Zyrtec Related Clinical Trials
Randomized Phase III Study to Evaluate the Efficacy and Safety of Xyzal� (Levocetirizine) vs Zyrtec� (Cetirizine) in Subjects With Dermatitis and Eczema [Completed]
Preference for Clarinex Tablets vs. Zyrtec Tablets in Patients With Allergies (P03180) [Completed]
Preference for Clarinex Tablets vs. Zyrtec Tablets in Patients With Allergies (P03182) [Completed]
Preference for Clarinex Tablets vs. Zyrtec Tablets in Patients With Allergies (P03181) [Completed]
Multi-Center, Pediatric, Open-Label, Preference Study of Desloratadine 2.5 mg Reditab (SCH34117) and Zyrtec ® 5.0 mg Chewable Tablet Medications (Study P04573) (Completed) [Completed]
Multi-center, Pediatric, Open-label, Preference Study of Desloratadine 2.5 mg Reditab (SCH34117) and Zyrtec 5.0 mg Chewable Tablet Medications (Study P04574)(COMPLETED) [Completed]
A Relative Bioavailability Study of Cetirizine HCl 10 mg Tablets Under Non-fasting Conditions [Completed]
Cetirizine Hydrochloride Tablets, 10 mg Bioequivalence Study of Dr.Reddy's Under Fasting Condition [Completed]
Cetirizine Hydrochloride Tablets, 10 mg Bioequivalence Study of Dr.Reddy's Under Fed Condition [Completed]
Study of Bronchodilation Effects of Cetirizine [Completed]
Comparison of the Effect of Montelukast and Cetirizine on Allergic Inflammation in Children With Allergic Rhinitis [Recruiting]
A Relative Bioavailability Study of Cetirizine HCl 10 mg Tablets Under Fasting Conditions [Completed]
Taste Test Between Desloratadine and Cetirizine Syrup in Children (Study P03826)(COMPLETED) [Completed]
Taste Test Between Desloratadine and Cetirizine Syrup in Children (Study P03829)(COMPLETED) [Completed]
A Comparator Study of Fluticasone Propionate Nasal Spray Verses (vs) Cetirizine in the Treatment of Seasonal Allergic Rhinitis [Completed]
Bioequivalence Study of Cetirizine Hydrochloride 10mg Tablets Under Fasting Conditions [Completed]
Food Study of Cetirizine HCl Tablets 10 mg and Zyrtec® 10 mg [Completed]
Fasting Study of Cetirizine HCl Tablets 10 mg and Zyrtec® Tablets 10 mg [Completed]
Bioequivalence Study of Cetirizine Hydrochloride 10mg Tablets Under Fed Conditions [Completed]
A Study to Evaluate the Impact on Skin (Injection Site) Reactions of Taking an Antihistamine (Zyrtec®) or Placebo Prior to Daily Injections of Copaxone®. [Completed]
Efficacy and Safety of Cetirizine Tablets Versus Ketotifen Dry Syrup in Children With Perennial Allergic Rhinitis [Completed]
To Demonstrate the Relative Bioavailability of Cetirizine Hydrochloride/Pseudoephedrine Hydrochloride 5 mg/120 mg Extended Release (ER) Tablets Under Fed Conditions [Completed]
To Demonstrate the Relative Bioavailability of Cetirizine Hydrochloride/Pseudoephedrine Hydrochloride 5 mg/120 mg Extended Release (ER) Tablets Under Fasting Conditions [Completed]
Phase II Study Evaluating ONO-4053 and Cetirizine in Subjects With Seasonal Allergic Rhinitis [Completed]
Is Levocetirizine Less Sedating Than Cetirizine? [Completed]
A Randomized, Double-Blind, 4-way Crossover Study to Evaluate the Efficacy of Bilastine in the Vienna Challenge Chamber [Completed]
Facial Thermography Study of Levocetirizine Versus Cetirizine [Completed]
Cetirizine Placebo Controlled Study For Perennial Allergic Rhinitis [Completed]
Study Of Cutaneous Disease Accompanied With Pruritus In Pediatrics [Completed]
Efficacy Study for the Symptomatic Treatment of Perennial Allergic Rhinitis With a 1 Year Safety Extension [Completed]
A Comparative Double-Blind, Double- Dummy Study of Desloratadine (DL) 5 MG Once Daily, Cetirizine 10 MG Once Daily, and Placebo Once Daily in Patients With Chronic Idiopathic Urticaria (Study P03735) [Completed]
A Comparative Double-blind, Double-dummy Study of Desloratadine (DL) 5 mg Once Daily, Cetirizine 10 mg Once Daily, and Placebo Once Daily in Patients With Chronic Idiopathic Urticaria (Study P03736) [Terminated]
Efficacy Study for the Symptomatic Treatment of Seasonal Allergic Rhinitis [Completed]
A Cross Over Study to Compare the Effect of Combined Treatment With QAV680 and Cetirizine [Completed]
Pharmacokinetic Study of Levocetirizine Oral Solution [Completed]
723/726 Proof of Concept Study in Allergen Challenge Chamber in Hannover [Completed]
Allergen Challenge Chamber Study With Single Dose Oral GSK835726 Compared With Placebo [Completed]
Study Of Atopic Dermatitis In Pediatrics [Completed]
Study Of Perennial Allergic Rhinitis In Pediatrics [Completed]
Combination Study Of S-555739/Cetirizine HCl In Adult Patients With Seasonal Allergic Rhinitis [Completed]
Study to Assess the Effect of a Combination of Cetirizine With Pseudoephedrine Versus Cetirizine Alone on Symptoms in Patients With Allergic Rhinitis [Completed]
To Test Bioequivalence Between Two Tablet Formulations in the Treatment of Allergy [Completed]
Perennial Allergic Rhinitis In Pediatric Subjects [Completed]
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 [Completed]
Phase 1 Study of Levocetirizine [Completed]
Study of Using Long Acting Antihistamine to Treat Opioid Induced Itching [Recruiting]
Evaluation of the Inhibitory Effect of 5 Anti-Histamines in Urticaria [Completed]
Montelukast in Perennial Allergic Rhinitis - 2001-2002 Study (0476-246) [Completed]
Efficacy of Levocetirizine and Cetirizine in Reducing Symptoms of Seasonal Allergic Rhinitis in Ragweed Sensitive Subjects [Completed]
Efficacy, Safety, and Tolerability Study of ACT-129968 in Patients With Seasonal Allergic Rhinitis [Completed]
Acupuncture for Seasonal Allergic Rhinitis [Completed]
Study to Compare the Effect of a Combination of Cetirizine With Pseudoephedrine Versus Placebo on Symptoms in Patients With Allergic Rhinitis Within/Out of Season [Completed]
A Study To Investigate The Effect of JNJ-39758979 on Histamine Induced Itch in Healthy Male Volunteers [Completed]
Compare the Efficacy of Levocetirizine to Placebo in Reducing Symptoms of SAR in Sensitive Subjects Exposed to Ragweed Pollen [Completed]
A Clinical Trial Evaluating the Role of Systemic Antihistamine Therapy in the Reduction of Adverse Effects Associated With Topical 5-aminolevulinic Acid Photodynamic Therapy [Recruiting]
Rhinitis, Cognition and Driving Performance [Completed]
Safety, Tolerability and Pharmacokinetics Trial of JDP-205 Injection 10 mg [Completed]
A Study To Investigate If MRI Scanning Is Effective At Seeing What Hayfever Drugs Do In Nasal Passage. [Completed]
Anti-histamines and Methacholine Challenges. [Completed]
A Study of the Safety, Tolerability, Pharmacokinetics, And Effects On Histamine-Induced Wheal Of PF-05180999 In Healthy Adults [Terminated]
A Randomized, Placebo Controlled Study to Determine the Efficacy and Speed of a Nasal Spray in Allergen Induced Seasonal Allergic Rhinitis [Completed]
Taste and Local Tolerance Study of NLA Nasal Spray in Patients With Allergic Rhinitis [Completed]
The Effect of Levocetirizine on Inflammatory Mediators in Dermatographism [Terminated]
Efficacy Study of Dialyzed Leukocytes Extracts to Treat Paediatric Moderate Atopic Dermatitis [Completed]
Management Of The Infusion-Associated Reactions In RRMS Patients Treated With LEMTRADA [Active, not recruiting]
Asthma Phenotypes in the Inner City [Active, not recruiting]
Efficacy Study of Montelukast in Atopic Dermatitis Induced by Food Allergens [Completed]
Mechanisms of Allergen Immunotherapy [Completed]
A Study of Xolair (Omalizumab) in Patients With Chronic Idiopathic Urticaria (CIU) Who Remain Symptomatic With Antihistamine Treatment (H1) [Completed]
Ofatumumab Versus Rituximab in Children With Steroid and Calcineurin Inhibitor Dependent Idiopathic Nephrotic Syndrome [Recruiting]
Ofatumumab in Children With Drug Resistant Idiopathic Nephrotic Syndrome [Not yet recruiting]
Anti-inflammatory H1 Antihistamines Allergic Rhinitis [Completed]
Efficacy of Levocetirizine Fourfold Dosage in Chronic Spontaneous Urticaria [Not yet recruiting]
Levocetirizine + Capecitabine + Bevacizumab for Patients With Refractory Colorectal Cancer [Active, not recruiting]
Efficacy and Safety of Concomitant Montelukast Sodium and Levocetirizine Dihydrochloride in Perennial Allergic Rhinitis (PAR) Patients [Completed]
Safety Study of Levocetirizine and Fexofenadine [Completed]
Bioequivalence Study of Levocetirizine Dihydrochloride Tablets 5 mg Under Fed Condition [Completed]
Safety Study of Levocetirizine Oral Solution for Japanese Pediatrics [Completed]
Bioequivalence Study of Levocetirizine Dihydrochloride Tablets 5 mg Under Fasting Condition [Completed]
Efficacy/Safety of Pseudoephedrine Plus Levocetirizine Versus Placebo in Patients With Vasomotor Rhinitis [Completed]
Bioequivalence Study of Levocetirizine DiHCl Tablets 5mg of Dr. Reddy's Under Fasting Conditions [Completed]
Bioequivalence Study of Levocetirizine DiHCl Tablets 5mg of Dr. Reddy's Under Fed Conditions [Completed]
Effects of Levocetirizine and Hydroxyzine on Cognitive and Psychomotor Functioning During Simulated Diving [Completed]
A Drug Interaction Study of Montelukast and Levocetirizine [Completed]
Omnaris Versus Levocetirizine Phase 4 Study [Completed]
Levocetirizine Plus Bed-Time Hydroxyzine in the Management of Corticodependent Chronic Urticaria Versus Levocetirizine Alone in High Doses [Completed]
Cosalin® Monotherapy Versus Cosalin® and Xarlin® Combination Therapy [Enrolling by invitation]
3-D Visualization of the Anti-Obstructive Effect of Levocetirizine [Completed]
Levocetirizine Effect on Nasal Nitric Oxide and Nasal Eosinophils in Subjects With Perennial Allergic Rhinitis [Completed]
Management of Pruritus With Xyzal in Atopic Dermatitis [Completed]
The Effect of Desloratadine and Levocetirizine on Nasal Obstruction (Study P03609) [Completed]
To Evaluate Adenosine Monophosphate and Allergen Challenge in Allergic Rhinitis [Completed]
A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis [Completed]
Safety Study of Levocetirizine Dihydrochloride Oral Liquid Formulation in Children Aged 6 Months to 11 Months [Completed]
A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis [Completed]
Safety Study of Levocetirizine Dihydrochloride Oral Liquid Formulation in Children Aged 1 to Less Than 6 Years Suffering From Allergic Rhinitis or Chronic Urticaria of Unknown Origin [Completed]
Efficacy and Safety of Levocetirizine and Fexofenadine in Reducing Symptoms of Seasonal Allergic Rhinitis [Completed]
Study to Compare the Efficacy and Safety Between Levocetirizine and Loratadine for Chronic Idiopathic Urticaria [Completed]
To Evaluate the Efficacy and Safety of Levocetirizine Versus Loratadine for Treatment of Seasonal Allergic Rhinitis [Completed]
Efficacy and Safety of Levocetirizine Versus Loratadine for the Treatment of Perennial Allergic Rhinitis [Completed]
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