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Association of Ultrasonographic Temporal Artery Lesions and Relapse in Patients With Giant Cell Arteritis

This study is investigating if ultrasound scans of blood vessels in people with Giant Cell Arteritis (GCA) can help predict if their condition will get worse or 'relapse'. GCA is a condition where medium to large blood vessels become inflamed. While doctors already use ultrasound to examine these vessels, it's not fully understood how specific changes seen on these scans link to future flare-ups. This study will follow 100 people with GCA over three usual clinic visits. Researchers will compare their clinical symptoms, blood tests, and ultrasound results to see if there's a pattern that could help predict the disease's course. This could lead to better ways of monitoring GCA and managing treatment.

At a glance

Status
Recruiting
Sponsor
University Hospital, Brest
Enrolment target
100
Start
05 Aug 2025
Estimated completion
01 Aug 2028

What is this study about?

This study aims to understand Giant Cell Arteritis (GCA) better, specifically focusing on how we can predict if the condition might get worse or have a 'flare-up'. GCA is a condition that causes inflammation in blood vessels, particularly the medium and large ones, such as those in your temples and armpits. Doctors already use ultrasound scans to look at these blood vessels, and we know that GCA causes changes that can be seen on these scans. However, we don't yet fully know if these changes can tell us when a flare-up might happen.

The main goal of this research is to see if there's a connection between what doctors see on an ultrasound scan of your arteries and whether your GCA symptoms come back or get worse. The study will follow 100 patients who already have GCA and are having regular check-ups. During these check-ups, doctors will do a combination of clinical examinations (like checking your symptoms), blood tests, and ultrasound scans. By carefully looking at all this information together over time, the researchers hope to find patterns that link the ultrasound findings to the progression of your GCA.

This study is important because if we can better predict when GCA might flare up, it could help doctors adjust treatments more effectively, potentially preventing complications and improving your quality of life. It uses information gathered during your standard care, so it won't involve any extra tests or different treatments than what you would normally receive.

Key takeaways

  • Study looks at GCA and predicting flare-ups.
  • Uses routine ultrasound scans and check-up information.
  • No extra tests or clinic visits needed.
  • Aims to improve GCA management for everyone.
  • You continue your usual GCA care if you participate.

Who may be eligible?

To join this study, you need to be an adult (aged 18 or over). You must also have been diagnosed with Giant Cell Arteritis (GCA) according to specific medical guidelines (ACR 2022 criteria for GCA).

It's also important that you understand what the study involves and are able to give your consent to take part. If you have a guardian or curator (someone legally appointed to make decisions for you), or if you are not covered by the French social security system, you would unfortunately not be able to join this particular study. Also, if you don't want to participate, that's perfectly fine, and you won't be included.

Could this study suit you?

Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.

  1. Are you 18 years old or older?
  2. Have you been diagnosed with Giant Cell Arteritis (GCA) by a doctor?
  3. Are you able to understand what it means to be part of a study?
  4. Are you regularly followed up for your GCA conditions?
Answer every question to see your result.

What does participation involve?

If you decide to take part in this study, it will be very straightforward because it uses information from your usual follow-up appointments for Giant Cell Arteritis (GCA). You won't need any extra visits or different treatments. The study will simply involve gathering details from three of your regular check-ups over a period of time. During these check-ups, your doctor will do their usual clinical examination, take blood samples for routine tests, and perform an ultrasound scan of your temporal arteries, which is a standard part of GCA monitoring. In total, the study will involve data collected over these three routine visits, with no additional assessments or requirements from your side.

Potential risks and benefits

Because this study only uses information collected during your routine medical care for Giant Cell Arteritis, there are no additional risks involved beyond those already associated with your standard check-ups. You won't receive any new treatments or undergo any extra procedures. The potential benefit is that the information gathered from many patients like yourself could help doctors better understand GCA and learn how to predict when it might flare up. This could ultimately lead to improved care for all GCA patients in the future. You have the right to withdraw from the study at any time without affecting your medical care.

Locations (2)

  • Chu Brest
    Verified postcode
    Brest, France· Recruiting
  • Ch Quimper
    Verified postcode
    Quimper, France· Recruiting

Common questions

What is Giant Cell Arteritis (GCA)?

GCA is an inflammation of blood vessels, mainly affecting the medium and large arteries, often in the head and neck.

What is the purpose of this study?

The study aims to see if changes in your blood vessels seen on ultrasound scans can predict if your GCA will flare up or get worse.

Do I need any extra appointments for this study?

No, the study will use information from your regular medical check-ups for GCA, so you won't have any extra appointments.

Will I get different treatment if I join?

No, your treatment will remain exactly the same as what your doctor normally prescribes for your GCA.

Who is running this study?

This is a research study involving medical centres that treat patients with Giant Cell Arteritis.

How to find out more

Sandrine Pr JOUSSE-JOULIN

Always speak to your GP or specialist before deciding to take part in a study.

Interested in taking part?

Register your interest

Share your details and the research team for "Association of Ultrasonographic Temporal Artery Lesions and …" will contact you if you may be eligible. Always speak to your GP before agreeing to take part.

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