Trial Outcomes & Findings for 68Ga-PSMA-11 PET in Patients With Prostate Cancer (NCT NCT05197257)

NCT ID: NCT05197257

Last Updated: 2023-11-13

Results Overview

Adverse Events (AEs) will be collected and reviewed to monitor for safety. Incidence and severity of AEs and adverse events will be estimated with 95% confidence intervals summarized with descriptive statistics. CTCAE version 5.0 will be used to grade AEs.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

39 participants

Primary outcome timeframe

Immediately after administration and for 1 hour and 30 minutes afterwards

Results posted on

2023-11-13

Participant Flow

Participant milestones

Participant milestones
Measure
Men With Pathologically Proven Prostate Adenocarcinoma
The intervention is a PET scan with the radiolabelled PSMA ligand, 68Ga-PSMA-11. The PET may be combined with a CT scan as a PET/CT or an MRI scan as PET/MRI. 68Ga-PSMA-11 PET/CT will be acquired using a modern digital GE PET/CT scanner or a modern digital PET / MRI scanner. Ga-PSMA-11: The PSMA Sterile Cold Kit, is a kit comprising all needed materials (lyophilized PSMA for PSMA reconstitution, elution vial for Ga and ancillary materials for transfer between vials) to perform a room-temperature radiolabelling of PSMA-11 with Ga. Ga is not part of the kit and should be provided in the form gallium chloride solution following the requirements of the relevant local regulations. PSMA-11 radiolabelled with Ga is administered in patients with prostate cancer recurrence after radical treatment.
Overall Study
STARTED
39
Overall Study
COMPLETED
39
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

68Ga-PSMA-11 PET in Patients With Prostate Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Men With Pathologically Proven Prostate Adenocarcinoma
n=39 Participants
The intervention is a PET scan with the radiolabelled PSMA ligand, 68Ga-PSMA-11. The PET may be combined with a CT scan as a PET/CT or an MRI scan as PET/MRI. 68Ga-PSMA-11 PET/CT will be acquired using a modern digital GE PET/CT scanner or a modern digital PET / MRI scanner. Ga-PSMA-11: The PSMA Sterile Cold Kit, is a kit comprising all needed materials (lyophilized PSMA for PSMA reconstitution, elution vial for Ga and ancillary materials for transfer between vials) to perform a room-temperature radiolabelling of PSMA-11 with Ga. Ga is not part of the kit and should be provided in the form gallium chloride solution following the requirements of the relevant local regulations. PSMA-11 radiolabelled with Ga is administered in patients with prostate cancer recurrence after radical treatment.
Age, Categorical
<=18 years
0 Participants
n=99 Participants
Age, Categorical
Between 18 and 65 years
13 Participants
n=99 Participants
Age, Categorical
>=65 years
26 Participants
n=99 Participants
Age, Continuous
68.7 years
STANDARD_DEVIATION 12.98 • n=99 Participants
Sex: Female, Male
Female
0 Participants
n=99 Participants
Sex: Female, Male
Male
39 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
38 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
Race (NIH/OMB)
Asian
1 Participants
n=99 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=99 Participants
Race (NIH/OMB)
White
34 Participants
n=99 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
n=99 Participants
Region of Enrollment
United States
39 participants
n=99 Participants

PRIMARY outcome

Timeframe: Immediately after administration and for 1 hour and 30 minutes afterwards

Population: All patients observed for safety.

Adverse Events (AEs) will be collected and reviewed to monitor for safety. Incidence and severity of AEs and adverse events will be estimated with 95% confidence intervals summarized with descriptive statistics. CTCAE version 5.0 will be used to grade AEs.

Outcome measures

Outcome measures
Measure
Adverse Events- All Grades
n=39 Participants
Number of Adverse Events (all grades) observed immediately after administration and for 1 hour and 30 minutes afterward.
Initial Treatment Strategy Group- Patient Management
Count of participants with newly diagnosed with prostate cancer whose providers changed the clinical management plan after review of the PSMA PET/CT results.
Subsequent Treatment Strategy Group
Biochemical Recurrence: Rising PSA after definitive therapy with prostatectomy or radiation therapy (external beam or brachytherapy) or other local therapies. Count of participants whose PSMA PET showed more prostate cancer lesions compared to conventional imaging.
Subsequent Treatment Strategy Group- Patient Management
Count of participants whose PSMA PET/CT scans significantly changed patient management plan
All Participants- Initial and Subsequent Strategy
Count of all study participants whose PSMA PET/CT scans did not show additional lesions compared to conventional imaging.
Number of Participants With Adverse Events
0 Participants

SECONDARY outcome

Timeframe: 2 hours

Determine the frequency of positive PSMA PET scans in relation to the PSA value before the PSMA scans and compared to conventional imaging. Results will be summarized descriptively with 95% confidence intervals. Determine rate of overall changes in management by comparing planned management strategy using conventional imaging with executed management strategy incorporating information from 68Ga-PSMA-11 PET/CT, regardless of treatment modality. Analysis: The rate of change in management based on the incorporation of68Ga-PSMA-11 PET/CT results will be expressed as the percentage of total patients imaged in which change in management occurred, regardless of treatment modality. The rate of change in management will also be estimated within each group (initial staging, biochemical recurrence, and pre/post treatment). 95% confidence intervals (CIs) will be used to express precision of the estimates.

Outcome measures

Outcome measures
Measure
Adverse Events- All Grades
n=12 Participants
Number of Adverse Events (all grades) observed immediately after administration and for 1 hour and 30 minutes afterward.
Initial Treatment Strategy Group- Patient Management
n=12 Participants
Count of participants with newly diagnosed with prostate cancer whose providers changed the clinical management plan after review of the PSMA PET/CT results.
Subsequent Treatment Strategy Group
n=27 Participants
Biochemical Recurrence: Rising PSA after definitive therapy with prostatectomy or radiation therapy (external beam or brachytherapy) or other local therapies. Count of participants whose PSMA PET showed more prostate cancer lesions compared to conventional imaging.
Subsequent Treatment Strategy Group- Patient Management
n=27 Participants
Count of participants whose PSMA PET/CT scans significantly changed patient management plan
All Participants- Initial and Subsequent Strategy
n=39 Participants
Count of all study participants whose PSMA PET/CT scans did not show additional lesions compared to conventional imaging.
Compare the Diagnostic Impact of 68Ga-PSMA-11 PET/CT Imaging Over Current Standard of Care Imaging Modalities.
12 Participants
1 Participants
22 Participants
21 Participants
7 Participants

Adverse Events

Men With Pathologically Proven Prostate Adenocarcinoma

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Bennett Chin

University of Colorado

Phone: 720-848-0000

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place