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ClinicalTrials.gov public records Last synced Oct 6, 2026, 1:04 PM EDT

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Showing 25–48 of 130 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Diphenhydramine, 25 mg Clear all
Completed Phase 3 Interventional Results available

Recommendations of Enhanced Recovery Interventions for Patient's Clinical Team and Collection of Associated Data

NCT04606264
View directory record Official record
Conditions
Perioperative Optimization
Interventions
Neuraxial Analgesia, Regional Block 1: Paravertebral, Perphenazine, Aprepitant, Dimenhydrinate, Ondansetron 4 MG, Dexamethasone, Regional Block 2: QL1
Drug
Lead sponsor
Jennifer Holder-Murray
Other
Eligibility
18 Years and older
Enrollment
3,395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Recruiting Phase 2 Interventional

Trial of Diphenhydramine for Sleep in Children With Autism

NCT05501678
View directory record Official record
Conditions
Autism, Autism Spectrum Disorder
Interventions
Diphenhydramine, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Treg Therapy in Subclinical Inflammation in Kidney Transplantation

NCT02711826
View directory record Official record
Conditions
Kidney Transplant, Adult Living Donor Kidney Transplant Recipients, Renal Transplant, Living Kidney Donor
Interventions
Polyclonal Regulatory T Cells, Everolimus, Tacrolimus, Mycophenolate mofetil, Mycophenolic acid, Acetaminophen, Diphenhydramine, Biopsy, Kidney, Blood Draw, Leukapheresis, IS regimen conversion
Biological · Drug · Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
6
States / cities
Birmingham, Alabama • San Francisco, California • Aurora, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

Early Administration of ATG Followed by Cyclophosphamide, Busulfan and Fludarabine Before a Donor Stem Cell Transplant in Patients With Hematological Cancer

NCT00787761
View directory record Official record
Conditions
Myeloproliferative Disorders, Kidney Cancer, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Diseases
Interventions
anti-thymocyte globulin, busulfan, cyclophosphamide, fludarabine phosphate, methotrexate, tacrolimus, nonmyeloablative allogeneic HSCT
Biological · Drug · Procedure
Lead sponsor
Northside Hospital, Inc.
Other
Eligibility
Up to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 1, 2012 · Synced Oct 6, 2026, 1:04 PM EDT
Completed No phase listed Observational

The Fabrazyme® and Arbs and ACE Inhibitor Treatment (FAACET) Study

NCT00446862
View directory record Official record
Conditions
Fabry Disease, Proteinuria
Interventions
enalapril and other angiotensin converting enzyme inhibitors; losartan and other angiotensin receptor blockers
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 85 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
5
States / cities
Birmingham, Alabama • Atlanta, Georgia • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2013 · Synced Oct 6, 2026, 1:04 PM EDT
Recruiting Phase 4 Interventional

A SMART Approach to Evaluating the Benefits of Common Prescription and OTC Medications for Insomnia

NCT07542756
View directory record Official record
Conditions
Insomnia, Insomnia Disorder, Chronic Insomnia, Chronic Insomnia Disorder
Interventions
Sleep Hygiene Education, Melatonin IR, 3 mg, Melatonin IR, 5 mg, Diphenhydramine, 25 mg, Diphenhydramine, 50 mg, Doxepin, 3 mg, Doxepin, 6 mg, Trazodone, 50 mg, Trazodone, 100 mg, Placebo, Zolpidem, 5 mg, Zolpidem, 10 mg
Other · Dietary Supplement · Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

A Double-Blind Trial of Psilocybin-Assisted Treatment of Alcohol Dependence

NCT02061293
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Psilocybin, Diphenhydramine, Motivational Enhancement and Taking Action (META)
Drug · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
25 Years to 65 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
2
States / cities
Albuquerque, New Mexico • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Early Phase 1 Interventional

Losartan for Sickle Cell Kidney Disease

NCT01989078
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Losartan
Drug
Lead sponsor
Emory University
Other
Eligibility
9 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 17, 2017 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

Targeting the IPA and Matching for the Non-Inherited Maternal Antigen for Haplo-Cord Transplantation

NCT01810588
View directory record Official record
Conditions
Hematologic Malignancies
Interventions
CliniMACS® CD34 Reagent System, Fludarabine, Melphalan, anti-thymocyte globulin (rabbit), Rituximab, Total Body Irradiation, Mycophenolate Mofetil, Tacrolimus
Device · Drug · Radiation
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2026
U.S. locations
2
States / cities
Chicago, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 6, 2026, 1:04 PM 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 6, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

A Myeloablative Conditioning Regimen and Total Body Irradiation Followed by the Transplantation for Patients With Hematological Malignancy

NCT00597519
View directory record Official record
Conditions
Cancer, Leukemia, Myelodysplastic Syndrome, Non-Hodgkin's Lymphoma
Interventions
Fludarabine, Cyclophosphamide, Transplantation
Drug · Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
4 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2016 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Donor Alloantigen Reactive Tregs (darTregs) for Calcineurin Inhibitor (CNI) Reduction

NCT02474199
View directory record Official record
Conditions
Liver Transplant Recipient, Living Donor (of the Respective Liver Transplant Recipient)
Interventions
darTregs, Acetaminophen, Diphenhydramine, Immunosuppression (IS) Withdrawal, Study Mandated Procedures
Biological · Drug · Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
3
States / cities
San Francisco, California • Chicago, Illinois • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Crossover Bioequivalence Study of Irbesartan HCTZ 300/25 mg Tablets Under Fasted Conditions

NCT01712139
View directory record Official record
Conditions
Hypertension
Interventions
Irbesartan and Hydrochlorothiazide, Avalide
Drug
Lead sponsor
Roxane Laboratories
Industry
Eligibility
18 Years to 45 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 6, 2026, 1:04 PM EDT
Completed No phase listed Observational

ACE Inhibitors Combined With Exercise for Seniors - Pilot Study

NCT01891513
View directory record Official record
Conditions
Hypertension, Aging
Interventions
Exercise, ACE inhibitor + exercise, Thiazide diuretic + exercise, Angiotensin receptor blocker + exercise
Behavioral · Drug
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 5, 2017 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

Phase 2 Study of Autologous Followed by Nonmyeloablative Allogeneic Transplantation Using TLI & ATG

NCT00899847
View directory record Official record
Conditions
Transplantation, Homologous, Transplantation, Autologous, Multiple Myeloma, Blood and Marrow Transplant (BMT)
Interventions
Autologous peripheral blood stem cells (auto-PBSC) transplantation, Allogeneic peripheral blood stem cells (allo-PBSC) transplantation, Filgrastim, Cyclophosphamide, Melphalan, Cyclosporine, Total lymphoid irradiation, Rabbit anti-thymocyte globulin, Mycophenolate Mofetil 250mg, Solumedrol, Diphenhydramine, Acetaminophen, Hydrocortisone
Procedure · Drug · Radiation + 1 more
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2017 · Synced Oct 6, 2026, 1:04 PM EDT
Recruiting Phase 1Phase 2 Interventional

Stem Cell Transplantation in Crohn's Disease

NCT04224558
View directory record Official record
Conditions
Crohn Disease
Interventions
Mesna, Cyclophosphamide, Filgrastim, Apheresis catheter placement, Leukapheresis, Fludarabine, Methylprednisolone, Diphenhydramine, Acetaminophen, anti-thymocyte globulin (rabbit), lymphocyte immune globulin, Peripheral Blood Stem Cell Infusion, Cytoxan
Drug · Procedure · Biological
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
13 Years to 28 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Terminated Phase 2 Interventional Results available

Impact of Temsirolimus Therapy on Circulating Tumor Cell Biology In Men With Castration Resistant Metastatic Prostate Cancer

NCT00887640
View directory record Official record
Conditions
Prostate Cancer
Interventions
Temsirolimus, Diphenhydramine
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Male only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Durham, North Carolina • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 26, 2014 · Synced Oct 6, 2026, 1:04 PM EDT
Terminated Phase 1 Interventional

Irradiated Donor Lymphocytes and Rituximab in Treating Patients With Relapsed or Refractory Lymphoproliferative Disease

NCT00176475
View directory record Official record
Conditions
Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm
Interventions
rituximab, therapeutic allogeneic lymphocytes
Biological
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 17, 2013 · Synced Oct 6, 2026, 1:04 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Ibrutinib Plus Rituximab for cGVHD Following Allo-SCT

NCT03689894
View directory record Official record
Conditions
Chronic Graft-versus-host-disease
Interventions
Ibrutinib, Rituximab
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Oct 6, 2026, 1:04 PM EDT
Not yet recruiting Early Phase 1 Interventional

A Pilot Study of Anselamimab in Patients With AL Amyloidoma and Measurable Tissue Involvement

NCT07615270
View directory record Official record
Conditions
AL Amyloidosis
Interventions
Anselamimab
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 4 Interventional Results available

A Clinical Study to Evaluate Renal Hemodynamic Responses to Aliskiren in Patients With Type 2 Diabetes Mellitus

NCT00660309
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Aliskiren, Irbesartan, Captopril
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 75 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 29, 2012 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

Losartan for Patients With COVID-19 Not Requiring Hospitalization

NCT04311177
View directory record Official record
Conditions
Corona Virus Infection, Acute Respiratory Distress Syndrome, SARS-CoV Infection
Interventions
Losartan, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Minneapolis, Minnesota • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 1 Interventional

Treatment of Supine Hypertension in Autonomic Failure

NCT00223717
View directory record Official record
Conditions
Hypertension
Interventions
Clonidine, Nitroglycerin transdermal, Dipyridamole/ Aspirin (Aggrenox), Desmopressin (DDAVP), Sildenafil, Nifedipine, Hydralazine, Hydrochlorothiazide, Placebo, Bosentan, Diltiazem, Eplerenone, guanfacine, L-arginine, captopril, carbidopa, losartan, metoprolol tartrate, nebivolol hydrochloride, prazosin hydrochloride, tamsulosin hydrochloride, Head-up tilt., aliskiren, Local heat stress
Drug · Dietary Supplement · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 6, 2026, 1:04 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Countermeasures to Reduce Sensorimotor Impairment and Space Motion Sickness Resulting From Altered Gravity Levels

NCT02136420
View directory record Official record
Conditions
Vestibular
Interventions
Promethazine, Hyper gravity training, Placebo, No hypergravity training
Drug · Behavioral
Lead sponsor
Faisal_Karmali@MEEI.HARVARD.EDU
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 8, 2018 · Synced Oct 6, 2026, 1:04 PM EDT