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Contribution of PET/CT With Gallium 68 Citrate (68Ga-PET/CT) for the Diagnosis of Prosthetic Valve Infective Endocarditis — CiGal-EI-TEP  

Infective Endocarditis Clinical Trial

Official title:
Contribution of PET/CT With Gallium 68 Citrate (68Ga-PET/CT) for the Diagnosis of Prosthetic Valve Infective Endocarditis

Clinical Trial Summary

CiGal-EI-TEP is an exploratory study that aim to assess the diagnostic performance of 68Ga Positron emission tomography (PET) / Computed Tomography (CT) for the diagnosis of prosthetic valve infective endocarditis in comparison with the final diagnosis established according to the ESC 2023 criteria, after 3 months of follow-up, by a panel of experts.

Clinical Trial Description

Diagnosis of prosthetic valve infective endocarditis is challenging. It is based on the modified criteria of the European Society of Cardiology (ESC) 2023 which include clinical, microbiological and imaging data. 18F-fluorodeoxyglucose (18FDG) PET/CT is a major diagnostic criterion for prosthetic valve infective endocarditis. In practice, 18FGD-PET/CT is carried out as soon as possible in all patients having valve repair materials and suspected of infective endocarditis on material. According to studies, the sensitivity of 18FDG-PET/CT is around 80% for the diagnosis of infective endocarditis on a prosthetic valve. The use of 18FDG requires a low carbohydrate diet the day before the exam. Compliance with this condition is difficult to obtain, in diabetic patients. Without following these instructions, interpretation of the heart valves is difficult, and this can leed to false negatives. The use of an another radiopharmaceutical drug could avoid these problem. PET/CT with Gallium 68 citrate (68Ga-PET/CT) could reduce the number of false negatives while having similar specificity to 18FDG-PET/CT for the diagnosis of infective endocarditis on prosthetic valve. The investigators therefore propose an exploratory study to assess the diagnostic performance of 68Ga-PET/CT for the diagnosis of prosthetic valve infective endocarditis in comparison with the final diagnosis established according to the ESC 2023 criteria, after 3 months of follow-up, by a panel of experts. Patient suspected of infective endocarditis on prosthetic valves will be included. The index test (68Ga-PET/CT) and the usual test (18FDG-PET/CT) will be performed in all participants. The 68Ga-PET/CT will be performed the day before, the same day or the next day after 18FDG-PET/CT. . Both PET/CT scans will be interpreted independently by two experienced nuclear physicians, blinded to the final diagnosis. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05446376
Study type Interventional
Source University Hospital, Bordeaux
Contact Carine GREIB, MD
Phone (0)5 57 65 64 83
Email carine.greib@chu-bordeaux.fr
Status Not yet recruiting
Phase Phase 2
Start date February 2024
Completion date February 2026
View Details
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