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Spots Global Cancer Trial Database for PROSTVAC (PSA-TRICOM) in Preventing Disease Progression in Patients With Localized Prostate Cancer Undergoing Active Surveillance

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Trial Identification

Brief Title: PROSTVAC (PSA-TRICOM) in Preventing Disease Progression in Patients With Localized Prostate Cancer Undergoing Active Surveillance

Official Title: Phase II Randomized, Placebo-Controlled Trial of PROSTVAC (PSA-TRICOM) in Patients With Clinically Localized Prostate Cancer Undergoing Active Surveillance

Study ID: NCT02326805

Study Description

Brief Summary: This randomized phase II trial studies how well PROSTVAC (prostate-specific antigen \[PSA\]-TRICOM) works in preventing disease progression in patients with prostate cancer undergoing active surveillance. Vaccines made from a person's tumor cells may help the body build an effective immune response to kill tumor cells that express PSA.

Detailed Description: PRIMARY OBJECTIVES: I. To determine the effect of rilimogene-galvacirepvec (PROSTVAC) on the change (from pre to post-intervention) in CD8+ positive cells in the stroma adjacent to tumor and within the malignant portion of the prostate biopsies. II. To determine the effect of PROSTVAC on the change in CD4+ positive cells in the stroma adjacent to tumor and within the malignant portion of the prostate biopsies. SECONDARY OBJECTIVES: I. To assess the effect of PROSTVAC on PD-L1 positive cells in the stroma adjacent to tumor and within the malignant portion of the prostate biopsies. II. To assess the correlation between the change in CD8+ and the change in PSA. III. To assess the effect of PROSTVAC on CD8+, CD4+, and PD-L1 positive cells in the benign portion of the prostate biopsies. IV. To assess the effect of PROSTVAC on the change in PSA. V. To assess the effect of PROSTVAC on tumor grade (Gleason score). VI. To assess the effect of PROSTVAC on tumor extent (percent of positive random biopsy cores). VII. To compare the proportion of men on the two study arms with no cancer on post-intervention biopsy. VIII. To assess the effect of PROSTVAC on the size of the dominant lesion on magnetic resonance imaging (MRI) (largest histopathologically confirmed lesion) in the subgroup of patients with MRIs pre and postintervention. IX. To assess the effect of PROSTVAC on circulating 15-Mer PSA-specific, MUC-1 and Brachyury-specific T cells. X. To assess the effect of PROSTVAC on soluble antibodies to tumor-associated antigens. XI. To assess the immunologic effects of PROSTVAC in prostate tissue using multiplex immunofluorescence. XII. To assess the safety and feasibility of PROSTVAC in the active surveillance population. XIII. To assess the effect of PROSTVAC on lower urinary tract symptoms (LUTS) in the active surveillance population. OUTLINE: Patients are randomized to 1 of 2 treatment arms. ARM I: Patients receive rilimogene-galvacirepvec subcutaneously (SC) at baseline and on days 14, 28, 56, 84, 112, and 140. ARM II: Patients receive placebo SC at baseline and on days 14, 28, 56, 84, 112, and 140. After completion of study treatment, patients are followed up for 30 days and then at 6 months.

Keywords

Eligibility

Minimum Age:

Eligible Ages: CHILD, ADULT, OLDER_ADULT

Sex: MALE

Healthy Volunteers: No

Locations

USC / Norris Comprehensive Cancer Center, Los Angeles, California, United States

Cedars Sinai Medical Center, Los Angeles, California, United States

Hoag Memorial Hospital, Newport Beach, California, United States

UC Irvine Health/Chao Family Comprehensive Cancer Center, Orange, California, United States

UC San Diego Medical Center - Hillcrest, San Diego, California, United States

Johns Hopkins Bayview Medical Center, Baltimore, Maryland, United States

NCI - Center for Cancer Research, Bethesda, Maryland, United States

Contact Details

Name: John K Parsons

Affiliation: The University of Arizona Medical Center-University Campus

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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