- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05365802
FAPI PET for Lung Fibrosis (FAPI ILD)
PET Study of 68Ga-FAPi-46 in Patients With Interstitial Lung Disease: an Exploratory Biodistribution Study With Histopathology Validation.
This is a prospective exploratory biodistribution study in patients with interstitial lung disease (ILD).
The purpose of this research study is to determine where and to which degree the FAPI tracer (68Ga-FAPI-46) accumulates in normal and fibrotic lung tissues of patients with interstitial lung disease.
The study will include patients with interstitial lung disease who have or will initiate a new ILD medication OR will undergo tissue biopsy or surgery of the lung.
The study will include 30 patients, the upper limit for PET imaging studies conducted under the Radioactive Drug Research Committee (RDRC) purview.
Participants will be injected with up to 7 mCi of 68-GaFAPi and will undergo one PET/CT scan and one High Resolution CT of the lungs.
The study is sponsored by Ahmanson Translational Theranostic Division at UCLA.
Study Overview
Status
Conditions
Detailed Description
ILD is a group of respiratory diseases that affect the interstitium of the lungs. A major problem is the highly variable course of fibrosing ILD: some patients remain stable without treatment, and others progress rapidly despite pharmacotherapy.
Novel diagnostic approaches for risk stratification with more accurate prediction of the course of fibrosing ILD could potentially improve prognostication and ultimately lead to better survival in these patients.
Persistent activation and local accumulation of myofibroblasts is a common feature of fibrotic diseases. FAP is a promising target for molecular imaging of fibroblast activation and detection of sites of active tissue remodeling.
Small molecule inhibitors of FAP have been labeled with positron-emitting isotopes for PET imaging. 68Ga-FAPi-46 can serve as diagnostic biomarker in ILD.
In this study, the investigators will evaluate the 68Ga-FAPi-46 biodistribution in patients with ILD and observe the correlation of FAP expression and FAPi radiopharmaceutical uptake.
The primary objective of this study is to evaluate the biodistribution of the new FAP-targeted PET tracer, 68Ga-FAPi- 46, in patients with ILD.
OUTLINE:
- Participants with Interstitial Lung Disease will be asked to undergo a 68Ga-FAPi-46 PET/CT and one High Resolution CT of the lungs
- Patients will be followed until pathology is obtained during clinical care. (if undergoing surgery or biopsy)
- Biodistribution results will be assessed comparing pathological findings and PET/CT results
Study Type
Enrollment (Anticipated)
Phase
- Early Phase 1
Contacts and Locations
Study Contact
- Name: Ethan C Lam, BS
- Phone Number: 3102067372
- Email: eclam@mednet.ucla.edu
Study Locations
-
-
California
-
Los Angeles, California, United States, 90095
- Recruiting
- UCLA / Jonsson Comprehensive Cancer Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion criteria
- Patients with ILD confirmed by CT at time of staging
- Patients who have initiated or will initiate a new ILD medication with 3 months of enrollment OR Patients who are scheduled to undergo tissue biopsy or surgery of the lung
- Patients are ≥ 18 years old at the time of the radiotracer administration
- Patient can provide written informed consent
Exclusion criteria
- Patient is pregnant or nursing
- Patients with active infectious lung disease
- Patients not expected to comply with the protocol requirements, not able to understand or follow trial procedures
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 68Ga-FAPi-46
Patients receive 68Ga-FAPi-46 IV and undergo PET/CT scan over 20-50 minutes
|
Radiopharmaceutical will be administered via IV
Other Names:
As part of PET/CT scan
Other Names:
As part of PET/CT scan
Other Names:
Will be conducted immediately after FAPI PET/CT
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To define and document the biodistribution of gallium Ga 68 FAPi-46 (68Ga-FAPi-46) in patients with Interstitial Lung Disease
Time Frame: 60 minutes following injection
|
To quantify diseased tissue and normal background organs, 68Ga-FAPI-46 positron emission tomography (PET) tracer biodistribution will be assessed by semi-quantitative analysis (unit/metrics = standardized uptake values (SUV)).
|
60 minutes following injection
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
68Ga-FAPi-46 accumulation
Time Frame: Up to 2 years
|
To evaluate the degree of 68Ga-FAPi-46 accumulation observed by PET imaging as opposed to the amount of FAP expression in obtained lung tissue, when available.
IHC will be scored with a semi-quantitative scoring system that accounts for staining intensity (0-2, where 0 is negative, 1 is weak, 2 is strong and eq.
stands for equivocal).
Correlations will be sought using least square regression analysis.
|
Up to 2 years
|
68Ga-FAPi-46 and disease progression
Time Frame: Up to 2 years
|
To evaluate whether the 68Ga-FAPi-46 biodistribution in the lungs can be associated with disease progression under ILD therapies.
|
Up to 2 years
|
68Ga-FAPi-46 biodistribution
Time Frame: Up to 2 years
|
To evaluate whether the 68Ga-FAPi-46 biodistribution in the lungs can be associated with HR CT quantitative parameters
|
Up to 2 years
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
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
Additional Relevant MeSH Terms
- Pathologic Processes
- Infections
- Respiratory Tract Infections
- Respiratory Tract Diseases
- Immune System Diseases
- Hypersensitivity, Immediate
- Wounds and Injuries
- Occupational Diseases
- Respiratory Hypersensitivity
- Lung Injury
- Radiation Injuries
- Idiopathic Pulmonary Fibrosis
- Fibrosis
- Hypersensitivity
- Lung Diseases
- Pneumonia
- Pulmonary Fibrosis
- Lung Diseases, Interstitial
- Idiopathic Interstitial Pneumonias
- Hamman-Rich Syndrome
- Pneumoconiosis
- Radiation Pneumonitis
- Alveolitis, Extrinsic Allergic
- Molecular Mechanisms of Pharmacological Action
- Radiopharmaceuticals
- FAPI-46
Other Study ID Numbers
- IRB21-000678
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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