Evaluating Trifluridine/Tipiracil Based Chemoradiation in Locally Advanced Rectal Cancer

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-11-04

Study Completion Date

2022-09-02

Brief Summary

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Seamless phase I/II trial with phase I part for determination of maximum tolerated dose (MTD) of Trifluridine/tipiracil, followed by a randomized phase II trial (randomization ratio 2:1) with an experimental arm with Trifluridine/tipiracil based chemoradiotherapy (CRT) and a standard - calibration arm (internal control) with capecitabine CRT flanked by translational research in patients with locally advanced rectal cancer

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Detailed Description

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This is a multicenter randomized seamless phase I/II trial with a phase I for determination of maximum tolerated dose (MTD) of Trifluridine/tipiracil, followed by a randomized phase II trial (randomization ratio 2:1) with an experimental arm with Trifluridine/tipiracil in combination with standard radiotherapy and a standard - calibration arm (internal control) with capecitabine CRT flanked by translational research, designed to assess the clinical performance and efficacy of Trifluridine/tipiracil compared to current standard capecitabine chemoradiation in patients with locally advanced rectal cancer.

The primary clinical objective in phase I is to determine the dosage and feasibility of Trifluridine/tipiracil based chemoradiation and in phase II whether Trifluridine/tipiracil with preoperative chemoradiation improves pathological complete remissions in patients with locally advanced rectal cancer.

The secondary objectives are to evaluate Trifluridine/tipiracil chemoradiation with respect to disease free survival, overall survival, local regional failure, pathological down-staging (ypT0-2N0) rate, tumour regression grade, histopathological R0 resection rate, neoadjuvant rectal score (NAR), and perioperative complication rate. Safety and toxicity, according to NCI CTC AE v5, quality of life and feasibility of the regimen are further secondary objectives that are to be evaluated.

Conditions

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Locally Advanced Rectal Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SEQUENTIAL

Seamless phase I/II trial with phase I part for determination of maximum tolerated dose (MTD) of Trifluridine/tipiracil, followed by a randomized phase II trial (randomization ratio 2:1) with an experimental arm with Trifluridine/tipiracil based chemoradiotherapy (CRT) and a standard - calibration arm (internal control) with capecitabine CRT flanked by translational research

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Trifluridine/tipiracil based radiotherapy

Trifluridine/tipiracil based chemoradiotherapy (CRT)

Group Type EXPERIMENTAL

Trifluridine/tipiracil chemoradiation

Intervention Type COMBINATION_PRODUCT

Trifluridine/tipiracil based chemoradiation

standard calibration arm (internal control)

capecitabine based chemoradiotherapy

Group Type ACTIVE_COMPARATOR

Capecitabine based chemoradiation

Intervention Type COMBINATION_PRODUCT

Capecitabine based chemoradiation

Interventions

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Trifluridine/tipiracil chemoradiation

Trifluridine/tipiracil based chemoradiation

Intervention Type COMBINATION_PRODUCT

Capecitabine based chemoradiation

Intervention Type COMBINATION_PRODUCT

Eligibility Criteria

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Inclusion Criteria

1. Male or female patients with histologically proven adenocarcinoma of the rectum (tumour ≤ 12 cm from the anal verge)
2. Indication for neoadjuvant chemoradiation: clinical tumour stage T3/4 or any node-positive disease (clinical stage according the TNM classification system, based on MRI).
3. No evidence of metastatic disease (as evidenced by negative CT-scan of the chest and abdomen).
4. The disease must be considered either resectable at the time of entry or expected to become resectable after preoperative chemoradiation.
5. Age ≥ 18 years
6. WHO/ECOG Performance Status ≤ 2
7. No prior cytotoxic chemotherapy or radiotherapy for rectal cancer.
8. No prior radiotherapy to the pelvis, for any reason.
9. Presence of adequate contraception in fertile patients. Adequate methods of contraception are: intra-uterine device, hormonal contraception, condom use with spermicide. Pregnant or breastfeeding women are excluded from participation.
10. Adequate bone marrow, hepatic and renal function: Haemoglobin ≥9.0 g/dL (transfusions allowed to achieve or maintain levels), absolute neutrophil count ≥ 1.5 x 109/L, platelet count ≥ 100 x 109/L, ALAT, ASAT ≤ 2.5 x ULN, Alkaline phosphatase ≤ 2.5 x ULN, Total bilirubin ≤1.5 x ULN, Creatinine clearance \> 50 mL/min (calculated according to Cockroft and Gault).
11. Ability to swallow tablets.
12. Written informed consent and patient's agreement to comply with the study protocol.

Exclusion Criteria

1. Previous (within the last 3 years) or concurrent malignancies, with the exception of adequately treated cone-biopsied in situ carcinoma of the cervix or basal cell carcinoma of the skin.
2. Clinically significant (i.e. active) cardiac disease (e.g. congestive heart failure, symptomatic coronary artery disease and cardiac arrhythmia not well controlled with medication) or myocardial infarction within the last 12 months.
3. Known allergy or any other adverse reaction to any of the study drugs or to any related compound.
4. Known significant impairment of intestinal resorption (e.g. chronic diarrhea, inflammatory bowel disease).
5. Pre-existing condition which would deter chemoradiotherapy or radiotherapy, i.e. fistulas, severe ulcerative colitis (particularly patients currently taking sulphasalazine), Crohn's disease, prior adhesions.

Minimum Eligible Age

18 Years

Maximum Eligible Age

85 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No