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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05999643
Other study ID # FAPI in SpA
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date July 1, 2023
Est. completion date August 1, 2025

Study information

Verified date July 2023
Source The First Affiliated Hospital of Xiamen University
Contact Yuan Liu, MD
Phone 86 0592-2137749
Email iuyuan@xmu.edu.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

To evaluate the potential usefulness of 68Ga-FAPI PET/CT for the diagnosis, inflammation evaluation and prognosis prediction in spondyloarthritis.


Description:

Spondyloarthritis (SpA) is a chronic inflammatory rheumatic disease characterized by inflammatory back pain, enthesitis, dactylitis, and the formation of syndesmophytes, all of which significantly affect a patient's healthy functioning and general quality of life. Prevalence of underlying malignancy is high in patients with SpA. Radiographic sacroiliitis became a crucial finding in the diagnosis and classification of patients. 68Ga-FAPI has been developed as tracers specific for fibroblast-activation protein (FAP), which is overexpressed in activated fibroblasts in various type of cancers and autoimmune diseases, such as rheumatoid arthritis, IgG4-related diseases and interstitial lung diseases. Recently the investigators have published articles of the application of 68Ga-FAPI in IgG4-related disease and rheumatoid arthritis, which showed it was more sensitive than FDG in detecting a certain type of inflammation. Increased 68Ga-FAPI Uptake in ankylosing spondylitis in a patient with rectal cancer has also been reported in a case report, indicating the potential utility of FAP-targeted PET/CT imaging for diagnosis and disease assessment in spondyloarthritis. Thus, this prospective study is going to investigate utility of 68Ga-FAPI PET/CT in diagnosis of spondyloarthritis as well as inflammation assessment in joints including the sacroiliac (SI) joints, spine and peripheral joints. Also, this study aims to investigate potential utility of 68Ga-FAPI PET/CT in predicting treatment response and disease prognosis such as formation of syndesmophytes and erosive changes.


Recruitment information / eligibility

Status Recruiting
Enrollment 50
Est. completion date August 1, 2025
Est. primary completion date August 1, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: 1. A diagnosis of SpA according to the ASAS (Assessment of Spondyloarthritis International Society) classification criteria for SpA. 2. Adult men or women 18 and = 65 years of age at the time of signing the informed consent (ICF). 3. participants who were able to provide informed consent (signed by participant or legal representative) and assent according to the guidelines of the Clinical Research Ethics Committee. Exclusion Criteria: 1. Pregnancy; 2. Breastfeeding; 3. known allergy against FAPI; 4. any medical condition that in the opinion of the investigator may significantly interfere with study compliance.

Study Design


Intervention

Diagnostic Test:
Drug: 68Ga-FAPI
Intravenous injection of one dosage of 111-185 MBq (3-5 mCi) 68Ga-FAPI. Tracer doses of 68Ga-FAPI will be used to image SpA lesions in SI joints, spine, musculoskeletal and the extra-articular involvement by PET/CT.

Locations

Country Name City State
China The first affiliated hospital of Xiamen University Xiamen Fujian

Sponsors (1)

Lead Sponsor Collaborator
The First Affiliated Hospital of Xiamen University

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary To define the distribution pattern of 68Ga-FAPI in SpA patients. To quantify 68Ga-FAPI tracer biodistribution in characteristic inflammatory tissue including SI joints, spine, and the peripheral joints versus conventional x ray examination or magnetic resonance imaging (MRI) techniques in adult active SpA. 68Ga-FAPI PET tracer biodistribution will be assessed by semi-quantitative analysis (unit/metrics = standardized uptake values (SUV)). 60 minutes following injection
Secondary Correlation between uptake of 68GA-FAPI and other parameters associated with disease activity. Correlation between uptake of 68GA-FAPI and parameters associated with disease activity including Ankylosing Spondylitis Disease Activity Score (ASDAS), Bath ankylosing spondylitis disease activity index (BSADAI), Bath ankylosing spondylitis functional index (BASFI),and Maastricht Ankylosing Spondylitis Enthesitis Score(MASES). The Standardized uptake value (SUV) of 68Ga-FAPI was calculated and analyzing the correlation between pathological results and parameters associated with disease activity. 30 days
Secondary Correlation between uptake of 68GA-FAPI change and disease activity change Correlation between change in standardized uptake value (SUV) of 68Ga-FAPI at inflammatory site with change in Ankylosing Spondylitis Disease Activity Score (ASDAS), Bath ankylosing spondylitis disease activity index (BSADAI), Bath ankylosing spondylitis functional index (BASFI),and Maastricht Ankylosing Spondylitis Enthesitis Score(MASES) at different disease stage. Up to 2 years
Secondary Correlation between uptake of 68GA-FAPI and therapy response Percentage of participants achieving ankylosing spondylitis disease activity score inactive disease [ASDAS ID (<1.3)] after 1 year standardized treatment in participants with high standardized uptake value (SUV) of 68Ga-FAPI and low standardized uptake value (SUV) of 68Ga-FAPI at baseline. Up to 2 years
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