Prostate Cancer Clinical Trial
Official title:
PSMA-PET for Biopsy and Treatment Guidance in Primary Prostate Cancer
Verified date | April 2023 |
Source | Indiana University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The overall objective of this Early Phase Clinical Trial is to begin defining the accuracy of 68Ga-PSMA-11 for detecting the location and size of clinically significant prostate cancer lesions in low and intermediate risk disease. A molecularly-targeted probe (68Ga-PSMA-11), coupled with an advanced clinical imaging system (Siemens Biograph VisionPET-CT), will improve accuracy during biopsy and staging. We propose detailed intra-lesion whole-mount pathologic analysis as the gold standard for critically assessing PSMA PET accuracy in patients undergoing surgery, and blinded PSMA PET-CT comparison with standard multi-parametric MRI (mpMRI) for patients having biopsy on active surveillance. This intensive testing of the accuracy and value of PSMA-based tracers requires our unique collaboration of surgeons, radiologists, pathologists, and imaging scientists with decades of experience and innovation.
Status | Completed |
Enrollment | 36 |
Est. completion date | May 1, 2022 |
Est. primary completion date | May 1, 2022 |
Accepts healthy volunteers | No |
Gender | Male |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: 1. = 18 years of age 2. Must provide written informed consent 3. Presence of low or intermediate risk prostate cancer or at risk of having intermediate risk cancer a. Intermediate risk prostate cancer: i. Grade group 2 = 3 + 4, or ii. Grade group 3 = 4 + 3 b. At Risk of intermediate risk prostate cancer: i. 4K score = 20%, or ii. Select MDx = 20%, or iii. PSA Density = 0.15 iv. Grade group 1= 3+3 (iv. Note: Where multiple cancer lesions are present on biopsy, it is allowable to have Gleason 8 or 9 cancer lesions if they are in addition to the intermediate risk cancer as described above.) 4. Scheduled for MRI or has recently completed SOC MRI (within 6 months) for further biopsy, or surgical removal, or focal therapy. 5. Willing and able to lie still for approximately 50 minutes in an enclosed space for the CT. Exclusion Criteria: 1. Participation in another investigational trial involving research exposure to ionizing radiation concurrently or within 30 days. 2. Does not meet safety criteria for MRI scan (e.g. metal implant that is not allowed). 3. Significant acute or chronic medical, neurologic, or psychiatric illness in the subject that, in the judgment of the Principal Investigator, could compromise subject safety, limit the subject's ability to complete the study, and/or compromise the objectives of the study. |
Country | Name | City | State |
---|---|---|---|
United States | Indiana University Health North Hospital | Carmel | Indiana |
United States | Indiana University Health Hospital | Indianapolis | Indiana |
United States | Indiana University Health Methodist Hospital | Indianapolis | Indiana |
United States | Indiana University Melvin and Bren Simon Cancer Center | Indianapolis | Indiana |
Lead Sponsor | Collaborator |
---|---|
Indiana University |
United States,
Bahler CD, Green MA, Tann MA, Swensson JK, Collins K, Alexoff D, Kung H, Brocken E, Mathias CJ, Cheng L, Hutchins GD, Koch MO. Assessing extra-prostatic extension for surgical guidance in prostate cancer: Comparing two PSMA-PET tracers with the standard-o — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Diagnostic Accuracy of PSMA PET | Sensitivity and specificity for EPE using whole-mount analysis or biopsy pathology. EPE is extra-prostatic extension which means the cancer extends beyond the boundary of the prostate into adjacent muscle or fatty tissue. | 60 days | |
Secondary | Impact of PSMA PET-CT on Treatment Plan for Surgery or Biopsy | Does the PSMA-PET change the treatment or biopsy decision. The surgeon will look at imaging prior to a procedure (prostatectomy, HIFU, or biopsy) to see if it informs the procedure steps. Does the imaging add new information about the cancer that could alter the biopsy or treatment? PSMA-PET scans were obtained in 3 different contexts as listed below (prior to prostate removal, screening for cancer or on active surveillance, and prior to focal therapy). We calculate the percentage of cases that had the treatment or followup plan altered by the investigational imaging agent. For example, if the PET imaging showed cancer was organ confined, then the surgeon may elect to increase the nerve sparing. For the active surveillance group, if this PET imaging showed a new lesion in the prostate, when compared to ultrasound or MRI, then the biopsy may have been altered to target this new lesion. For focal therapy, the treatment could be expanded to ensure any new PET lesions are covered. |
60 days |
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