Folfoxiri Plus Bev Followed by Reintroduction of Folfoxiri Plus Bev at Progression Versus Folfox Plus Bev Followed by Folfiri Plus Bev in mCRC

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

UNKNOWN

Clinical Phase

PHASE3

Total Enrollment

654 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-02-26

Study Completion Date

2021-02-28

Brief Summary

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Bev improves the efficacy of first-line chemotherapy in unresectable mCRC. In the phase III TRIBE trial upfront FOLFOXIRI plus bev provided a significant advantage in terms of PFS and RR compared to FOLFIRI plus bev. A trend toward better OS was also evidenced. The second-line treatment was at investigator's choice. A manageable increase in diarrhea, mucositis and neutropenia was reported, while no differences in febrile neutropenia, serious adverse events and toxic deaths were evidenced.

A growing amount of data support the clinical relevance of achieving an early and deep tumor shrinkage.

Phase III TML and BEBYP trials demonstrated that the continuation of bev beyond disease progression combined with a switched chemotherapy regimen provided a significant advantage in terms of OS and PFS.

Based on recent evidences, the partial interruption of the upfront "induction" chemotherapy before disease progression and the prosecution of bev until disease progression as maintenance treatment is a valid strategy in the treatment of mCRC.

On the basis of these considerations, a first-line doublet plus bev followed by a second-line switched doublet (from oxaliplatin to irinotecan and viceversa) plus bev should be considered a standard option for mCRC patients. Only retrospectively collected data are currently available about the efficacy of first-line FOLFOXIRI plus bev followed by second-line rechallenge with FOLFOXIRI plus bev. We therefore designed the present phase III randomized trial of first-line FOLFOXIRI plus bev followed by reintroduction of FOLFOXIRI plus bev at progression versus FOLFOX plus bev followed by FOLFIRI plus bev at progression in first- and second-line treatment of unresectable mCRC patients.

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Detailed Description

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Conditions

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Metastatic Colorectal Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Folfoxiri/bev --> folfoxiri/bev

FOLFOXIRI plus bev (to be repeated every 2 weeks for a maximum of 8 cycles):

Bevacizumab 5 mg/kg iv over 30 minutes, day 1 Irinotecan 165 mg/sqm iv over 60 minutes, day 1 Oxaliplatin 85 mg/sqm iv over 2 hours, day 1 L-Leucovorin 200 mg/sqm iv over 2 hours, day 1 5-fluorouracil 3200 mg/sqm 48 h-continuous infusion, starting on day 1 At the time of disease progression, patients will re-introduce FOLFOXIRI plus bev at the same doses and schedule previously tolerated, for a maximum of 8 cycles. If no progression occurs during FOLFOXIRI plus bev, patients will receive maintenance 5-FU/LV plus bev at the same dose used in the last cycle of the induction treatment.

Group Type EXPERIMENTAL

fluoruracil

Intervention Type DRUG

Oxaliplatin

Intervention Type DRUG

Irinotecan

Intervention Type DRUG

Bevacizumab

Intervention Type DRUG

folfox/bev-->folfiri/bev

mFOLFOX-6 plus bev (to be repeated every 2 weeks for a maximum of 8 cycles) Bevacizumab 5 mg/kg iv over 30 minutes, day 1 Oxaliplatin 85 mg/sqm iv over 2 hours, day 1 L-Leucovorin 200 mg/sqm iv over 2 hours, day 1 5-fluoruracil 400 mg/sqm iv bolus, day 1 5-fluoruracil 2400 mg/sqm 48 h-continuous infusion, starting on day 1

At the time of disease progression patients will receive FOLFIRI plus bev (to be repeated every 2 weeks for a maximum of 8 cycles):

Bevacizumab 5 mg/kg iv over 30 minutes, day 1 Irinotecan 180 mg/sqm iv over 2 hours, day 1 L-Leucovorin 200 mg/sqm iv over 2 hours, day 1 5-fluoruracil 400 mg/sqm iv bolus, day 1 5-fluoruracil 2400 mg/sqm 48 h-continuous infusion.

Group Type ACTIVE_COMPARATOR

fluoruracil

Intervention Type DRUG

Oxaliplatin

Intervention Type DRUG

Irinotecan

Intervention Type DRUG

Bevacizumab

Intervention Type DRUG

Interventions

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fluoruracil

Intervention Type DRUG

Oxaliplatin

Intervention Type DRUG

Irinotecan

Intervention Type DRUG

Bevacizumab

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

Histologically proven diagnosis of colorectal cancer Initially unresectable metastatic colorectal cancer not previously treated with chemotherapy for metastatic disease At least one measurable lesion according to RECIST1.1 criteria Availability of a tumoral sample Male or female of 18-75 years of age ECOG PS \< or = 2 if aged \< 71 years, ECOG PS = 0 if aged 71-75 years Life expectancy of at least 12 weeks Previous adjuvant chemotherapy allowed only if with fluoropyrimidine monotherapy and more than 6 months elapsed between the end of adjuvant and first relapse Neutrophils \>1.5 x 109/L, Platelets \>100 x 109/L, Hgb \>9 g/dl Total bilirubin 1.5 time the upper-normal limits (UNL) of the normal values and ASAT (SGOT) and/or ALAT (SGPT) \<2.5 x UNL (or \<5 x UNL in case of liver metastases) alkaline phosphatase \<2.5 x UNL (or \<5 x UNL in case of liver metastases) Creatinine clearance \>50 mL/min or serum creatinine 1.5 x UNL Urine dipstick of proteinuria \<2+. Patients discovered to have 2+ proteinuria on dipstick urinalysis at baseline, should undergo a 24-hour urine collection and must demonstrate \<1 g of protein/24 hr Will and ability to comply with the protocol Written informed consent to study procedures and to molecular analyses -

Exclusion Criteria

Radiotherapy to any site within 4 weeks before the study Previous adjuvant oxaliplatin-containing chemotherapy Previous treatment with bevacizumab Untreated brain metastases or spinal cord compression or primary brain tumours History or evidence upon physical examination of CNS disease unless adequately treated Symptomatic peripheral neuropathy \> 2 grade NCIC-CTG criteria Serious, non-healing wound, ulcer, or bone fracture Evidence of bleeding diathesis or coagulopathy Uncontrolled hypertension and prior histor of hypertensive crisis or hypertensive encephalopathy Clinically significant (i.e. active) cardiovascular disease for example cerebrovascular accidents (≤6 months), myocardial infarction (≤6 months), unstable angina, New York Heart Association (NYHA) grade II or greater congestive heart failure, serious cardiac arrhythmia requiring medication Significant vascular disease (e.g. aortic aneurysm requiring surgical repair or recent arterial thrombosis) within 6 months of study enrolment Any previous venous thromboembolism \> NCI CTCAE Grade 3 History of abdominal fistula, GI perforation, intra-abdominal abscess or active GI bleeding within 6 months prior to the first study treatment.

Current or recent (within 10 days prior to study treatment start) ongoing treatment with anticoagulants for therapeutic purposes Chronic, daily treatment with high-dose aspirin (\>325 mg/day) Treatment with any investigational drug within 30 days prior to enrollment or 2 investigational agent half-lives (whichever is longer) Other co-existing malignancies or malignancies diagnosed within the last 5 years with the exception of localized basal and squamous cell carcinoma or cervical cancer in situ Major surgical procedure, open biopsy, or significant traumatic injury within 28 days prior to study treatment start, or anticipation of the need for major surgical procedure during the course of the study Lack of physical integrity of the upper gastrointestinal tract, malabsorption syndrome, or inability to take oral medication

Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No