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Objectively Diagnose and Monitor Treatment of Light Sensitivity

StatusRecruiting
PhaseNot applicable
Started
View on ClinicalTrials.gov ↗

Record History

  1. 2 versions Re-verified since Nov 18, 2025, no change to tracked fieldsv11-v12
  2. Primary and study completion dates: Jan 1, 2025 to Jan 1, 2028v10
  3. Primary and study completion dates: Dec 1, 2023 to Jan 1, 2025v9
  4. Primary and study completion dates: Dec 1, 2021 to Dec 1, 2023v8
  5. Primary completion date: Jul 1, 2021 to Dec 1, 2021
    • Study completion date: Aug 1, 2021 to Dec 1, 2021
    v7
Show 5 earlier versionsHide 5 earlier versions
  1. Re-verified, no change to tracked fieldsv6
  2. Primary completion date: Jul 1, 2020 to Jul 1, 2021
    • Study completion date: Jan 1, 2021 to Aug 1, 2021
    v5
  3. Trial status: Not Yet Recruiting to Recruiting
    • Study sites: 0 to 1
    • Start date changed from estimate of Jun 15, 2019 to Jul 11, 2019
    v4
  4. Start date: Apr 15, 2019 to Jun 15, 2019v3
  5. Start date: Oct 15, 2018 to Apr 15, 2019v2
  1. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
Randy Kardon
3 trials monitored
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Migraine
482 trials monitored
See 26 trials at risk
The purpose of this project is to provide a new framework for diagnosing and monitoring treatment of light sensitivity and headache by objective measurement of facial features, pupil responses, retinal electrical responses and autonomic nerve responses to light.
Trial Details
NCT Number NCT03694626
Lead Sponsor Randy Kardon
Conditions
(from sponsor)		 Photophobia, Traumatic Brain Injury, Migraine
Related terms Brain Injuries, Traumatic, Migraine Disorders, Photophobia
Enrollment 120 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov