- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02250014
The Immuno-Response to Primary Cryotherapy for the Treatment of Prostate Cancer
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
PRIMARY OBJECTIVES:
I. Determine an unknown normal immune response (T cell and B cell) to post-cryotherapy treatment for prostate cancer.
II. Detect the altered immune response (T cell and B cell) post-GM-CSF (sargramostim) response and post-cryotherapy for the prostate cancer.
Patients are randomized to 1 of 2 treatment arms.
ARM I (TREATMENT): Patients undergo cryotherapy on day 0 and receive sargramostim subcutaneously (SC) on days 1, 3, 5, 8, 10, and 12.
ARM II (CONTROL): Patients undergo cryotherapy on day 0.
After completion of study treatment, patients are followed up for 6 months.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
Colorado
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Aurora, Colorado, United States, 80045
- University of Colorado Cancer Center
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients diagnosed with prostate cancer that elect to undergo primary cryotherapy of the prostate
- Patients who are diagnosed with clinical stage T1a -T2c prostate cancer
- Gleason score sum of less than or equal to 7
- Prostate-specific antigen (PSA) < 20 ng/dl
- Patient will read, understand and sign the informed consent and Health Insurance Portability and Accountability Act (HIPAA) agreement
- Patients must have a life expectancy of at least one year
Exclusion Criteria:
- Known hypersensitivity to granulocyte macrophage colony stimulating factor (GM-CSF) or yeast
- Anticipated blood donation within the next 90 days
- Magnetic resonance imaging (MRI), computed tomography (CT) and bone scan evidence of metastatic prostate cancer regardless the PSA level; (the indication for which is clinically driven and at the discretion of the treating physician)
- Any history of current or within the past 48 hours of acute or chronic bacterial, fungal or viral infectious disease
- Documented excessive leukemic myeloid blasts in the bone marrow or peripheral blood (>= 10%) in the past 6 months
- Previous organ transplant
- Immunosuppression including primary, secondary, iatrogenic and idiopathic
- Other serious diseases (hematological, hepatic, renal, respiratory, central nervous system, autoimmune or psychiatric)
- Enrollment in other studies for any disease in the past 30 days
- Diagnosis of cancer that in not considered cured, except basal cell carcinoma (BCC) of skin
- Prior transurethral resection of the prostate with a large tissue defect (at the discretion of the investigator)
- History of abdominoperineal resection for rectal cancer, rectal stenosis, or other major rectal pathology
- Patient currently receiving lithium, steroid, chemotherapy or radiotherapy treatment
- Patients with a Hemoglobin of less than 12%
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Arm I (cryotherapy, sargramostim)
Patients undergo cryotherapy on day 0 and receive sargramostim subcutaneously on days 1, 3, 5, 8, 10, and 12.
|
Given subcutaneously
Other Names:
Undergo cryotherapy
|
Active Comparator: Arm II (cryotherapy, standard of care)
Patients undergo cryotherapy on day 0.
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Undergo cryotherapy
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in B cell response identified by Serametrix assay
Time Frame: Baseline to up to 3 months after cryotherapy
|
A scatter plot of each cytokine and antigen level will be created for each patient by marker to observe the behavior of the markers (rising, falling, flat, or combination over time).
Patient specific pre-operative levels will be used to obtain individual baseline measures from which the difference in follow-up cytokine and antigen levels will be calculated, then a simple descriptive comparison of the mean elevation in the markers' levels across cohorts will be graphed.
|
Baseline to up to 3 months after cryotherapy
|
Change in T cell responses identified by Intracellular cytokine assay and enzyme-linked immunospot
Time Frame: Baseline to up to 3 months after cryotherapy
|
A scatter plot of each cytokine and antigen level will be created for each patient by marker to observe the behavior of the markers (rising, falling, flat, or combination over time).
Patient specific pre-operative levels will be used to obtain individual baseline measures from which the difference in follow-up cytokine and antigen levels will be calculated, then a simple descriptive comparison of the mean elevation in the markers' levels across cohorts will be graphed.
|
Baseline to up to 3 months after cryotherapy
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Change in PSA levels in serum samples
Time Frame: Up to 6 months after cryotherapy
|
Up to 6 months after cryotherapy
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Al Barqawi, University of Colorado, Denver
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 14-0071.cc
- 14-0071 (University of Colorado, Denver)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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