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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Opioid Induced Respiratory Depression Clear all
Completed Not applicable Interventional Results available

PRediction of Opioid-induced Respiratory Depression In Patients Monitored by capnoGraphY

NCT02811302
View directory record Official record
Conditions
Respiratory Depression
Interventions
Capnostream Monitor
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years and older
Enrollment
1,495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
9
States / cities
Aurora, Colorado • Atlanta, Georgia • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Jun 10, 2026, 6:32 PM EDT
Completed No phase listed Observational

Respiratory Control and Narcotic Effects

NCT04047550
View directory record Official record
Conditions
Ventilatory Depression, Opioid Intoxication, Opioid Toxicity
Interventions
Ventilatory chemosensitivity
Diagnostic Test
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2020 · Synced Jun 10, 2026, 6:32 PM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Impacts of Opioids on Respiratory Drive During Sleep

NCT06854211
View directory record Official record
Conditions
Opioids, Obstructive Sleep Apnea (OSA)
Interventions
Morphine p.o., Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Jun 10, 2026, 6:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacodynamic Evaluation of Intramuscular Nalmefene Autoinjector 1.5 mg Compared to Intranasal Narcan 4 mg

NCT06719986
View directory record Official record
Conditions
Opioid Overdose
Interventions
Nalmefene HCl injection, Naloxone HCl intranasal
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Jun 10, 2026, 6:32 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

ENA-001 for Opioid Induced Respiratory Depression

NCT06967259
View directory record Official record
Conditions
Respiratory Depression
Interventions
ENA-001, Placebo Comparator
Drug
Lead sponsor
Enalare Therapeutics Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Miami, Florida • Overland Park, Kansas • Eatontown, New Jersey
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jun 10, 2026, 6:32 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pupillometry in Identifying Risk of Postoperative Opioid-induced Respiratory Depression in Children Undergoing Tonsillectomy

NCT07573150
View directory record Official record
Conditions
Opioid-Induced Respiratory Depression, Postoperative Complications (Cardiopulmonary), Respiratory Complications Due to Anesthesia
Interventions
Infrared Pupillometry
Device
Lead sponsor
NeurOptics Inc
Industry
Eligibility
3 Years to 17 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
San Francisco, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jun 10, 2026, 6:32 PM EDT
Terminated No phase listed Observational

Recovery of Ventilation After General Anesthesia in Morbidly Obese Patients

NCT03925610
View directory record Official record
Conditions
Morbid Obesity, Opioid-Related Disorders, Surgery--Complications, Sleep Apnea Syndromes
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 21, 2021 · Synced Jun 10, 2026, 6:32 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Development of an Algorithm That Predicts Hypoventilation Due to an Opioid Overdose

NCT03845699
View directory record Official record
Conditions
Drug Overdose, Opioid-Related Disorders
Interventions
Diagnostic algorithms that detects/predicts hypoventilation
Device
Lead sponsor
RTM Vital Signs, LLC
Industry
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2019 · Synced Jun 10, 2026, 6:32 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Precision Medicine in Anesthesia: Genetic Component in Opioid-induced Respiratory Depression

NCT03441282
View directory record Official record
Conditions
Respiratory Depression
Interventions
Fentanyl
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Jun 10, 2026, 6:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pupillary Unrest in Ambient Light, and Relationship to Opioid-Induced Respiratory Depression

NCT04301895
View directory record Official record
Conditions
Opioid; Intoxication, Perception Disturbance (Acute), Acute Pain, Overdose of Opiate, Respiratory Depression, Safety Issues
Interventions
Continuous conversational interaction, Remifentanil infusion
Behavioral · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
20 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Jun 10, 2026, 6:32 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Outcomes Mandate National Integration With Cannabis as Medicine

NCT03944447
View directory record Official record
Conditions
Chronic Pain, Chronic Pain Syndrome, Chronic Pain Due to Injury, Chronic Pain Due to Trauma, Fibromyalgia, Seizures, Hepatitis C, Cancer, Crohn Disease, HIV/AIDS, Multiple Sclerosis, Traumatic Brain Injury, Sickle Cell Disease, Post Traumatic Stress Disorder, Tourette Syndrome, Ulcerative Colitis, Glaucoma, Epilepsy, Inflammatory Bowel Diseases, Parkinson Disease, Amyotrophic Lateral Sclerosis, Chronic Traumatic Encephalopathy, Anxiety, Depression, Insomnia, Autism, Opioid-use Disorder, Bipolar Disorder, Covid19, SARS-CoV Infection, COVID-19, Corona Virus Infection, Coronavirus
Interventions
Cannabis, Medical, RYAH-Medtech Inhaler
Drug · Device
Lead sponsor
OMNI Medical Services, LLC
Network
Eligibility
7 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
17
States / cities
Boca Raton, Florida • Bradenton, Florida • Fort Lauderdale, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Jun 10, 2026, 6:32 PM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Timing of Opioid Administration and Postoperative Respiratory Depression.

NCT07227389
View directory record Official record
Conditions
Respiratory Complications, Opioid Induced Respiratory Depression, Postoperative Respiratory Complications
Interventions
Respiratory volume monitoring
Diagnostic Test
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 85 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Mount Clemens, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Jun 10, 2026, 6:32 PM EDT
Enrolling by invitation Not applicable Interventional

Respiratory Monitoring System That Detects & Predicts OIRD

NCT07217197
View directory record Official record
Conditions
Respiration Disorders
Interventions
Study to evaluate a Respiratory Monitoring System (RMS) with a Tracheal Sound Sensor (TSS) for detecting and predicting opioid induced respiratory Depression (OIRD).
Device
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Jun 10, 2026, 6:32 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Antagonism of Opioid-Induced Respiratory Depression by CX1739 With Preservation of Opioid Analgesia

NCT02735629
View directory record Official record
Conditions
Opiate Induced Respiratory Depression
Interventions
CX1739 - 300 mg, CX1739 - 600 mg, CX1739 - 900 mg, Placebo
Drug
Lead sponsor
RespireRx
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 27, 2016 · Synced Jun 10, 2026, 6:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Predictors of Opioid-Induced Respiratory Depression (OIRD)

NCT02473354
View directory record Official record
Conditions
Respiratory Depression
Interventions
Remifentanil, Oxygen, Carbon dioxide
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Jun 10, 2026, 6:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Wearable Wireless Respiratory Monitoring System That Detects and Predicts Opioid Induced Respiratory Depression

NCT06442488
View directory record Official record
Conditions
Respiratory Insufficiency, Clinical Deterioration
Interventions
Respiratory Monitoring System
Device
Lead sponsor
Jeffrey Joseph
Other
Eligibility
18 Years to 70 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Jun 10, 2026, 6:32 PM EDT
Withdrawn Phase 3 Interventional

Nalmefene vs Naloxone for the Treatment of Recurrent Respiratory Depression After Opioid Overdose

NCT06408714
View directory record Official record
Conditions
Opioid Overdose, Opiate Overdose
Interventions
Nalmefene Injection, Naloxone Injection
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 9, 2025 · Synced Jun 10, 2026, 6:32 PM EDT
Completed No phase listed Observational

Critical Respiratory Events in Children Requiring Naloxone: Naloxone Use as Opioid Safety Measure

NCT01860885
View directory record Official record
Conditions
Opioid Induced Respiratory Depression
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Day and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 22, 2013 · Synced Jun 10, 2026, 6:32 PM EDT