Pupillary Unrest in Ambient Light, and Relationship to Opioid-Induced Respiratory Depression
Public ClinicalTrials.gov record NCT04301895. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Pupillary Unrest in Ambient Light, and Relationship to Opioid-Induced Respiratory Depression in Volunteers
Study identification
- NCT ID
- NCT04301895
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- University of California, San Francisco
- Other
- Enrollment
- 20 participants
Conditions and interventions
Conditions
Interventions
- Continuous conversational interaction Behavioral
- Remifentanil infusion Drug
Behavioral · Drug
Eligibility (public fields only)
- Age range
- 20 Years to 55 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 29, 2019
- Primary completion
- Sep 2, 2019
- Completion
- Sep 2, 2019
- Last update posted
- Mar 9, 2020
2019
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California San Francisco | San Francisco | California | 94143 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04301895, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 9, 2020 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04301895 live on ClinicalTrials.gov.