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The goal of this observational study is to quantify activity and extent of disease in patients with GPA using 18F-FDG PET/CT. The main questions it aims to answer are:
Sensitivity of 18 F-FDG PET/CT in patients with GPA? Correlation of 18F-FDG PET/CT semi-quantitative parameters with BVAS v3?
Patients age more than 18 with active GPA were recruited and 18F-FDG PET/CT was done after clinical assessment and evaluation. BVAS v3 score was calculated and then patients underwent 18F-FDG PET/CT. Findings of the scans were evaluated by expert nuclear medicine physicians and various semiquantitative parameters were calculated. Sensitivity was then calculated and correlation of BVAS v3 score was done with the calculated semiquantitative parameters.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PATIENTS WITH ACTIVE GPA |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| 18F-FDG | Drug | 18 F-FDG PET/CT was done for patients with active GPA |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Per-patient sensitivity of 18F-FDG PET/CT for detection of clinically active GPA and correlation of 18 F-FDG PET/CT semiquantitative parameters with BVAS v3 | Baseline |
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Inclusion Criteria: Patients with newly diagnosed or relapsed active GPA, Age more than or equal to18 years.
Exclusion Criteria: Pregnant/ lactating women and non-consenting adults
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Newly diagnosed/ relapsed active GPA patients with BVAS v3 more than or equal to 1.
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| Name | Affiliation | Role |
|---|---|---|
| Dr Harmandeep Singh, MD | Postgraduate Institute of Medical Education and Research, Chandigarh, 160012 | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Nuclear Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh | Chandigarh | Chandigarh | 160012 | India |
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| ID | Term |
|---|---|
| D014890 | Granulomatosis with Polyangiitis |
| ID | Term |
|---|---|
| D017563 | Lung Diseases, Interstitial |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D056648 | Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis |
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| ID | Term |
|---|---|
| D019788 | Fluorodeoxyglucose F18 |
| ID | Term |
|---|---|
| D003847 | Deoxyglucose |
| D003837 | Deoxy Sugars |
| D002241 | Carbohydrates |
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| 18F-FDG PET/CT |
| Device |
Use of 18F-FDG PET/CT scan in patients with active GPA |
|
| D056647 | Systemic Vasculitis |
| D014657 | Vasculitis |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D017445 | Skin Diseases, Vascular |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |