Intraperitoneal Oxaliplatin in Combo w IV mFOLFIRI for Peritoneal Carcinomatosis From Colorectal & Appendiceal Cancer (IPOX-FOLFIRI)
Status and phase
Conditions
Treatments
Details and patient eligibility
About
This study is a prospective, multi-center, open-label phase I trial designed to determine the maximun tolerated dose of IP oxaliplatin when given in combination with mFOLFIRI.
Full description
This study is a prospective, multi-center, open-label phase I trial designed to determine the MTD of IP oxaliplatin when given in combination with mFOLFIRI. This will be conducted according to a traditional 3+3 dose-escalation schedule and halted once MTD is established.
After consent and once deemed eligible for trial participation, patients will receive four cycles of study therapy. During therapy, patients will be monitored for dose-limiting toxicities and adverse events. After completion of all four cycles patients will be followed until resolution of any ongoing study treatment-related adverse events, initiation of alternative treatment, and survival.
Study drug treatment will be administered on day one of a 14-day cycle and the DLT evaluation period will be defined as the first three cycles of combination treatment (from cycle one day one to the last day of cycle three). The severity of AEs will be graded according to the NCI-CTCAE version 5.0 A standard 3+3 dose escalation design will be used to determine the maximum tolerated dose (MTD) or recommended phase 2 dose (RP2D) while ensuring the safety and tolerability of the treatment. The study will test three dose levels of oxaliplatin.
Dose Level 2 105 mg/m2 IP every 2 weeks Subjects will be accrued in cohorts of 3 to 6 subjects per dose level starting at Dose Level 0 (85 mg/m2). Escalation will continue until DLT stopping rules are met or the highest dose level is reached.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
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Male or female subject aged ≥ 18 years.
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Histopathologically or cytologically confirmed unresectable colon, rectal or appendiceal adenocarcinoma with synchronous or metachronous (defined as occurring > 6 months after initial diagnosis) peritoneal dissemination of disease. (Stage IV peritoneal-based disease only)
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Patient has active, measurable disease as defined by RECIST 1.1 and assessed by either abdominal CT/MRI.
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Patients must be willing and able as assessed the treating investigator to undergo placement of an IP catheter and a Port-A Cath, if not already present.
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Patients must have known satisfactory cardiopulmonary function as assessed by the treating investigator.
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ECOG Performance Status ≤ 2.
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Adequate organ function as defined as:
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Hematologic:
- Absolute neutrophil count (ANC) > 1200/mm3
- Platelet count > 100,000/mm3
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Hepatic:
- Total Bilirubin ≤ 1.5x institutional upper limit of normal (ULN)
- AST(SGOT)/ALT(SGPT) ≤ 2.5 × institutional ULN
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Coagulation:
- International normalized ratio (INR) ≤ 1.5
- Patients who are therapeutically anticoagulated and whose antithrombotic treatment can be withheld for operation are eligible.
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Renal:
- BUN and serum creatinine within normal limits.
- eGFR ≥50 mL/min/1.73m2 or creatinine clearance ≥50 mL/min by Cockcroft-Gault
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Negative serum or urine pregnancy test at screening for women of childbearing potential.
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Highly effective contraception for both male and female subjects throughout the study and for at least 30 days after last study treatment administration if the risk of conception exists.
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Recovery to baseline or ≤ Grade 1 CTCAE v.5 from toxicities related to any prior treatments, unless AE(s) are clinically non-significant and/or stable on supportive therapy.
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Willing to return for follow-up.
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Able to provide informed consent and willing to sign an approved consent form that conforms to federal and institutional guidelines.
Exclusion criteria
Sensory neuropathy > grade 1 from prior therapy.
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Known low or absent Dipyrimidine Dehydrogenase (DPD) activity.
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Patients with a prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or efficacy assessment of the investigational regimen.
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Patients with metastases outside the peritoneal cavity.
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The subject has uncontrolled, significant intercurrent or recent illness including, but not limited to, the following conditions:
- Patients with a known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, patients should be class 2B or better
- Other clinically significant disorders that would preclude safe study participation.
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Known HIV infection with a detectable viral load within 6 months of the anticipated start of treatment.
-Note: Patients on effective antiretroviral therapy with an undetectable viral load within 6 months of the anticipated start of treatment are eligible for this trial.
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Known chronic hepatitis B virus (HBV) or hepatitis C virus infection with a detectable viral load.
-Note: Patients with an undetectable HBV viral load on appropriate suppressive therapy are eligible. Patients with an undetectable HCV viral load on appropriate treatment are eligible.
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Live vaccinations, except flu and COVID within 4 weeks of cycle one day one and while on trial.
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Known prior severe hypersensitivity to platinum compounds, any of the investigational medication or any component in its formulations (NCI CTCAE v5.0 Grade ≥ 3).
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Subjects taking prohibited medications as described in Section 6.4.2. A washout period of prohibited medications for a period of at least 5 half-lives or 4 weeks, whichever is shorter, should occur prior to the start of treatment.
Trial design
Primary purpose
Allocation
Interventional model
Masking
1 participants in 3 patient groups
Trial contacts and locations
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Data sourced from clinicaltrials.gov
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