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ClinicalTrials.gov public records Last synced Oct 30, 2026, 2:15 PM EDT

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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Intrathecal Fentanyl Clear all
Withdrawn Phase 4 Interventional

Intrathecal Hydromorphone vs Intrathecal Morphine to Treat Post Cesarean Pain in Patients With Opioid Use Disorder Taking Buprenorphine

NCT06784180
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Morphine, Bupivacaine, Fentanyl, Hydromorphone
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 30, 2026, 2:15 PM EDT
Enrolling by invitation No phase listed Observational

Evaluation of the Typical Spinal Block During Cesarean Delivery

NCT06206044
View directory record Official record
Conditions
Cesarean Section, Anesthesia, Obstetric
Interventions
Intrathecal 1.6 ml 0.75% bupivacaine in 8.25% dextrose combined with 15 mcg fentanyl and 150 mcg preservative-free morphine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
15 Years to 55 Years · Female only
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Oct 30, 2026, 2:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Mu-Opioid Receptor Genetic Polymorphism and Intrathecal Analgesia

NCT00418015
View directory record Official record
Conditions
Labor Pain, Post-cesarean Delivery
Interventions
Blood Draw
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
293 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2014 · Synced Oct 30, 2026, 2:15 PM EDT
Completed Not applicable Interventional

The Effect of Combined Spinal-Epidural Analgesia on the Success of External Cephalic Version (ECV) for Breech Position

NCT00565383
View directory record Official record
Conditions
Pregnancy, Breech Presentation
Interventions
Combined spinal-epidural analgesia, Intravenous fentanyl (50mcg)
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 13, 2013 · Synced Oct 30, 2026, 2:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mechanisms of Altered Ventilatory Control in Heart Failure

NCT02421341
View directory record Official record
Conditions
Heart Failure
Interventions
Fentanyl, Catheters, Exercise, DEXA, Pulmonary Function Tests, Blood Draw, Chemosensitivity Test, Placebo
Drug · Procedure · Other + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 16, 2021 · Synced Oct 30, 2026, 2:15 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 24, 2022 · Synced Oct 30, 2026, 2:15 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Impact of Prophylactic Ephedrine on Fetal Heart Tracing and Uterine Tetanic Contraction After CSE

NCT05873218
View directory record Official record
Conditions
Labor
Interventions
Ephedrine, Normal Saline Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 30, 2026, 2:15 PM EDT
Recruiting Phase 4 Interventional

Patient Preference and Long-term Outcomes in Persistent Spinal Pain Syndrome: A Prospective Study Comparing Spinal Cord Stimulation to Intrathecal Drug Delivery.

NCT07091123
View directory record Official record
Conditions
Persistent Spinal Pain Syndrome
Interventions
Pain pump, Bupivacain 0.625%/Fentanyl 2mcg/ml, Spinal Cord Stimulator (SCS)
Device · Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
30 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Oct 30, 2026, 2:15 PM EDT
Completed Phase 4 Interventional Results available

Comparing Effectiveness of CSE Versus DPE for Labor Analgesia

NCT05068661
View directory record Official record
Conditions
Labor Pain
Interventions
Ropivacaine 0.1% Injectable Solution, Bupivacaine 0.25% Injectable Solution
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Oct 30, 2026, 2:15 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Analgesic Techniques on Duration of Spontaneously Laboring Patients

NCT01982838
View directory record Official record
Conditions
Effects of; Anesthesia, in Labor and Delivery, Pregnancy, Prolonged First Stage of Labor
Interventions
Epidural de novo, CSE
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 11, 2014 · Synced Oct 30, 2026, 2:15 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Subcutaneous Bupivacaine Decrease Post-op Pain in Patients Undergoing C-Section

NCT03383588
View directory record Official record
Conditions
Pain, Referred
Interventions
Bupivacaine, Morphine, Fentanyl, Epinephrine, Saline solution
Drug · Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
17 Years to 40 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Oct 30, 2026, 2:15 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Effects of Combined Spinal Epidurals on Fever During Labor of First-Time Mothers

NCT00802646
View directory record Official record
Conditions
Vaginal Delivery
Interventions
saline, fentanyl/bupivacaine/epinephrine
Drug
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years to 34 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Oct 30, 2026, 2:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Neuraxial Versus Systemic Analgesia for Latent Phase Labor Effect on Rate of Operative Delivery

NCT00380978
View directory record Official record
Conditions
Labor Pain, Pregnancy
Interventions
combined spinal epidural analgesia, late analgesia (systemic)
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
1,026 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2014 · Synced Oct 30, 2026, 2:15 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 17, 2021 · Synced Oct 30, 2026, 2:15 PM EDT
Not listed Phase 4 Interventional

Comparison of Intrathecal Versus Epidural Fentanyl on Fetal Bradycardia in Labor Combined Spinal Epidural Analgesia

NCT03623256
View directory record Official record
Conditions
Labor Pain, Obstetric Pain
Interventions
Spinal fentanyl, Spinal bupivacaine, Spinal Fentanyl and Bupivacaine, Epidural fentanyl /spinal bupivacaine
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older · Female only
Enrollment
558 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Oct 30, 2026, 2:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Intravenous Methadone Versus Intrathecal Morphine for Analgesia Following Cesarean Delivery

NCT06826742
View directory record Official record
Conditions
Cesarean Delivery
Interventions
Intravenous line (IV) Methadone, Intrathecal Morphine
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 30, 2026, 2:15 PM 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 30, 2026, 2:15 PM EDT
Completed Not applicable Interventional

Shaping Anesthetic Techniques to Reduce Post-operative Delirium

NCT03133845
View directory record Official record
Conditions
Delirium, Lumbar Radiculopathy, Lumbar Osteoarthritis, Lumbar Spine Disc Degeneration
Interventions
Light sedation with propofol, Induction with propofol, Maintenance anesthetic using a volatile anesthetic, Muscle relaxant during maintenance anesthesia, Pain control with fentanyl, Bispectral Index (BIS) monitoring for depth of anesthesia, Spinal Anesthesia, Midazolam administered during spinal anesthesia, Cerebrospinal fluid collection, Administration of intrathecal morphine
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
65 Years and older
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 30, 2026, 2:15 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Premature Fatigue in Veterans With Heart Failure: Neuronal Influences

NCT02209610
View directory record Official record
Conditions
Heart Failure
Interventions
Electrical and Magnetic Nerve Stimulators, Intrathecal Fentanyl
Device · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 2, 2019 · Synced Oct 30, 2026, 2:15 PM EDT
Completed Phase 4 Interventional Results available

Determining the Prognostic Value of Continuous Intrathecal Infusion

NCT03523000
View directory record Official record
Conditions
Lumbar Post-Laminectomy Syndrome, Chronic Low Back Pain, Vertebral Compression Fracture, Failed Back Surgery Syndrome
Interventions
Continuous intrathecal prognostic infusion test, Bupivacaine, Fentanyl, Placebo, Intrathecal Drug Delivery System (IDDS)
Other · Drug · Device
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
30 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced Oct 30, 2026, 2:15 PM EDT
Terminated Not applicable Interventional

Intrathecal Hydromorphone for Labor Analgesia

NCT02277782
View directory record Official record
Conditions
Pregnancy
Interventions
Hydromorphone, Hyperbaric bupivacaine, Fentanyl
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2022 · Synced Oct 30, 2026, 2:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

DPE Technique in Labor Epidural for Morbidly Obese Women

NCT03074695
View directory record Official record
Conditions
Morbid Obesity, Labor Pain
Interventions
Dural puncture epidural (DPE), Standard Epidural (EPL), Dural puncture epidural (DPE), Standard Epidural (EPL)
Procedure · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Oct 30, 2026, 2:15 PM EDT
Completed Not applicable Interventional Results available

Effects of Epidural Lidocaine on the Pharmacokinetic and Pharmacodynamic Profiles of DepoDur® After Cesarean Delivery

NCT00804609
View directory record Official record
Conditions
Epidural Analgesia, Obstetric
Interventions
DepoDur following epidural lidocaine, DepoDur following spinal anesthetic
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Oct 30, 2026, 2:15 PM 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 30, 2026, 2:15 PM EDT