Optic Nerve Sheath Ultrasound in Giant Cell Arteritis
Recruiting
Observational Study
Giant Cell Arteritis
Anterior Ischemic Optic Neuropathy
Optic Neuropathy, Ischemic
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 50 – 99
- Sex
- Any
- Study type
- Observational
- Participants needed
- 285 (estimated)
- Sponsor
- Centre Integre Universitaire de Sante et Services Sociaux du Nord de l'ile de Montreal · Other
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About This Trial
The Sonographic Assessment of the Optic Nerve Sheath in Giant Cell Arteritis (SONIC-GCA) study will evaluate the performance of the optic nerve sheath diameter (ONSD), measured via ultrasound, to diagnose and monitor GCA. SONIC-GCA builds upon our previous pilot studies and will answer the following questions:
1. What is the performance of ONSD to identify patients with new-onset, active GCA?
2. …
Trial Locations
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Eligibility Criteria
Our population of interest is patients referred from any settings for suspected, new-onset GCA.
Inclusion criteria:
To be included in SONIC-GCA, participants must meet all the following criteria:
1. Age \> 50 years.
2. Referral to a GCA clinic for suspected, new-onset GCA.
3. Ability to understan…
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