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Pupillary Dilation Reflex in Healthy Volunteers

Children's National Research Institute · NCT07746167

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 18–60 · All sexes
Healthy volunteers
Accepted
Study type
Observational
Target enrollment
60
US sites recruiting
1
Study start
April 29, 2026
Record last updated
August 4, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

This a single site, observational study that will examine how the pupil responds to neurostimulation under different conditions in healthy adults. The objective is to measure pupillary dilation reflex (PRD) in response to increasing neurostimulation intensities using the AlgometRx device.

Being studied: No intervention (observational study)

Conditions: Healthy Participants

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full criteria

Inclusion Criteria

  • Age 18-60 years.
  • In good general health (self-reported).
  • Able and willing to provide written informed consent.

Exclusion Criteria

  • Eye pathology that prevents accurate pupillometry.
  • Pregnancy (Self-Report)
  • Diagnosis of autoimmune disorders.
  • Diagnosis of any neuropathic disorder
  • Inability to complete questionnaires.

Recruiting US locations

  • Children's National Hospital

    Washington D.C., DC 20010

    Site contact: Julia Finkel, MD · 202-476-4867 · jfinkel@childrensnational.org

All healthy volunteers studies in District of Columbia →
Pupillary Dilation Reflex in Healthy Volunteers (NCT07746167) | Bored Studies