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Clinical Trial Summary

This is an open-label single arm phase 2 study for patients with metastatic pancreatic ductal adenocarcinoma who have not received any prior systemic therapies.


Clinical Trial Description

To determine the efficacy of gemcitabine plus nab-paclitaxel in combination with PVHA and pembrolizumab as measured by progression free survival (PFS).

Hypothesis: The combination of gemcitabine, nab-paclitaxel, PVHA and pembrolizumab will improve PFS compared to the historical control for chemotherapy.

3.2 Secondary Objectives & Hypotheses

1. Objective: To estimate median overall survival (OS)

2. Objective: To determine the overall response rate (ORR) by Response Evaluation Criteria in Solid Tumors (RECIST v1.1).

3. Objective: To determine the toxicity and tolerability of gemcitabine plus nab-paclitaxel with PVHA and pembrolizumab.

Hypothesis: The combination of gemcitabine, nab-paclitaxel, PVHA, and pembrolizumab will be safe and improve OS and ORR compared to the historical control for chemotherapy.

3.3 Exploratory Objective

1. Objective: To evaluate pre-treatment and on-treatment PD-L1 and hyaluronan (HA) status and correlate with PFS, ORR, and OS.

2. Objective: To measure the stromal alterations and stromal degradation of hyaluronan and correlate with clinical benefit.

3. Objective: To quantify the pre-treatment and on-treatment change in immune effector cells and correlate with clinical benefit.

4. Objective: To cryopreserve additional tumor tissue for future analysis, including but not limited to DNA and RNA sequencing.

5. Objective: To create organoid cultures from core biopsy specimens for future studies. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04045730
Study type Interventional
Source Yale University
Contact
Status Withdrawn
Phase Phase 2
Start date November 15, 2019
Completion date July 31, 2021

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