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Gallium-68 PSMA-11 Positron Emission Tomography (PET) Imaging in Patients With Biochemical Recurrence

Gallium-68 PSMA-11 PET Imaging in Patients With Biochemical Recurrence

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03353740
Enrollment
346
Registered
2017-11-27
Start date
2017-09-20
Completion date
2020-09-01
Last updated
2021-10-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prostate Cancer

Brief summary

The investigators are imaging patients with prostate cancer using a new PET imaging agent (Ga-68-PSMA-11) in order to evaluate its ability to detection prostate cancer in patients with biochemical recurrence after prostatectomy and radiation therapy.

Interventions

Patients will be imaged using Ga-68 labeled PSMA-11 PET to determine if the presence of metastatic disease. Prostate Specific Membrane Antigen (PSMA) is a protein expressed on prostate cancer cells that can be imaged using small molecules that target this protocol.

Sponsors

Thomas Hope
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Histopathologically proven prostate adenocarcinoma. * Rising prostate-specific antigen (PSA) (at least two consecutive rising PSAs) after definitive therapy with prostatectomy or radiation therapy (external beam or brachytherapy). * Post radical prostatectomy (RP) - American Urological Association (AUA) recommendation for biochemical recurrence after radical prostatectomy * PSA greater than or equal to 0.2 ng/mL measured more than 6 weeks after RP. * Post-radiation therapy -ASTRO-Phoenix consensus definition of biochemical recurrence after radiation therapy * Nadir + greater than or equal to 2 ng/mL rise in PSA * Karnofsky performance status of \> 50 (or Eastern Cooperative Oncology Group (ECOG)/World Health Organization (WHO) equivalent). * Age \>= 18. * Ability to understand a written informed consent document, and the willingness to sign it.

Exclusion criteria

* Unable to lie flat, still or tolerate a PET scan. * Concomitant investigational therapy. * Patient undergoing active treatment for non-prostate malignancy, other than skin basal cell or cutaneous superficial squamous cell carcinoma that has not metastasized and superficial bladder cancer. * Contraindication to furosemide administration including prior allergy or adverse reaction to furosemide or sulfa drugs. (Note: This

Design outcomes

Primary

MeasureTime frameDescription
True Positive Rate for Detection of Tumor Location in Lymph Nodes Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up1 DayThe true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the lymph nodes using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy, clinical and conventional imaging follow-up. Corresponding two-sided 95% confidence intervals will be constructed using the Wilson score method.
True Positive Rate for Detection of Tumor Location in Visceral Tissue Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up1 DayThe true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the visceral tissue using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy, clinical and conventional imaging follow-up. Corresponding two-sided 95% confidence intervals will be constructed using the Wilson score method.
True Positive Rate for Detection of Tumor Location in Bone Tissue Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up1 DayThe true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the bone tissue using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy, clinical and conventional imaging follow-up. Corresponding two-sided 95% confidence intervals will be constructed using the Wilson score method.
True Positive Rate for Detection of Tumor Location in Prostate Bed Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up1 dayThe true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the prostate bed using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy, clinical and conventional imaging follow-up. Corresponding two-sided 95% confidence intervals will be constructed using the Wilson score method.

Secondary

MeasureTime frameDescription
True Positive Rate for Detection of Tumor Location in Lymph Nodes Confirmed by Histology/Pathology Only1 DayThe true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the lymph nodes using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy only.
True Positive Rate for Detection of Tumor Location in Visceral Tissue Confirmed by Histology/Pathology Only1 DayThe true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the visceral tissue using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy only.
True Positive Rate for Detection of Tumor Location in Bone Tissue Confirmed by Histology/Pathology Only1 DayThe true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the bone tissue using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy only.
True Positive Rate for Detection of Tumor Location in Prostate Bed Confirmed by Histology/Pathology Only1 DayThe true positive rate or detection rate is defined as the proportion of all participants who have prostate cancer detected in the prostate bed using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy only.
PPV for Detection of Tumor Location in Lymph Nodes Confirmed by Histopathology/Biopsy Only1 DayPositive predictive value is the probability that participants with a positive reading truly have prostate cancer in the lymph nodes as confirmed by by histopathology/biopsy
PPV for Detection of Tumor Location in Visceral Tissue Confirmed by Histopathology/Biopsy Only1 DayPositive predictive value is the probability that participants with a positive reading truly have prostate cancer in the visceral tissue as confirmed by by histopathology/biopsy
PPV for Detection of Tumor Location in Bone Tissue Confirmed by Histopathology/Biopsy Only1 DayPositive predictive value is the probability that participants with a positive reading truly have prostate cancer in the bone tissue as confirmed by by histopathology/biopsy
Positive Predictive Value (PPV) for Detection of Tumor Location in Lymph Nodes Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up.1 DayPositive predictive value is the probability that participants with a positive reading truly have prostate cancer in the lymph nodes as confirmed by by histopathology/biopsy, clinical and conventional imaging follow-up.
Detection Rate of 68Ga-PSMA-11 PET Stratified by Prostate-specific Antigen (PSA) Value1 DayDetection rate (sensitivity) on a per-patient basis of 68Ga-PSMA-11 PET stratified by PSA value (0.2- \<0.5, 0.5 - \<1.0, 1.0 - \<2.0, 2.0 - \<5.0, \>=5.0) will be summarized in tabular format for participants with PSMA positive disease, independent of pathology, imaging or clinical follow-up.
Detection Rate of 68Ga-PSMA-11 PET Stratified by Prior Cancer Treatment1 DayDetection rates (sensitivity) on a per-patient basis of 68Ga-PSMA-11 PET stratified by prior cancer treatment (Prostatectomy, Radiation, or Prostatectomy plus Radiation) will be summarized in tabular format.
Detection Rate of 68Ga-PSMA-11 PET Stratified by Prior Use of Androgen Deprivation Therapy (ADT)1 DayDetection rate (sensitivity) on a per-patient basis of 68Ga-PSMA-11 PET stratified by prior use of ADT as a cancer treatment (Prior treatment with ADT, No prior treatment with ADT) will be summarized in tabular format.
Percent of Participants With a Change in Clinical ManagementUp to 6 monthsImpact of 68Ga-PSMA-11 PET on clinical management in patients with biochemical recurrence (BCR) was measured using Pre-PET (Q1), post-PET (Q2), and post-treatment (Q3) questionnaires sent to referring physicians recording site of recurrence and intended (Q1 to Q2 change) and implemented (Q3) therapeutic and diagnostic management. Percentage of participants with a change in clinical management will be reported using descriptive statistics based on qualitative physician responses from the change in management surveys.
Rate of Inter-reader Reproducibility for Positivity1 DayInter-reader reproducibility for positivity at the patient level will be reported using the Fleiss' Kappa test for multiple readers
Number of Participants With Grade 3 or Higher, Treatment-related Adverse EventsUp to 30 daysAll grade 3 and above adverse events will be recorded using the NCI CTCAE v4.0. The Investigator will assign attribution of the possible association of the event with use of the investigational drug.
PPV for Detection of Tumor Location in Prostate Bed Confirmed by Histopathology/Biopsy Only1 DayPositive predictive value is the probability that participants with a positive reading truly have prostate cancer in the prostate bed as confirmed by by histopathology/biopsy
PPV for Detection of Tumor Location in Visceral Lesions Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up.1 DayPositive predictive value is the probability that participants with a positive reading truly have prostate cancer in visceral tissue as confirmed by by histopathology/biopsy, clinical and conventional imaging follow-up.
PPV for Detection of Tumor Location in Bone Metastasis Lesions Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up.1 DayPositive predictive value is the probability that participants with a positive reading truly have prostate cancer metastasized in the bone as confirmed by by histopathology/biopsy, clinical and conventional imaging follow-up.
PPV for Detection of Tumor Location in Prostate Bed Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up.1 DayPositive predictive value is the probability that participants with a positive reading truly have prostate cancer in the prostate bed as confirmed by by histopathology/biopsy, clinical and conventional imaging follow-up.

Countries

United States

Participant flow

Participants by arm

ArmCount
Ga-68 Labeled PSMA-11 PET
PSMA PET imaging: Patients will receive Ga-68 labeled PSMA-11 PET and then undergo PET/CT or PET/MRI approximately 55-70 minutes later. Ga-68 labeled PSMA-11 PET: Patients will be imaged using Ga-68 labeled PSMA-11 PET to determine if the presence of metastatic disease. Prostate Specific Membrane Antigen (PSMA) is a protein expressed on prostate cancer cells that can be imaged using small molecules that target this protocol.
346
Total346

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyImages for these participants not viable52

Baseline characteristics

CharacteristicGa-68 Labeled PSMA-11 PET
Age, Customized
40-49 years old
2 Participants
Age, Customized
50-59 years old
22 Participants
Age, Customized
60-69 years old
125 Participants
Age, Customized
70-79 years old
157 Participants
Age, Customized
80-89 years old
40 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
12 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
323 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
11 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
20 Participants
Race (NIH/OMB)
Black or African American
7 Participants
Race (NIH/OMB)
More than one race
1 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
2 Participants
Race (NIH/OMB)
Unknown or Not Reported
40 Participants
Race (NIH/OMB)
White
276 Participants
Region of Enrollment
United States
346 participants
Sex: Female, Male
Female
0 Participants
Sex: Female, Male
Male
346 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 346
other
Total, other adverse events
0 / 346
serious
Total, serious adverse events
0 / 346

Outcome results

Primary

True Positive Rate for Detection of Tumor Location in Bone Tissue Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up

The true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the bone tissue using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy, clinical and conventional imaging follow-up. Corresponding two-sided 95% confidence intervals will be constructed using the Wilson score method.

Time frame: 1 Day

Population: Data on clinical and conventional imaging follow-up not collected

Primary

True Positive Rate for Detection of Tumor Location in Lymph Nodes Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up

The true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the lymph nodes using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy, clinical and conventional imaging follow-up. Corresponding two-sided 95% confidence intervals will be constructed using the Wilson score method.

Time frame: 1 Day

Population: Data on clinical and conventional imaging follow-up not collected

Primary

True Positive Rate for Detection of Tumor Location in Prostate Bed Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up

The true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the prostate bed using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy, clinical and conventional imaging follow-up. Corresponding two-sided 95% confidence intervals will be constructed using the Wilson score method.

Time frame: 1 day

Population: Data on clinical and conventional imaging follow-up not collected

Primary

True Positive Rate for Detection of Tumor Location in Visceral Tissue Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up

The true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the visceral tissue using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy, clinical and conventional imaging follow-up. Corresponding two-sided 95% confidence intervals will be constructed using the Wilson score method.

Time frame: 1 Day

Population: Data on clinical and conventional imaging follow-up not collected

Secondary

Detection Rate of 68Ga-PSMA-11 PET Stratified by Prior Cancer Treatment

Detection rates (sensitivity) on a per-patient basis of 68Ga-PSMA-11 PET stratified by prior cancer treatment (Prostatectomy, Radiation, or Prostatectomy plus Radiation) will be summarized in tabular format.

Time frame: 1 Day

Population: Prior cancer treatment for only 287 evaluable participants was collected. The number analyzed per row represents the number of participants in each category.

ArmMeasureGroupValue (NUMBER)
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prior Cancer TreatmentProstatectomy only0.93 proportion of participants
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prior Cancer TreatmentRadiation therapy only0.65 proportion of participants
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prior Cancer TreatmentProstatectomy and salvage radiation therapy0.84 proportion of participants
Secondary

Detection Rate of 68Ga-PSMA-11 PET Stratified by Prior Use of Androgen Deprivation Therapy (ADT)

Detection rate (sensitivity) on a per-patient basis of 68Ga-PSMA-11 PET stratified by prior use of ADT as a cancer treatment (Prior treatment with ADT, No prior treatment with ADT) will be summarized in tabular format.

Time frame: 1 Day

Population: Prior ADT treatment for only 272 evaluable participants was collected. The number analyzed per row represents the number of participants in each category.

ArmMeasureGroupValue (NUMBER)
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prior Use of Androgen Deprivation Therapy (ADT)Prior treatment with ADT0.8 proportion of participants
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prior Use of Androgen Deprivation Therapy (ADT)No prior treatment with ADT0.8 proportion of participants
Secondary

Detection Rate of 68Ga-PSMA-11 PET Stratified by Prostate-specific Antigen (PSA) Value

Detection rate (sensitivity) on a per-patient basis of 68Ga-PSMA-11 PET stratified by PSA value (0.2- \<0.5, 0.5 - \<1.0, 1.0 - \<2.0, 2.0 - \<5.0, \>=5.0) will be summarized in tabular format for participants with PSMA positive disease, independent of pathology, imaging or clinical follow-up.

Time frame: 1 Day

Population: The number analyzed per row represents the number of participants in each category

ArmMeasureGroupValue (NUMBER)
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prostate-specific Antigen (PSA) ValuePSA = < 0.50.53 proportion of participants
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prostate-specific Antigen (PSA) ValuePSA = 0.5 - <1.00.68 proportion of participants
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prostate-specific Antigen (PSA) ValuePSA = 1.0 - <2.00.68 proportion of participants
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prostate-specific Antigen (PSA) ValuePSA = 2.0 - <5.00.93 proportion of participants
Ga-68 Labeled PSMA-11 PETDetection Rate of 68Ga-PSMA-11 PET Stratified by Prostate-specific Antigen (PSA) ValuePSA >= 5.00.94 proportion of participants
Secondary

Number of Participants With Grade 3 or Higher, Treatment-related Adverse Events

All grade 3 and above adverse events will be recorded using the NCI CTCAE v4.0. The Investigator will assign attribution of the possible association of the event with use of the investigational drug.

Time frame: Up to 30 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Ga-68 Labeled PSMA-11 PETNumber of Participants With Grade 3 or Higher, Treatment-related Adverse Events0 Participants
Secondary

Percent of Participants With a Change in Clinical Management

Impact of 68Ga-PSMA-11 PET on clinical management in patients with biochemical recurrence (BCR) was measured using Pre-PET (Q1), post-PET (Q2), and post-treatment (Q3) questionnaires sent to referring physicians recording site of recurrence and intended (Q1 to Q2 change) and implemented (Q3) therapeutic and diagnostic management. Percentage of participants with a change in clinical management will be reported using descriptive statistics based on qualitative physician responses from the change in management surveys.

Time frame: Up to 6 months

Population: Data on change in clinical management not collected for this sample

Secondary

Positive Predictive Value (PPV) for Detection of Tumor Location in Lymph Nodes Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up.

Positive predictive value is the probability that participants with a positive reading truly have prostate cancer in the lymph nodes as confirmed by by histopathology/biopsy, clinical and conventional imaging follow-up.

Time frame: 1 Day

Population: Data on clinical and conventional imaging follow-up not collected

Secondary

PPV for Detection of Tumor Location in Bone Metastasis Lesions Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up.

Positive predictive value is the probability that participants with a positive reading truly have prostate cancer metastasized in the bone as confirmed by by histopathology/biopsy, clinical and conventional imaging follow-up.

Time frame: 1 Day

Population: Data on clinical and conventional imaging follow-up not collected

Secondary

PPV for Detection of Tumor Location in Bone Tissue Confirmed by Histopathology/Biopsy Only

Positive predictive value is the probability that participants with a positive reading truly have prostate cancer in the bone tissue as confirmed by by histopathology/biopsy

Time frame: 1 Day

Population: Only 2 participants had adequate histology/biopsy data for this analysis

ArmMeasureValue (NUMBER)
Ga-68 Labeled PSMA-11 PETPPV for Detection of Tumor Location in Bone Tissue Confirmed by Histopathology/Biopsy Only1.00 proportion
Secondary

PPV for Detection of Tumor Location in Lymph Nodes Confirmed by Histopathology/Biopsy Only

Positive predictive value is the probability that participants with a positive reading truly have prostate cancer in the lymph nodes as confirmed by by histopathology/biopsy

Time frame: 1 Day

Population: Only 7 participants had adequate histology/biopsy data for this analysis

ArmMeasureValue (NUMBER)
Ga-68 Labeled PSMA-11 PETPPV for Detection of Tumor Location in Lymph Nodes Confirmed by Histopathology/Biopsy Only0.5 proportion
Secondary

PPV for Detection of Tumor Location in Prostate Bed Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up.

Positive predictive value is the probability that participants with a positive reading truly have prostate cancer in the prostate bed as confirmed by by histopathology/biopsy, clinical and conventional imaging follow-up.

Time frame: 1 Day

Population: Data on clinical and conventional imaging follow-up not collected

Secondary

PPV for Detection of Tumor Location in Prostate Bed Confirmed by Histopathology/Biopsy Only

Positive predictive value is the probability that participants with a positive reading truly have prostate cancer in the prostate bed as confirmed by by histopathology/biopsy

Time frame: 1 Day

Population: Only 30 participants had adequate histology/biopsy data for this analysis

ArmMeasureValue (NUMBER)
Ga-68 Labeled PSMA-11 PETPPV for Detection of Tumor Location in Prostate Bed Confirmed by Histopathology/Biopsy Only0.92 proportion
Secondary

PPV for Detection of Tumor Location in Visceral Lesions Confirmed by Histopathology/Biopsy, Clinical and Conventional Imaging Follow-up.

Positive predictive value is the probability that participants with a positive reading truly have prostate cancer in visceral tissue as confirmed by by histopathology/biopsy, clinical and conventional imaging follow-up.

Time frame: 1 Day

Population: Data on clinical and conventional imaging follow-up not collected

Secondary

PPV for Detection of Tumor Location in Visceral Tissue Confirmed by Histopathology/Biopsy Only

Positive predictive value is the probability that participants with a positive reading truly have prostate cancer in the visceral tissue as confirmed by by histopathology/biopsy

Time frame: 1 Day

Population: Only 9 participants had adequate histology/biopsy data for this analysis

ArmMeasureValue (NUMBER)
Ga-68 Labeled PSMA-11 PETPPV for Detection of Tumor Location in Visceral Tissue Confirmed by Histopathology/Biopsy Only0.86 proportion
Secondary

Rate of Inter-reader Reproducibility for Positivity

Inter-reader reproducibility for positivity at the patient level will be reported using the Fleiss' Kappa test for multiple readers

Time frame: 1 Day

Population: Inter-reader reproducibility data not collected

Secondary

True Positive Rate for Detection of Tumor Location in Bone Tissue Confirmed by Histology/Pathology Only

The true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the bone tissue using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy only.

Time frame: 1 Day

Population: Only 2 participants had adequate histology/biopsy data for this analysis

ArmMeasureValue (NUMBER)
Ga-68 Labeled PSMA-11 PETTrue Positive Rate for Detection of Tumor Location in Bone Tissue Confirmed by Histology/Pathology Only1.00 proportion of participants
Secondary

True Positive Rate for Detection of Tumor Location in Lymph Nodes Confirmed by Histology/Pathology Only

The true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the lymph nodes using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy only.

Time frame: 1 Day

Population: Only 7 participants had adequate histology/biopsy data for this analysis

ArmMeasureValue (NUMBER)
Ga-68 Labeled PSMA-11 PETTrue Positive Rate for Detection of Tumor Location in Lymph Nodes Confirmed by Histology/Pathology Only0.40 proportion of participants
Secondary

True Positive Rate for Detection of Tumor Location in Prostate Bed Confirmed by Histology/Pathology Only

The true positive rate or detection rate is defined as the proportion of all participants who have prostate cancer detected in the prostate bed using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy only.

Time frame: 1 Day

Population: Only 30 participants had adequate histology/biopsy data for this analysis

ArmMeasureValue (NUMBER)
Ga-68 Labeled PSMA-11 PETTrue Positive Rate for Detection of Tumor Location in Prostate Bed Confirmed by Histology/Pathology Only0.88 proportion of participants
Secondary

True Positive Rate for Detection of Tumor Location in Visceral Tissue Confirmed by Histology/Pathology Only

The true positive rate or detection rate (sensitivity) is defined as the proportion of all participants who have prostate cancer detected in the visceral tissue using Ga68-PSMA-11, where disease location is also confirmed by histopathology/biopsy only.

Time frame: 1 Day

Population: Only 9 participants had adequate histology/biopsy data for this analysis

ArmMeasureValue (NUMBER)
Ga-68 Labeled PSMA-11 PETTrue Positive Rate for Detection of Tumor Location in Visceral Tissue Confirmed by Histology/Pathology Only0.86 proportion of participants

Source: ClinicalTrials.gov · Data processed: Feb 26, 2026