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| ID | Type | Description | Link |
|---|---|---|---|
| NCI-2020-11728 | Registry Identifier | NCI Clinical Trials Reporting Program (CTRP) |
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| Name | Class |
|---|---|
| Society of Abdominal Radiology | OTHER |
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This is a multi-arm prospective trial that evaluates the ability of a novel imaging radiolabeled agents to detect metastatic cancer in participants with solid tumors using a gallium 68 (68Ga-) or copper 64 (64Cu-) FAP-2286 tracer. FAP-2286 is a peptidomimetic molecule that that binds to Fibroblast Activation Protein (FAP). FAP is a transmembrane protein expressed on cancer-associated fibroblasts, and has been shown to be present on a number of solid tumors.
Initially the investigator(s) will focus on imaging breast, pancreas, sarcoma, prostate cancer, bladder cancer, colon cancer, and head and neck cancer.
STUDY AIMS
PRIMARY OBJECTIVES
EXPLORATORY OBJECTIVES
A repeat radiolabeled FAP-2286 PET may be obtained after initiation of subsequent treatment in order to evaluate changes in PET uptake due to treatment effect. Participants will be followed through the day of the last injection of radiolabeled FAP-2286 for evaluation of adverse events.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| CLOSED - 68Ga-Dosimetry population (Cohort 1a) | Experimental | PET imaging will begin 30 +/-10 minutes, 60 +/-15 minutes and 120 +/-20 minutes after injection of 68Ga-FAP-2286. Contrast may be administered if clinically indicated. |
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| CLOSED - 64Cu-Dosimetry population (Cohort 1b) | Experimental | PET imaging will begin 60±15 minutes, 240±30 minutes after injection, and a second PET imaging will be performed 24±2 hours after initial injection of 64Cu-FAP-2286. Contrast may be administered if clinically indicated. |
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| Participants with metastatic disease (Cohort 2) | Experimental | Participants with metastatic disease will have PET imaging 50-100 minutes after injection of 68Ga- or 64Cu- FAP-2286. Contrast may be administered if clinically indicated. |
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| Participants without metastatic disease (Cohort 3) | Experimental | Participants without metastatic disease will have PET imaging 50-100 minutes after injection of 68Ga- or 64Cu- FAP-2286. Contrast may be administered if if clinically indicated. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Gallium-68 labelled (68Ga-) FAP-2286 | Drug | The dose will be 3 to 8 millicurie (mCi) +/- 10% given intravenously at a single time prior to imaging |
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| Measure | Description | Time Frame |
|---|---|---|
| Count of participants with treatment-emergent adverse events | The frequency and severity of treatment emergent adverse events following FAP-2286 injection will be descriptively reported as classified and graded by National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) version 5.0 | Until end of day on the day of the injection (1 day total) |
| Proportion of radiation-absorbed doses of radiolabeled FAP-2286 (Cohorts 1a/1b only) | Volumes of interest of 68Ga- and 64Cu- will be drawn around regions identified on the scans, including the liver, spleen, kidneys, urinary bladder, the central sacrum (for hematopoietic marrow) and whole body. Data will be fitted using the Simulation, Analysis, and Modeling Software II (SAAM II) software. Time integrals of activity will be entered into the Organ Level INternal Dose Assessment/EXponential Modeling (OLINDA/EXM) software, using the reference adult model. The results from all patients enrolled will be combined to allow the calculation of mean, standard deviation (SD), and range of radiation-absorbed doses to individual organs | Up to 3 days |
| Standardized Uptake Values (SUVs) (Cohort 2 only) | The maximum Standardized Uptake Value (SUVmax) will be calculated for up to five lesions in each patient, with mediastinal blood pool being used as background activity. | Up to 3 days |
| Tumor-to-background (TBR) Ratio (Cohort 2 only) | TBR ratios will be calculated for up to five lesions in each patient, with mediastinal blood pool being used as background activity. The median and range of the measured TBRs will be reported across all RECIST measurable lesions as a table broken down by location (organ metastases, nodal metastases and bone metastases). | Up to 3 days |
| Proportion of positive lesions on FAP-2286 PET (Cohort 3 only) |
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Inclusion Criteria:
Age >= 18 years.
Histopathologically confirmed solid tumors in one of the following cohorts:
a. Cohort 1 (n=11): measurable disease is not required for this cohort.
i. Agnostic to tumor type.
b. Cohort 2 (n=95): Metastatic disease present on conventional imaging defined as having RECIST 1.1 measurable disease or multiple bone metastases. Note: Presence of absence of metastatic disease for eligibility determination will be assessed by reviewing medical records. Screening imaging will not be conducted for this study.
i. Pathologically confirmed breast cancer, pancreatic adenocarcinoma, sarcoma, castrate-resistant prostate cancer, bladder cancer, colon cancer, or other cancer type.
c. Cohort 3 (n=85): No evidence of metastatic disease as defined as the absence of RECIST 1.1 measurable disease or bone metastases. Note: Presence of absence of metastatic disease for eligibility determination will be assessed by reviewing medical records. Screening imaging will not be conducted for this study.
i. Participants can be imaged at initial staging with what is judged by the treating physician to be high risk disease and where the presence of metastatic disease would greatly impact treatment planning and prognosis. Participants may also be imaged after therapy (surgery, chemotherapy or radiation therapy) if in the determination of the treating physician or investigator there is a high risk of disease recurrence that would also impact treatment plan and/or prognosis.
ii. Pathologically confirmed head and neck cancer, bladder cancer, or other cancer type.
Ability to understand a written informed consent document, and the willingness to sign it.
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Maya Aslam | Contact | 877-827-3222 | Maya.Aslam@ucsf.edu |
| Name | Affiliation | Role |
|---|---|---|
| Thomas Hope, MD | University of California, San Francisco | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of California, San Francisco | Recruiting | San Francisco | California | 94143 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 38697672 | Derived | Kline B, Yadav S, Seo Y, Ippisch RC, Castillo J, Aggarwal RR, Kelley RK, Behr SC, Flavell RR, Lawhn-Heath C, Melisko M, Rugo HS, Wang V, Yom SS, Ha P, Jiang F, Hope TA. 68Ga-FAP-2286 PET of Solid Tumors: Biodistribution, Dosimetry, and Comparison with 18F-FDG. J Nucl Med. 2024 Jun 3;65(6):938-943. doi: 10.2967/jnumed.123.267281. |
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| ID | Term |
|---|---|
| D009362 | Neoplasm Metastasis |
| ID | Term |
|---|---|
| D009385 | Neoplastic Processes |
| D009369 | Neoplasms |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D009682 | Magnetic Resonance Spectroscopy |
| ID | Term |
|---|---|
| D013057 | Spectrum Analysis |
| D002623 | Chemistry Techniques, Analytical |
| D008919 | Investigative Techniques |
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| Positron Emission Tomography (PET) imaging | Procedure | Participants will be scanned for approximately 30 to 45 minutes |
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| Copper-64 labeled (64Cu-) FAP-2286 | Drug | The dose will be 3.5 to 5.5 millicurie (mCi) +/- 10% given intravenously at a single time prior to imaging |
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Conventional imaging or CT portion of PET/CT scan will be reviewed in conjunction with the FAP-2286 PET images. Lesions will be characterized as positive on FAP-2286 PET if uptake is greater than 1.5 times higher than mediastinal blood pool and uptake cannot be attributed to physiologic or inflammatory reasons. Conventional imaging or CT portion of PET/CT scan will be interpreted as positive by each lesion if the short axis dimension of lymph nodes is greater than 1 centimeter (cm), and organ metastases measure greater than 1 cm in long axis. The gold standard will be the combination of conventional imaging and FAP-2286 PET in combination with clinical follow-up and histopathology (if available). The number of lesions detected by each modality will be compared and sensitivity will be computed. Since this is a proof-of-concept study, it is not powered for the test of agreement. Nevertheless, the agreement will be tested using McNemar's test. |
| Up to 3 days |