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ClinicalTrials.gov public records Last synced Sep 11, 2026, 5:36 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
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers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 11, 2026, 5:36 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 11, 2026, 5:36 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Withdrawn Not applicable Interventional Accepts healthy volunteers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 11, 2026, 5:36 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 11, 2026, 5:36 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 11, 2026, 5:36 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 11, 2026, 5:36 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 11, 2026, 5:36 PM EDT
Completed Phase 4 Interventional Results available

SEdation Versus General Anesthesia for Endovascular Therapy in Acute Ischemic Stroke

NCT03263117
View directory record Official record
Conditions
Stroke
Interventions
Sedation, General Anesthesia (GA), Intra-arterial Thrombectomy
Drug · Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 90 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
11
States / cities
Indianapolis, Indiana • Iowa City, Iowa • Louisville, Kentucky + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 11, 2026, 5:36 PM EDT
Terminated Phase 2 Interventional Results available

Dose Finding Posterolateral Thoracotomy Study

NCT00807209
View directory record Official record
Conditions
Postoperative Pain
Interventions
Low Dose SKY0402, High Dose SKY0402, Placebo, Fentanyl via PCA, Bupivacaine via epidural
Drug
Lead sponsor
Pacira Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
5
States / cities
Pasadena, California • Orlando, Florida • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated May 14, 2012 · Synced Sep 11, 2026, 5:36 PM EDT
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 11, 2026, 5:36 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 11, 2026, 5:36 PM EDT
Completed Phase 2 Interventional Results available

Measures to Lower the Stress Response in Pediatric Cardiac Surgery

NCT00848393
View directory record Official record
Conditions
Tetralogy of Fallot (TOF), Ventricular Septal Defects (VSD), Atrioventricular Septal Defects (AVSD)
Interventions
Fentanyl (High Dose), Fentanyl (Low Dose), Fentanyl (Low Dose) + Dexmedetomidine
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
1 Month to 3 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 26, 2018 · Synced Sep 11, 2026, 5:36 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 11, 2026, 5:36 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 11, 2026, 5:36 PM EDT
Completed Phase 3 Interventional

Impact of Low Dose Naloxone on Fentanyl Requirements in Pediatric ICU Patients

NCT00286052
View directory record Official record
Conditions
Opioid Tolerance
Interventions
Low Dose Naloxone
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
1 Day to 18 Years
Enrollment
128 participants
Timeline
2002 – 2004
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 1, 2006 · Synced Sep 11, 2026, 5:36 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 11, 2026, 5:36 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Perioperative Ketamine for Pain With Gastric Bypass

NCT03448068
View directory record Official record
Conditions
Laparoscopic Gastric Bypass Surgery, Ketamine
Interventions
Ketamine, Standard therapy
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 69 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Sep 11, 2026, 5:36 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 11, 2026, 5:36 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 11, 2026, 5:36 PM EDT
Terminated Phase 4 Interventional Results available

Effect of Ketamine on Postoperative Clinical Outcomes

NCT01365195
View directory record Official record
Conditions
Colorectal Surgery
Interventions
Placebo, Ketamine high-dose, Ketamine low-dose
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 11, 2026, 5:36 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 11, 2026, 5:36 PM EDT
Completed Phase 2 Interventional Results available

Multiple Dose Safety and Efficacy Study Evaluating CNS 7056 Versus Midazolam in Patients Undergoing Colonoscopy

NCT01145222
View directory record Official record
Conditions
Sedation
Interventions
A. CNS 7056, B. CNS 7056, C. CNS 7056, D. Midazolam
Drug
Lead sponsor
Paion UK Ltd.
Industry
Eligibility
18 Years to 70 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
9
States / cities
Sheffield, Alabama • Phoenix, Arizona • Anaheim, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Sep 11, 2026, 5:36 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 11, 2026, 5:36 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 11, 2026, 5:36 PM EDT