Condition: Giant Cell Arteritis · Sponsor: Fondation Ophtalmologique Adolphe de Rothschild
Giant cell arteritis (GCA), also known as Horton's disease, is an inflammatory arteritis of the large and medium-sized arteries, with an estimated incidence of 17.8/100,000 in people over 50. The disease presents potential ophthalmological, neurological, cardiac and aortic vascular complications, making diagnosis an emergency in cases of suspected Horton's disease. only corticosteroid therapy started as early as possible can prevent these complications. Diagnosis has historically relied on temporal artery biopsy, but the recent ACR/EULAR 2022 classification criteria propose alternatives to this invasive examination, in particular imaging tests such as temporal artery ultrasound and PET scans. Although not included in these latest recommendations, high-definition wall MRI can also provide arguments in favor of this diagnosis, and avoid the need for a temporal artery biopsy, the sensitivity of which is only 75%. The investigators recently demonstrated in a prospective cohort that wall MRI, possibly coupled with temporal artery ultrasound or retinal angiography, was far superior to temporal artery biopsy in diagnostic performance. The main limitation of these imaging tests is the lack of data in the literature on the evolution of abnormalities over time, and in particular after initiation of oral corticosteroid therapy. This uncertainty makes it difficult to use these examinations to monitor disease activity, particularly in cases of suspected relapse, a frequent situation i…
This description comes directly from the study's public registry record.
Amélie Yavchitz, PhD · 0148036454 · ayavchitz@for.paris
Gaelle Clavel-Refregiers, PhD · 01 48 03 62 28 · gclavel@for.paris
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| Hopital Fondation Adolphe de Rothschild | Paris, France | Recruiting |
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