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Immune Checkpoint Inhibitors

200 mg/m2 is to be administered as a 30 minute IV infusion one day prior to GVAX Pancreas Vaccine every 21 days for a total of 8 doses. In the extended treatment phase, eligible patients may receive 200 mg/m2 as a 30 minute IV infusion one day prior to GVAX Pancreas Vaccine every 6 months for an additional 4 doses.

2.5E8 cells of each cell line (Panc 6.03/Panc 10.05) for a total of 5E8 cells is to be administered one day after CY and pembrolizumab for a total of 8 doses. In the extended treatment phase, eligible patients may receive 2.5E8 cells of each cell line (Panc 6.03/Panc 10.05) for a total of 5E8 cells administered one day after CY every 6 months for an additional 4 doses.

GVAX Pancreatic Cancer Vaccine

200 mg will be administered as a 30 minute IV infusion one day prior to the GVAX pancreas vaccine every 21 days for a total of 8 doses. In the extended treatment phase, eligible patients may receive 200 mg as a 30 minute IV infusion every 21 days for an additional 9 doses.

Patients will receive SBRT (6.6 Gy for 5 days) with the second dose of combined immunotherapy (CY/Pembrolizumab/GVAX Pancreas Vaccine).

SBRT

Lei Zheng, MD, PhD

This study will be looking at whether combining cyclophosphamide, pembrolizumab (an antibody that blocks negative signals to T cells), GVAX (pancreatic cancer vaccine), and SBRT (focused radiation) is effective (anti-tumor activity) and safe in patients with locally advanced pancreatic cancer.

Study With CY, Pembrolizumab, GVAX Pancreas Vaccine, and SBRT in Patients With Locally Advanced Pancreatic Cancer

A Phase II Study of GM-CSF Secreting Allogeneic Pancreatic Cancer Vaccine in Combination With PD-1 Blockade Antibody (Pembrolizumab) and Stereotactic Body Radiation Therapy (SBRT) for the Treatment of Patients With Locally Advanced Adenocarcinoma of the Pancreas

DMFS is defined as the duration of time from start of treatment to identification of distant metastases on imaging or death, whichever occurs first. Estimation based on the Kaplan-Meier curve.

When calculating the incidence of AEs, each AE (as defined by NCI CTCAE v4.03) will be counted only once for a given subject.

Merck Sharp & Dohme LLC

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Adverse reporting collection was conducted by regular investigator assessment and laboratory measurements using NCI CTCAE v4.03. During the survival follow-up portion of the trial, participants were evaluated for all-cause mortality past the time frame of treatment and the assessment of adverse events.

Cyclophosphamide: 200 mg/m2 is to be administered as a 30 minute IV infusion one day prior to GVAX Pancreas Vaccine every 21 days for a total of 8 doses. In the extended treatment phase, eligible patients may receive 200 mg/m2 as a 30 minute IV infusion one day prior to GVAX Pancreas Vaccine every 6 months for an additional 4 doses.

GVAX Pancreas Vaccine: 2.5E8 cells of each cell line (Panc 6.03/Panc 10.05) for a total of 5E8 cells is to be administered one day after CY and pembrolizumab for a total of 8 doses. In the extended treatment phase, eligible patients may receive 2.5E8 cells of each cell line (Panc 6.03/Panc 10.05) for a total of 5E8 cells administered one day after CY every 6 months for an additional 4 doses.

Pembrolizumab: 200 mg will be administered as a 30 minute IV infusion one day prior to the GVAX pancreas vaccine every 21 days for a total of 8 doses. In the extended treatment phase, eligible patients may receive 200 mg as a 30 minute IV infusion every 21 days for an additional 9 doses.

SBRT: Patients will receive SBRT (6.6 Gy for 5 days) with the second dose of combined immunotherapy (CY/Pembrolizumab/GVAX Pancreas Vaccine).

Cyclophosphamide, Pembrolizumab, GVAX Pancreas Vaccine, SBRT

Cyclophosphamide: 200 mg/m2 is to be administered as a 30 minute IV infusion one day prior to GVAX Pancreas Vaccine every 21 days for a total of 8 doses. In the extended treatment phase, eligible patients may receive 200 mg/m2 as a 30 minute IV infusion one day prior to GVAX Pancreas Vaccine every 6 months for an additional 4 doses.

GVAX Pancreas Vaccine: 2.5E8 cells of each cell line (Panc 6.03/Panc 10.05) for a total of 5E8 cells is to be administered one day after CY and pembrolizumab for a total of eight doses. In the extended treatment phase, eligible patients may receive 2.5E8 cells of each cell line (Panc 6.03/Panc 10.05) for a total of 5E8 cells administered one day after CY every 6 months for an additional 4 doses.

Pembrolizumab: 200 mg will be administered as a 30 minute IV infusion one day prior to the GVAX pancreas vaccine every 21 days for a total of 8 doses. In the extended treatment phase, eligible patients may receive 200 mg as a 30 minute IV infusion every 21 days for an additional 9 doses.

SBRT: Patients will receive SBRT (6.6 Gy for 5 days) with the second dose of combined immunotherapy (CY/Pembrolizumab/GVAX Pancreas Vaccine).

Age, Categorical

Sex: Female, Male

Race (NIH/OMB)

Lei Zheng MD, PhD

All patients who have received at least two doses of immunotherapy and have had their disease re-evaluated with imaging will be considered evaluable for response.

Distant Metastasis Free Survival (DMFS)

Number of Participants Experiencing a Grade 3 or Above Treatment Related Toxicities

Overall Study

Carcinoma

Neoplasms, Glandular and Epithelial

Neoplasms by Histologic Type

5E8 vaccine cells. The first vaccination is administered 6-8 weeks after surgery. Four to eight weeks following the completion of the last cycle of adjuvant radiation and chemotherapy (chemo-radiation therapy is standard of care and not part of the protocol) eligible patients will receive three additional vaccinations at one month intervals. Patients who continue to remain disease-free will receive a fifth "booster" vaccination, six months following the fourth vaccination

Patients will receive vaccinations consisting of 5E8 vaccine cells. The first vaccination is administered 6-8 weeks after surgery. Four to eight weeks following the completion of the last cycle of adjuvant radiation and chemotherapy (chemo-radiation therapy is standard of care and not part of the protocol) eligible patients will receive three additional vaccinations at one month intervals. Patients who continue to remain disease-free will receive a fifth "booster" vaccination, six months following the fourth vaccination.

GVAX pancreatic cancer vaccine

Daniel A. Laheru, MD

RATIONALE: Vaccines made from gene-modified pancreatic cancer cells may make the body build an immune response to kill tumor cells. Drugs used in chemotherapy, such as fluorouracil, work in different ways to stop tumor cells from dividing so they stop growing or die. Radiation therapy uses high-energy x-rays to damage tumor cells. Giving vaccine therapy together with chemotherapy and radiation therapy after surgery may kill any remaining tumor cells.

PURPOSE: This phase II trial is studying how well giving vaccine therapy together with adjuvant chemoradiotherapy works in treating patients with resected stage I or stage II adenocarcinoma (cancer) of the pancreas.

OBJECTIVES:

Primary

* Determine overall and disease-free survival of patients with resected stage I or II adenocarcinoma of the pancreas treated with adjuvant chemoradiotherapy in combination with GVAX pancreatic cancer vaccine.

Secondary

* Correlate specific in vivo parameters of immune response (post-vaccination delayed-type hypersensitivity reactions to autologous tumor, mesothelin-specific T-cell response, and the degree of local eosinophil, macrophage, and T-cell infiltration at the vaccine site) with clinical responses in patients treated with this regimen.
* Determine the toxic effects associated with intradermal injections of this vaccine in these patients.

OUTLINE: This is an open-label study.

* Post surgery vaccination: Within 8-10 weeks after pancreaticoduodenectomy, patients receive GVAX pancreatic cancer vaccine intradermally (ID) on day 0.
* Adjuvant chemoradiotherapy: Within 16-28 days after the first vaccination, patients receive fluorouracil (5-FU) IV continuously for 3 weeks. Approximately 1-2 weeks after completion of 5-FU, patients receive chemoradiotherapy comprising radiotherapy daily and 5-FU IV continuously for 26-28 weeks. Approximately 3-5 weeks after completion of chemoradiotherapy, patients receive 5-FU IV continuously for 4 weeks. 5-FU repeats every 6 weeks for 2 courses.
* Post chemoradiotherapy vaccination: Within 4-8 weeks after the completion of chemoradiotherapy, patients receive GVAX pancreatic cancer vaccine ID on days 0, 28, 56, and 196.

Treatment continues in the absence of unacceptable toxicity.

Patients are followed every 3 months for 1 year and then every 6 months thereafter.

PROJECTED ACCRUAL: A total of 60 patients will be accrued for this study.

Vaccine Therapy Combined With Adjuvant Chemoradiotherapy in Treating Patients With Resected Stage I or Stage II Adenocarcinoma (Cancer) of the Pancreas

A Safety and Efficacy Trial of Lethally Irradiated Allogeneic Pancreatic Tumor Cells Transfected With the GM-CSF Gene in Combination With Adjuvant Chemoradiotherapy for the Treatment of Adenocarcinoma of the Pancreas

Overall survival in patients treated with adjuvant chemoradiotherapy in sequence with the irradiated allogeneic GM-CSF transfected pancreatic tumor cell lines. Overall survival is defined as time from surgery until death, regardless of cause.

Disease-free Survival in Patients Treated With Adjuvant Chemoradiotherapy in Sequence With the Irradiated Allogeneic GM-CSF Transfected Pancreatic Tumor Cell Lines. DFS is defined as time from surgery until clinical evidence of disease (eg, CT scan) or death due to any cause.

The specific immune parameters include: post-vaccination delayed type hypersensitivity reactions to autologous tumor and the degree of local eosinophil, macrophage, and T cell infiltration at the vaccine site, and mesothelin-specific T cell responses.

National Cancer Institute (NCI)

Age Continuous

United States

Region of Enrollment

Dr. Daniel Laheru

Overall Survival

To Further Identify and Characterize Toxicities Associated With Intradermal Injections of the Vaccine That Were Initially Reported in the Phase 1 Trial.

Estimate the Association of Specific in Vivo Parameters of Immune Response With Clinical Responses in Patients Treated With Combination Chemoradiotherapy Together With the Irradiated Allogeneic GM-CSF Transfected Pancreatic Tumor Cell Lines.

Disease-free Survival

Gemcitabine

Capecitabine

Fluorouracil

Patients receive GVAX pancreatic cancer vaccine intradermally (ID) on day 1 of Cycle 1 and undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive an additional dose of the vaccine (Cycle 2). Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive the vaccine on day 1. Treatment with the vaccine repeats every 28 days for 4 additional cycles.

Patients receive low-dose cyclophosphamide IV on day 0 and GVAX pancreatic cancer vaccine ID on day 1 of Cycle 1. Patients undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive low-dose cyclophosphamide IV on day 0 and the vaccine (Cycle 2). Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive low-dose cyclophosphamide IV on day 0 and the vaccine on day 1. Treatment with cyclophosphamide and the vaccine repeats every 28 days for 4 additional cycles..

Patients receive GVAX pancreatic cancer vaccine ID on day 1 of Cycle 1 and low-dose oral cyclophosphamide twice daily on days 1-7. Patients undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21 (Cycle 2). Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21. Treatment with the vaccine and cyclophosphamide repeats every 28 days for 4 additional cycles.

cyclophosphamide

RATIONALE: Vaccines made from gene-modified tumor cells may help the body build an effective immune response to kill pancreatic cancer cells. Drugs used in chemotherapy, such as cyclophosphamide, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Giving vaccine therapy together with cyclophosphamide may kill more tumor cells. It is not yet known whether vaccine therapy is more effective with or without cyclophosphamide in treating patients with pancreatic cancer.

PURPOSE: This randomized clinical trial is studying the side effects of vaccine therapy and to see how well it works when given with or without cyclophosphamide in treating patients undergoing chemotherapy and radiation therapy for stage I or stage II pancreatic cancer that can be removed by surgery.

OBJECTIVES:

Primary

* To evaluate the safety and feasibility of a GVAX pancreatic cancer vaccine (GM-CSF gene-transfected allogeneic pancreatic cancer vaccine) when administered alone or in combination with a single intravenous dose or daily metronomic oral doses of cyclophosphamide as neoadjuvant and adjuvant treatment in patients with resectable stage I or II adenocarcinoma of the head, neck, or uncinate process of the pancreas.
* To assess the immune cell infiltrates, particularly T-regulatory cells (Tregs) and CD4+ and CD8+ effector T cells, after neoadjuvant GVAX pancreatic cancer vaccination.
* To assess the changes in the number and function of peripheral mesothelin-specific CD8+ T cells and CD4+, FoxP3+, and GITR+ Tregs after each GVAX pancreatic cancer vaccination when administered alone or in combination with a single dose or metronomic doses of cyclophosphamide.

Secondary

* To estimate disease-free and overall survival of patients treated with these regimens.
* To estimate the effect of immune parameters on disease-free and overall survival of these patients.

OUTLINE: Patients are randomized to 1 of 3 treatment arms.

* Arm A: Patients receive GVAX pancreatic cancer vaccine intradermally (ID) on day 1 and undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive an additional dose of the vaccine. Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive the vaccine on day 1. Treatment with the vaccine repeats every 28 days for 4 courses.
* Arm B: Patients receive low-dose cyclophosphamide IV on day 0 and GVAX pancreatic cancer vaccine ID on day 1. Patients undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive low-dose cyclophosphamide IV on day 0 and the vaccine on day 1. Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive low-dose cyclophosphamide IV on day 0 and the vaccine on day 1. Treatment with cyclophosphamide and the vaccine repeats every 28 days for 4 courses.
* Arm C: Patients receive GVAX pancreatic cancer vaccine ID on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7. Patients undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21. Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21. Treatment with the vaccine and cyclophosphamide repeats every 28 days for 4 courses.

Patients undergo blood sample collection periodically for correlative laboratory studies, including immune cell analysis. Immune cell analysis includes monitoring the quantitative change of peripheral blood lymphocytes, including regulatory T cells (Tregs), and functional analysis of T-cell immune response. Tumor tissue samples collected at the time of surgery are analyzed for tumor antigens and infiltrating immune cells by immunohistochemistry and quantitative real-time PCR.

After completion of study treatment, patients are followed periodically.

Vaccine Therapy With or Without Cyclophosphamide in Treating Patients Undergoing Chemotherapy and Radiation Therapy for Stage I or Stage II Pancreatic Cancer That Can Be Removed by Surgery

A Randomized Three-arm Neoadjuvant and Adjuvant Feasibility and Toxicity Study of a GM-CSF Secreting Allogeneic Pancreatic Cancer Vaccine Administered Either Alone or in Combination With Either a Single Intravenous Dose or Daily Metronomic Oral Doses of Cyclophosphamide for the Treatment of Patients With Surgically Resected Adenocarcinoma of the Pancreas

Change in the number and function of peripheral mesothelin-specific CD8+ T cells and CD4+, FoxP3+, and GITR+ Tregs after each GVAX pancreatic cancer vaccination when administered alone or in combination with a single dose or metronomic doses of cyclophosphamide.

OS will be measured from date of randomization until death or end of follow-up (OS will be censored on the date the subject was last known to be alive for subjects without documentation of death at the time of analysis). Estimation based on the Kaplan-Meier curve.

Disease free survival is defined as the time interval from the date of randomization to the date of radiographic evidence of disease recurrence. Estimation based on the Kaplan-Meier curve.

Adverse events were collected through protocol defined mechanisms (i.e. regular investigator assessments and regular laboratory testing)

Patients receive GVAX pancreatic cancer vaccine intradermally (ID) on day 1 of Cycle 1 and undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive an additional dose of the vaccine (Cycle 2). Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive the vaccine on day 1. Treatment with the vaccine repeats every 28 days for 4 additional cycles.

GVAX pancreatic cancer vaccine: Given intradermally

Arm A - GVAX Vaccine Without Cyclophosphamide

Patients receive low-dose cyclophosphamide IV on day 0 and GVAX pancreatic cancer vaccine ID on day 1 of Cycle 1. Patients undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive low-dose cyclophosphamide IV on day 0 and the vaccine (Cycle 2). Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive low-dose cyclophosphamide IV on day 0 and the vaccine on day 1. Treatment with cyclophosphamide and the vaccine repeats every 28 days for 4 additional cycles..

GVAX pancreatic cancer vaccine: Given intradermally

cyclophosphamide: Given IV (Arm B), given orally (Arm C)

Arm B - GVAX Vaccine With IV Cyclophosphamide

Patients receive GVAX pancreatic cancer vaccine ID on day 1 of Cycle 1 and low-dose oral cyclophosphamide twice daily on days 1-7. Patients undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21 (Cycle 2). Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21. Treatment with the vaccine and cyclophosphamide repeats every 28 days for 4 additional cycles.

GVAX pancreatic cancer vaccine: Given intradermally

cyclophosphamide: Given IV (Arm B), given orally (Arm C)

Arm C - GVAX Vaccine With PO Cyclophosphamide

Patients receive GVAX pancreatic cancer vaccine ID on day 1 of Cycle 1 and low-dose oral (PO) cyclophosphamide twice daily on days 1-7. Patients undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21 (Cycle 2). Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21. Treatment with the vaccine and cyclophosphamide repeats every 28 days for 4 additional cycles.

GVAX pancreatic cancer vaccine: Given intradermally

cyclophosphamide: Given IV (Arm B), given orally (Arm C)

Total

Age, Continuous

Ethnicity (NIH/OMB)

Patients receive low-dose cyclophosphamide IV on day 0 and GVAX pancreatic cancer vaccine ID on day 1 of Cycle 1. Patients undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive low-dose cyclophosphamide IV on day 0 and the vaccine (Cycle 2). Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive low-dose cyclophosphamide IV on day 0 and the vaccine on day 1. Treatment with cyclophosphamide and the vaccine repeats every 28 days for 4 additional cycles..

GVAX pancreatic cancer vaccine: Given intradermally

Cyclophosphamide: Given IV

Patients receive GVAX pancreatic cancer vaccine ID on day 1 of Cycle 1 and low-dose oral cyclophosphamide twice daily on days 1-7. Patients undergo pancreaticoduodenectomy on day 15. Approximately 6-10 weeks after surgery, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21 (Cycle 2). Beginning approximately 1 month after vaccination, patients receive standard adjuvant chemoradiotherapy comprising gemcitabine, fluorouracil or capecitabine, and radiotherapy over 26-28 weeks. Beginning approximately 4-8 weeks after the completion of chemoradiotherapy, patients receive the vaccine on day 1 and low-dose oral cyclophosphamide twice daily on days 1-7 and 15-21. Treatment with the vaccine and cyclophosphamide repeats every 28 days for 4 additional cycles.

GVAX pancreatic cancer vaccine: Given intradermally

Cyclophosphamide: Given orally

Safety as Measured by Number of Participants With Treatment-related Grade 3 or 4 Local and Systemic Toxicity as Defined by NCI CTCAE v3.0

Data was not collected for this outcome measure.

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization
Study With CY, Pembrolizumab, GVAX Pancreas Vaccine, and SBRT in Patients With Locally Advanced Pancreatic Cancer	NCT02648282	Pancreatic Canc...	Cyclophosphamid... GVAX Pancreatic... Pembrolizumab SBRT	18 Years -	Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Vaccine Therapy Combined With Adjuvant Chemoradiotherapy in Treating Patients With Resected Stage I or Stage II Adenocarcinoma (Cancer) of the Pancreas	NCT00084383	Pancreatic Canc...	GVAX pancreatic...	18 Years -	Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Vaccine Therapy With or Without Cyclophosphamide in Treating Patients Undergoing Chemotherapy and Radiation Therapy for Stage I or Stage II Pancreatic Cancer That Can Be Removed by Surgery	NCT00727441	Pancreatic Canc...	GVAX pancreatic... cyclophosphamid...	18 Years - 120 Years	Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

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