Status:

COMPLETED

Pupillary Unrest as an Indicator of Central Opioid Effect in Subjects 40-60 Years of Age

Lead Sponsor:

University of California, San Francisco

Conditions:

Opioid Toxicity

Pupillary Miosis

Eligibility:

All Genders

40-60 years

Phase:

PHASE2

PHASE3

Brief Summary

This study will establish the relationship between magnitude of opioid exposure and a pupillary measure referred to as PUAL (pupillary unrest in ambient light), in subjects aged 40-60. Previous invest...

Detailed Description

Healthy volunteer subjects aged 40-60 will receive a standardized weight-based 10-minute remifentanil infusion protocol to achieve a peak estimated remifentanil effect site concentration of approximat...

Eligibility Criteria

Inclusion

  • Healthy, BMI \< 35 kg/m2

Exclusion

  • current or recent opioid use
  • opioid or other substance use disorder
  • known or suspected OSA or sleep disordered breathing
  • ischemic heart disease, heart failure or symptomatic arrhythmia history
  • ocular disease or previous eye surgery
  • active use of alpha adrenergic blockers, anticholinergic medications,
  • active use of antidepressant or mood stabilizing medications
  • active use of phosphodiesterase inhibitors
  • use of stimulant or appetite suppressant medications
  • active use of antihypertensive or antiarrhythmic medications
  • use of topical eye medications.

Key Trial Info

Start Date :

October 1 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 3 2023

Estimated Enrollment :

10 Patients enrolled

Trial Details

Trial ID

NCT05391555

Start Date

October 1 2022

End Date

June 3 2023

Last Update

May 2 2025

Active Locations (1)

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1

University of California San Francisco

San Francisco, California, United States, 94143