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ClinicalTrials.gov public records Last synced Oct 23, 2026, 6:23 AM EDT

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Showing 457–475 of 475 matching trials from the live ClinicalTrials.gov search.
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Completed Early Phase 1 Interventional Accepts healthy volunteers

Colonoscopy Using Nitrous Oxide- A Pilot Study in the USA

NCT04305158
View directory record Official record
Conditions
Nitrous Oxide
Interventions
Nitrous Oxide
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Oct 23, 2026, 6:23 AM EDT
Withdrawn Not applicable Interventional

A Study Comparing Two Spinal Techniques for for Cesarean Delivery Anesthesia

NCT00990574
View directory record Official record
Conditions
Hypotension, Headache
Interventions
Wiley Spinal Catheter, Spinal Anesthesia Group (SAG)
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Oct 23, 2026, 6:23 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Dosing and Efficacy Study of Intra-nasal Sufentanil for Moderate to Severe Pain

NCT01012999
View directory record Official record
Conditions
Pain, Opiate
Interventions
sufentanil
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 22, 2017 · Synced Oct 23, 2026, 6:23 AM 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 9, 2026 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Phase 2 Interventional Results available

Local Anesthetic Cream in Younger Patients Undergoing Lumbar Punctures

NCT01516684
View directory record Official record
Conditions
Malignant Neoplasm
Interventions
placebo administration, EMLA, propofol, fentanyl citrate
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Up to 22 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 23, 2026, 6:23 AM EDT
Completed No phase listed Observational

Intrapartum Epidural Fentanyl/Bupivacaine Analgesia, Infant Feeding Behavior, & Breast-Feeding Outcomes

NCT01260051
View directory record Official record
Conditions
Anesthesia, Epidural, Breast Feeding
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
310 participants
Timeline
2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparative Effectiveness of Endoscopic Assessment of Gastroesophageal Reflux and Barretts Esophagus

NCT01288612
View directory record Official record
Conditions
Barrett's Esophagus
Interventions
Sedated Endoscopy, Transnasal Endoscopy
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 95 Years
Enrollment
459 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 7, 2015 · Synced Oct 23, 2026, 6:23 AM EDT
Withdrawn No phase listed Observational

Intrapartum Epidural Fentanyl and Breast-feeding in the Immediate Postpartum Period: a Prospective Cohort Study

NCT01488149
View directory record Official record
Conditions
Maternal Anaesthesia and Analgesia Affecting Fetus or Newborn, Breast Feeding, Fentanyl, Bupivacaine, Nalbuphine
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Oct 23, 2026, 6:23 AM EDT
Active, not recruiting Early Phase 1 Interventional

Evaluation of Ketamine/Midazolam Sedation vs. Fentanyl/Midazolam Sedation for Image-Guided Percutaneous Procedures in Interventional Radiology

NCT07040163
View directory record Official record
Conditions
Sedation, Interventional Radiology, Biopsy, Drainage Procedure
Interventions
ketamine, fentanyl, Midazolam
Drug
Lead sponsor
CAMC Health System
Other
Eligibility
18 Years to 90 Years
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, West Virginia
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Phase 3 Interventional Results available

Efficacy of Intranasal Fentanyl at Reducing Pain During Abscess Incision and Drainage (I&D) in Children

NCT01549002
View directory record Official record
Conditions
Abscess, Pain
Interventions
Intranasal Fentanyl, Intravenous Morphine
Drug
Lead sponsor
Columbia University
Other
Eligibility
4 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Phase 4 Interventional Results available

Open-Label, Safety Study Evaluating the Use of Dexmedetomidine in Pediatric Subjects Undergoing Procedure-Type Sedation

NCT01519167
View directory record Official record
Conditions
Ultrasound, CT Scans, MRIs
Interventions
Dexmedetomidine, Midazolam, Fentanyl
Drug
Lead sponsor
Hospira, now a wholly owned subsidiary of Pfizer
Industry
Eligibility
28 Weeks to 16 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
9
States / cities
Little Rock, Arkansas • Anaheim, California • Stanford, California + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2017 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Association Between Bolus Rate and the Adequacy of Labor Analgesia Using Timed-intermittent Boluses

NCT02340806
View directory record Official record
Conditions
Labor Pain, Obstetric Pain
Interventions
CADD-Solis pump (Smiths Medical)
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 26, 2019 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional

Fentanyl With or Without Bupivacaine in Reducing Pain in Patients Undergoing Video-Assisted Chest Surgery

NCT00538499
View directory record Official record
Conditions
Pain, Perioperative/Postoperative Complications
Interventions
Fentanyl citrate, Bupivacaine hydrocloride, videothoracoscopy
Drug · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
Up to 120 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Single and Multiple Dose Pharmacokinetics of Sufentanil NanoTab

NCT01761565
View directory record Official record
Conditions
Plasma Concentrations
Interventions
Single dose of SUF NT 15 mcg, 40 consecutive doses of SUF NT 15 mcg taken every 20 minutes
Drug
Lead sponsor
Talphera, Inc
Industry
Eligibility
18 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Phase 1 Interventional Results available

Epidural Neostigmine for Labor Pain

NCT00779467
View directory record Official record
Conditions
Labor Pain
Interventions
Neostigmine, Bupivacaine, fentanyl
Drug
Lead sponsor
Wake Forest University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Oct 23, 2026, 6:23 AM EDT
Completed No phase listed Observational

Epidural Analgesia or Patient-Controlled Analgesia in Treating Patients Who Have Undergone Surgery for Gynecologic Cancer

NCT00295945
View directory record Official record
Conditions
Cervical Cancer, Endometrial Cancer, Fallopian Tube Cancer, Ovarian Cancer, Pain, Perioperative/Postoperative Complications, Sarcoma
Interventions
fentanyl citrate, hydromorphone hydrochloride, ropivacaine hydrochloride
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 20, 2014 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional

Pain Relief Effects on Length of Labor

NCT01750099
View directory record Official record
Conditions
Labor Pain
Interventions
Combined Spinal-epidural, Continuous Lumbar epidural
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
16 Years to 44 Years · Female only
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 28, 2014 · Synced Oct 23, 2026, 6:23 AM 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 12, 2019 · Synced Oct 23, 2026, 6:23 AM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Sublingual Fentanyl Tablets in Treatment of Breakthrough Pain in Cancer Patients.

NCT00262678
View directory record Official record
Conditions
Pain, Cancer
Interventions
EN3267
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
17 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 4, 2009 · Synced Oct 23, 2026, 6:23 AM EDT