Vaccine Therapy and 1-MT in Treating Patients With Metastatic Breast Cancer
|The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.|
|ClinicalTrials.gov Identifier: NCT01042535|
Recruitment Status : Completed
First Posted : January 5, 2010
Results First Posted : March 5, 2015
Last Update Posted : April 11, 2018
|Condition or disease||Intervention/treatment||Phase|
|Male Breast Cancer Recurrent Breast Cancer Stage IV Breast Cancer Unspecified Adult Solid Tumor, Protocol Specific||Biological: adenovirus-p53 transduced dendritic cell (DC) vaccine Drug: 1-methyl-d-tryptophan Other: Laboratory biomarker analysis||Phase 1 Phase 2|
I. To determine the maximum tolerated dose (MTD) and safety using Common Terminology Criteria for Adverse Events (CTCAE) version 4.0, of the combination Ad.p53 DC vaccine (adenovirus-p53 transduced dendritic cell vaccine) plus 1-MT in patients with any solid malignancy that has mutated p53 by immunohistochemistry (IHC). (Phase I) II. To determine efficacy (objective response rate) of the combination Ad.p53 DC vaccine plus 1-MT in metastatic breast cancer patients whose tumor expresses mutated p53 by IHC. (Phase II)
I. To collect preliminary data on and study the p53 specific interferon-gamma (IFN-gamma) enzyme-linked immunosorbent spot (ELISPOT) measurement at baseline, week 7 and week 16. (Phase I) II. To collect preliminary data on and study the percentage of p53 specific IFN-gamma ELISPOT responders at week 7 and 16. (Phase II) III. To collect preliminary data on and study progression-free survival on the study treatment. (Phase II) IV. To collect preliminary data on and study response and progression-free survival on the subsequent chemotherapy if administered. (Phase II) V. To collect preliminary data on and study the effects of 1-methyl-D-tryptophan (1-MT) on serum kynurenine, serum tryptophan, C reactive protein, and circulating T-regulatory cells (clusters of differentiation (CD)4+ 25+ CD127low forkhead box P3+ (FoxP3+)) by flow cytometry at each vaccination point on study when compared their corresponding baseline. (Phase II)
OUTLINE: This is a phase I, dose escalation study followed by a phase II study.
Patients receive adenovirus-p53 transduced dendritic cell vaccine intradermally (ID) in weeks 1, 3, 5, and 10, and then every 3 weeks for 6 total doses. Patients also receive 1-methyl-d-tryptophan orally (PO) once daily (QD) on days 1-21. Treatment with 1-methyl-d-tryptophan repeats every 28 days (patients with stable disease) for up to 12 courses in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up at 4 weeks.
|Study Type :||Interventional (Clinical Trial)|
|Actual Enrollment :||44 participants|
|Intervention Model:||Single Group Assignment|
|Masking:||None (Open Label)|
|Official Title:||A Phase 1/2 Study of Ad.p53 DC Vaccine in Combination With 1-methyl-D-tryptophan in Metastatic Solid Tumors and Invasive Breast Cancer|
|Actual Study Start Date :||December 28, 2009|
|Actual Primary Completion Date :||December 1, 2014|
|Actual Study Completion Date :||February 27, 2018|
Experimental: Treatment (vaccine therapy, 1-methyl-d-tryptophan)
Participants receive adenovirus-p53 transduced dendritic cell (Ad.p53-DC) vaccine ID in weeks 1, 3, 5, and 10, and then every 3 weeks for 6 total doses. Participants also receive 1-methyl-d-tryptophan (indoximod) orally (PO) daily (QD) on days 1-21. Treatment with 1-methyl-d-tryptophan repeats every 28 days (patients with stable disease) for up to 12 courses in the absence of disease progression or unacceptable toxicity.
Biological: adenovirus-p53 transduced dendritic cell (DC) vaccine
Given intradermally (ID)
Other Name: Ad.p53-DC vaccine
Given orally (PO)
Other: Laboratory biomarker analysis
- Phase 1 - Maximum Tolerated Dose (MTD) in Milligrams (mg) [ Time Frame: Up to 4 weeks ]MTD of 1-methyl-d-tryptophan (indoximod) given by mouth (PO), twice a day (BID), with up to 6 fixed doses Ad.p53 DC vaccinations every 2 weeks (q2wks). This phase 1 study used a 3+3 design with 7 indoximod dose levels (DL) (100 mg, 200 mg, 400 mg, 800 mg daily (QD) then 800 mg, 1,200 mg, and 1,600 mg PO BID +up to 6 fixed dose Ad.p53 DC vaccinations q2wks. Toxicity was assessed according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) v4.0. The MTD is the highest dose level below the maximally administered dose (MAD) that is safely tolerated among 6 treated patients, that is, 0 or 1 out of 6 patients experiences a dose limiting toxicity (DLT).
- Phase 2 - Number of Participants With Stable Disease In Response to Study Therapy [ Time Frame: Up to 16 weeks ]Stable Disease (SD): Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started.
- Phase 1 - Number of Participants With Objective Response at 6 Weeks [ Time Frame: At 6 weeks ]Immunologic Response defined as Interferon-γ (IFN-γ) p53 T cell specific enzyme-linked immunospot (ELISPOT) assay count Summarized using both point estimates and the 95% exact confidence intervals based on the binomial distribution. Briefly, 2x10^5 mononuclear cells obtained from the peripheral blood of patients will be plated in quadruplicates in 96-well multiscreen mixed cellulose ester (HA) filtration plates, processed and incubated, spots will be visualized. The number of spots will be calculated per 10^6 cells. Untreated peripheral blood mononuclear cells (PBMNC) will represent a negative control and PBMNC stimulated with 10 µg/ml Concanavalin A (ConA) - positive control.
- Phase 2 - Number of Participants With Clinical Benefit From Chemotherapy After Vaccination [ Time Frame: Up to 3 years ]Clinical response rate evaluated using the Response Evaluation Criteria in Solid Tumors (RECIST) criteria. Complete Response (CR): Disappearance of all target lesions. Partial Response (PR): At least a 30% decrease in the sum of the diameter (LD) of target lesions, taking as reference the baseline sum LD. Stable Disease (SD): Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started.
- Phase 2 - Median Progression Free Survival (PFS) in Weeks [ Time Frame: Up to 3 years ]Progressive Disease (PD): Appearance of one or more new lesions and/or unequivocal progression of existing non-target lesions. PFS: Time from study entry to documentation of radiologic progressive disease or death, assessed up to 3 years.
- Phase 2 - Change in Biomarker Level [ Time Frame: Baseline to week 16 ]Biomarkers include serum kynurenine, serum tryptophan, C reactive protein, and circulating T-regulatory cell levels (CD4+ 25+ CD127low forkhead box protein 3+ (FoxP3+). Appropriate t-tests and/or Wilcoxon test will be employed to study changes over time.
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01042535
|United States, Florida|
|H. Lee Moffitt Cancer Center and Research Institute|
|Tampa, Florida, United States, 33612|
|Principal Investigator:||Hatem Soliman||H. Lee Moffitt Cancer Center and Research Institute|