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ClinicalTrials.gov public records Last synced Sep 7, 2026, 2:48 PM EDT

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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Fentanyl (Low Dose) Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Fentanyl Sublingual Spray in Opioid Naive Participants

NCT02641340
View directory record Official record
Conditions
Pharmacology
Interventions
Fentanyl Sublingual Spray, Fentanyl Citrate IV
Drug
Lead sponsor
INSYS Therapeutics Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2016 · Synced Sep 7, 2026, 2:48 PM EDT
Terminated Phase 4 Interventional

Epidural Fentanyl for 2nd Stage Labor Analgesia

NCT03120780
View directory record Official record
Conditions
Labor Pain
Interventions
Fentanyl 20 mcg, Fentanyl 100 mcg
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 7, 2026, 2:48 PM EDT
Completed Not applicable Interventional Results available

The Effect of Anesthesia on Neurodevelopmental Outcome (NDO)

NCT03882788
View directory record Official record
Conditions
Anesthesia; Adverse Effect, Congenital Heart Disease, Neurodevelopmental Disorders
Interventions
Isoflurane, Fentanyl (high dose), Fentanyl (low dose)
Drug
Lead sponsor
Stanford University
Other
Eligibility
1 Day to 36 Months
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced Sep 7, 2026, 2:48 PM EDT
Terminated Phase 4 Interventional Results available

Ketamine Pilot Study

NCT05379179
View directory record Official record
Conditions
Rattlesnake Envenomation
Interventions
Ketamine, Fentanyl
Drug
Lead sponsor
Meghan Spyres
Other
Eligibility
18 Years to 100 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Sep 7, 2026, 2:48 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Epidural Loading: High Volume, Low Concentration

NCT02803450
View directory record Official record
Conditions
Labor and Delivery
Interventions
Epidural needle, Catheter Administration, Standard of Care Epidural Administration
Procedure
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 89 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 26, 2021 · Synced Sep 7, 2026, 2:48 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Low-dose Versus a High-dose Sublingual Buprenorphine Induction

NCT05944952
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
buprenorphine/naloxone
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Dundalk, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Sep 7, 2026, 2:48 PM EDT
Recruiting Phase 4 Interventional

A Study to Investigate of the Effects of Opioid Exposure on the Ability of the Diaphragm Muscle

NCT05856136
View directory record Official record
Conditions
Respiratory Function Loss, Respiratory Complication
Interventions
Fentanyl Injection
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Sep 7, 2026, 2:48 PM EDT
Active, not recruiting Phase 2 Interventional

Extended-release Buprenorphine as a Novel Low-dose Induction Strategy

NCT06441604
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Extended-release Buprenorphine
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 7, 2026, 2:48 PM EDT
Recruiting Phase 2 Interventional

Rapid Outpatient Low-dose Initiation of Buprenorphine for OUD With Fentanyl Use

NCT06379984
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Buprenorphine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 7, 2026, 2:48 PM EDT
Withdrawn Not applicable Interventional

Fentanyl vs. Low-Dose Ketamine for the Relief of Moderate to Severe Pain in Aeromedical Patients

NCT01169025
View directory record Official record
Conditions
Trauma, Pain
Interventions
Ketamine, Fentanyl
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 3, 2012 · Synced Sep 7, 2026, 2:48 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Optimizing Anesthesia for Post Partum Tubal Ligations

NCT03993314
View directory record Official record
Conditions
Pregnancy Related
Interventions
Chloroprocaine, Bupivacaine
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 16, 2021 · Synced Sep 7, 2026, 2:48 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Randomized Trial for Pain Management in Low-grade Subarachnoid Hemorrhage

NCT01851720
View directory record Official record
Conditions
Headaches Associated With Subarachnoid Hemorrhage (SAH)
Interventions
Low dose fentanyl PCA, Standard IV fentanyl bolus
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 21, 2017 · Synced Sep 7, 2026, 2:48 PM EDT
Not listed Phase 2Phase 3 Interventional

Fentanyl Effect on Blood Pressure in Elderly Patients After Induction of General Anesthesia

NCT02489019
View directory record Official record
Conditions
Hypotension
Interventions
Sodium chloride, Fentanyl
Drug
Lead sponsor
Loyola University
Other
Eligibility
60 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Sep 7, 2026, 2:48 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Bupivacaine With Epidural Volume Extension

NCT03110003
View directory record Official record
Conditions
Spinal Anesthesia, Epidural; Anesthesia
Interventions
10 mg Bupivacaine, 5 mg Bupivacaine
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 7, 2026, 2:48 PM EDT
Completed Not applicable Interventional Results available

Virtual Reality as a Substitute for Procedural Sedation During Epidural Steroid Injections

NCT04887285
View directory record Official record
Conditions
Lower Back Pain, Lumbar Radiculopathy
Interventions
Virtual reality, Intravenous sedation, Standard care
Device · Drug · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 90 Years
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 1, 2024 · Synced Sep 7, 2026, 2:48 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Fentanyl Buccal Tablet Use in the Emergency Department for Isolated Extremity Injury

NCT01270659
View directory record Official record
Conditions
Pain
Interventions
Fentanyl, oxycodone/acetaminophen
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 19, 2017 · Synced Sep 7, 2026, 2:48 PM EDT
Completed Phase 3 Interventional Results available

Fentanyl Sublingual Spray in Treating Patients With Breakthrough Cancer Pain

NCT00538850
View directory record Official record
Conditions
Cancer
Interventions
Fentanyl sublingual spray, Placebo
Drug
Lead sponsor
INSYS Therapeutics Inc
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Chandler, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 4, 2014 · Synced Sep 7, 2026, 2:48 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Buprenorphine Induction for Fentanyl Dependent Opioid Users

NCT04794790
View directory record Official record
Conditions
Opioid Dependence Fentanyl
Interventions
Buprenorphine/naloxone
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Harrisburg, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Sep 7, 2026, 2:48 PM EDT
Completed Phase 3 Interventional Results available

Study Evaluating Safety and Efficacy of Dexmedetomidine (DEX) in Intubated and Mechanically Ventilated Pediatric Intensive Care Unit (PICU) Subjects

NCT00875550
View directory record Official record
Conditions
Sedation
Interventions
Dexmedetomidine, Midazolam, Fentanyl, Morphine
Drug
Lead sponsor
Hospira, now a wholly owned subsidiary of Pfizer
Industry
Eligibility
1 Month to 16 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
33
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Loma Linda, California + 27 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2015 · Synced Sep 7, 2026, 2:48 PM EDT
Terminated Phase 4 Interventional Results available

RCT: Fentanyl Plus Ketamine Versus Fentanyl Alone for Acute Burn Pain

NCT03305055
View directory record Official record
Conditions
Acute Pain, Wound Care, Posttraumatic Stress Disorder
Interventions
ketamine, Fentanyl
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 11, 2019 · Synced Sep 7, 2026, 2:48 PM EDT
Not yet recruiting Phase 4 Interventional

Comparing Outpatient Treatment Retention Among Individuals Using Fentanyl Randomized to Low-dose and Direct-to-inject Buprenorphine Initiation

NCT07469501
View directory record Official record
Conditions
Opioid Use Disorder, Fentanyl
Interventions
Injectable buprenorphine, Sublingual Buprenorphine (SUBOXONE, Zubsolv, or generic tablets)
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 7, 2026, 2:48 PM EDT
Completed Not applicable Interventional

Low Dose Ketamine as an Adjunct to Fentanyl in Outpatient Tonsillectomy

NCT00587665
View directory record Official record
Conditions
Pain
Interventions
ketamine, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 12 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Sep 7, 2026, 2:48 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Fentanyl Sublingual Spray for Exercise-Induced Breakthrough Dyspnea

NCT02597478
View directory record Official record
Conditions
Advanced Cancers
Interventions
Fentanyl Sublingual Spray, Shuttle Walk Test, Questionnaires, Mental Ability Tests, Phone Call
Drug · Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 8, 2021 · Synced Sep 7, 2026, 2:48 PM EDT
Completed Phase 4 Interventional Results available

Patient Controlled Intrathecal Analgesia With Bupivacaine for Chronic Low Back Pain

NCT02886286
View directory record Official record
Conditions
Pain, Intractable, Breakthrough Pain, Chronic Pain
Interventions
Bupivacaine, Opioid
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
31 Years to 90 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Sep 7, 2026, 2:48 PM EDT