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CompletedNCT04204512ECHORTONUpdated Aug 24, 2021

Comparison of 22Mhz and 18Mhz High-frequency Probes for the Ultrasound Study of Temporal Arteries in Patients Suspected of Having Giant Cell Arteritis

An observational study in Giant Cell Arteritis, sponsored by University Hospital, Brest. Completed at 1 site in France. Open to participants aged 50 Years and older. Per ClinicalTrials.gov, last updated 2021-08-24.

Sponsored by University Hospital, Brest · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
80
Ages
50 Years and older
Sex
All
01

Study summary

Evaluation of the structural features of temporal arteritis using two frequencies probes: 18 and 22Mhz.

Read the detailed description

Comparison of the results obtained by using 2 different frequencies probes in the diagnosis of giant cell arteritis

02

Conditions studied

  • Giant Cell Arteritis

Keywords

  • ultrasound,
  • giant cell arteritis
03

In context

Polymyalgia Rheumatica

135 studies on the registry are indexed under Polymyalgia Rheumatica; 28 are open to participants now.

This study's enrollment of 80 is below the median of 114 across 65 observational studies indexed under Polymyalgia Rheumatica.

Browse Polymyalgia Rheumatica studies →

Lead sponsor

University Hospital, Brest is the lead sponsor of 594 studies on the registry; 135 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
50 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Probability sample

Study population

patients with suspicion of giant cell arteritis

Inclusion criteria

  • sedimentation rate> 50 mm/h or recent unusual headache or unusual fever, recent visual trouble or jaw claudication, or induration temporal arteritis

Exclusion criteria

Exclusion Criteria:

  • previous diagnosis of giant cell arteritis and relapse of the giant cell arteritis and opposition to participate
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
80 participants (actual)
Patient registry
No
06

What researchers measure

Primary outcomes

  1. halo sign of temporal arteritis

    hypoechogenicity of the wall artery

    Time frame: inclusion

  2. compression sign of of temporal arteritis

    persistent of increased inflammatory arteries wall

    Time frame: inclusion

Secondary outcomes

  1. halo sign of carotid arteritis

    hypoechogenicity of the wall artery

    Time frame: inclusion

  2. halo sign of subclavian arteritis

    hypoechogenicity of the wall artery

    Time frame: inclusion

  3. halo sign of axillary arteritis

    hypoechogenicity of the wall artery

    Time frame: inclusion

  4. other structural abnormalities in unilateral B mode

    stenosis, occlusion

    Time frame: inclusion

  5. other structural abnormalities in bilateral B mode

    stenosis, occlusion

    Time frame: inclusion

07

Study locations

1 site
  • CHRU de Brest
    Brest, 29609, France
08

References and documents

Individual participant data

Plan to share: Yes — All collected data that underlie results in a publication

Supporting information: Study protocol

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 24, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04204512
Lead sponsor
University Hospital, Brest
Responsible party
Sponsor
First posted
Dec 19, 2019
Start date
Dec 17, 2019
Primary completion
Aug 24, 2020
Completion
Aug 24, 2020
Last update
Aug 24, 2021

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jul 2021. You cannot join it, but the record below documents what was studied.

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