- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03490032
68Ga-PSMA-R2 in Patients With Biochemical Relapse (BR) and Metastatic Prostate Cancer (mPCa) (PROfind)
A Phase 1/2 Open-label, Multi-center, Safety and Tolerability Study of a Single Dose of 68Ga-PSMA-R2 in Patients With Biochemical Relapse (BR) and Metastatic Prostate Cancer (mPCa)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study consisted of 2 parts.
- During the first part (Phase I) of the study, 6 subjects with biochemically recurrent prostate cancer (PCa) received the investigational product (IP) and remained at the site for approximately 6 hours post-administration in order to assess the PK, biodistribution versus time, and dosimetry for critical organs. Subjects received a single dose of 3 MBq/kg, (>=150 and =<250 MBq), of 68^Ga-PSMA-R2 intravenously. Serial blood and urine samples were collected for PK characterization and dosimetry and whole-body PET/CT were acquired at selected time points (0 to 4 hours) to determine organ and tumor absorbed doses. Safety assessments were conducted after IP administration on Day 1, and during follow-up on Days 7 and 28.
- In the second part of the study (Phase II), 2 groups of 12 subjects were enrolled (subjects with PCa in biochemical recurrence [PCa-BR], and subjects with prostate cancer in the metastatic stage [mPCa]). Based on the preliminary data analysis from the Phase I part of the study provided sufficient dosimetry data, all subjects underwent the whole body PET/CT imaging optimized for time (up to 2 time points) according to the data analysis from the Phase I part of the study.
This study was comprised of 4 clinical visits and conducted in 3 study periods: screening, administration/imaging, and safety follow-up period.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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Arizona
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Phoenix, Arizona, United States, 85040
- Pheonix Molecular Imaging Center
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California
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San Francisco, California, United States, 94158
- University of California, San Francisco (UCSF)
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Connecticut
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New Haven, Connecticut, United States, 06510
- Smilow Cancer Center at Yale New Haven
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Maryland
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Baltimore, Maryland, United States, 21287
- Johns Hopkins Hospital
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Bethesda, Maryland, United States, 20892
- National Institutes of Health, Warren Grant Magnusen Clinical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Males 18 years or older.
- Signed and dated written informed consent by the subject prior to any study-specific procedures.
Histologically confirmed adenocarcinoma of the prostate, defined as follows:
Biochemical recurrence: defined as PSA is ≥0.2 ng/mL after radical prostatectomy or PSA nadir plus 2 ng/mL after radiation therapy with corresponding CT/MRI or bone scan revealing absence of local recurrence or metastatic lesions.
OR
- Metastatic disease: defined as both, castration-sensitive or castration-resistant mPCa (presence of at least 1 metastatic lymph node, visceral metastasis and/or bone metastasis).
- At least 2 weeks must have elapsed between last anticancer treatment administration and the administration of the imaging product, 68Ga-PSMA-R2.
- Prior major surgery must be at least 12 weeks prior to study entry.
- Eastern Cooperative Oncology Group (ECOG) performance status 0 to 2, with a life expectancy ≥6 months.
Adequate bone marrow reserve and organ function as demonstrated by complete blood count, and biochemistry in blood and urine at Screening:
- Hemoglobin (Hb): >8 g/dL
- Platelet count of >50.000/mm3
- Serum creatinine <1.5*upper limit normal (ULN) or estimated glomerular filtration rate (eGFR) >50 mL/min based upon The Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation.
- For male subjects with partners of childbearing potential, agreement to use barrier contraceptive method (condom) and to continue its use for 28 days after IP administration.
Exclusion Criteria:
- Pathological finding consistent with small cell, neuroendocrine carcinoma of the prostate or any other histologies different than adenocarcinoma.
- Administered a radioisotope =<10 physical half-lives prior to the day of PET/CT.
- Current severe urinary incontinence, hydronephrosis, severe voiding dysfunction, or need of indwelling/condom catheters.
- Uncontrolled pain or incompatibility that results in subject's lack of compliance with imaging procedures.
- Other known coexisting malignancies except non-melanoma skin or low grade superficial bladder cancer unless definitively treated and proven no evidence of recurrence for 5 years.
- Subject with known incompatibility to CT scans.
- Any evidence of severe or uncontrolled systemic or psychiatric diseases, including uncontrolled hypertension and active bleeding diatheses, which in the investigator's opinion makes it undesirable for the subject to participate in the study or which would jeopardize compliance with the protocol, or active infection including human immunodeficiency virus (HIV) and untreated hepatitis B, hepatitis C. Screening for chronic conditions was not required.
- Subjects who have received any investigational agent within the last 28 days were excluded from participation in this study.
- Any acute toxicity due to prior chemotherapy and/or radiotherapy that has not resolved according to the Toxicity Grading Scale for Healthy Adult and Adolescent Volunteers Enrolled in Preventive Vaccine Clinical Studies.
- Known allergy, hypersensitivity, or intolerance to the IP or its excipients.
- Subject unlikely to comply with study procedures, restrictions and requirements and judged by the investigator to be unsuitable for study participation.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Biochemically Recurrent Prostate Cancer (PCa-BR) (Phase I)
All eligible participants received recommended dose of [68Ga]-PSMA-R2 of 3 Mega Becquerel (MBq)/Kg (+/- 10%) [but not more than 250 and not less than 150 MBq].
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radio-labelled PSMA ligand
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Experimental: Biochemically Recurrent Prostate Cancer (PCa-BR) (Phase II)
All eligible participants received recommended dose of [68Ga]-PSMA-R2 of 3 Mega Becquerel (MBq)/Kg (+/- 10%) [but not more than 250 and not less than 150 MBq].
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radio-labelled PSMA ligand
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Experimental: Metastatic Prostate Cancer (mPCa) (Phase II)
All eligible participants received recommended dose of [68Ga]-PSMA-R2 of 3 Mega Becquerel (MBq)/Kg (+/- 10%) [but not more than 250 and not less than 150 MBq].
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radio-labelled PSMA ligand
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Treatment Emergent Adverse Events
Time Frame: dosing through 28 days post-dose
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Treatment-emergent adverse events (TEAEs) were collected from first dosing (single administration, Day 1) up to last follow-up visit or until the event has resolved to baseline grade or better or the event was assessed stable by the investigator or the patient was lost to follow-up or withdrew consent.
The distribution of adverse events was done via the analysis of frequencies for treatment emergent Adverse Event (TEAEs), Serious Adverse Event (TESAEs) and Deaths due to AEs, through the monitoring of relevant clinical and laboratory safety parameters.
Only descriptive analysis performed.
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dosing through 28 days post-dose
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Phase I: Decay Corrected Tissue Time-activity Curves (TACs) From 68Ga-PSMA-R2 PET/CT Images in Normal Organs
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (20-30 min post-injection, 1 hour, 2 hours and 3-4 hours post-injection)
|
PET/CT scans were performed at approximately 20 to 30 min and at 1, 2, 3 to 4 hours postinjection.
Time activity curves (TACs) for various organs (Brain, Heart Wall, Kidney, Lacrimal Gland, Liver, Lungs, Salivary Gland, Spleen and Thyroid) were produced as decay-corrected tissue of injected activity (mSv/MBq) per organ.
Only descriptive analysis performed.
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68Ga-PSMA-R2 PET imaging acquired at Day 1 (20-30 min post-injection, 1 hour, 2 hours and 3-4 hours post-injection)
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Phase I: Urinary Excretion of [68Ga]-PSMA-R2
Time Frame: 0 to 6 hours post-dose
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Urine samples were collected (up to 6 hours after dosing) for activity-based pharmacokinetics characterization.
The apparent systemic clearance for the analyte in urine (Cl) was summarized with descriptive statistics.
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0 to 6 hours post-dose
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Phase I: Half-life of 68Ga-PSMA-R2 in Blood
Time Frame: 0 to 6 hours post-dose
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Serial blood samples were collected (up to 6 hours after dosing) for activity-based pharmacokinetics characterization.
The half-life (T^1/2) for the analyte in blood was summarized with descriptive statistics.
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0 to 6 hours post-dose
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Phase I: Non-decay Corrected Tissue Time-activity Curves (TACs) From 68Ga-PSMA-R2 PET/CT Images in Normal Organs
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (20-30 min post-injection, 1 hour, 2 hours and 3-4 hours post-injection)
|
PET/CT scans were performed at approximately 20 to 30 min and at 1, 2, 3 to 4 hours postinjection.
Time activity curves (TACs) for the various organs were produced as non-decay-corrected fraction of injected activity (mSv/MBq) per organ.
Only descriptive analysis performed.
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68Ga-PSMA-R2 PET imaging acquired at Day 1 (20-30 min post-injection, 1 hour, 2 hours and 3-4 hours post-injection)
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Phase I: Residence Times in Normal Organs
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1
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Residence times of radiation in normal organs were summarized with descriptive statistics.
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68Ga-PSMA-R2 PET imaging acquired at Day 1
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Phase I: Absorbed Dose of 68Ga-PSMA-R2
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1
|
Absorbed radiation dose of 68Ga-PSMA-R2 in target organs were summarized with descriptive statistics.
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68Ga-PSMA-R2 PET imaging acquired at Day 1
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Phase I: Whole-body Dose of 68Ga-PSMA-R2
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1
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The whole-body dose of 68Ga-PSMA-R2 was summarized with descriptive statistics.
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68Ga-PSMA-R2 PET imaging acquired at Day 1
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Phase I: Effective Dose of 68Ga-PSMA-R2
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1
|
The effective dose of 68Ga-PSMA-R2 was summarized with descriptive statistics.
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68Ga-PSMA-R2 PET imaging acquired at Day 1
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Standard Uptake Value (SUV) Mean and Max in Lesions Detected by PET Scans by Timepoint
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
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Targeting properties of 68Ga-PSMA-R2 were evaluated by semi-quantitatively assessing radiotracer uptake at lesion level, identified via PET/CT imaging (4 scans).
The SUVmean and SUVmax (g/mL) of each lesion were calculated and reported by lesion location with summary statistics at all imaging time points.
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68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
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Tumor to Background Ratio (TBR) of Lesions Detected by PET Scans by Timepoint
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
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Targeting properties of 68Ga-PSMA-R2 were evaluated by semi-quantitatively assessing radiotracer uptake at lesion level, identified via PET/CT imaging (4 scans).
The lesion Tumor to Background Ratio (TBR) was defined as SUVmax(lesion) / SUVmean(gluteal or thigh) was calculated and reported by lesion location with summary statistics at all imaging time points.
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68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
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Standard Uptake Value (SUV) Mean and Max in Lesions Detected by PET Scans and Also Detected by Conventional Scans by Timepoint
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
|
Targeting properties of 68Ga-PSMA-R2 were evaluated by semi-quantitatively assessing radiotracer uptake at lesion level, identified via PET/CT imaging (4 scans).
The SUVmean and SUVmax (g/mL) of each lesion were calculated and reported by lesion location with summary statistics at all imaging time points.
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68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
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Tumor to Background Ratio (TBR) of Lesions Detected by PET Scans and Also Detected by Conventional Scans by Timepoint
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
|
Targeting properties of 68Ga-PSMA-R2 were evaluated by semi-quantitatively assessing radiotracer uptake at lesion level, identified via PET/CT imaging (4 scans).
The lesion Tumor to Background Ratio (TBR) was defined as SUVmax(lesion) / SUVmean(gluteal or thigh) was calculated and reported by lesion location with summary statistics at all imaging time points.
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68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
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Standard Uptake Value (SUV) Mean and Max in Lesions Detected by PET Scans and Not Detected by Conventional Scans by Timepoint
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
|
Targeting properties of 68Ga-PSMA-R2 were evaluated by semi-quantitatively assessing radiotracer uptake at lesion level, identified via PET/CT imaging (4 scans).
The SUVmean and SUVmax (g/mL) of each lesion were calculated and reported by lesion location with summary statistics at all imaging time points.
|
68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
|
Tumor to Background Ratio (TBR) of Lesions Detected by PET Scans and Not Detected by Conventional Scans by Timepoint
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
|
Targeting properties of 68Ga-PSMA-R2 were evaluated by semi-quantitatively assessing radiotracer uptake at lesion level, identified via PET/CT imaging (4 scans).
The lesion Tumor to Background Ratio (TBR) was defined as SUVmax(lesion) / SUVmean(gluteal or thigh) was calculated and reported by lesion location with summary statistics at all imaging time points.
|
68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
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Patient Level Agreement of 68Ga-PSMA-R2 PET Imaging Relative to Conventional Techniques in Prostate Cancer Patients
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
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The subject-level positive percent agreement, negative percent agreement, and overall percent agreement was calculated based on the number of subjects with at least 1 positive lesion detected by conventional scan or at least 1 positive lesion detected by PET scan. These percent agreements were calculated as follows:
Where:
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68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour, 2 hours post-injection)
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Burden of Tumor Lesions Measured by 68Ga-PSMA-R2 PET (1hr) Scan Compared With Standard Imaging Modality, by Location (Overall)
Time Frame: 68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour post-injection)
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The differences of number of positive lesions, number of positive lesions detected by PET scan and/or conventional scan and the location of positive lesions were summarized with descriptive statistics.
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68Ga-PSMA-R2 PET imaging acquired at Day 1 (1 hour post-injection)
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Collaborators and Investigators
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 (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
- Neoplasms
- Prostate Cancer
- PSMA
- Prostate-specific membrane antigen
- Prostatic Neoplasms
- Genital Neoplasms, Male
- Urogenital Neoplasms
- Prostatic Diseases
- Neoplasms by Site
- Cancer of the Prostate
- Prostatic Cancer
- Genital Diseases, Male
- Cancer of Prostate
- Neoplasms, Prostate
- Gallium radioisotope 68
- 68Ga-PSMA-R2
- 68Ga-PSMA ligand
Additional Relevant MeSH Terms
Other Study ID Numbers
- A206D-A01-001
- CAAA502A12101 (Other Identifier: Novartis)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Novartis is committed to sharing with qualified external researchers, access to patient-level data and supporting clinical documents from eligible studies. These requests are reviewed and approved by an independent review panel on the basis of scientific merit. All data provided is anonymized to respect the privacy of patients who have participated in the trial in line with applicable laws and regulations.
This trial data availability is according to the criteria and process described on www.clinicalstudydatarequest.com
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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