Imaging of Pathologic Fibrosis Using 68Ga-FAP-2286
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ClinicalTrials.gov Identifier: NCT05180162 |
Recruitment Status :
Recruiting
First Posted : January 6, 2022
Last Update Posted : January 9, 2023
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This is a single arm prospective pilot trial that evaluates the ability of a novel imaging agent (68Ga-FAP-2286) to identify pathologic fibrosis in the setting of hepatic, cardiac and pulmonary fibrosis.
FAP-2286 is a peptide that potently and selectively binds to Fibroblast Activation Protein (FAP). FAP is a transmembrane protein expressed on fibroblasts and has been shown to have higher expression in idiopathic pulmonary fibrosis (IPF), cirrhosis, and cardiac fibrosis.
Condition or disease | Intervention/treatment | Phase |
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Liver Fibrosis Pulmonary Fibrosis Myocardial Fibrosis | Drug: 68Ga-FAP-2286 Procedure: Positron Emission Tomography (PET) | Phase 1 |
PRIMARY OBJECTIVES:
I. All cohorts: Safety of 68Ga-FAP-2286.
II. Cohort 1: Measured uptake of radiotracer (SUVpeak) in regions of known liver fibrosis.
III. Cohort 2: Measured uptake of radiotracer (SUVpeak) in regions of known pulmonary fibrosis.
IV. Cohort 3: Measured uptake of radiotracer (SUVpeak) in regions of myocardial fibrosis.
EXPLORATORY OBJECTIVES:
I. Correlation of 68Ga-FAP-2286 uptake with FAP expression determined by immunohistochemistry.
II. Compare 68Ga-FAP-2286 scan results to archival Computerized tomography (CT), magnetic resonance imaging (MRI), or Positron Emission Tomography (PET) images.
Patients will receive a single administration of 68Ga-FAP-2286 prior to PET imaging and will be followed for up to two hours after the injection of 68Ga-FAP-2286 for evaluation of adverse events.
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 30 participants |
Allocation: | Non-Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Diagnostic |
Official Title: | Imaging of Pathologic Fibrosis Using 68Ga-FAP-2286 |
Actual Study Start Date : | December 9, 2021 |
Estimated Primary Completion Date : | December 31, 2023 |
Estimated Study Completion Date : | December 31, 2023 |

Arm | Intervention/treatment |
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Experimental: Cohort 1: Liver Fibrosis
Patients with liver fibrosis will receive a single administration of 68Ga-FAP-2286 prior to PET imaging.
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Drug: 68Ga-FAP-2286
A dose of 3 - 8 millicurie (mCi) will be given intravenously (IV)
Other Name: 68Gallium-Fibroblast Activation Protein-2286 Procedure: Positron Emission Tomography (PET) Imaging will begin 50-100 minutes after injection and last about 45 minutes.
Other Names:
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Experimental: Cohort 2: Pulmonary Fibrosis
Patients with pulmonary fibrosis will receive a single administration of 68Ga-FAP-2286 prior to PET imaging.
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Drug: 68Ga-FAP-2286
A dose of 3 - 8 millicurie (mCi) will be given intravenously (IV)
Other Name: 68Gallium-Fibroblast Activation Protein-2286 Procedure: Positron Emission Tomography (PET) Imaging will begin 50-100 minutes after injection and last about 45 minutes.
Other Names:
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Experimental: Cohort 3: Myocardial Fibrosis
Patients with myocardial fibrosis will receive a single administration of 68Ga-FAP-2286 prior to PET imaging.
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Drug: 68Ga-FAP-2286
A dose of 3 - 8 millicurie (mCi) will be given intravenously (IV)
Other Name: 68Gallium-Fibroblast Activation Protein-2286 Procedure: Positron Emission Tomography (PET) Imaging will begin 50-100 minutes after injection and last about 45 minutes.
Other Names:
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- Proportion of participants with treatment-related adverse events [ Time Frame: Up to 31 days ]Proportion of participants with Adverse Events, as graded by National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) version 5.0 will be reported.
- Median peak standardized uptake value (SUVpeak) in liver region [ Time Frame: Up to 1 days ]The median SUVpeak in regions of known liver fibrosis will be reported with 95% confidence intervals
- Median peak standardized uptake value (SUVpeak) in lung region [ Time Frame: Up to 1 days ]The median SUVpeak in regions of known pulmonary fibrosis will be reported with 95% confidence intervals
- Median peak standardized uptake value (SUV) in myocardium region [ Time Frame: Up to 1 days ]The median SUVpeak in regions of known myocardial fibrosis will be reported with 95% confidence intervals

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Age >= 18 years.
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Confirmed pathologic fibrosis in one of the following cohorts
- Cohort 1: Hepatic fibrosis, based on cirrhosis on imaging or hepatic fibrosis on liver biopsy.
- Cohort 2: Pulmonary fibrosis, based on CT findings or biopsy of lung parenchyma.
- Cohort 3: High likelihood of cardiac fibrosis as indicated by known cardiac sarcoidosis or amyloidosis (shown on MRI or Fluorodeoxyglucose (FDG) PET), recent myocardial infarction within the last 30 days (as shown by an elevated troponin), known cardiotoxicity (decreased ejection fraction on systemic therapy), or other known inflammatory or infiltrative disease.
- Ability to understand a written informed consent document, and the willingness to sign it.
Exclusion Criteria:
- Unlikely to comply with protocol procedures, restrictions and requirements and judged by the Investigator to be unsuitable for participation.
- Known pregnancy.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05180162
Contact: Brad Kline | 877-827-3222 | Brad.Kline@ucsf.edu |
United States, California | |
University of California, San Francisco | Recruiting |
San Francisco, California, United States, 94122 | |
Contact: Brad Kline 877-827-3222 Brad.Kline@ucsf.edu | |
Principal Investigator: Thomas A Hope, MD |
Principal Investigator: | Thomas A Hope, MD | University of California, San Francisco |
Responsible Party: | Thomas Hope, Principal Investigator, University of California, San Francisco |
ClinicalTrials.gov Identifier: | NCT05180162 |
Other Study ID Numbers: |
20-32872 |
First Posted: | January 6, 2022 Key Record Dates |
Last Update Posted: | January 9, 2023 |
Last Verified: | January 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Positron Emission Tomography (PET) Imaging 68Ga-FAP-2286 |
Liver Cirrhosis Pulmonary Fibrosis Fibrosis Pathologic Processes |
Lung Diseases Respiratory Tract Diseases Liver Diseases Digestive System Diseases |