Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 12, 2026, 8:50 PM EDT

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Acute Urticaria
Interventions
Test Drug (JDP-205), Active Control (Diphenhydramine)
Drug
Lead sponsor
JDP Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
3
States / cities
Cincinnati, Ohio • Philadelphia, Pennsylvania • Dallas, Texas
Completed Phase 1Phase 2 Interventional Results available

Neuromyelitis Optica (NMO) & Cetirizine

NCT02865018
Conditions
Neuromyelitis Optica
Interventions
cetirizine
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 85 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Conditions
Seasonal Allergic Rhinitis
Interventions
ACT-129968, Placebo, Cetirizine
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
12 Years to 76 Years
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
7
States / cities
Austin, Texas • Kerrville, Texas • New Braunfels, Texas + 1 more
Conditions
HER2-negative Breast Cancer, Metastatic Breast Cancer, Metaplastic Breast Carcinoma, TNBC - Triple-Negative Breast Cancer
Interventions
L-NMMA
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
3
States / cities
Bethesda, Maryland • Houston, Texas
Conditions
Allergic Conjunctivitis
Interventions
AC-170 0.24%, AC-170 0%
Drug
Lead sponsor
Aciex Therapeutics, Inc.
Industry
Eligibility
10 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Andover, Massachusetts
Conditions
Irritable Bowel Syndrome, Dermatographism, Post-prandial Diarrhea
Interventions
Antihistamine, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Multiple Sclerosis
Interventions
Cetirizine, Diphenhydramine
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boca Raton, Florida
Conditions
Allergic Rhinitis
Interventions
Cetirizine, Placebo
Drug · Other
Lead sponsor
Queen's University
Other
Eligibility
18 Years to 65 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Allergic Conjunctivitis
Interventions
AC-170 0.05%, AC-170 0.1%, AC-170 0.24%, AC-170 0%
Drug
Lead sponsor
Aciex Therapeutics, Inc.
Industry
Eligibility
10 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Andover, Massachusetts
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

The Effect of Cetirizine HCl on Exercise-induced Arterial Hypoxemia in Highly-trained Swimmers

NCT05095311
Conditions
Exercise-induced Arterial Hypoxemia
Interventions
Cetirizine HCl, Placebo
Drug · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bloomington, Indiana
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Efficacy of Claritin in Healthy Subjects

NCT01451996
Conditions
Healthy
Interventions
Claritin
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years
Enrollment
340 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Healthy
Interventions
Cetirizine HCl Tablets 10 mg, Zyrtec® Tablets 10 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Houston, Texas
Conditions
COVID-19
Interventions
Cetirizine, Famotidine, Cetirizine Placebo, Famotidine Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
4
States / cities
Atlanta, Georgia
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
Conditions
Normal Ocular Health
Interventions
AC-170 0.17%, AC-170 0.24% (Formulation 1), AC-170 0.24% (Formulation 2), Olopatadine hydrochloride 0.2%/Tears Naturale II
Drug
Lead sponsor
Aciex Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Andover, Massachusetts
Conditions
Healthy Subjects
Interventions
AC-170 0.24%, AC-170 Vehicle
Drug
Lead sponsor
Nicox Ophthalmics, Inc.
Industry
Eligibility
2 Years and older
Enrollment
516 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Andover, Massachusetts
Completed Phase 4 Interventional Results available

Is Levocetirizine Less Sedating Than Cetirizine?

NCT00826943
Conditions
Allergic Rhinitis
Interventions
Cetirizine, Levocetirizine, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 77 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Asthma in Children
Interventions
Cholecalciferol, antihistamine, Azithromycin, emollient cream, Fluticasone Propionate, Asthma Controller Medication
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Allergic Rhinitis, Asthma
Interventions
Cetirizine, Placebo
Drug
Lead sponsor
California Allergy and Asthma Medical Group, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Migraine
Interventions
PF-05180999, Placebo, 120 mg MR PF-05180999, 360 mg MR PF-05180999, 10 mg cetirizine
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Saint Paul, Minnesota
Conditions
Glycogen Storage Disease Type III
Interventions
UX053, Placebo, Antipyretic, H2 Blocker, H1 Blocker
Biological · Other · Drug
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Orange, California • Atlanta, Georgia • Philadelphia, Pennsylvania + 1 more
Conditions
Covid19
Interventions
Cetirizine and Famotidine, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Atlanta, Georgia
Conditions
Allergic Rhinitis, Asthma
Interventions
Cetirizine Hydrochloride 1 MG/ML, Placebo - Concentrate
Drug
Lead sponsor
New York City Health and Hospitals Corporation
Other
Eligibility
6 Years to 20 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Oncology Patients Receiving Chemotherapy
Interventions
Cetirizine HCl 10 mg/mL, Diphenhydramine 50 mg/mL, anti-CD20 such as Rituximab or Paclitaxel
Drug
Lead sponsor
TerSera Therapeutics LLC
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
7
States / cities
Napa, California • Rancho Mirage, California • Santa Rosa, California + 4 more