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Clinical Trial Summary

Purpose: To determine the feasibility and safety of combining digoxin as a modulator of the hypoxia pathway in combination with FOLinic acid, 5-Fluorouracil, IRINotecan and OXaliplatin (FOLFIRINOX) in patients with resectable pancreatic cancer.


Clinical Trial Description

Methods: Patients with resectable pancreatic cancer will be treated with oxaliplatin 85 mg/m² IV over 2 hours, irinotecan 150 mg/m² given concurrently with folinic acid 400 mg/m² IV over 90 min, followed by a 46-hour infusion of 5-fluorouracil 2400 mg/m². Slow oral digitalization will be used starting with a daily dose of 0.125 (patients over age 65) or 0.25 mg (patients 65 or younger) PO daily. A steady-state will be achieved after five half-lives, which is about 7 to 10 days in the average subject. The initial blood level will be obtained one week after starting digoxin. Assuming the digoxin level is at steady-state and the renal function is stable, there is a linear relationship between digoxin dose and serum concentration. The target digoxin level is between 0.8 to 1.2 ng/mL. Patients will receive IV chemotherapy at 2 week intervals. Restaging imaging will be performed after 4 doses. If the patient has stable or responsive disease, an additional 4 doses will be given followed by restaging imaging. The patient will then undergo surgical exploration ~ 4 weeks after the last dose of chemotherapy. Clinical Endpoints: Primary Endpoints: clinical toxicity. Other endpoints: status of pathologic margins, response rate, pathologic stage, progression-free survival, and overall survival. Correlative Endpoints: Baseline exome sequencing of circulating cell free tumor DNA. Measurement of quantity of circulating cell free tumor DNA at 4 week intervals while on chemotherapy and prior to surgery; resume at 3 month intervals after surgery. Genomic DNA will be collected at baseline for pharmacogenetic studies of polymorphisms that may be pertinent for the drugs used in the study. Blood will be collected for analysis of possible biomarkers of response to digoxin modulation. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04141995
Study type Interventional
Source University of Nebraska
Contact Jessi E Delaney, RN
Phone 402-559-1212
Email jessdelaney@unmc.edu
Status Recruiting
Phase Phase 2
Start date February 12, 2021
Completion date February 2025

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