Last Update

May 28 2025

Active Locations (1)

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1

McGill University Health Centre

Montreal, Quebec, Canada, H4A 3J1