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Induction Chemotherapy for Locally Advanced Rectal Cancer

NCT04838496 · Status: NOT_YET_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 128

Last updated 2021-04-09

No results posted yet for this study

Summary

Despite developments in the multidisciplinary treatment of patients with locally advanced rectal cancer (LARC), such as the introduction of total mesorectal excision (TME) by Heald et al. and the shift from adjuvant to neoadjuvant (chemo)radiotherapy ((C)RT), local and distant recurrence rates remain between 5-10% and 25-40% respectively. Several studies established tumour characteristics with particularly bad prognosis; it was demonstrated that the occurrence of mesorectal fascia involvement (MRF+), grade 4 extramural venous invasion (EMVI), tumour deposits (TD) and enlarged lateral lymph nodes (LLN) lead to high local and distant recurrence rates and decreased survival when compared with LARC without these particularly negative prognostic factors. This type of LARC is described as high risk LARC (hr-LARC). Achieving a resection with clear resection margins (R0) is an important prognostic factor for local (LR) and distant recurrence (DM) as well as survival. With the aim to further reduce the risk of recurrent rectal cancer, to diminish distant metastasis and to improve overall survival for patients with LARC, induction chemotherapy (ICT) became a growing area of research. The addition of ICT has the ability to induce more local tumour downstaging, possibly leading to resectability of previously unresectable tumours, more R0 resections and less extensive surgery. In the case of a complete clinical response, surgery may even be omitted. ICT may also have the potential to eradicate micrometastases. Hence, increased local downstaging and reducing distant metastatic spread may reduce LR and DM rates and improve survival and quality of life. In recent years, the use of ICT was investigated and showed promising results, but little is known about the addition of ICT in patients with high risk LARC. Since these patients have a particularly bad prognosis, both with regard to locoregional and distant failure, a more intensified neoadjuvant treatment with FOLFOXIRI is anticipated to improve short- and long term results.

Conditions

Interventions

DRUG

FOLFOXIRI Protocol

FOLFOXIRI consists of oxaliplatin, irinotecan, leucovorin and 5-fluorouracil and is administered every 2 weeks: Dosing: * Day 1: irinotecan 165 mg/m2 body-surface area (BSA) intravenously (IV), followed by oxaliplatin 85mg/m2 BSA IV in combination with leucovorin 400mg/m2 BSA, followed by: * Day 1-2: 3200 mg/m2 BSA of continuous 5-fluorouracil IV * Day 3-14: rest days. Both regimen are initially administered for four cycles. In case of responsive or stable disease, a 5th and 6th cycle of FOLFOXIRI will be administered. In case of unacceptable toxicity, the aforementioned dosages can be reduced or one or more chemotherapeutical agents can be omitted at discretion of the medical oncologist and will be noted in the patient's medical file. At discretion of the medical oncologist, a start dosage of 75% of the advised dosage could be considered in patients above 70 years of age.

Sponsors & Collaborators

  • Catharina Ziekenhuis Eindhoven

    lead OTHER

Principal Investigators

  • Pim J.W.A. Burger, MD. PhD. · Catharina Ziekenhuis Eindhoven

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-06-01
Primary Completion
2025-06-01
Completion
2026-06-01

Countries

  • Netherlands

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04838496 on ClinicalTrials.gov