5-Fluorouracil/Leucovorin (5FU/LV) in Combination With Regorafenib in Patients With Metastatic Colorectal Cancer

Recruiting now · Phase 2

Conditions studied: Metastatic Colorectal Cancer (CRC)

In brief

This is a non-inferiority randomized phase II trial investigating the efficacy and safety of 5FU/LV in combination with regorafenib for patients with metastatic colorectal cancer in the third-line setting. Patients will be randomly assigned in a 2:1 ratio between 5FU/LV combined with regorafenib or trifluridine-tipiracil (FTD-TPI) plus bevacizumab. Arm 1 (Treatment Arm) will consist of the 5FU/LV administered to 38 patients as (LV \[400 mg/m² IV over 120 minutes\], followed by 5FU \[400 mg/m² IV bolus then 2400 mg/m² IV infusion over 46 hours\] in 2-week cycles) and regorafenib will be administered dose of 80-120 mg per day with weekly 40 mg per day increases to a maximum of 120 mg per day for 3 weeks on /1 week off until disease progression, up to 12 cycles of treatment. Arm 2 (Control Arm) received by an additional 19 patients, will be given as FTD-TPI, administered orally, BID, at a starting dose of 35 mg/m2 of body-surface area, on days 1 through 5 and on days 8 through 12 every 28 days. Bevacizumab, at a dose of 5 mg per kilogram of body weight, will be administered intravenously on days 1 and 15. The 28-day treatment cycle continued until disease progression or unacceptable toxic effects occurred or consent was withdrawn, up to 12 cycles of treatment.

Key facts

Study ID

NCT06887218

Run by

The Methodist Hospital Research Institute

People needed

57

Starts

2025-05-08

Expected to finish

2029-12-01

Last updated by the study team

2025-08-27

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female ≥18 years of age.
• Histopathological or cytologically confirmed metastatic CRC.
• Failed second-line therapy for metastatic disease.
• A minimum of one measurable disease per RECISTv1.1.
• ECOG performance status of 0-2.
• Life expectancy ≥6 months per treating physician or principal investigator.
• Subjects must be able to understand and be willing to sign the written informed consent form. A signed informed consent form must be appropriately obtained prior to the conduct of any trial-specific procedure.
• Adequate bone marrow, liver and renal function as assessed by the following laboratory requirements:
• a. Total bilirubin ≤ 10 x the upper limits of normal (ULN) b. Alanine aminotransferase (ALT) and aspartate amino-transferase (AST) ≤ 2.5 x ULN (≤ 5 x ULN for subjects with liver involvement of their cancer) c. Alkaline phosphatase limit ≤ 2.5 x ULN (≤ 5 x ULN for subjects with liver involvement of their cancer) d. Serum creatinine ≤ 1.5 x the ULN e. International normalized ratio (INR)/ Partial thromboplastin time (PTT) ≤ 1.5 x ULN. (Subjects who are prophylactically treated with an agent such as warfarin or heparin will be allowed to participate provided that no prior evidence of underlying abnormality in coagulation parameters exists. Close monitoring of at least weekly evaluations will be performed until INR/PTT is stable based on a measurement that is pre-dose as defined by the local standard of care.
• f. Platelet count ≥100000 /mm3, hemoglobin (Hb) ≥9 g/dL, absolute neutrophil count (ANC) ≥1500/mm3. Blood transfusion to meet the inclusion criteria will not be allowed.
• Women of childbearing potential must have a negative serum pregnancy test performed within 7 days prior to the start of study drug. Post-menopausal women (defined as no menses for at least 1 year) and surgically sterilized women are not required to undergo a pregnancy test. The definition of adequate contraception will be based on the judgment of the investigator.
• Subjects (men and women) of childbearing potential must agree to use adequate contraception beginning at the signing of the ICF until at least 2 months after the last dose of study drug as outlined in Appendices 12.2
• The definition of adequate contraception will be based on the judgment of the principal investigator or a designated associate.
• Subject must be able to swallow and retain oral medication.

You may not qualify if…

• 1. Hematology laboratory values of:
• Absolute neutrophil count ≤1000 cells/mm3
• Platelets ≤70,000 cells/mm3
• Hemoglobin ≤9 g/dL
• White blood count ≤3000 cells/mm3. 2. Hepatic laboratory values of aspartate transaminase or alanine aminotransferase:
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• >5 × upper limits of normal (ULN) if the documented history of hepatic metastases; or
• >2.5 × ULN if no liver metastases are present. 3. Serum albumin <5.8 g/dL. 4. Total bilirubin >10 mg/dL. 5. Prothrombin time (PT) or international normalized ratio (INR) >1.5 × ULN. Note: Patients receiving therapeutic doses of anticoagulant therapy may be considered eligible if PT and INR are within the acceptable institutional therapeutic limits.
• Serum creatinine or serum urea >1.5 × ULN. 7. Estimated glomerular filtration rate <50 mL/min. 8. Positive pregnancy test, pregnant, or breastfeeding (female patients only). 9. Any other clinically significant laboratory abnormality that would compromise patient safety or the outcome of the study.
• Any clinically significant and/or uncontrolled cardiac-related abnormality that would compromise patient safety or the outcome of the study including, but not limited to:
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• Arrhythmia
• Bradycardia
• Tachycardia
• Symptomatic valvular disease
• Symptomatic congestive heart failure is classified by New York Heart Association as Class III or IV
• Unstable angina pectoris. 11. Myocardial infarction within the past 6 months from the consent date. 12. Active bleeding diathesis. 13. Current complaints of persistent constipation or history of chronic constipation, bowel obstruction, or fecaloma within the past 6 months from the consent date.
• Known history and/or uncontrolled hepatitis B surface antigen, hepatitis C antibody, or human immunodeficiency virus (HIV)-1 or HIV-2 from the consent date.
• Active or recent (within 3 years) non-colorectal cancer malignancies, except for low-risk, cured cancers (e.g., squamous or basal cell carcinomas, in situ carcinomas, or others deemed non-significant by the investigator).
• Receipt of live, attenuated vaccine (e.g., intranasal influenza, measles, mumps, rubella, varicella) or close contact with someone who has received a live, attenuated vaccine within the past 1 month. Note: Influenza vaccine will be allowed if administered >21 days.
• Receipt of any investigation agent or study treatment within the past 30 days.
• Ongoing infection > Grade 2 NCI-CTCAE V5.0. 19. Symptomatic metastatic brain or meningeal tumors. 20. The presence of a non-healing wound, non-healing ulcer, or bone fracture. 21. Major surgical procedure or significant traumatic injury within 28 days before start of study medication 22. Renal failure that requires hemo-or peritoneal dialysis.
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• Previous assignment to treatment during this study. Subjects permanently withdrawn from study participation will not be allowed to re-enter study.
• Uncontrolled hypertension (systolic pressure >140 mm Hg or diastolic pressure > 90 mm Hg [NCI-CTCAE V5.0] on repeated measurement) despite optimal medical management.

Where it is running

• Houston Methodist Neal Cancer Center — Houston, Texas, United States (enrolling)

Full record on ClinicalTrials.gov

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