Histamine Antagonists: all 646 studies that test it
Page 6 of 7. Open to participants first (64), then studies with results posted, then the rest; newest registration first within each.
- Non-inferiority Clinical Trial of Dexchlorpheniramine (Cream Versus Lotion) in the Relief of Insect Bite Related SymptomsStatus unknownNCT00995397Phase 3
- A Study Evaluating The Absorption Of Dimebon Into The Body From A Dimebon Solution Applied To The SkinCompletedNCT00990613Phase 1
- A Study In Healthy Volunteers To Estimate The Pharmacokinetics Of Four Modified-Release Formulations Of Dimebon (Latrepirdine)CompletedNCT00988624Phase 1
- Study of Olopatadine HCl Ophthalmic Solutions Compared to Vehicle Using the Conjunctival Allergen Challenge (CAC) Model of Acute Allergic Conjunctivitis in Japanese SubjectsCompletedNCT00987272Phase 3
- Efficacy & Safety of Loratadine-Betamethasone Oral Solution for Treatment of Severe Perennial Allergic Rhinitis in Children (Study P03428)CompletedNCT00963573Phase 4
- Chicago Social Drinking ProjectActive, not recruitingNCT00961792Not applicable
- A Safety and Efficacy Study Evaluating Dimebon (Latrepirdine) in Patients With Moderate to Severe Alzheimer's DiseaseTerminatedNCT00954590Phase 3
- To Demonstrate the Relative Bioavailability Study of Loratadine 10 mg TabletsCompletedNCT00946608Phase 1
- Safety and Tolerability Study of Clemizole Hydrochloride to Treat Hepatitis C in Subjects Who Are Treatment-NaiveCompletedNCT00945880Phase 1
- An Efficacy and Safety Study of JNJ-38518168 in Adult Participants With Rheumatoid ArthritisTerminatedNCT00941707Phase 2
- Compare Captisol-Enabled (CE) Budesonide + Azelastine Nasal Solution and Rhinocort Aqua + Astelin in an Environmental Exposure Chamber (EEC) Study of Allergic RhinitisCompletedNCT00940953Phase 2
- A Phase I Study To Estimate The Effect Of Ketoconazole And Omeprazole On The Pharmacokinetics Of Dimebon In Healthy Subjects Who Are Normal Or Poor CYP2D6 MetabolizersCompletedNCT00931073Phase 1
- A Safety and Efficacy Study of Dimebon in Patients With Huntington DiseaseCompletedNCT00920946Phase 3
- A Phase 1 Trial To Assess The Safety And Pharmacokinetics Of Single, Ascending, Oral Doses Of Dimebon In Healthy AdultsCompletedNCT00907322Phase 1
- Study Evaluating Brompheniramine Maleate Liquid in Children and AdolescentsCompletedNCT00894634Phase 1
- Levocetirizine Effect on Nasal Nitric Oxide and Nasal Eosinophils in Subjects With Perennial Allergic RhinitisCompletedNCT00894231Phase 4
- To Demonstrate the Relative Bioavailability of Cetirizine Hydrochloride/Pseudoephedrine Hydrochloride 5 mg/120 mg Extended Release (ER) Tablets Under Fed ConditionsCompletedNCT00881634Phase 1
- Comparison of the Effects of Desloratadine and Placebo in the Relief of Nasal Symptom Scores in Subjects With Seasonal Allergic Rhinitis to Cypress Pollen (Study P02836)CompletedNCT00867191Phase 4
- A Relative Bioavailability Study of Cetirizine HCl 10 mg Tablets Under Fasting ConditionsCompletedNCT00864279Phase 1
- A Relative Bioavailability Study of Cetirizine HCl 10 mg Tablets Under Non-fasting ConditionsCompletedNCT00863902Phase 1
- Allergen Challenge Chamber Study With Single Dose Oral GSK835726 Compared With PlaceboCompletedNCT00851344Phase 2
- Effects of H1-Antagonist on CognitionCompletedNCT00846950Not applicable
- Azelastine Fluticasone Combination vs. FluticasoneWithdrawnNCT00845598Phase 4
- Bioequivalence Study of Loratadine / Pseudoephedrine Sulfate 10/ 240 mg Extended-Release Tablets Under Fed ConditionsCompletedNCT00845546Not applicable
- Multi-virus CTLs Expressing CD19 Chimeric Receptors, CD19 Positive Malignancies Post SCT, MULTIPRATActive, not recruitingNCT00840853Phase 1
- Bioequivalnce Study of Loratadine / Pseudoephedrine Sulfate 10/ 240 mg Extended-Release Tablets Under Fasting ConditionsCompletedNCT00837915Not applicable
- Study Evaluating Chlorpheniramine Maleate Liquid in Children and AdolescentsCompletedNCT00837837Phase 1
- Evaluation of the Safety and Efficacy of Ketotifen 4.0% Patch as Compared to Placebo Patch, Olopatadine 0.2% Ophthalmic Solution, and Artificial Tears in the Conjunctival Allergen Challenge (CAC) Model of Acute Allergic ConjunctivitisCompletedNCT00836485Phase 2
- Study To Evaluate The Pharmacokinetics, Safety, And Tolerability Of Dimebon [Pf-01913539] In Subjects With Hepatic Impairment And Normal Hepatic FunctionCompletedNCT00831532Phase 1
- Dimebon (PF-01913539)-Digoxin Drug-Drug Interaction Study In Healthy SubjectsCompletedNCT00831506Phase 1
- Safety and Tolerability of Dimebon in Patients on Memantine, and Memantine Plus DonepezilCompletedNCT00829816Phase 1
- Safety and Efficacy Study Evaluating Dimebon in Patients With Mild to Moderate Alzheimer's Disease on DonepezilCompletedNCT00829374Phase 3
- A Phase 1, Randomized, Open-Label, Two-Way Crossover Study To Evaluate The Steady-State Effect Of Dimebon (PF 01913539) On The Single-Dose Pharmacokinetics And Pharmacodynamics Of Warfarin In Healthy SubjectsCompletedNCT00827034Phase 1
- A Phase 1 Study To Evaluate The Pharmacokinetics, Safety, And Tolerability Of Dimebon [PF-01913539] In Japanese And Western Healthy SubjectsCompletedNCT00825084Phase 1
- A Phase 1, Non-Randomized, Open-Label, Single-Dose Study To Evaluate The Pharmacokinetics, Safety, And Tolerability Of Dimebon [PF 01913539] In Subjects With Severely-Impaired And Normal Renal FunctionCompletedNCT00824590Phase 1
- Botulinum A Toxin in Patients With Parkinson's DiseaseStatus unknownNCT00822913Phase 4
- Study of the Effectiveness and Safety of Desloratadine (Aerius) Syrup in Children With Allergic Skin Inflammation (P03475)CompletedNCT00817076Phase 3
- Desloratadine With Oxybutynin for the Treatment of Seasonal Allergic Rhinitis and Post-Nasal Drip (Study P04258)(COMPLETED)CompletedNCT00816972Phase 2
- Investigation of the Efficacy and Safety of Concomitant Administration of Ciclesonide Nasal Spray and Azelastine Nasal Spray in Patients (18 Years or Older) With Perennial Allergic Rhinitis (PAR) Not Adequately Controlled on an Intranasal Corticosteroid or Antihistamine Monotherapy (BY9010/M1-490)CompletedNCT00806754Phase 4
- Study of Nasal Symptom Relief and Side Effects in Hayfever Patients Treated With Aerius (Desloratadine)(P03442)CompletedNCT00805584Phase 4
- Study of the Effectiveness and Safety of Desloratadine (Aerius) Syrup in Children With Hayfever With or Without Asthma (P03472)CompletedNCT00805324Phase 3
- An Open-Label Study of the Effects of Desloratadine (Aerius.) Treatment on the Quality of Life of Patients With Chronic Idiopathic Urticaria (Study P02540)CompletedNCT00795522Phase 4
- How Desloratadine (Clarinex, Aerius) Affects Quality of Life in Patients With Chronic Idiopathic Urticaria (Have Had Hives for 6 Weeks or Longer)(Study P02988)CompletedNCT00795158Phase 3
- Preference for Clarinex Tablets vs. Zyrtec Tablets in Patients With Allergies (P03180)CompletedNCT00794846Phase 4
- Taste Test Between Desloratadine and Cetirizine Syrup in Children (Study P03826)CompletedNCT00794794Phase 3
- Preference for Clarinex Tablets vs Allegra Tablets in Patients With Seasonal Allergies (P03178)CompletedNCT00794768Phase 4
- Preference for Clarinex Tablets vs. Zyrtec Tablets in Patients With Allergies (P03182)CompletedNCT00794599Phase 4
- Preference for Clarinex Tablets vs. Zyrtec Tablets in Patients With Allergies (P03181)CompletedNCT00794495Phase 4
- Taste Test Between Desloratadine and Cetirizine Syrup in Children (Study P03829)(COMPLETED)CompletedNCT00794378Phase 3
- Preference for Clarinex Tablets vs. Allegra Tablets in Patients With Seasonal Allergies (Study P03179)CompletedNCT00794248Phase 4
- The Effect of Desloratadine and Levocetirizine on Nasal Obstruction (Study P03609)CompletedNCT00789152Phase 3
- A Phase 1 Study To Evaluate The Effect Of Dimebon On The Pharmacokinetics Of DextromethorphanCompletedNCT00788047Phase 1
- A Comparison of Aerius Continuous Treatment Versus Aerius PRN for Chronic Idiopathic Urticaria (Study P03147)CompletedNCT00783354Phase 4
- Efficacy and Safety of Desloratadine vs. Fexofenadine 180 mg. vs. Placebo for Treating Seasonal Allergic Rhinitis (SAR)(Study P04053)(COMPLETED)CompletedNCT00783211Phase 4
- Efficacy and Safety of Desloratadine vs. Fexofenadine 180 mg. vs. Placebo for Treating Seasonal Allergic Rhinitis (SAR) (Study P04054)CompletedNCT00783146Phase 4
- Preference for Clarinex Tablets vs. Allegra Tablets in Patients With Seasonal Allergies (Study P03177)CompletedNCT00783133Phase 4
- Effectiveness and Safety of Desloratadine in Patients With Allergic Airway Disease During the Pollen Season (Study P03284)CompletedNCT00779636Phase 4
- Bioequivalence Study of Loratadine Orally Disintegrating Tablets 10 mg Under Fed ConditionsCompletedNCT00776282Not applicable
- Bioequivalence Study on Loratadine Orally Disintegrating Tablets 10 mg Under Fasting ConditionsCompletedNCT00776217Not applicable
- Bioequivalence Study of Cetirizine Hydrochloride 10mg Tablets Under Fasting ConditionsCompletedNCT00776139Not applicable
- Bioequivalence Study of Cetirizine Hydrochloride 10mg Tablets Under Fed ConditionsCompletedNCT00776022Not applicable
- Study to Evaluate Diphenhydramine in Children and AdolescentsCompletedNCT00762749Phase 1
- Safety of Desloratadine in Children With Allergy Sensitivity and Chronic Hives, Who Are Poor Metabolizers of Desloratadine (Study P02994)CompletedNCT00757562Phase 3
- 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)CompletedNCT00751218Phase 4
- 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)TerminatedNCT00751166Phase 4
- Fexofenadine Study On Filipino Children for The Relief of Perennial And Intermittent Allergic RhinitisCompletedNCT00741897Phase 4
- A Phase I Study to Assess the Safety and Tolerability of Topical CRx-197 Formulations in Healthy VolunteersCompletedNCT00721331Phase 1
- Study of Combination Therapy With Dimebon and Donepezil (Aricept) in Patients With Alzheimer's DiseaseTerminatedNCT00704782Phase 2
- To Evaluate Adenosine Monophosphate and Allergen Challenge in Allergic RhinitisCompletedNCT00679250Phase 4
- A Safety and Efficacy Study of Oral Dimebon in Patients With Mild-To-Moderate Alzheimer's DiseaseCompletedNCT00675623Phase 3
- Bioequivalence Between Two Oral Formulations of Diphenhydramine HydrochlorideCompletedNCT00662337Phase 1
- A Comparison of Olopatadine and Fluticasone in Patients With Allergic ConjunctivitisCompletedNCT00655109Phase 4
- Fasting Study of Cetirizine HCl Tablets 10 mg and Zyrtec® Tablets 10 mgCompletedNCT00650065Phase 1
- Food Study of Cetirizine HCl Tablets 10 mg and Zyrtec® 10 mgCompletedNCT00649857Phase 1
- Fasting Study of Fexofenadine Tablets 180 mg and Allegra® Tablets 180 mgCompletedNCT00649376Phase 1
- To Determine if Diphenhydramine Works for Nasal Congestion at Two Different DosesCompletedNCT00648973Phase 4
- Food Study of Fexofenadine Tablets 180 mg and Allegra® Tablets 180 mgCompletedNCT00647985Phase 1
- Efficacy and Safety of Cetirizine Tablets Versus Ketotifen Dry Syrup in Children With Perennial Allergic RhinitisCompletedNCT00639587Phase 3
- Fexofenadine HCl 180 mg, Montelukast Sodium 10 mg and Placebo in Suppression of Wheal and Flare Induced by Seasonal AllergenCompletedNCT00638118Phase 4
- A Single-Center, Randomized, Double-Blind, Placebo-Controlled, Two-Way Crossover Study Designed to Evaluate the Efficacy of Fexofenadine HCl 180 mg for Preventing and Controlling Cat Allergy SymptomsCompletedNCT00637884Phase 4
- Single-Center, Double-Blind, Randomized , Parallel Study Comparing Onset of Action, Efficacy & Safety of a Single-Dose of Fexofenadine HCl 180 mg vs Montelukast Na 10 mg & Placebo in Treating Seasonal Allergic Rhinitis Subjects in an Allergen Exposure UnitCompletedNCT00637611Phase 4
- Fexofenadine HCl 180 mg, Desloratadine 5 mg and Placebo in Suppression of Wheal and Flare Induced by HistamineCompletedNCT00637585Phase 4
- 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 PersonnelCompletedNCT00637455Phase 4
- Fexofenadine (Allegra®) in Healthy Adults Who Have Been Identified as Slow Metabolizers for DesloratadineCompletedNCT00636870Phase 4
- A Phase II Study Evaluating Intranasal GSK256066 and Azelastine Hydrochloride in Subjects With Seasonal Allergic RhinitisCompletedNCT00612118Phase 2
- A Study to Assess and Compare the Effects of 5 mg vs. 20 mg Desloratadine on the Development of Cold Urticaria LesionsCompletedNCT00600847Phase 4
- Effects of 5 mg vs. 20 mg Desloratadine on Skin Lesions in Patients With Chronic Urticaria (CU)CompletedNCT00598611Phase 3
- Efficacy, Safety and PK of Once or Twice Daily Bilastine (10 or 20 mg) Compared With Placebo in the Symptomatic Treatment of SARCompletedNCT00574379Phase 2
- PK/PD and Steady State Efficacy Study of Bilastine Compared With Placebo Given Orally in the Treatment of the Symptoms of SAR in an EEC Model (5-arm)CompletedNCT00574210Phase 2
- Prochlorperazine vs Imitrex for Acute Migraine in the Emergency DepartmentWithdrawnNCT00573599Not applicable
- Human Mass Balance Study With BilastineCompletedNCT00572611Phase 1
- Efficacy of Levocetirizine and Cetirizine in Reducing Symptoms of Seasonal Allergic Rhinitis in Ragweed Sensitive SubjectsCompletedNCT00544388Phase 3
- Efficacy and Safety of Levocetirizine and Fexofenadine in Reducing Symptoms of Seasonal Allergic RhinitisCompletedNCT00542607Phase 4
- Study to Compare the Efficacy and Safety Between Levocetirizine and Loratadine for Chronic Idiopathic UrticariaCompletedNCT00525382Phase 3
- To Evaluate the Efficacy and Safety of Levocetirizine Versus Loratadine for Treatment of Seasonal Allergic RhinitisCompletedNCT00525278Phase 3
- Efficacy and Safety of Levocetirizine Versus Loratadine for the Treatment of Perennial Allergic RhinitisCompletedNCT00524836Phase 3
- Wheal and Flare Reaction During 24 Hours in Allergic Volunteers.CompletedNCT00521170Phase 1
- Evaluation of Efficacy and Safety of Levocetirizine to Subjects With Perennial Allergic Rhinitis to House Dust MitesCompletedNCT00521131Phase 4
- Efficacy and Safety of Levocetirizine 8 Weeks Prior and After the Onset of the Grass Pollen Season in Subjects With SARCompletedNCT00521040Not applicable
- Efficacy and Safety of Levocetirizine for Treatment of Recurrent Cough Associated With Other Allergic Symptoms in ChildrenCompletedNCT00520754Phase 2