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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ventilatory Depression Clear all
Completed No phase listed Observational

Evaluating the Use of a Device Called Impulse Oscillometry in Participants With Vocal Cord Disorders or Asthma

NCT05246930
View directory record Official record
Conditions
Breathing, Mouth, Lung Function Decreased, Vocal Cord Dysfunction, Laryngeal Obstruction, Asthma
Interventions
Impulse Oscillometer
Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
43 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Jul 22, 2026, 4:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Clinical Study to Investigate the Effect of the Combination of Psychotropic Drugs and an Opioid on Ventilation

NCT04310579
View directory record Official record
Conditions
Hypercapnia, Ventilatory Depression
Interventions
Oxycodone and Midazolam, Oxycodone, Paroxetine, and Quetiapine
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Jul 22, 2026, 4:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Selective Serotonin Reuptake Inhibitors (SSRIs) and an Opioid on Ventilation

NCT05470465
View directory record Official record
Conditions
Hypercapnia, Ventilatory Depression
Interventions
Placebo and Oxycodone, Paroxetine and Oxycodone, Escitalopram and Oxycodone
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Jul 22, 2026, 4:47 AM EDT
Completed No phase listed Observational

Patient Controlled Analgesia Pharmacogenetic Study

NCT01731873
View directory record Official record
Conditions
Pain
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 18 Years
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Jul 22, 2026, 4:47 AM 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 Jul 22, 2026, 4:47 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

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

NCT05391555
View directory record Official record
Conditions
Opioid Toxicity, Pupillary Miosis, Respiratory Depression
Interventions
Remifentanil Hydrochloride, Pupillometry measurement
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Jul 22, 2026, 4:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Application of Capnography Monitoring on the General Care Nursing Unit

NCT00457080
View directory record Official record
Conditions
Postoperative Complications
Interventions
Alaris ETCO2 monitor - cont. resp. rate, & apnea events
Device
Lead sponsor
Texas Health Resources
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 8, 2008 · Synced Jul 22, 2026, 4:47 AM 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 Jul 22, 2026, 4:47 AM EDT
Completed No phase listed Observational

Multicenter Perioperative Opioid Pharmacogenetic Study

NCT01495611
View directory record Official record
Conditions
Pain
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 17 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
15
States / cities
Los Angeles, California • Palo Alto, California • Denver, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Jul 22, 2026, 4:47 AM 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 Jul 22, 2026, 4:47 AM EDT
Withdrawn Not applicable Interventional

Effectiveness of Jamboxx Respiratory Therapy Device: Study 1

NCT03533400
View directory record Official record
Conditions
Spinal Cord Injuries, Respiratory Complication
Interventions
Jamboxx Respiratory Therapy Device, Jamboxx Musical Device
Device
Lead sponsor
My Music Machines Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Jul 22, 2026, 4:47 AM EDT
Completed Phase 4 Interventional Results available

Alternative Sedation During Bronchoscopy

NCT01158820
View directory record Official record
Conditions
Sedation
Interventions
Dexmedetomidine load, Ketamine load, Midazolam load, Fentanyl load, Dexmedetomidine maintenance, Ketamine maintenance, Midazolam demand, Fentanyl demand, Benadryl demand
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 25, 2019 · Synced Jul 22, 2026, 4:47 AM EDT
Terminated Not applicable Interventional

The Effectiveness of the Jamboxx Respiratory Therapy Device: Study 3

NCT03547349
View directory record Official record
Conditions
Atelectases, Postoperative Pulmonary
Interventions
Digital Incentive Spirometer, Jamboxx Respiratory Therapy Device
Device
Lead sponsor
My Music Machines Inc.
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Jul 22, 2026, 4:47 AM EDT
Completed No phase listed Observational

Determination of the Clinical Impact of Continuous Surveillance Monitoring (SM) and Utility of IPI.

NCT03050983
View directory record Official record
Conditions
Respiratory Depression, Respiratory Insufficiency
Interventions
IPI
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 29, 2020 · Synced Jul 22, 2026, 4:47 AM EDT
Completed Not applicable Interventional

Anesthetic Optimization in Scoliosis Surgery

NCT02481570
View directory record Official record
Conditions
Adolescent Idiopathic Scoliosis, Respiratory Depression, Postoperative Pain
Interventions
pharmacokinetic simulation
Other
Lead sponsor
University of Florida
Other
Eligibility
10 Years to 18 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 11, 2019 · Synced Jul 22, 2026, 4:47 AM EDT
Terminated Not applicable Interventional Results available

Study of Respiratory Depression When Using a Hydromorphone Pain Protocol

NCT01784991
View directory record Official record
Conditions
Pain, Respiratory Depression
Interventions
Hydromorphone, Usual care group
Drug
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
60 Years to 90 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Jul 22, 2026, 4:47 AM EDT
Not listed No phase listed Observational

Advanced Prediction of Respiratory Depression Episode With the Linshom Continuous Predictive Respiratory Sensor

NCT05804175
View directory record Official record
Conditions
Post Surgical Respiratory Failure, Respiratory Complication
Interventions
Linshom Continuous Predictive Respiratory Monitoring
Device
Lead sponsor
Linshom Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Ellicott City, Maryland • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 29, 2024 · Synced Jul 22, 2026, 4:47 AM EDT
Completed Not applicable Interventional

Recovery of Ventilation After Anesthesia for Laparoscopic Nephrectomy

NCT04723433
View directory record Official record
Conditions
Ventilatory Depression, Postoperative Respiratory Complication
Interventions
Oxygen gas -Conservative, Oxygen gas -Liberal
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Jul 22, 2026, 4:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiopulmonary Responses to Exposure to Ozone and Diesel Exhaust

NCT01874834
View directory record Official record
Conditions
Respiratory Depression, Blood Pressure
Interventions
ozone
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Jul 22, 2026, 4:47 AM 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 Jul 22, 2026, 4:47 AM EDT
Completed No phase listed Observational

Dietary Intake in Adults From the GA2LEN Folow-up Survey

NCT03251157
View directory record Official record
Conditions
Asthma, Lung Function Decreased, Food Allergy, Allergic Sensitisation, Allergic Rhinitis, COPD, Atopy
Interventions
Dietary intake of various nutrients, foods and biocompounds
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 75 Years
Enrollment
3,500 participants
Timeline
2007 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2017 · Synced Jul 22, 2026, 4:47 AM EDT
Terminated Not applicable Interventional Results available

Assessment of a Oral Endotracheal Tube Fastener on Patients Intubated With Oral Endotracheal Tubes

NCT02760927
View directory record Official record
Conditions
Respiratory Depression, Respiratory Failure, Ventilatory Depression
Interventions
Endotracheal Tube Fastener
Device
Lead sponsor
Hollister Incorporated
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
3
States / cities
Gresham, Oregon • Portland, Oregon • Vancouver, Washington
Source: ClinicalTrials.gov public record
Updated Sep 5, 2018 · Synced Jul 22, 2026, 4:47 AM EDT
Completed Phase 4 Interventional Results available

Sugammadex vs Placebo to Prevent Residual Neuromuscular Block

NCT02728726
View directory record Official record
Conditions
General Surgery
Interventions
Sugammadex, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Jacksonville, Florida • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Jul 22, 2026, 4:47 AM EDT
Completed No phase listed Observational

Clinical Utility of Capnography in the PACU( Post-anaesthesia Care Unit)

NCT02707003
View directory record Official record
Conditions
Respiratory Depression
Interventions
Not listed
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced Jul 22, 2026, 4:47 AM EDT