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ClinicalTrials.gov public records Last synced Oct 21, 2026, 8:32 AM EDT

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Showing 1–24 of 102 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: histamine phosphate Clear all
Completed Not applicable Interventional

Prevention of Broncho-aspiration (BA) in Adult Subjects During Their ICU Stay

NCT05284084
View directory record Official record
Conditions
Bronchial Aspiration
Interventions
Bed Head elevation, H2 blockers and mouth wash, Data collection for comparison
Other
Lead sponsor
Marshall University
Other
Eligibility
18 Years and older
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Huntington, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effects of Antihistamines on Pre-Pulse Inhibition

NCT01537471
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Meclizine
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 2 Interventional Results available

NOLAN: Naproxen or Loratadine and Neulasta

NCT01712009
View directory record Official record
Conditions
Bone Pain in Stage I - III Breast Cancer
Interventions
Naproxen, Loratadine, Pegfilgrastim, Chemotherapy
Drug · Biological
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 100 Years · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
83
States / cities
Muscle Shoals, Alabama • Anaheim, California • Fullerton, California + 78 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Oct 21, 2026, 8:32 AM EDT
Terminated Phase 2 Interventional

Efficacy and Safety Study of TOLAMBA™ in Ragweed-Allergic Adults

NCT00387738
View directory record Official record
Conditions
Rhinitis, Allergic, Seasonal
Interventions
Amb a 1 immunostimulatory oligodeoxyribonucleotide conjugate, Histamine base
Biological
Lead sponsor
Dynavax Technologies Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
738 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
28
States / cities
Oxford, Alabama • Stockbridge, Georgia • Normal, Illinois + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Oct 21, 2026, 8:32 AM EDT
Recruiting Phase 3 Interventional

Ketotifen for Children With Functional Dyspepsia in Association With Duodenal Eosinophilia

NCT02484248
View directory record Official record
Conditions
Functional Dyspepsia
Interventions
Ketotifen, Placebo
Drug
Lead sponsor
Craig A. Friesen, MD
Other
Eligibility
8 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 21, 2026, 8:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Histamine Pharmacogenetics in Children With Atopic Dermatitis

NCT00277433
View directory record Official record
Conditions
Dermatitis, Atopic
Interventions
Buccal Swab
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
6 Months to 5 Years
Enrollment
751 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
7
States / cities
Little Rock, Arkansas • San Diego, California • Washington D.C., District of Columbia + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2017 · Synced Oct 21, 2026, 8:32 AM EDT
Terminated Phase 2 Interventional Results available

Elotuzumab in Immunoglobulin G4-Related Disease (IgG4-RD)

NCT04918147
View directory record Official record
Conditions
IgG4 Related Disease, IgG4-RD
Interventions
elotuzumab, placebo for elotuzumab, methylprednisolone, diphenhydramine, acetaminophen, famotidine, prednisone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
3
States / cities
Atlanta, Georgia • Boston, Massachusetts • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate Safety, and Efficacy of SUVN-G3031 (Samelisant) in Patients With Narcolepsy With and Without Cataplexy

NCT04072380
View directory record Official record
Conditions
Narcolepsy
Interventions
SUVN-G3031, Placebo
Drug
Lead sponsor
Suven Life Sciences Limited
Industry
Eligibility
18 Years to 65 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety and Efficacy of Abatacept in Subjects With Chronic Urticaria Who Have Had an Inadequate Response to Anti-histamine Therapy

NCT00886795
View directory record Official record
Conditions
Urticaria
Interventions
abatacept (Orencia ®)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 25, 2016 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

NeoMatriX Wound Matrix Collagen Dressing Skin Prick Test

NCT03522675
View directory record Official record
Conditions
Allergy Skin, Allergy, Dermatitis, Allergic Contact
Interventions
NeoMatriX Wound MatriX Collagen Dressing
Device
Lead sponsor
NeXtGen Biologics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2019 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Supplement With and Without a Probiotic

NCT04433208
View directory record Official record
Conditions
Healthy Adult Subjects
Interventions
Complex oligosaccharide, Probiotic, PPI, H2 Blocker
Dietary Supplement · Other
Lead sponsor
Prolacta Bioscience
Industry
Eligibility
18 Years to 44 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 21, 2026, 8:32 AM EDT
Recruiting Phase 2 Interventional

Optimizing the Diagnostic Approach to Cephalosporin Allergy Testing

NCT06406114
View directory record Official record
Conditions
Drug Allergy, Cephalosporin Allergy, Drug Hypersensitivity, Antibiotic Allergy, Beta Lactam Adverse Reaction, Drug-Induced Anaphylaxis, Cephalosporin Reaction
Interventions
Beta-lactam antibiotic (cefazolin, cefuroxime, cefotaxime, ceftazidime, ceftriaxone, cefepime, pre-pen, penicillin G, ampicillin, and histamine) double-blind skin testing, Culprit cephalosporin (cefazolin, ceftazidime, ceftriaxone, cefepime, cephalexin, cefaclor, cefadroxil, cefuroxime, cefpodoxime, cefdinir, or cefixime) double-blind placebo-controlled drug challenge, Similar cephalosporin (cefepime, ceftriaxone, cefaclor, cephalexin, cefixime, or cefdinir) antibiotic double-blind placebo-controlled drug challenge, Dissimilar cephalosporin (ceftriaxone or cefazolin) antibiotic double-blind placebo-controlled drug challenge, Amoxicillin double-blind placebo-controlled drug challenge
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
Scottsdale, Arizona • San Francisco, California • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 2 Interventional Results available

Randomized Trial for Mixed Acute Rejection

NCT00771875
View directory record Official record
Conditions
Graft Rejection
Interventions
Rabbit Antithymocyte Globulin (RATG), Rituximab, Bortezomib, Acetaminophen, Antihistamine, Methylprednisolone
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
2
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 27, 2016 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 3 Interventional Results available

A Safety Study of Xolair (Omalizumab) in Patients With Chronic Idiopathic Urticaria (CIU) Who Remain Symptomatic Despite Treatment With H1 Antihistamines, H2 Blockers, and/or Leukotriene Receptor Antagonists

NCT01264939
View directory record Official record
Conditions
Chronic Idiopathic Urticaria
Interventions
Omalizumab, Placebo, H1 antihistamine, H2 antihistamine, leukotriene receptor antagonist, Diphenhydramine
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
12 Years to 75 Years
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
40
States / cities
Scottsdale, Arizona • Mission Viejo, California • Napa, California + 35 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2013 · Synced Oct 21, 2026, 8:32 AM EDT
Recruiting Phase 2 Interventional

A Clinical Trial of MK-2010 With Sacituzumab Tirumotecan (Sac-TMT) in Participants With Solid Tumors (MK-2010)

NCT07785609
View directory record Official record
Conditions
Advanced Solid Tumors, Malignant Neoplasm
Interventions
MK-2010, Sacituzumab tirumotecan, Histamine H1 Receptor Antagonist, Histamine H2 Receptor Antagonist, Acetaminophen (or equivalent), Dexamethasone (or equivalent), Steroid mouthwash (dexamethasone or equivalent), Epinephrine
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Skin Prick Test of KeraStat® Cream

NCT04058054
View directory record Official record
Conditions
Hypersensitivity
Interventions
KeraStat® Cream, KeraStat Gel, Biafine, Histamine, Saline (0.9% NaCl)
Device · Drug
Lead sponsor
KeraNetics, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 3 Interventional

Apitox, Honeybee Toxin for Pain and Inflammation of Osteoarthritis

NCT01112722
View directory record Official record
Conditions
Osteoarthritis of the Knee
Interventions
Apitox, purified honeybee toxin, lyophilized in saline, histamine
Biological
Lead sponsor
Apimeds, Inc.
Industry
Eligibility
30 Years to 85 Years
Enrollment
363 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
15
States / cities
Gulf Shores, Alabama • Tucson, Arizona • Garden Grove, California + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 13, 2016 · Synced Oct 21, 2026, 8:32 AM EDT
Terminated Phase 3 Interventional Results available

Long-Term Extension Study of Ofatumumab in Subjects With Pemphigus Vulgaris

NCT02613910
View directory record Official record
Conditions
Pemphigus
Interventions
Ofatumumab, Acetaminophen/paracetamol, Antihistamine (cetirizine or equivalent), Prednisone/Prednisolone
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
Los Angeles, California • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 1 Interventional Results available

Durvalumab and Vicineum in Subjects With High-Grade Non-Muscle-Invasive Bladder Cancer Previously Treated With Bacillus Calmette-Guerin (BCG)

NCT03258593
View directory record Official record
Conditions
Urinary Bladder Neoplasms
Interventions
Durvalumab, Vicineum, Acetaminophen, Antihistamine, Bladder Biopsy, TURBT, Cystoscopy, Urine cytology, Electrocardiogram, CT, MRI
Drug · Procedure · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 21, 2026, 8:32 AM EDT
Withdrawn Not applicable Interventional

In Vivo Assessment of Histamine Pharmacodynamics

NCT00809692
View directory record Official record
Conditions
Histamine Biotransformation
Interventions
validated techniques for histamine response, new technique for histamine response
Procedure
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
7 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 4 Interventional

The Effect of Xolair (Omalizumab) on Allergy Blood Cells

NCT00657891
View directory record Official record
Conditions
Asthma
Interventions
Omalizumab, Placebo
Drug
Lead sponsor
Creighton University
Other
Eligibility
16 Years to 50 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 1, 2013 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 2 Interventional Results available

Histamine Glutamate Antagonism in Stroke

NCT02142712
View directory record Official record
Conditions
Acute Cerebrovascular Accident, Cerebral Edema
Interventions
Diphenhydramine, Pantoprazole, Famotidine, Dextromethorphan
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2015 · Synced Oct 21, 2026, 8:32 AM EDT
Completed No phase listed Observational

Treatment of Zollinger-Ellison Syndrome

NCT00001241
View directory record Official record
Conditions
Zollinger Ellison Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1989 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 8:32 AM EDT
Completed Phase 2 Interventional Results available

Obinutuzumab in cGVHD After Allogeneic Peripheral Blood Stem Cell Transplantation

NCT02867384
View directory record Official record
Conditions
Graft vs. Host Disease
Interventions
Obinutuzumab, Placebo
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
5
States / cities
Palo Alto, California • Boston, Massachusetts • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 21, 2026, 8:32 AM EDT