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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Postoperative placebo Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Aromatherapy on Nausea Levels

NCT04882501
View directory record Official record
Conditions
Nausea, Postoperative
Interventions
QUEASEEase aromatherapy quick tab, Placebo product
Other
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years to 99 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Aprepitant for PONV Prophylaxis in Outpatient Plastic Surgery

NCT00659945
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Aprepitant plus Ondansetron, Ondansetron plus placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 5, 2013 · Synced Sep 27, 2026, 2:10 PM EDT
Terminated Phase 4 Interventional Results available

Timing of B and O Suppositories to Help Relieve Post-operative Bladder Spasms

NCT02865395
View directory record Official record
Conditions
Overactive Bladder
Interventions
Belladonna and Opium Suppository, Rectal Exam
Drug · Procedure
Lead sponsor
Campbell Grant
Other
Eligibility
18 Years to 89 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 19, 2019 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of COV795 in Moderate to Severe Post-Operative Bunionectomy Pain With an Open-label Extension

NCT01484652
View directory record Official record
Conditions
Pain, Postoperative, Bunion
Interventions
COV795, Placebo
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 75 Years
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
5
States / cities
Bakersfield, California • Pasadena, California • Pasadena, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2016 · Synced Sep 27, 2026, 2:10 PM EDT
Terminated Phase 4 Interventional Results available

Prunes for Gastrointestinal Function After Gynecologic Surgery

NCT03523715
View directory record Official record
Conditions
Constipation
Interventions
Prunes, Docusate Sodium
Dietary Supplement · Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Sep 27, 2026, 2:10 PM EDT
Not listed Phase 4 Interventional

Perioperative Effect of Atenolol on Cytokine Profiles

NCT00202358
View directory record Official record
Conditions
Surgery
Interventions
atenolol, placebo
Drug
Lead sponsor
Saini Foundation
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
1
States / cities
Hyannis, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 16, 2008 · Synced Sep 27, 2026, 2:10 PM EDT
Terminated Phase 3 Interventional

Vapreotide in Treating Patients Undergoing Elective Pancreatic Resection

NCT00014651
View directory record Official record
Conditions
Pancreatic Cancer, Perioperative/Postoperative Complications
Interventions
vapreotide, conventional surgery
Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
18
States / cities
Birmingham, Alabama • Tampa, Florida • Chicago, Illinois + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2010 · Synced Sep 27, 2026, 2:10 PM EDT
Withdrawn Phase 2 Interventional

Efficacy of Acetaminophen in Posterior Fossa Surgery

NCT02532322
View directory record Official record
Conditions
Arnold-Chiari Malformation, Posterior Fossa Tumors
Interventions
IV acetaminophen, normal saline
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
2 Years to 12 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Phase 4 Interventional Results available

Single-shot TAP Block vs Continuous TAP Block

NCT02475031
View directory record Official record
Conditions
Postoperative Pain
Interventions
TAP-C, TAP-S
Device · Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 3, 2020 · Synced Sep 27, 2026, 2:10 PM EDT
Completed No phase listed Interventional Accepts healthy volunteers Results available

Efficacy of Arnica Montana in Reducing Postoperative Edema and Pain

NCT03944629
View directory record Official record
Conditions
Arnica, Third Molar Extraction
Interventions
SinEcch, Placebo
Drug · Other
Lead sponsor
Tufts University
Other
Eligibility
18 Years to 40 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oral Gabapentin Versus Placebo for Treatment of Postoperative Pain Following Photorefractive Keratectomy

NCT00793910
View directory record Official record
Conditions
Postoperative Pain
Interventions
Gabapentin, placebo
Drug
Lead sponsor
Walter Reed Army Medical Center
Federal
Eligibility
21 Years and older
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 15, 2014 · Synced Sep 27, 2026, 2:10 PM EDT
Terminated Phase 4 Interventional Results available

Naloxegol for the Prevention of Constipation in Postoperative Spinal Surgery Patients

NCT02946580
View directory record Official record
Conditions
Constipation
Interventions
MOVANTIK™ (naloxegol), Sugar Pill
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Sep 27, 2026, 2:10 PM EDT
Withdrawn Phase 2 Interventional

The Use of Ketorolac in Surgical Neonates

NCT01667120
View directory record Official record
Conditions
Postoperative Pain Control in Surgical Neonates
Interventions
Ketorolac, placebo
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
1 Week to 3 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Sep 27, 2026, 2:10 PM EDT
Not yet recruiting Phase 3 Interventional

PO Methadone Ortho Outpatient

NCT06351215
View directory record Official record
Conditions
Arthroscopic Knee Repair, Arthroscopic Hip Repair
Interventions
Methadone group, Placebo
Drug
Lead sponsor
Keck School of Medicine of USC
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Early Phase 1 Interventional

Post-operative Complications and Graft Survival With Conventional Versus Continuous Glucose Monitoring in Patients With Diabetes Mellitus Undergoing Renal Transplantation

NCT04742023
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Continuous Glucose Monitor Application, Finger Stick Glucose Measurement, Insulin, Continuous Glucose Monitor Placebo Applied
Device · Diagnostic Test · Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced Sep 27, 2026, 2:10 PM EDT
Terminated Phase 3 Interventional

Efficacy and Safety of Aprotinin on Transfusion Requirements in Patients Undergoing Radical or Total Cystectomy

NCT00306150
View directory record Official record
Conditions
Blood Loss, Surgical, Postoperative Hemorrhage
Interventions
Trasylol (Aprotinin, BAYA0128), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
18
States / cities
Los Angeles, California • Denver, Colorado • Miami, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2014 · Synced Sep 27, 2026, 2:10 PM EDT
Terminated Not applicable Interventional Results available

Effectiveness of Continuous Femoral Nerve Block Versus Single Shot Femoral Nerve Block for Pain Control

NCT01916590
View directory record Official record
Conditions
Post-operative Pain
Interventions
Bupivicaine, placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 31, 2016 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Phase 3 Interventional Results available

Placebo Controlled Trial of SOM230 for the Reduction of Post-Pancreatectomy Fistula, Leak, and Abscess

NCT00994110
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Pasireotide (SOM230), placebo
Drug · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2016 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Phase 3 Interventional

Study of MR-107A-02 for the Treatment of Acute Postoperative Pain Following Bunionectomy

NCT06215820
View directory record Official record
Conditions
Acute Pain, Post Operative Pain, Pain
Interventions
MR-107A-02, Tramadol, Placebo, Bunionectomy
Drug · Procedure
Lead sponsor
Viatris Specialty LLC
Industry
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
15
States / cities
Sheffield, Alabama • Phoenix, Arizona • Anaheim, California + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Phase 4 Interventional Results available

Denosumab to Prevent High-Turnover Bone Loss After Bariatric Surgery

NCT04087096
View directory record Official record
Conditions
Bariatric Surgery Candidate, Bone Loss
Interventions
Denosumab, Placebo, Zoledronic Acid
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
25 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
San Francisco, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy of Ginger on Intraoperative and Postoperative Nausea and Vomiting in Elective Cesarean Section Patients

NCT01733212
View directory record Official record
Conditions
Nausea, Vomiting
Interventions
Ginger, Placebo Oral Tablet
Drug
Lead sponsor
Joel Yarmush
Other
Eligibility
20 Years to 49 Years · Female only
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Sep 9, 2021 · Synced Sep 27, 2026, 2:10 PM EDT
Enrolling by invitation Phase 2 Interventional

Efficacy of Intravenous Oxytocin to Speed Recovery After THA

NCT07430228
View directory record Official record
Conditions
Total Hip Arthroplasty
Interventions
intravenous administration of oxytocin, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

IV Ketorolac on Platelet Function Post-Cesarean Delivery

NCT03805607
View directory record Official record
Conditions
Analgesia, Obstetrical, Coagulation Defect; Postpartum, Nonsteroidals (NSAIDs)Toxicity, Postpartum Hemorrhage, Postoperative Pain, Ketorolac Adverse Reaction, Blood Loss, Postoperative
Interventions
Ketorolac Tromethamine 30 MG/ML, Placebos
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 27, 2026, 2:10 PM EDT
Completed Phase 2 Interventional Results available

Safety/Efficacy of Nepafenac Punctal Plug Delivery System Compared to Placebo to Control Ocular Pain/Inflammation After Cataract

NCT03496467
View directory record Official record
Conditions
Pain, Inflammation
Interventions
Nepafenac PPDS, Placebo PPDS
Combination Product
Lead sponsor
Mati Therapeutics Inc.
Industry
Eligibility
22 Years to 99 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Edgewood, Kentucky • Garden City, New York • Mt. Pleasant, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 11, 2021 · Synced Sep 27, 2026, 2:10 PM EDT