CEND-1, Gemicitabine and Nab-Paclitaxel for Pancreatic Ductal Adenocarcinoma
This is an open-label, multicenter, dose-escalation, safety, pharmacodynamic, pharmacokinetic study of CEND-1 in combination with nabpaclitaxel and gemcitabine administered weekly for three weeks followed by one week off over 28 days. This protocol is designed to evaluate the safety, tolerability, and biologic activity of CEND-1 in patients with metastatic pancreatic ductal adenocarcinoma (PDAC) who are undergoing combination therapy with nabpaclitaxel and gemcitabine. CEND-1 is a tumor-penetrating peptide (scientifically also known as iRGD) that activates a drug transport mechanism specifically in tumors. Study involves an initial dose escalation phase with four different CEND-1 dose levels, first as a monotherapy (during 1-week run-in), followed by combination therapy with nabpaclitaxel and gemcitabine (one 28-day treatment cycle). A subsequent expansion phase with approximately 28 subjects will assess the safety, tolerability and preliminary efficacy of the combination treatment using two different CEND-1 dose levels.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
30
CEND-1 will be provided as concentrate for solution to be administered via IV injection.
Nab-paclitaxel will be provided as solution to be administered via IV infusion.
Gemcitabine will be provided as solution to be administered via IV infusion.
Queen Elizabeth Hospital
Woodville South, South Australia, Australia
Alfred Hospital
Melbourne, Victoria, Australia
St John of God Hospital
Subiaco, Western Australia, Australia
Safe doses of CEND-1 when given alone or in combination with nabpaclitaxel and gemcitabine
Safety and toxicity profile of treatment regimen as measured by grade and frequency of adverse events, graded and documented according to the NCI CTCAE, version 5.0 guidelines
Time frame: Escalation Phase: From Day 1 of the run-in until Day 28 of Cycle 1 (cycle length=28 days)
Optimal Biological Dose (OBD) of CEND-1 when given in combination
OBD will be determined by evaluating biomarkers (such as the tumor marker CA19-9 Response Rate), the ECOG Performance Status and the Disease Control Rate
Time frame: Expansion Phase: from baseline until treatment discontinuation and approximately 30 days after last dose (cycle length=28 days)
Pharmacokinetics of CEND-1 when given alone or in combination with nabpaclitaxel and gemcitabine
Area Under the Concentration-Time Curve of CEND-1 Following Intravenous (IV) Administration
Time frame: Escalation phase: Predose, 3 minutes, 15 min, 30 min, 1 h, 4 h, 8 h postdose on Day 1 of the run-in and Day 1 of Cycle 1
Disease Control Rate (Complete Remission (CR) + Partial Remission (PR) + Stable Disease (SD)) associated with the administration of CEND-1 in combination with nabpaclitaxel and gemcitabine
Time frame: Expansion Phase: from baseline until treatment discontinuation and approximately 30 days after last dose (cycle length=28 days)
Preliminary evidence of anti-tumor activity of CEND-1 when given in combination with nabpaclitaxel bound and gemcitabine by objective radiographic assessment according to RECIST 1.1
Time frame: Expansion Phase: from baseline until treatment discontinuation and approximately 30 days after last dose (cycle length=28 days)
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