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E-BiTS study

Phase2 study of intrapatient dose-escalation of biweekly trifluridine/tipiracil + bevacizumab for patients with metastatic colorectal cancer refractory to standard therapies - E-BiTS study

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs041220085
Enrollment
36
Registered
2022-11-01
Start date
2022-11-09
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

colorectal cancer

Interventions

Patients will receive biweekly FTD/TPI (35mg twice daily on days 1-5, every 2 weeks) with BEV (5mg/kg on day 1, every 2weeks).Between second cycles and fourth cycles, the dose of FTD/TPI will be escal

Sponsors

Taniguchi Hiroya
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients has been diagnosed with unresectable advanced or recurrent colorectal adenocarcinoma by histopathological diagnosis. 2) The age of patients on registration date is 20 years or older. 3) ECOG PS 0 or 1. 4) Patients have measurable lesions. 5) Patients have a history of refractory or intolerant to the following chemotherapy. (1) All three drugs, fluorinated pyrimidine anticancer drug, oxaliplatin, and irinotecan (2) Angiogenesis inhibitor (bevacizumab, ramucirumab, or aflibercept) (3) Anti-EGFR antibody drug (cetuximab or panitumumab) in RAS wild type (4) BRAF inhibitor (encorafenib) in BRAF mutant (5) Immune checkpoint inhibitors (pembrolizumabor nivolumab) in MSI-H 6) Patients who have not been treated with FTD/TPI. 7) Patients who can take orally 8) Patients are expected to live for 3 months or longer 9) Patients whose latest test values within 14 days before registration meet all of the following. (1) Number of neutrophils >= 1500/mm3 (2) Platelet count >= 75000/mm3 (3) Total bilirubin = 60mL/min (7) Urine protein (test paper method) 1+ or less, or UPC (Urine Protein Creatinine) ratio <= 2.0 10) Patients have given written consent to participate in the study.

Exclusion criteria

Exclusion criteria: 1) Patients with double cancers requiring chemotherapy (excluding hormone therapy) 2) Patients have infectious diseases which need systemic treatment. 3) Patients have difficulty in being enrolled in this study due to clinically problematic mental illness 4) Patients with the following complications (1) Renal failure (2) Cirrhosis / liver failure (3) Chronic lung disease requiring oxygen administration (4) Concomitant with unstable angina (angina whose onset or seizures have worsened within the last 3 weeks) or a history of myocardial infarction within 6 months (5) Other complications that the doctor in charge considers to be serious 5) Patients receiving continuous systemic administration of steroids or immunosuppressants 6) Patients with unstable thromboembolism. 7) Pregnant women, lactating women, women who may be pregnant now, or patients who are not willing to use contraception 8) Patients judged by the investigator to be inappropriate

Design outcomes

Primary

MeasureTime frame
Disease control rate

Secondary

MeasureTime frame
Overall survival: OS Progression free survival: PFS Response rate: RR Relative Dose Intensity: RDI Increase implementation rate Adverse effect (AE) occurrence rate

Contacts

Public ContactMunehiro Wakabayashi

Toho University Omori Medical Center

munehiro.wakabayashi@med.toho-u.ac.jp+81-3-3762-4151

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026