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The study was stopped because of loss of funding and no safety issues
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The primary objective is to confirm clinical safety and feasibility of combining the antigen-loaded Dendritic Cell (DC) vaccine with chemotherapy including folinic acid, oxaliplatin, irinotecan and 5-Fluorouracil (5FU) (FOLFIRINOX) and nab-paclitaxel/gemcitabine in patients with pancreatic cancer.
The secondary objectives of this trial are to determine preliminary clinical efficacy based on response rates, overall survival and progression free survival compared with historic control, and surgical conversion rate as defined as percent of locally advanced (unresectable) patients achieving resectability within 6 months of treatment initiation. Also, to identify vaccine immunogenicity by measuring acquired, T cell-mediated immune activating events post-vaccination and to correlate clinical response with acquired immune responses.
This is a single center, exploratory pilot safety, open label, phase I trial that will evaluate the combination of DC vaccination in 2 groups of patients when combined with chemotherapy including FOLFIRINOX and gemcitabine+nab-paclitaxel in patients with pancreatic cancer. The investigations will accrue 20 evaluable subjects over 20 months with 10 patients in each group. Subjects will be assigned to group 1 or group 2 according to the subject's disease stage.
The protocol will be conducted in two stages:
The 1st 3 patients will be enrolled to either group to receive DC vaccinations combined with standard chemotherapy. A safety analysis will be performed after the first 3 patients have completed 6 vaccines. If no vaccine dose-limiting toxicity occurs in any of the 3 patients then the study will proceed with stage 2. Stage 2 will include the enrollment of the remaining 17 patients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group 1 | Active Comparator | Group 1 will consist of patients with resectable, borderline resectable or locally advanced pancreatic cancer. Group 1 will receive DC Vaccine + Standard of Care Chemotherapy. |
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| Group 2 | Active Comparator | Group 2 will consist of patients with metastatic pancreatic cancer, newly diagnosed/untreated metastatic pancreatic cancer, or metastatic pancreatic cancer who have undergone prior neo-adjuvant therapy. Group 2 will receive DC Vaccine + Standard of Care Chemotherapy. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| DC Vaccine + Standard of Care Chemotherapy | Biological | 4 doses of DC vaccine at 2 weeks interval, combined with either:
The first vaccination will include one intradermal injection of 100 μL at 15 x106 cells/mL in the upper thigh and one subcutaneous injection of 1 mL (15 x 106 cells/mL) . The participants will receive 3 additional subcutaneous vaccinations, each injection of 1 mL at 15 x 106 cells/mL, at 2 weeks interval, on Day 2 of study weeks 3, 5 and 7. Participants will receive 2 booster DC vaccinations subcutaneously of 1 mL at 15x106 cells/mL. |
| Measure | Description | Time Frame |
|---|---|---|
| Safety and feasibility of combining the DC vaccine with chemotherapy DC vaccine dose-limiting toxicities will be measured according to the NCI Common Terminology Criteria for Adverse Events (CTCAE) Version 4.03 | Follow up for toxicity will be recorded for the first 30 days following the last DC vaccination and any long-term toxicity will be followed for 3 years after completing study therapy. | 3 Years |
| Measure | Description | Time Frame |
|---|---|---|
| Objective Response | Overall response rate will be assessed by using standard Response Evaluation Criteria in Solid Tumors (RECIST). | 3 years |
| Overall Survival | Time from the start of therapy to death from any cause. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Carlos Becerra, MD | Charles A. Sammons Cancer Center/Texas Oncology | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Charles A. Sammons Cancer Center | Dallas | Texas | 75246 | United States |
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| ID | Term |
|---|---|
| D010190 | Pancreatic Neoplasms |
| ID | Term |
|---|---|
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D004701 | Endocrine Gland Neoplasms |
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| 3 years |
| Progression Free Survival | Time from enrollment until objective tumor progression or death | 3 Years |
| Average of all changes in Quality of Life (QoL) Score | Quality of Life score will be assessed by using self-administered questionnaires | 3 Years |
| D004066 |
| Digestive System Diseases |
| D010182 | Pancreatic Diseases |
| D004700 | Endocrine System Diseases |