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Showing 1–24 of 45 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Cetirizine Clear all
Completed Phase 2 Interventional

Study of ACT-129968 in Adult Patients With Seasonal Allergic Rhinitis

NCT01241214
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
ACT-129968, Cetirizine, Placebo
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years to 70 Years
Enrollment
579 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
7
States / cities
Austin, Texas • Kerrville, Texas • New Braunfels, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Sep 3, 2026, 4:24 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Study of the Safety, Tolerability, Pharmacokinetics, And Effects On Histamine-Induced Wheal Of PF-05180999 In Healthy Adults

NCT01981499
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 7, 2014 · Synced Sep 3, 2026, 4:24 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 3, 2024 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 3 Interventional Results available

Pilot Phase III Clinical Trial of JDP-205 IV Injection for Treatment of Acute Urticaria

NCT02023164
View directory record Official record
Conditions
Acute Urticaria
Interventions
JDP-205 Injection, Diphenhydramine
Drug
Lead sponsor
JDP Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Cincinnati, Ohio • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 3 Interventional Results available

A Multi-Center Study Evaluating the Safety of AC-170 0.24%

NCT02132169
View directory record Official record
Conditions
Atopic Disease (Including Allergic Conjunctivitis)
Interventions
Drug: AC-170 0.24%, AC-170 0%
Drug
Lead sponsor
Aciex Therapeutics, Inc.
Industry
Eligibility
2 Years and older
Enrollment
512 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Sep 3, 2026, 4:24 AM EDT
Recruiting Phase 2 Interventional

Alpelisib/iNOS Inhibitor/Nab-paclitaxel in Patients With HER2 Negative Metaplastic Breast Cancer (MpBC)

NCT05660083
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 3, 2026, 4:24 AM EDT
Terminated Phase 3 Interventional Results available

Treatment of Long CoronaVirus Disease (COVID) (TLC) Feasibility Trial

NCT05946551
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 3 Interventional Results available

A Multi-Center Study Evaluating the Onset and Duration of Action of AC-170 0.24% Compared to Vehicle in the Conjunctival Allergen Challenge (CAC)

NCT01551056
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
AC-170 0.24%, AC-170 0%
Drug
Lead sponsor
Aciex Therapeutics, Inc.
Industry
Eligibility
10 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Sep 3, 2026, 4:24 AM EDT
Terminated Phase 4 Interventional Results available

Study of Using Long Acting Antihistamine to Treat Opioid Induced Itching

NCT01825655
View directory record Official record
Conditions
Pruritus
Interventions
Cetirizine, Placebo or sugar pill
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
6 Years to 18 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Food Study of Cetirizine HCl Tablets 10 mg and Zyrtec® 10 mg

NCT00649857
View directory record Official record
Conditions
Healthy
Interventions
Cetirizine HCl Tablets 10 mg, Zyrtec® 10 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 3, 2026, 4:24 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 13, 2017 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Efficacy of AC-170 for the Treatment of Allergic Conjunctivitis in the Conjunctival Allergen Challenge (CAC) Model

NCT01332188
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 1 Interventional

A Comparison of the Safety and Comfort of AC-170

NCT01495338
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 3 Interventional Results available

A Multi-Center, Evaluation of the Onset and Duration of Action of AC-170 0.24% Compared to Vehicle

NCT01881113
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 8, 2017 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 4 Interventional Results available

A Prospective Study to Investigate Safety and Tolerability of Shorter Infusion of Fabrazyme

NCT06019728
View directory record Official record
Conditions
Fabry's Disease
Interventions
AGALSIDASE BETA (GZ419828), Acetaminophen, Diphenhydramine, Dexamethasone, Montelukast, Loratadine, Cetirizine, Fexofenadine
Drug
Lead sponsor
Sanofi
Industry
Eligibility
2 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
5
States / cities
Santa Monica, California • Atlanta, Georgia • Grand Rapids, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Single Center, Randomized, Double-Blind,Crossover Study Comparing Effects Of Single-Dose Fexofenadine HCl 180 mg, Cetirizine 10 mg, and Placebo on Cognitive Performance in Naval Flight Personnel

NCT00637455
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
fexofenadine HCl
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 10, 2011 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation the Effects of Various Treatments on RZL-012-Induced Adverse Events

NCT05476679
View directory record Official record
Conditions
Submental Fat
Interventions
RZL-012, RZL-012+Lidacaine injection prior treatment, RZL-012+Medrol, RZL-012+Celecoxib+Zyrtec, RZL-012+facial and neck wrap
Drug
Lead sponsor
Raziel Therapeutics Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Manhattan, New York
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Neuromyelitis Optica (NMO) & Cetirizine

NCT02865018
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 6, 2023 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 4 Interventional

The Effect of Cetirizine on Bronchoconstriction

NCT03340740
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 17, 2022 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 1 Interventional

A Single-Center, Open-Label, Study of the Plasma Pharmacokinetics and Safety of AC-170 0.24%

NCT02173249
View directory record Official record
Conditions
Healthy
Interventions
AC 170 0.24%
Drug
Lead sponsor
Aciex Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Sep 3, 2026, 4:24 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Rash & Diarrhea Prophylaxis With Capivasertib

NCT07426822
View directory record Official record
Conditions
Metastatic HR+/HER2- Breast Cancer
Interventions
Capivasertib, Loperamide, Fulvestrant, Ceterizine
Drug
Lead sponsor
Maryam Lustberg
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 4 Interventional Results available

Is Levocetirizine Less Sedating Than Cetirizine?

NCT00826943
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 19, 2014 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 3 Interventional Results available

A Multi-Center, Vehicle-Controlled, Parallel-Group Study Evaluating the Safety of AC-170 Ophthalmic Solution

NCT02756624
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Sep 3, 2026, 4:24 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Efficacy of Claritin in Healthy Subjects

NCT01451996
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Sep 3, 2026, 4:24 AM EDT