ArthritisEarly Phase 1NCT04514614
Characterizing Rheumatoid Arthritis With 68Ga-FAPI PET/CT
A Early Phase 1 study testing 68Ga-FAPI in people with Arthritis, run by Peking Union Medical College Hospital at 1 site in China.
Trial summary
68Ga-FAPI has been developed as a tumor-targeting agent as fibroblast activation protein is overexpressed in cancer-associated fibroblasts and some inflammation, such as IgG4-related disease and inflammatory bowel disease. Read more about this study
- Who is it for?
- Ages 18 to 90 years
- Conditions the study is for
- Arthritis
- What is being tested?
- 68Ga-FAPI
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 100 participants
- Where
- 1 siteChina
- Study dates
- 1 Sep 2020to 1 Dec 2022
- Phase
- Early Phase 1
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 90 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- suspected or confirmed untreated arthritis patients;
- 18F-FDG PET/CT within two weeks;
- signed written consent.
Who cannot join
- pregnancy;
- breastfeeding;
- known allergy against FAPI
- any medical condition that in the opinion of the investigator may significantly interfere with study compliance.
Trial locations and contacts
1 site in 1 country.
China1 site, 1 recruiting
- Recruiting
Peking Union Medical College Hospital
Beijing, Beijing Municipality, 100730
Yaping Luo, MD, 86-10-69155513, luoyaping@live.com
Qingqing Pan, 86-10-69155513, pqqelvay@126.com
About this study
68Ga-FAPI has been developed as a tumor-targeting agent as fibroblast activation protein is overexpressed in cancer-associated fibroblasts and some inflammation, such as IgG4-related disease and inflammatory bowel disease. Some researches identified FAP expression in synovial samples taken from both rheumatoid arthritis and osteoarthritis patients.Thus this prospective study is going to investigate whether 68Ga-FAPI PET/CT may be superior for diagnosis, therapy response assessment and follow-up of arthritis than 18F-FDG PET/CT.
Read the detailed description
Arthritis is a term used to mean any disorder that affects the joints. The two most common forms of arthritis are osteoarthritis and rheumatoid arthritis.Rheumatoid arthritis is an autoimmune chronic inflammatory disease of unknown etiology and is characterized by chronic inflammation of the joint capsule's synovial membrane. This chronic inflammation ultimately destroys the underlying cartilage and bone. Activated fibroblast-like synoviocytes (FLS) line the synovial membrane and are a prominent cell type responsible for inflammation and joint destruction. Osteoarthritis is characterized by degradation of joint cartilage. Studies demonstrate chondrocytes expressed FAP and that chondrocyte FAP expression was elevated in patients with osteoarthritis. Other researches identified FAP expression in synovial samples taken from both rheumatoid arthritis and osteoarthritis patients. However, FAP expression was greater in samples taken from refractory rheumatoid arthritis patients in comparison to end-stage osteoarthritis patients.68Ga-FAPI has been developed as a tumor-targeting agent as fibroblast activation protein is overexpressed in cancer-associated fibroblasts and some inflammation, such as IgG4-related disease and inflammatory bowel disease. Recently the investigators have published an article of the application of 68Ga-FAPI in IgG4-related disease which showed it was more sensitive than FDG in detecting a certain type of inflammations. Thus this prospective study is going to investigate whether 68Ga-FAPI PET/CT may be superior for diagnosis, therapy response assessment and follow-up of arthritis than 18F-FDG PET/CT.
- Conditions
- Arthritis
- Being tested
- 68Ga-FAPI
- Medical subject headings
- Arthritis
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
68Ga-FAPIDrug
Also called 68Ga-fibroblast activating protein inhibitors
Intravenous injection of one dosage of 74-148 MBq (2-4 mCi) 68Ga-FAPI. Tracer doses of 68Ga-FAPI will be used to image lesions of arthritis by PET/CT.
| Study group | Role | What they receive |
|---|---|---|
| 68Ga-FAPI, PET/CT | Experimental | Inject 68Ga-FAPI and then perform PET/CT scan. Receives: Drug: 68Ga-FAPI |
What is being measured
The primary outcome is the main question the study is designed to answer.
Diagnostic value
Sensitivity and Specificity of 68Ga-FAPI PET/CT for IgG4-RD in comparison with 18F-FDG PET/CT.
Measured: through study completion, an average of 1 year
Secondary outcomes (4)
Metabolic parameters
Total Lesion Glycolysis (TLG) of focal lesions are measured on 68Ga-FAPI PET/CT.
Measured: Time Frame: through study completion, an average of 1 year
Disease burden assessement
whether Total Lesion Glycolysis (TLG) assessed on 68Ga-FAPI PET/CT was correlated with clinical parameters for arthritis using correlation coefficients analysis
Measured: through study completion, an average of 1 year
FAPI expression and SUV
Correlation between FAPI expression and SUV in PET
Measured: through study completion, an average of 1 year
Therapy response
Change of Total Lesion Glycolysis (TLG) on 68Ga-FAPI PET/CT after therapy
Measured: through study completion, an average of 1 year
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted17 Aug 2020
- Study start1 Sep 2020
- Primary completion1 Jan 2022 (estimated)
- Study completion1 Dec 2022 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (2)Papers the sponsor has linked to this study.
- Other trials for ArthritisStudies of the same condition, open and under way.
- More trials run by Peking Union Medical College HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Early Phase 1
- Primary purpose
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 100 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Peking Union Medical College Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Yaping Luo, MD, Principal investigator, Peking Union Medical College Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04514614
- Sponsor's protocol ID
- PekingUMCHFAPIRA
- Status last verified
- Jan 2021
- First submitted
- 7 Aug 2020
- Last updated
- 26 Jan 2021
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Yang D, Chen J, He G, Zhou Z, Xu J, Peng Y, Shen X, Jiang X, Pan Q, Zhao L, Fei Y, Luo Y, Yang H. Comparisons of [68 Ga]Ga-FAPI-04 PET/CT with X-ray imaging in the assessment of patients with rheumatoid arthritis. Clin Rheumatol. 2025 Jun;44(6):2191-2199. doi: 10.1007/s10067-025-07414-y. Epub 2025 Apr 28.
PubMed 40293620Pan Q, Yang H, Zhou Z, Li M, Jiang X, Li F, Luo Y, Li M. [68 Ga]Ga-FAPI-04 PET/CT may be a predictor for early treatment response in rheumatoid arthritis. EJNMMI Res. 2024 Jan 4;14(1):2. doi: 10.1186/s13550-023-01064-4.
PubMed 38175339
Study at a glance
From the registry record, last updated by the sponsor on 26 Jan 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Characterizing Rheumatoid Arthritis With 68Ga-FAPI PET/CT
- ClinicalTrials.gov ID
- NCT04514614
- Acronym / sponsor ID
- PekingUMCHFAPIRA
- Conditions
- Arthritis
- Phase
- Early Phase 1
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 100 participants (estimated)
- Lead sponsor
- Peking Union Medical College HospitalUniversity, hospital or other
- Study start
- 1 Sep 2020 (actual)
- Primary completion
- 1 Jan 2022 (estimated)
- Study completion
- 1 Dec 2022 (estimated)
- First posted
- 17 Aug 2020 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
68Ga-FAPI has been developed as a tumor-targeting agent as fibroblast activation protein is overexpressed in cancer-associated fibroblasts and some inflammation, such as IgG4-related disease and inflammatory bowel disease. Some researches identified FAP expression in synovial samples taken from both rheumatoid arthritis and osteoarthritis patients.Thus this prospective study is going to investigate whether 68Ga-FAPI PET/CT may be superior for diagnosis, therapy response assessment and follow-up of arthritis than 18F-FDG PET/CT.
Detailed description
Arthritis is a term used to mean any disorder that affects the joints. The two most common forms of arthritis are osteoarthritis and rheumatoid arthritis.Rheumatoid arthritis is an autoimmune chronic inflammatory disease of unknown etiology and is characterized by chronic inflammation of the joint capsule's synovial membrane. This chronic inflammation ultimately destroys the underlying cartilage and bone. Activated fibroblast-like synoviocytes (FLS) line the synovial membrane and are a prominent cell type responsible for inflammation and joint destruction. Osteoarthritis is characterized by degradation of joint cartilage. Studies demonstrate chondrocytes expressed FAP and that chondrocyte FAP expression was elevated in patients with osteoarthritis. Other researches identified FAP expression in synovial samples taken from both rheumatoid arthritis and osteoarthritis patients. However, FAP expression was greater in samples taken from refractory rheumatoid arthritis patients in comparison to end-stage osteoarthritis patients.68Ga-FAPI has been developed as a tumor-targeting agent as fibroblast activation protein is overexpressed in cancer-associated fibroblasts and some inflammation, such as IgG4-related disease and inflammatory bowel disease. Recently the investigators have published an article of the application of 68Ga-FAPI in IgG4-related disease which showed it was more sensitive than FDG in detecting a certain type of inflammations. Thus this prospective study is going to investigate whether 68Ga-FAPI PET/CT may be superior for diagnosis, therapy response assessment and follow-up of arthritis than 18F-FDG PET/CT.
Study design
- Primary purpose
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| 68Ga-FAPI, PET/CT | Experimental | Drug: 68Ga-FAPIInject 68Ga-FAPI and then perform PET/CT scan. |
Who may qualify
- Ages
- 18 to 90 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- suspected or confirmed untreated arthritis patients;
- 18F-FDG PET/CT within two weeks;
- signed written consent.
Key exclusion criteria (4 listed)
- pregnancy;
- breastfeeding;
- known allergy against FAPI
- any medical condition that in the opinion of the investigator may significantly interfere with study compliance.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| 68Ga-FAPIAlso: 68Ga-fibroblast activating protein inhibitorsIntravenous injection of one dosage of 74-148 MBq (2-4 mCi) 68Ga-FAPI. Tracer doses of 68Ga-FAPI will be used to image lesions of arthritis by PET/CT. | Drug | 68Ga-FAPI, PET/CT |
Primary outcome
Diagnostic value
Time frame: through study completion, an average of 1 year
Sensitivity and Specificity of 68Ga-FAPI PET/CT for IgG4-RD in comparison with 18F-FDG PET/CT.
4 secondary outcomes
Metabolic parameters
Time frame: Time Frame: through study completion, an average of 1 year
Disease burden assessement
Time frame: through study completion, an average of 1 year
FAPI expression and SUV
Time frame: through study completion, an average of 1 year
Therapy response
Time frame: through study completion, an average of 1 year
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 26 Jan 2021.
- Derived from this study: PubMed 40293620Yang D, Chen J, He G, Zhou Z, Xu J, Peng Y, Shen X, Jiang X, Pan Q, Zhao L, Fei Y, Luo Y, Yang H. Comparisons of [68 Ga]Ga-FAPI-04 PET/CT with X-ray imaging in the assessment of patients with rheumatoid arthritis. Clin Rheumatol. 2025 Jun;44(6):2191-2199. doi: 10.1007/s10067-025-07414-y. Epub 2025 Apr 28.
- Derived from this study: PubMed 38175339Pan Q, Yang H, Zhou Z, Li M, Jiang X, Li F, Luo Y, Li M. [68 Ga]Ga-FAPI-04 PET/CT may be a predictor for early treatment response in rheumatoid arthritis. EJNMMI Res. 2024 Jan 4;14(1):2. doi: 10.1186/s13550-023-01064-4.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Yaping Luo, MD principal investigator
Peking Union Medical College Hospital
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Early Phase 1 study testing 68Ga-FAPI in people with Arthritis, run by Peking Union Medical College Hospital at 1 site in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 26 Jan 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Early Phase 1 (sometimes called Phase 0) studies give a very small amount of a treatment to a few people, mainly to see how the body handles it.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Yaping Luo, MD (86-10-69155513, luoyaping@live.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Diagnostic value (time frame: through study completion, an average of 1 year). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT04514614, which also lists 2 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Jan 2021.