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ClinicalTrials.gov public records Last synced Oct 1, 2026, 1:12 AM EDT

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Showing 25–45 of 45 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Active Control (Diphenhydramine) Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Ketamine for Acute Suicidal Ideation in the Emergency Department: Randomized Controlled Trial

NCT01892995
View directory record Official record
Conditions
Suicide
Interventions
Ketamine
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2015
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 16, 2015 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 4 Interventional Results available

Valsartan/Amlodipine As Compared to Losartan Treatment in Stage 2 Systolic Hypertension

NCT00931710
View directory record Official record
Conditions
Stage 2 Systolic Hypertension
Interventions
valsartan, amlodipine, HCTZ, Losartan, HCTZ followed by valsartan, amlodipine, HCTZ
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 7, 2011 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 4 Interventional

To Determine if Diphenhydramine Works for Nasal Congestion at Two Different Doses

NCT00648973
View directory record Official record
Conditions
Nasal Congestion
Interventions
Diphenhydramine 50 mg, Diphenhydramine 25 mg, Pseudoephedrine 120 mg
Drug
Lead sponsor
Johnson & Johnson Consumer and Personal Products Worldwide
Industry
Eligibility
12 Years to 65 Years
Enrollment
1,021 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
12
States / cities
Austin, Texas • Dallas, Texas • Kerrville, Texas + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2011 · Synced Oct 1, 2026, 1:12 AM EDT
Recruiting Phase 2Phase 3 Interventional

Anticholinergics for Cervical Edema in Labor

NCT06702670
View directory record Official record
Conditions
Labor Dystocia
Interventions
Treatment with Diphenhydramine, Usual Care
Drug · Combination Product
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 1, 2026, 1:12 AM EDT
Active, not recruiting Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of Obinutuzumab in Participants With Primary Membranous Nephropathy

NCT04629248
View directory record Official record
Conditions
Primary Membranous Nephropathy
Interventions
Obinutuzumab, Tacrolimus, Methylprednisolone, Acetaminophen, Diphenhydramine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 75 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
8
States / cities
San Francisco, California • Aurora, Colorado • Altamonte Springs, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Effect of Gabapentin Enacarbil on Simulated Driving in Healthy Subjects

NCT01411124
View directory record Official record
Conditions
Restless Legs Syndrome (RLS)
Interventions
gabapentin enacarbil, diphenhydramine, placebo
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2013 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 3 Interventional Results available

Comparing Risk and Severity of IRRs in Patients Premedicated With Cetirizine vs. Diphenhydramine Prior to Ocrelizumab

NCT04175834
View directory record Official record
Conditions
Multiple Sclerosis, Infusion Reaction
Interventions
cetrizine, diphenhydramine
Drug
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years to 70 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 3 Interventional Results available

A Controlled Study to Determine the Efficacy and Safety of CL-108 5 mg for Acute Pain and the Prevention of OINV

NCT03657810
View directory record Official record
Conditions
Pain, Nausea, Vomiting
Interventions
CL-108 5 mg, Norco, Placebo
Drug
Lead sponsor
Charleston Laboratories, Inc
Industry
Eligibility
18 Years and older
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
Phoenix, Arizona • Pasadena, Maryland • Austin, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Oct 1, 2026, 1:12 AM EDT
Not listed Not applicable Interventional

Auricular Acupuncture vs SOC in Migraine HA

NCT02681211
View directory record Official record
Conditions
Migraine Headache
Interventions
Auricular Acupuncture, Ketorolac 0.5mg/kg, max 30mg, Metoclopramide 0.1 mg/kg, max 10mg, Diphenhydramine 1mg/kg, max 50mg, Normal saline fluid bolus 20mL/kg, max 1000mL
Other · Drug
Lead sponsor
University of Louisville
Other
Eligibility
8 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
2
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 4 Interventional Results available

PRoFESS - Prevention Regimen For Effectively Avoiding Second Strokes

NCT00153062
View directory record Official record
Conditions
Stroke
Interventions
Aggrenox, Clopidogrel placebo, Micardis, Aggrenox placebo, Clopidogrel, Micardis placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
50 Years and older
Enrollment
20,332 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
204
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 160 more
Source: ClinicalTrials.gov public record
Updated May 13, 2014 · Synced Oct 1, 2026, 1:12 AM EDT
Recruiting Phase 3 Interventional

A Study of Angiotensin-II Receptor Blocker on Cardiovascular Remodeling (VALUE Trial)

NCT06150560
View directory record Official record
Conditions
Coarctation of Aorta, High Blood Pressure
Interventions
Losartan, Amlodipine, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 2 Interventional Results available

Sunitinib or Cediranib for Alveolar Soft Part Sarcoma

NCT01391962
View directory record Official record
Conditions
Sarcoma, Alveolar Soft Part
Interventions
Cediranib, Sunitinib, Prochlorperazine, Promethazine, Benzodiazepine, Filgrastim, Sargramostim, Lomotil, Loperamide, Vitamin B6, Aquaphor, Acetaminophen, Levothyroxine, Warfarin
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
16 Years to 120 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 1, 2026, 1:12 AM EDT
Recruiting Phase 3 Interventional

Randomized, Embedded, Multifactorial Adaptive Platform Trial for Community- Acquired Pneumonia

NCT02735707
View directory record Official record
Conditions
Community-acquired Pneumonia, Influenza, COVID-19
Interventions
Ceftriaxone, Moxifloxacin or Levofloxacin, Piperacillin-tazobactam, Ceftaroline, Amoxicillin-clavulanate, Standard course macrolide, Extended course macrolide, No systemic corticosteroid, Fixed-duration Hydrocortisone, Shock-dependent hydrocortisone, Fixed-duration higher dose Hydrocortisone, No antiviral agent for influenza, Five-days oseltamivir, Ten-days oseltamivir, No antiviral agent for COVID-19, Lopinavir / Ritonavir, Hydroxychloroquine, Hydroxychloroquine + lopinavir/ritonavir, Ivermectin, No immune modulation for COVID-19, Interferon beta-1a, Anakinra, Tocilizumab, Sarilumab, Local standard venous thromboprophylaxis, Therapeutic dose anticoagulation, Conventional low dose thromboprophylaxis, Intermediate dose thromboprophylaxis, Continuation of therapeutic dose anticoagulation, No immunoglobulin, Convalescent plasma, Delayed administration of convalescent plasma, No vitamin C, Vitamin C, No antiplatelet, Aspirin, P2Y12 inhibitor, No simvastatin, Simvastatin, Eritoran, Apremilast, Clinician-preferred mechanical ventilation strategy, Protocolised mechanical ventilation strategy, No renin-angiotensin system inhibitor, Angiotensin converting enzyme inhibitor, Angiotensin Receptor Blockers, ARB + DMX-200, No cysteamine, Cysteamine, Fixed-duration dexamethasone, Baloxavir Marboxil, Five-days oseltamivir + baloxavir marboxil, Ten-days oseltamivir + baloxavir marboxil, No endothelial modulator, Imatinib, No Immune Modulator for Influenza, Baricitinib, Nirmatrelvir/ritonavir, Remdesivir, Nirmatrelvir/ritonavir + remdesivir
Drug · Other · Biological + 1 more
Lead sponsor
UMC Utrecht
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
11
States / cities
Jacksonville, Florida • Augusta, Georgia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2024 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 1 Interventional

Treatment of Orthostatic Hypotension in Autonomic Failure

NCT00223691
View directory record Official record
Conditions
Autonomic Failure, Orthostatic Hypotension
Interventions
Atomoxetine, Acarbose, Pyridostigmine Bromide, Yohimbine, Midodrine HCl, placebo, Modafinil, Octreotide, water intake, Diphenhydramine Hydrochloride, Ranitidine HCL, Tranylcypromine, Ergotamine/ Caffeine, Celecoxib, Pseudoephedrine, Methylphenidate, Indomethacin, Ibuprofen, Oxymetazoline 0.05% nasal solution, Bovril, Acetazolamide, Rivastigmine tartrate, Carbidopa/levodopa, Inflatable abdominal binder, inflatable abdominal binder (sham)
Drug · Other · Dietary Supplement + 1 more
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 2 Interventional Results available

A Study To Evaluate The Dose-Related Efficacy and Safety of PS433540 in Subjects With Hypertension

NCT00635232
View directory record Official record
Conditions
Hypertension
Interventions
irbesartan, placebo, PS433540
Drug
Lead sponsor
Ligand Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
40
States / cities
Pell City, Alabama • Tempe, Arizona • Tucson, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2011 · Synced Oct 1, 2026, 1:12 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Phase 4, Vedolizumab-4002 Post-marketing, Disease-Drug-Drug Interaction Study

NCT02760615
View directory record Official record
Conditions
Colitis, Ulcerative, Crohn Disease
Interventions
Caffeine, Losartan, Omeprazole, Dextromethorphan, Midazolam, Vedolizumab
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
2
States / cities
Cypress, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Oct 1, 2026, 1:12 AM EDT
Recruiting Phase 2 Interventional

TriCalm Hydrogel® in the Treatment of Immunotherapy-Related Pruritus

NCT06748404
View directory record Official record
Conditions
Immunotherapy-related Pruritus
Interventions
TriCalm Hydrogel®, Triamcinolone acetonide 0.1% cream
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 1, 2026, 1:12 AM EDT
Recruiting Phase 2 Interventional

A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of Obinutuzumab in Adolescents With Active Class III or IV Lupus Nephritis and the Safety and PK of Obinutuzumab in Pediatric Participants

NCT05039619
View directory record Official record
Conditions
Lupus Nephritis
Interventions
Obinutuzumab, Placebo, Mycophenolate Mofetil, Acetaminophen/paracetamol, Diphenhydramine hydrochloride (HCl), Methylprednisolone, Prednisone
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
5 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
11
States / cities
Loma Linda, California • San Francisco, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 1, 2026, 1:12 AM EDT
Recruiting Phase 1 Interventional

Losartan + Sunitinib in Treatment of Osteosarcoma

NCT03900793
View directory record Official record
Conditions
Osteosarcoma
Interventions
Losartan, Sunitinib
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
10 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
4
States / cities
Los Angeles, California • Aurora, Colorado • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 1, 2026, 1:12 AM EDT
Completed Phase 2 Interventional Results available

Study of Ramucirumab (IMC-1121B) Therapy and Corrected QT (QTc) Interval Changes

NCT01017731
View directory record Official record
Conditions
Cancer, Solid Tumor
Interventions
IMC-1121B, Moxifloxacin, Diphenhydramine
Biological · Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
7
States / cities
Atlanta, Georgia • Metairie, Louisiana • Ann Arbor, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2015 · Synced Oct 1, 2026, 1:12 AM EDT
Recruiting Phase 2 Interventional

MT2023-20: Hematopoietic Cell Transplant With Reduced Intensity Conditioning and Post-transplant Cyclophosphamide for Severe Aplastic Anemia and Other Forms of Acquired Bone Marrow Failure.

NCT06412497
View directory record Official record
Conditions
Severe Aplastic Anemia, Acquired Amegakaryocytic Thrombocytopenia, Acquired Pure Red Cell Aplasia, Paroxysmal Nocturnal Hemoglobinuria
Interventions
Rituximab, Rabbit ATG, Cyclophosphamide, Fludarabine, Total Body Irradiation, Cell Infusion, Post-Transplant G-CSF, Tacrolimus, Mycophenolate Mofetil
Drug · Radiation · Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
0 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2036
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 1, 2026, 1:12 AM EDT