| Completed | Development and Validation of the Air Quality Awareness Scale (AQAS) for Parents NCT07283250 | Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization | — |
| Completed | Study to Assess Safety and Efficacy of Fexofenadine Hydrochloride (HCL) + Pseudoephedrine HCL Fixed Dose Combi NCT05720455 | Sanofi | Phase 4 |
| Completed | Retrospective Study Evaluating the Effectiveness and Safety of Immunotherapy With Clustoid Max Forte NCT07427576 | Inmunotek S.L. | — |
| Recruiting | Validation of the Efficacy of Air Purifiers in Indoor Environment and Allergic Symptoms in Allergic Rhinitis P NCT06890572 | Yonsei University | N/A |
| Completed | Evaluation of Nasal Biomarkers for Objective Assessment of Disease Severity in Respiratory Disorders NCT06661252 | Diag-Nose Medical Pty Ltd | — |
| Not Yet Recruiting | Microbial Study of Sublingual Immunotherapy Tablets in Patients With Allergic Rhinitis NCT06741800 | The First Affiliated Hospital with Nanjing Medical University | — |
| Completed | Thread Embedding Acupuncture For Rhinitis Allergy NCT06858137 | University of Medicine and Pharmacy at Ho Chi Minh City | N/A |
| Not Yet Recruiting | Microbial Study of Sublingual Immunotherapy Spray in Patients With Allergic Rhinitis NCT06741787 | The First Affiliated Hospital with Nanjing Medical University | — |
| Not Yet Recruiting | Allergy, Asthma, and Atopic Eczema in Finland NCT06330974 | Tampere University | — |
| Recruiting | The Impact of Airway Allergic Diseases on Children's and Parents' Quality of Life NCT06535087 | Wenjing Zhou | — |
| Not Yet Recruiting | Washed Microbiota Transplantation for Allergic Rhinitis NCT06372184 | The Second Hospital of Nanjing Medical University | N/A |
| Recruiting | Study on the Mechanism of ZhenQiFuZheng in the Treatment of Allergic Rhinitis Based on Intestinal Flora and Me NCT06427577 | The First Affiliated Hospital with Nanjing Medical University | N/A |
| Recruiting | Efficacy and Safety of Ganciclovir Capsules in the Treatment of Refractory Moderate-to-severe Allergic Rhiniti NCT06436534 | Union Hospital, Tongji Medical College, Huazhong University of Science and Technology | N/A |
| Completed | Allergic Rhinitis With/Without Asthma: Pre- and Post-Qipian Analysis NCT06573164 | Second Affiliated Hospital, School of Medicine, Zhejiang University | — |
| Unknown | Effect of Vitamin C on Allergy Skin Test NCT05810233 | National University of Malaysia | N/A |
| Recruiting | Biomarker Screening for Immunotherapy Response Evaluation Using Microneedle Patch in Patients with Allergic Rh NCT05922176 | Yonsei University | — |
| Unknown | Mechanism of EGR2 in Allergic Rhinitis NCT05724290 | Zu-xia Ma | Phase 1 |
| Completed | The ARHINASD (Allergic Rhinitis in Pediatric Subjects With Nasal Septum Deviation) Project NCT06139185 | Federico II University | — |
| Unknown | Monitoring Allergen Immunotherapy in Allergic Rhinitis NCT05621356 | Rijnstate Hospital | — |
| Completed | Toxicity of Micro and Nano Plastics Combined With Environmental Contaminants on the Risk of Allergic Disease NCT05177744 | Children's Hospital Srebrnjak | — |
| Recruiting | Molecular Allergen Component Resolved Diagnosis to Decide Immunotherapy NCT05448066 | Universidade do Porto | N/A |
| Unknown | Ability of a Cat Food to Reduce Respiratory Symptoms in Cat Allergic Patients NCT05656482 | MASK-air SAS | — |
| Enrolling By Invitation | Comparative Evaluation of Safety and Immune Activity of New Immunotherapeutic Agents for HDM Allergic Rhinitis NCT05525650 | RAPHAS | Phase 1 |
| Completed | Efficacy and Safety of AM-301 on Allergic Symptoms of Perennial Allergic Rhinitis Sufferers NCT05122143 | Altamira Medica Ltd. | N/A |
| Recruiting | Efficacy and Safety Evaluation for the Treatment of Allergy Against Grass and Olive Pollen NCT04891237 | Inmunotek S.L. | Phase 3 |
| Recruiting | Efficacy and Safety Evaluation of the Treatment of Allergy Against Cupressaceae and Grasses. NCT04898283 | Inmunotek S.L. | Phase 3 |
| Completed | A Study to Learn What Participants Think of Treatment With Betamethasone Plus Loratadine to Treat Their Acute NCT04645979 | Bayer | — |
| Completed | Nasal Irrigation With Chinese Herbal Medicine as an Adjunctive Treatment in Allergic Rhinitis NCT05901532 | Taichung Veterans General Hospital | Phase 2 |
| Recruiting | Efficacy and Safety Evaluation for the Treatment of Allergy Against Mites NCT04435990 | Inmunotek S.L. | Phase 3 |
| Completed | Influence of Specific Immunotherapy With Pollinex Quattro (Tree-/Grass Pollen) on Allergen-specific Immunoglob NCT04389034 | Allergy Therapeutics | — |
| Unknown | Study on the Correlation Between Intestinal Microecology and Allergic Diseases in Children NCT04938700 | Second Affiliated Hospital, School of Medicine, Zhejiang University | Phase 4 |
| Unknown | Mobile Phone Daily Alarm To Improve Compliance Of Intranasal Corticosteroid Among Allergic Rhinitis Patients. NCT05286944 | National University of Malaysia | N/A |
| Completed | Mometasone Furoate Nasal Spray in Italian Children NCT05301647 | University of Campania Luigi Vanvitelli | — |
| Completed | HAL-MRE1 Subcutaneous Immunotherapy in Ragweed Allergic Patients First-in-human NCT03758456 | HAL Allergy | Phase 1 |
| Completed | Study to Evaluate the Efficacy and Safety of "Allergovac Poliplus" in Polysensitized Patients With Allergic Rh NCT03821077 | Roxall Medicina España S.A | — |
| Completed | A Study to Evaluate Changes in Nasal Airflow of Loratadine/Pseudoephedrine Tablet and Fluticasone Propionate N NCT03443843 | Bayer | Phase 4 |
| Completed | Short and Mid-term Repeatability of Active Anterior Rhinomanometry (AAR) Measurements in Paediatric Age NCT03286049 | Istituto per la Ricerca e l'Innovazione Biomedica | — |
| Completed | Food-specific IgG4-guided Elimination Diets Improve Allergy Symptoms in Children NCT06063044 | Second Affiliated Hospital, School of Medicine, Zhejiang University | — |
| Unknown | The Efficacy and Safety of Cettum for Perennial Allergic Rhinitis NCT03342105 | Eun Jung Kim | N/A |
| Completed | Evaluation of Subcutaneous Immunotherapy Towards Pollen in Children NCT03375775 | Karolinska Institutet | N/A |
| Terminated | Effects of Intranasal Fluticasone Plus Azelastine on Airway Inflammation in Patients With Asthma & Allergic Rh NCT02953106 | University of Dundee | Phase 4 |
| Completed | A Study to Assess Efficacy and Safety of Nasacort® Nasal Spray in Comparison With Flixonase® Nasal Spray in Ad NCT03317015 | Sanofi | Phase 3 |
| Completed | Effects of Broccoli Sprout Extract on Allergy Rhinitis NCT02885025 | VA Office of Research and Development | Phase 2 |
| Completed | Animal Allergy in Korean Veterinary Researcher NCT02866864 | Gachon University Gil Medical Center | — |
| Terminated | Exploratory Study for Allergy Relief Onset NCT02722083 | Bayer | Phase 2 |
| Terminated | Interventional Testing of Gene-environment Interactions Via the Verifomics Mobile Application NCT02758990 | Verifomics LLC | N/A |
| Completed | Study of Efficacy and Safety of Ginger Extract Compared With Loratadine for Treatment of Allergic Rhinitis NCT02576808 | Thai Traditional Medical Knowledge Fund | Phase 2 |
| Completed | A Study to Compare the Efficacy and Safety of Fluticasone Furoate Nasal Sprays (FFNS) 55 Microgram (mcg) and 1 NCT02424539 | GlaxoSmithKline | Phase 4 |
| Completed | Intralymphatic Immunotherapy in Increasing Doses, After Subcutaneous Immunotherapy NCT02679105 | Karolinska Institutet | Phase 2 / Phase 3 |
| Completed | A Study Assessing the Safety and Effectiveness of FEX60/PE10 Fixed Combination Tablet in Patients With Allergi NCT02401191 | Sanofi | Phase 3 |
| Active Not Recruiting | Preventing Atopic Dermatitis and ALLergies in Children NCT02449850 | Oslo University Hospital | N/A |
| Completed | Evaluation of Efficacy of Dellegra in Exposure Unit NCT02175485 | Sanofi | Phase 4 |
| Completed | A Study of SCH 697243 in Participants With Grass Pollen Allergy Symptoms, With or Without Asthma (P08067) NCT01385371 | ALK-Abelló A/S | Phase 3 |
| Completed | Validation of Proteomic Analyses for Allergic Asthma and Rhinitis NCT01104012 | Centre Hospitalier Universitaire de Nīmes | — |
| Completed | The Oligonucleotide Chip Analysis for Allergic Rhinitis Treatment in Herbal Plaster and Acupuncture NCT02486159 | Chang Gung Memorial Hospital | N/A |
| Completed | Efficacy and Long-Term Safety of Ragweed (Ambrosia Artemisiifolia) Sublingual Tablet (SCH 39641) in Adults Wit NCT00770315 | ALK-Abelló A/S | Phase 2 / Phase 3 |
| Completed | Quality of Life in Asthma and Rhinitis Allergic With Singulair (0476-365) NCT00380705 | Organon and Co | Phase 4 |
| Completed | MK0476 Study in Adult Patients With Perennial Allergic Rhinitis (0476-397)(COMPLETED) NCT00771160 | Organon and Co | Phase 3 |
| Completed | MK0476 Study in Adult Patients With Allergic Rhinitis (0476-378) NCT00446186 | Organon and Co | Phase 2 |
| Completed | Assessment of Intranasal Steroids in Allergic Rhinitis When Used Alone or in Combination With an Oral Antihist NCT00834119 | Organon and Co | Phase 4 |
| Completed | Safety and Efficacy of Mometasone Furoate Nasal Spray With the Addition of Loratadine Versus Placebo in Partic NCT03855228 | Organon and Co | Phase 3 |