| Not Yet Recruiting | RhinAV_Evaluation of Treatments for Acute Viral Rhinitis, Rhinosinusitis, and Rhinopharyngitis NCT07383493 | University Hospital, Clermont-Ferrand | N/A |
| Not Yet Recruiting | Intranasal Capsaicinoid Spray NCT03952845 | Nova Scotia Health Authority | N/A |
| Recruiting | Efficacy and Safety of SLIT in Patients With Rhinitis/RC With/Without Mild-moderate Asthma, Due to Dpt and/or NCT07348302 | Inmunotek S.L. | Phase 3 |
| Not Yet Recruiting | Efficacy of Two Nasal Products Based on Diluted Seawater in the Treatment of Upper Respiratory Infections/Cond NCT06498843 | YSLab | N/A |
| Completed | Virtual Reality Induced Analgesia for Nasal Procedures NCT06812676 | King Faisal Specialist Hospital & Research Center | N/A |
| Completed | Using ChatGPT to Help Guide Treatment for Sinus and Nasal Problems NCT07140250 | Carol Yan | N/A |
| Completed | Dietary Supplement (Beta-Glucans) in Allergic Patients Undergoing Subcutaneous Immunotherapy. NCT06448585 | Gala Servicios Clinicos S.L. | Phase 4 |
| Not Yet Recruiting | Washed Microbiota Transplantation for Rhinitis NCT06350448 | The Second Hospital of Nanjing Medical University | N/A |
| Recruiting | Nasal Packing Duration and Development of Pharyngitis After Septorhinoplasty Surgery NCT06291402 | Al-Azhar University | — |
| Completed | Post Market Clinical Follow-Up Study - Medical Device KalobaNaso NCT05960318 | Schwabe Pharma Italia | — |
| Completed | Safety and Efficacy of DSM 32444 Postbiotic in the Treatment of Acute Rhinosinusitis NCT05999955 | Huro Biotech Joint Stock Company | N/A |
| Completed | Sleep Respiratory Disorders in Patients With Moderate to Severe Persistent Rhinitis NCT04012216 | University Hospital, Montpellier | — |
| Completed | Efficacy of Two Nasal Products for Decongestion and Mucus Fluidification NCT04230993 | YSLab | N/A |
| Completed | A Study of Intranasal Budesonide Aqueous Spray for Treatment of Rhinitis During Periods of High Airborne Pollu NCT04132570 | Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division | Phase 4 |
| Completed | Bioequivalence Study Between Levocetirizine Oral Disintegrating Tablet (ODT) and Levocetirizine Immediate Rele NCT03555890 | GlaxoSmithKline | Phase 1 |
| 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 | Botulinum Toxin Type A Block of the Sphenopalatine Ganglion in Chronic Rhinosinusitis With Nasal Polyposis NCT02784262 | Norwegian University of Science and Technology | Phase 2 |
| Unknown | Corn Occupational Rhinitis SCIT Efficacy Study NCT02949050 | United Allergy Services | N/A |
| Unknown | Dose Finding for the Treatment of Rhinitis/Rhinoconjunctivitis Against Mite Allergy NCT02661854 | Inmunotek S.L. | Phase 2 |
| Completed | A Comparison Between Co-phenylcaine Nasal Spray and Nasal Nebulization Prior to Rigid Nasoendoscopic Examinati NCT03380715 | University of Malaya | N/A |
| Withdrawn | Efficacy and Safety of Grass-SPIRE Registration Study NCT02795273 | Circassia Limited | Phase 2 / Phase 3 |
| Terminated | Interventional Testing of Gene-environment Interactions Via the Verifomics Mobile Application NCT02758990 | Verifomics LLC | N/A |
| Completed | Cleanoze® Irrigation Device With Powder Preparation Versus Conventional Irrigation Method for Chronic Rhinitis NCT02763241 | Khon Kaen University | Phase 3 |
| Completed | Dose Finding for the Treatment of Rhinitis/Rhinoconjunctivitis Against Grass Pollen Allergy NCT02654223 | Inmunotek S.L. | Phase 2 |
| Completed | A Study Investigating the Immunologic Effects and Safety of 60-day Treatment of the ALK HDM Tablets in Adult S NCT02596321 | Abbott | Phase 3 |
| Terminated | Topical Irrigation Therapy for CRS NCT02630472 | University of Pennsylvania | Phase 1 / Phase 2 |
| Completed | The Efficacy and Safety of Hyeonggaeyeongyo-tang for Chronic Rhinitis According to Pattern Identification in K NCT02477293 | Kyung Hee University Hospital at Gangdong | Phase 4 |
| Completed | Birch-SPIRE Safety and Efficacy Study NCT02478060 | Circassia Limited | Phase 2 |
| Completed | ClariFix Cryoablation Clinical Study NCT02820597 | Arrinex, Inc. | N/A |
| Completed | Airway Inflammatory Profile Among Cleaning Workers From Different Workplaces NCT03311048 | University of Sao Paulo | N/A |
| Unknown | The Relationship Between Gastroesophageal Reflux and Pediatric Rhinitis: Significance of Pale/Blue Colored Tur NCT02278081 | McGill University Health Centre/Research Institute of the McGill University Health Centre | Phase 4 |
| Completed | Korean Linguistic Adaptation of Rhinitis Controlled Assessment Test NCT02279706 | Ajou University School of Medicine | — |
| Completed | Airway Inflammation and Bronchial Hyperresponsiveness in Rhinitic Children With or Without Asthma NCT02360072 | Guangzhou Institute of Respiratory Disease | — |
| Completed | Safety, Tolerability and Efficacy of the Depigmented Modified Allergen Extract of Two Mites in Subjects With A NCT02340130 | Laboratorios Leti, S.L. | Phase 2 |
| Completed | Efficacy and Safety of Combination of Brompheniramine and Phenylephrine for the Symptoms Relief of Rhinitis NCT01393548 | Ache Laboratorios Farmaceuticos S.A. | Phase 3 |
| Completed | Efficacy and Safety of Combination of Brompheniramine and Phenylephrine for the Symptoms Relief of Rhinitis NCT01393561 | Ache Laboratorios Farmaceuticos S.A. | Phase 3 |
| Completed | Rhinitis in the Elderly: The Role of Vitamin D NCT02272101 | Rohr and Columbo Asthma, Allergy and Immunology Specialists, P.C. | Phase 3 |
| Completed | Treatment With Rhinospray Plus in Patients With Acute Rhinitis in the Everyday Curative Routine in Hungary NCT01971086 | Boehringer Ingelheim | — |
| Completed | The Safety and Efficacy of Intralymphatic Immunotherapy in Pollen Allergic Adolescents and Young Adults With A NCT03394508 | Karolinska Institutet | Phase 2 / Phase 3 |
| Completed | Evaluating the Need for New Rhinitis Treatment NCT01875276 | Research in Real-Life Ltd | — |
| Completed | Safety Clinical Trial With Depigopid 50% Grasses/50% Olea Europaea(2000DPP/ml) or Depigoid 50% Grasses/50% Par NCT01734265 | Laboratorios Leti, S.L. | Phase 2 |
| Completed | Control and Burden of Asthma and Rhinitis NCT01771120 | Universidade do Porto | — |
| Completed | Study to Evaluate the Pharmacokinetics and Safety of Singulair and Xyzal in Free Combination and Fixed-dose Co NCT01651481 | Hanmi Pharmaceutical Company Limited | Phase 1 |
| Completed | Study FFR116365, an Open-label Study of GW685698X in Paediatric Subjects With Perennial Allergic Rhinitis NCT01622231 | GlaxoSmithKline | Phase 3 |
| Completed | Safety Study of Levocetirizine Oral Solution for Japanese Pediatrics NCT01563081 | GlaxoSmithKline | Phase 3 |
| Unknown | The Clinical Efficacy of Topical Nasal Pomegranate Fruit Extract for Patients With Chronic Rhinosinusitis NCT01564849 | Hillel Yaffe Medical Center | — |
| Completed | Mechanisms of Capsaicin Treatment in Idiopathic Rhinitis Patients and Controls NCT01862523 | Universitaire Ziekenhuizen KU Leuven | Phase 4 |
| Completed | Preventing Respiratory Health Problems in Bakery Employees NCT01602237 | Haukeland University Hospital | — |
| Withdrawn | Evaluation of Efficacy and Safety in Control Cough and the Relief of Nasal Symptoms in Children 2-12 Years Old NCT01177852 | Ache Laboratorios Farmaceuticos S.A. | Phase 3 |
| Completed | A Study of Onset of Action of Loratadine and Fexofenadine in Participants With Seasonal Allergic Rhinitis (P08 NCT01469234 | Bayer | Phase 4 |
| Completed | Asthma Phenotypes in the Inner City NCT01383941 | National Institute of Allergy and Infectious Diseases (NIAID) | — |
| Completed | Intranasal SB-705498 in Allergic Rhinitis (AR) Patients NCT01424397 | GlaxoSmithKline | Phase 2 |
| Completed | A Study to Investigate the Effect of SB-705498 on Chronic Cough NCT01476098 | GlaxoSmithKline | Phase 2 |
| Completed | Effects of Phenylephrine on Nasal Congestion in Participants With Seasonal Allergic Rhinitis (P08156 AM2)(Comp NCT01330017 | Bayer | Phase 2 |
| Unknown | A Study of Luffa Operculate Nasal Solution 5mg/mL Compared With Saline (NaCl 09%) for the Relief of Nasal Obst NCT01248325 | Zurita Laboratorio Farmaceutico Ltda. | Phase 3 |
| Completed | Special Drug Use Investigation for ALLERMIST (Long Term) NCT01420822 | GlaxoSmithKline | — |
| Completed | SB705498 Proof of Concept Chamber Challenge in Subjects With Non Allergic Rhinitis NCT01424514 | GlaxoSmithKline | Phase 2 |
| Completed | Study of Asthma and Nasal Steroids NCT01118312 | JHSPH Center for Clinical Trials | Phase 4 |
| Unknown | Prevalence of Asthma and Rhinitis Symptoms Among Secondary School Students in Saudi Arabia NCT01085916 | King Abdulaziz Medical City | — |
| Completed | Effect Of Probiotic Lactobacillus Paracasei Lp-33 For The Management Of Rhinitis In People Sensitized To Aller NCT01096615 | Merck Medication Familiale | Phase 3 |
| Completed | Evaluation Effects of Nasal Nitric Oxide Measurements Are Associated With Atopy Status in Chronic Nasal Inflam NCT01295866 | Beijing Tongren Hospital | — |
| Completed | Drug Use Investigation for ALLERMIST NCT01376206 | GlaxoSmithKline | — |
| Completed | Intranasal SB-705498 in Non-allergic Rhinitis Patients NCT01439308 | GlaxoSmithKline | Phase 2 |
| Completed | Management of Allergic Rhinitis Patients With Nasal Steroids and NeilMed® Sinus Rinse™ System With Isotonic Sa NCT01030146 | Medical University of South Carolina | N/A |
| Completed | Safety Study of Ragweed Allergy Immunotherapy Tablet in Subjects 50 Years of Age and Older (Study P06081) NCT00978029 | ALK-Abelló A/S | Phase 2 |
| Unknown | Evaluation of Different Disease Control Indices in Children With Asthma and Rhinitis NCT00952835 | Universita di Verona | — |
| Terminated | The Effect of Levocetirizine on Inflammatory Mediators in Dermatographism NCT01008592 | Wake Forest University | — |
| Suspended | Validation of the Rhinitis Control Scoring System (RCSS) NCT00967967 | Laval University | N/A |
| Completed | Study on Pharmacodynamic Parameter and Tolerability With Subcutaneous Immunotherapy in Grass Pollen Allergic P NCT00857779 | ALK-Abelló A/S | Phase 2 |
| Completed | Screening Scottish Swimmers for Asthma and Rhinitis NCT00831428 | Brian J Lipworth | — |
| Completed | Intranasal SB-705498 in Healthy Volunteers NCT00907933 | GlaxoSmithKline | Phase 1 |
| Completed | Phenylephrine Pediatric Pharmacokinetic Study NCT00762567 | Johnson & Johnson Consumer and Personal Products Worldwide | Phase 1 |
| Completed | A Study To Assess The Effect Of SB-705498 In A Capsaicin Challenge Model NCT00731250 | GlaxoSmithKline | Phase 1 |
| Completed | Efficacy and Safety From a High-dosed Sublingual Grass Pollen Preparation NCT00623701 | Allergopharma GmbH & Co. KG | Phase 3 |
| Completed | Safety of Aerius Syrup in Pediatric Patients Aged 1-5 Years Old With Allergic Rhinitis or Chronic Idiopathic U NCT00723736 | Organon and Co | — |
| Completed | Efficacy and Safety of Grass Sublingual Tablet in Adults (P05238 AM3)(COMPLETED) NCT00562159 | ALK-Abelló A/S | Phase 3 |
| Completed | Efficacy and Safety of Grass Sublingual Tablet in Children and Adolescents (P05239 AM3)(COMPLETED) NCT00550550 | ALK-Abelló A/S | Phase 3 |
| Completed | A Long-Term Examination of Asthma From Childhood Through Adolescence NCT00541255 | Isle of Wight NHS Trust | — |
| Completed | Study to Compare the Effect of a Combination of Cetirizine With Pseudoephedrine Versus Placebo on Symptoms in NCT00474890 | Fraunhofer-Institute of Toxicology and Experimental Medicine | N/A |
| Completed | The Effect of Pseudoephedrine on Rhinitis and Sleep NCT00704496 | Milton S. Hershey Medical Center | Phase 3 |
| Completed | Oral Bacteria and Allergic Disease in Children NCT00438646 | National Institute of Environmental Health Sciences (NIEHS) | — |
| Unknown | Singulair Use in Non-Allergic Rhinitis Eosinophil Syndrome (NARES) NCT00406094 | Bernstein, Jonathan A., M.D. | Phase 4 |
| Completed | Non-Rhinologic Etiologies of Headaches and Facial Pain in Tertiary Care Setting NCT00355160 | Penn State University | — |
| Terminated | Efficacy and Safety Study of Nasacort in Chronic Non Allergic and Non Infectious Rhinitis in Adults NCT00344942 | Sanofi | Phase 3 |
| Terminated | Effect of an Immunotoxin on Activated Human Macrophages in Those With Allergic Rhinitis or Mild Intermittent A NCT00295737 | Fraunhofer-Institute of Toxicology and Experimental Medicine | N/A |
| Completed | A Study to Compare the Efficacy of Levocetirizine to Placebo in Reducing Symptoms of Seasonal Allergic Rhiniti NCT00291642 | UCB Pharma | Phase 2 |
| Terminated | Treatment of Rhinitis With Intranasal Vitamin E NCT00281307 | Milton S. Hershey Medical Center | N/A |
| Completed | Evaluation of Desloratadine When Used in Patients With Either Allergic Rhinitis or Chronic Idiopathic Urticari NCT00724698 | Organon and Co | — |
| Completed | Development and Validity of the DyNaChron Questionnaire for Chronic Nasal Dysfunction NCT02879929 | Central Hospital, Nancy, France | — |
| Completed | Short Term Relief of Eustachian Tube Dysfunction and Serous Otitis Media Using Intranasal Steroid Sprays NCT00279916 | Mayo Clinic | Phase 3 |
| Completed | Response of Desloratadine Syrup in the Relief of Symptoms Associated With Perennial Allergic Rhinitis in Pedia NCT00704769 | Organon and Co | — |
| Completed | Primary Prevention of Atopic Disease by Perinatal Administration of Probiotics NCT00200954 | The Netherlands Asthma Foundation | N/A |
| Completed | Nasal Decongestion and Obstructive Sleep Apnea NCT00630474 | University of Zurich | Phase 4 |
| Completed | Efficacy and Safety of Levocetirizine Versus Loratadine for the Treatment of Perennial Allergic Rhinitis NCT00524836 | UCB Pharma | Phase 3 |
| Completed | Efficacy & Safety of Loratadine-Betamethasone Oral Solution for Treatment of Severe Perennial Allergic Rhiniti NCT00963573 | Merck Sharp & Dohme LLC | Phase 4 |
| Completed | To Evaluate the Efficacy and Safety of Levocetirizine Versus Loratadine for Treatment of Seasonal Allergic Rhi NCT00525278 | UCB Pharma | Phase 3 |
| Completed | Omalizumab (Xolair) and Allergy Shots For the Treatment of Seasonal Allergies NCT00078195 | National Institute of Allergy and Infectious Diseases (NIAID) | Phase 2 |
| Terminated | Kansas City Community Environmental Remediation And Training (KC CERT) NCT00144443 | Children's Mercy Hospital Kansas City | N/A |
| Completed | Evaluation of Efficacy and Safety of Levocetirizine to Subjects With Perennial Allergic Rhinitis to House Dust NCT00521131 | UCB Pharma | Phase 4 |
| Completed | Oral Allergy Syndrome (OAS): a Pilot Study to Evaluate a Clinical Questionnaire as a Diagnostic Tool NCT00427479 | Royal Brompton & Harefield NHS Foundation Trust | — |
| Completed | Effectiveness of Individualized Homeopathic Treatment in Perennial Allergic Rhinitis NCT00822406 | University of Sao Paulo | Phase 4 |
| Completed | Asthma, a Disease Due to a Lack of Bacterial Infections in Childhood. NCT00200928 | The Netherlands Asthma Foundation | N/A |