Measuring Pupillary Response in Children with Brain Injuries After Osmotherapy

Quantitative Pupillometry in Brain Injury Children : Variation After Osmotherapy

Observational University Hospital, Grenoble · NCT06642896

This study is testing a new way to measure how children's pupils react after brain injuries to see if it helps doctors better understand and treat high pressure in the brain.

Quick facts

Study typeObservational
Enrollment90 (estimated)
Ages1 Month to 17 Years
SexAll
SponsorUniversity Hospital, Grenoble Academic / other
Locations2 sites (Grenoble, ISERE and 1 other locations)
Trial IDNCT06642896 on ClinicalTrials.gov

What this trial studies

This observational study aims to evaluate the effectiveness of quantitative pupillometry in assessing pupillary reactivity in children with brain injuries, particularly those experiencing intracranial hypertension. By using advanced pupillometers, the study seeks to provide objective measurements of pupillary constriction and reactivity, which are critical indicators of neurological status. The research will focus on children admitted to pediatric intensive care units within 24 hours of suspected intracranial hypertension, and it will analyze changes in pupillary response following osmotherapy treatment. The goal is to improve the identification and management of intracranial hypertension in pediatric patients.

Who should consider this trial

Good fit: Ideal candidates for this study are children hospitalized in pediatric intensive care units with clinically suspected intracranial hypertension who are prescribed osmotherapy.

Not a fit: Patients with pre-existing eye damage or those who refuse participation may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more accurate and timely assessments of intracranial hypertension in children, potentially improving outcomes and reducing neurological complications.

How similar studies have performed: While there are limited studies on quantitative pupillometry in pediatric patients, existing research in adults has shown promising results, indicating potential for success in this novel application.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Hospitalized in a pediatric intensive care unit or neurosurgical intensive care unit
* Inclusion within 24 hours of ICU admission
* with clinically suspected HTIC (disorders of consciousness with transcranial Doppler abnormality, symptoms of involvement, poor cerebral perfusion pressure) for which osmotherapy is prescribed

Exclusion Criteria:

* Presence of eye damage (or antecedent)
* Refusal by parents and/or child Opposition by child or parental guardians.
* Persons not affiliated to the social security system.
* Protected persons (under guardianship, curatorship, pregnant or breast- feeding women, persons deprived of their liberty, persons not subject to a psychiatric measure

Where this trial is running

Grenoble, ISERE and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Children Brain Injurybrain lesionpupillometryassess variation in the percentage of pupillary constrictionchildrensevere head trauma
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.