NCT06989996Not yet recruiting
Study of Human Ocular Hemodynamics by Holography Dopple
Source: ClinicalTrials.gov · Last updated 25 May 2025 · Not updated for over 12 months - ask the site whether it is still open
Brief summary (registry, in English)
Prospective, interventional, non-randomized, open-label study, multi-center, Gehan-designed study with sequential inclusions in each subgroup, ranging from 4 subjects to a maximum 37 subjects per subgroup included
- Status (registry)
- Not yet recruiting
- Study type
- Interventional
- Enrollment
- 148 (estimated)
- First submitted
- 2 May 2025
- Start date
- Jun 2025
- Primary completion date
- Jun 2028
- Lead sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
- Diseases
- Glaucoma
- NCT number
- NCT06989996
What you commit to
- Study type: Interventional
- Planned participants: 148
- From Jun 2025 to the primary completion date, Jun 2028
- No sites listed in no country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- Participants allergic to tropicamide when using pupillary dilatation;
- Temporary contraindication to HoloDoppler:
- Patient suffering from viral conjunctivitis or any other infectious disease;
- Patient with skin lesions on the neck or forehead, for which contact with a chin strap is not recommended.
- Wearing glasses or contact lenses to correct a refractive disorder is not considered a criterion for non-inclusion.
Age
- Women of childbearing age not using an effective method of contraception, or positive pregnancy test (blood or urine);
Other
- For all participants:
- Persons covered by articles L1121-5 to L1121-8 of the CSP (all protected persons: pregnant women, parturients, nursing mothers, persons deprived of their liberty by judicial decision or administrative decision, minors, and persons under legal protection: guardianship or curatorship);
- Inability of the subject to maintain a stable sitting position for research procedures;
- Impossibility of making acquisitions of interest (e.g. due to a pupil diameter that is too small, advanced cataracts, nystagmus, etc.).
Who the study is looking for
- Criteria common to both populations ( patients and healthy volunteers) :
- Age ≥ 18 years and \< 75 years;
- Having received informed information about the study and having signed a consent to participate in the study;
- Affiliated or covered by social security
- Criteria for healthy volunteers :
- No ocular or systemic disease deemed to affect ocular circulation by an investigator
- Specific criteria for patients:
- Subjects usually followed at one of the recruiting centers;
- Patients with chronic glaucoma, for whom a therapeutic modification is planned in the short term;
- Patients with carotid stenosis;
- Patients with choroidal pathology: pachychoroidism having led to pigment epithelium anomalies.
Age in the registry: 18 years to 74 years · Sex: All · Accepts healthy volunteers
This page is information, not medical advice. Discuss any trial with your doctor.