| Withdrawn | Preventing Childhood Asthma Using Prophylactic House Dust Mite Allergen Immunotherapy NCT05113394 | Boston Children's Hospital | Phase 2 |
| Not Yet Recruiting | Study of Oral Food Challenge Biomarkers (SAFER) NCT07279467 | National Institute of Allergy and Infectious Diseases (NIAID) | — |
| Not Yet Recruiting | LYmph Node eXamination in Cat Allergen Immunotherapy NCT07447869 | National Institute of Allergy and Infectious Diseases (NIAID) | EARLY_Phase 1 |
| Recruiting | Study of Indoor Air Pollutants and Their Impact in Children's Health and Wellbeing NCT07402200 | University Hospital, Montpellier | N/A |
| Recruiting | Jack Jumper Ant Venom Immunotherapy Long-term Effectiveness Investigation NCT06935890 | Murdoch Childrens Research Institute | Phase 4 |
| Completed | Head-to-Head Comparison Study Between Different FDA Registered Allergy Skin Test Applicators NCT07400718 | QHSLab, Inc. | N/A |
| Completed | The Nonirritating Concentrations of Midazolam, Ketamine, and Ondansetron NCT07103720 | Mayo Clinic | Phase 4 |
| Enrolling By Invitation | Comparative PK/PD of FMXIN002 and EpiPen, in Healthy Adults With Allergic Rhinitis NCT07228325 | Nasus Pharma | Phase 1 / Phase 2 |
| Terminated | Allergic Rhinitis Improvement Through Strategic Education: The ARISE Trial NCT06686446 | Murdoch Childrens Research Institute | N/A |
| Recruiting | Safety Study of Viaskin® Peanut Patch in Peanut-Allergic Children 1 Through 3 Years of Age (COMFORT Toddlers) NCT07003919 | DBV Technologies | Phase 3 |
| Not Yet Recruiting | Direct Oral Challenges in Private Practice Setting to Delabeling Children With Beta-lactam Allergy NCT07002814 | Assistance Publique - Hôpitaux de Paris | — |
| Not Yet Recruiting | Relative Bioavailability Study to Evaluate Cetirizine HCl Gummy 10 mg and Cetirizine HCl Oral Tablets 10 mg NCT04071821 | Seattle Gummy Company | Phase 1 |
| Recruiting | Impaired Type I IFN Immunity Due to Autoantibodies or a Genetic Defect: a Prospective National Cohort NCT06762002 | Institut National de la Santé Et de la Recherche Médicale, France | — |
| Recruiting | Study to Assess the Safety and Effectiveness of Beltaven® in Patients With Allergy to Apis Mellifera, Polistes NCT07309822 | Probelte Pharma S.L.U. | — |
| Active Not Recruiting | Study of Indoor Air Pollutants and Their Impact in Childhood Health and Wellbeing NCT05997784 | University Hospital, Montpellier | — |
| Completed | Effect of Virtual Reality and Serious Games on Pain, Fear, Anxiety, and Satisfaction During Skin Prick Testing NCT06993259 | Trakya University | N/A |
| Recruiting | VItamin D in pregnanCy for prevenTion Of eaRlY Childhood Asthma NCT06570889 | Professor Klaus Bønnelykke | Phase 3 |
| Recruiting | Fish Oil in pREgnancY for Personalized Prevention of Early Childhood Asthma NCT06560255 | Professor Klaus Bønnelykke | Phase 3 |
| Recruiting | LaCE (Lactobacillus Paracasei LPB27 On Early Childhood Eczema) NCT06584552 | The University of New South Wales | Phase 2 |
| Not Yet Recruiting | Allergy, Asthma, and Atopic Eczema in Finland NCT06330974 | Tampere University | — |
| Not Yet Recruiting | Effect of Virtual Reality Headsets on Fear Anxiety and Physiological Parameter in Skin Prick Test NCT06401408 | TC Erciyes University | — |
| Recruiting | Nationwide Research on the Rewilding of Kindergarten Yards NCT06390878 | Natural Resources Institute Finland | N/A |
| Completed | The Effect of Virtual Reality (VR) on Skin Prick Test Related Pain and Fear in Children NCT06421779 | Aydin Adnan Menderes University | N/A |
| Completed | Hypoallergenicity of a New Formula in Subjects With Cow's Milk Allergy NCT06134466 | Federico II University | N/A |
| Completed | Acceptability and Palatability Study of Paediatric Amino Acid Feed NCT06547346 | Société des Produits Nestlé (SPN) | N/A |
| Unknown | Allergy Diagnostic Test Based on Microchip Technology NCT06167564 | Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus | N/A |
| Completed | Virtual Reality During Skin Prick Test NCT06952192 | Federico II University | N/A |
| Recruiting | SYSTEMS-LEVEL ANALYSES OF IMMUNE DYSREGULATION NCT06248957 | Karolinska Institutet | — |
| Unknown | Effect of Vitamin C on Allergy Skin Test NCT05810233 | National University of Malaysia | N/A |
| Enrolling By Invitation | Validation of Turkish Versions Child- and Parent-Rated Scales of Food Allergy Anxiety NCT07019389 | Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization | — |
| Completed | Development and Evaluation of an Artificial Intelligence Model for the Diagnosis of Aeroallergies NCT05918354 | Hippocreates | — |
| Completed | NiPPeR Randomised Trial - Child Follow Up Study NCT05934422 | University of Southampton | N/A |
| Unknown | Study if the Presence of Functional FcERI/RII on the Surface of Human Blood Platelet NCT05848986 | University Hospital, Strasbourg, France | — |
| Recruiting | A Follow-up Study With Children Who Participated in the TEMPO Study in Their First Year of Life NCT05449756 | Nutricia Research | — |
| Recruiting | Non-specific Effects of a Modified Measles Vaccination Schedule to Prevent Allergy and Unrelated Infection in NCT05758532 | Laure Pittet, MD-PhD | Phase 4 |
| Completed | Kenota 1 CWS Method Comparison Validation Study NCT05702671 | Kenota Inc. | — |
| Completed | The Effects of Virtual Reality and Music on Pain, Anxiety, Itching, and Vital Signs NCT06479967 | Uludag University | N/A |
| Completed | The Prolonged Effect of Consumption of a Partially Hydrolyzed Infant Formula During the First 6 Months of Life NCT05418491 | FrieslandCampina | — |
| Unknown | Comparative Real World Effectiveness of SQ Sublingual Immunotherapy (SLIT)-Tablets vs. Controls in Allergic Rh NCT05476484 | ALK-Abelló A/S | — |
| Recruiting | EPAP, Interviewstudy NCT06192914 | Charite University, Berlin, Germany | — |
| Completed | Symbiofilm Trial in Allergic Kids (SYMBIOFILM-TAK) NCT05034328 | Lallemand Pharma AG | — |
| Recruiting | Contribution of Nasal IgE Production to the Boost of Systemic Allergen-specific IgE Upon Nasal Allergen Contac NCT05042830 | Medical University of Vienna | N/A |
| Enrolling By Invitation | The Alberta BLOOM Premature Child Study NCT05011071 | University of Calgary | — |
| Unknown | Mold Allergy in Austria: Clinical Relevance of Alternaria Alternata and Related Species NCT05101733 | Medical University of Vienna | — |
| Unknown | Epidemiology and Management of Pediatric Anaphylaxis and Allergy in the Pediatric Emergency Department of Mont NCT05112367 | University Hospital, Montpellier | — |
| Withdrawn | Breastmilk Composition and Microbial Profile in the Growth and Development of Healthy Term-born Infants NCT06970535 | The Hospital for Sick Children | — |
| Unknown | Educational Intervention for Asthmatic and Allergic Patients NCT04928638 | Universidad de Granada | N/A |
| Completed | Advanced Multimodal Wireless Vital Signs Monitoring for Patients With Asthma and Anaphylaxis NCT04360213 | Northwestern University | — |
| Recruiting | Hemp Seed Awareness NCT04841954 | University Hospital, Angers | N/A |
| Completed | The COVID-19 Pandemic Process Increase Latex Glove Use and Latex Allergy Complaints in Hospital Nurses? Survey NCT05515276 | Kilis 7 Aralik University | — |
| Unknown | Individualized Diagnosis and Treatment of Extraesophageal Reflux in Patients With Chronic Cough NCT04984304 | University Hospital Ostrava | N/A |
| Completed | Toleriane Ultra Reno in Allergic Subjects With Skin Intolerance to Their Usual Cosmetic NCT05487937 | Cosmetique Active International | — |
| Completed | Comparative Study of Skin Prick Allergy Test Measurements Between Current Manual Procedure and Nexkin DSPT Dev NCT05284565 | INNOPRICK SL | N/A |
| Completed | A Study in Adults With Grass Pollen-induced Rhinoconjunctivitis NCT04881461 | ALK-Abelló A/S | Phase 3 |
| Completed | A Study in Children and Adolescents With Birch Pollen-induced Rhinoconjunctivitis NCT04878354 | ALK-Abelló A/S | Phase 3 |
| Completed | The Immunological Profile of Nickel Dermatitis NCT04438330 | National Allergy Research Center, Denmark | N/A |
| Completed | Cognitive Behaviour Therapy for Adults With Allergy. NCT04763889 | University of Surrey | N/A |
| Completed | Threshold Dose Distribution for Pistachio Allergy NCT06589232 | Central Hospital, Nancy, France | — |
| Unknown | GeoHealth: Geographic Information System for Health Management and Clinical, Epidemiological and Translational NCT05637411 | Hospital Universitario Virgen Macarena | — |
| Withdrawn | abioSCOPE IgE Assay to Aid in the Diagnosis of Allergies NCT04442932 | Abionic SA | — |
| Withdrawn | Analytical Validation of the abioSCOPE Device With an IgE Test Panel: Point-of-Care Precision, Sample Type Com NCT04401631 | Abionic SA | — |
| Completed | Safety and Efficacy of Intracanalicular Dexamethasone Compared to Loteprednol Etabonate in Patients With Kerat NCT04418999 | Illinois College of Optometry | EARLY_Phase 1 |
| Unknown | Skin Barrier Assessment in Pregnancy and at Birth NCT04445298 | National Jewish Health | — |
| Unknown | Tromsø Birch Rust Allergy Study. Allergy to Birch Rust, a Possible Explanation to Seasonal Airway Allergy Duri NCT04322838 | University Hospital of North Norway | — |
| Completed | Influence of Specific Immunotherapy With Pollinex Quattro (Tree-/Grass Pollen) on Allergen-specific Immunoglob NCT04389034 | Allergy Therapeutics | — |
| Active Not Recruiting | Childhood Allergy and the Neonatal Environment NCT04215783 | University of Wisconsin, Madison | — |
| Unknown | Pain Sensitivity Evaluation in Respiratory Patients NCT04297098 | Universidad de Granada | — |
| Completed | Efficacy and Saffety of Oral Immunotherapy to Pistachio NCT05698030 | Central Hospital, Nancy, France | — |
| Completed | Neuromuscular Blocking Agents Utilized During Perioperative Hypersensitivity Evaluation NCT04046731 | Mayo Clinic | N/A |
| Completed | Negative Predictive Value and NIC of Beta-Lactam Antibiotics. NCT04126096 | Mayo Clinic | N/A |
| Completed | Impact of AIT on Allergic Rhinitis and Asthma NCT04125888 | ALK-Abelló A/S | — |
| Completed | Evaluation of Pain Alleviating Strategies During Allergy Shots NCT04181632 | Nemours Children's Clinic | N/A |
| Unknown | Acute Bronchiolitis in Infants and Allergic Asthma NCT03915197 | University Hospital, Clermont-Ferrand | N/A |
| Unknown | Biodiversity Intervention and Atopic Sensitization NCT03872219 | University of Helsinki | N/A |
| Completed | Ectoin Lozenges (EHT02) in the Treatment of Oropharyngeal Allergic Symptoms NCT03975257 | Bitop AG | N/A |
| Completed | Siderophore-profile in Allergic and Non-allergic Subjects NCT03815981 | Medical University of Vienna | — |
| Completed | Cetirizine Chewable Bioequivalence and Food Effect Study NCT03772158 | Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division | Phase 1 |
| Completed | Systemic Nickel Allergy Syndrome: Intervention Study for the Assessment of the Dietary Indications NCT04432896 | University of Pavia | N/A |
| Unknown | Effects of Vaginal Seeding on Infants' Body Mass Index and Allergy Risk for Caesarean-delivered Children NCT03809390 | Peking University | N/A |
| Completed | Early Origins of Allergy and Asthma NCT04186949 | Pontificia Universidad Catolica de Chile | — |
| Completed | Hypersensitivity Reactions During Anesthesia NCT04125420 | Mayo Clinic | — |
| Completed | NeoMatriX Wound Matrix Collagen Dressing Skin Prick Test NCT03522675 | NeXtGen Biologics, Inc. | N/A |
| Unknown | Effects of the Direct Interaction Between Streptococcus Salivarius 24SMBc and Streptococcus Oralis 89a and the NCT03449836 | Federico II University | Phase 3 |
| Completed | Human Repeated Insult Patch Test NCT03474874 | NeXtGen Biologics, Inc. | N/A |
| Completed | Potential Role of AGEs in Paediatric Allergies NCT04273152 | Federico II University | — |
| Completed | Efficacy of Air Cleaners in Asthmatics Allergic to Cat in ALYATEC Environmental Exposure Chamber NCT03928561 | Alyatec | N/A |
| Completed | Adding a Short Burst of Corticosteroid to the Conventional Treatment of H1 Antihistamines in Emergency Departm NCT03296358 | Chulalongkorn University | N/A |
| Terminated | Role of Circulating Innate Lymphoid Cells in Allergic Disorders NCT03069495 | University of Nebraska | — |
| Completed | Allergy UK Research and Development Nurse Project NCT03826953 | University of Edinburgh | N/A |
| Completed | Pilot Study: Characterization of the Immune Phenotype of Patients Allergic to Wasp Venom or Penicillin NCT03219827 | Institut Pasteur | N/A |
| Completed | Microbiota and Allergy NCT04750980 | Federico II University | — |
| Active Not Recruiting | Mechanisms of Anaphylaxis NCT03182491 | Haukeland University Hospital | — |
| Completed | Penicillin Allergy De-Labelling in Elective Surgical Patients (PADLES) NCT03607734 | The Leeds Teaching Hospitals NHS Trust | N/A |
| Completed | Validation of Strasbourg Environmental Exposure Chamber ALYATEC in Cat Allergic Subjects With Asthma NCT04678063 | Alyatec | N/A |
| Completed | Bathing Babies and Allergy NCT03050658 | University of Virginia | — |
| Terminated | Effects of Intranasal Fluticasone Plus Azelastine on Airway Inflammation in Patients With Asthma & Allergic Rh NCT02953106 | University of Dundee | Phase 4 |
| Completed | Clinical and Biological Efficacy of Hazelnut Oral Immunotherapy NCT03048149 | Lille Catholic University | — |
| Completed | Validation of Strasbourg Environmental Exposure Chamber ALYATEC in Mite Allergic Subjects With Asthma NCT04663880 | Alyatec | N/A |
| Completed | Applying Systems Immunology to the Search for Personalized Biomarkers of Clinical Efficacy NCT02931955 | Luxembourg Institute of Health | — |
| Completed | Impact of Age on the Prevalence of Allergic Sensitization NCT02730520 | Brugmann University Hospital | — |
| Unknown | Health2016: Monitoring Chronic Disease and Risk Factors in the General Population NCT02720809 | Glostrup University Hospital, Copenhagen | — |
| Unknown | Allergic Rhinitis, Immunotherapy and Vitamin d NCT02738619 | Hospital General de Mexico | Phase 2 / Phase 3 |
| Unknown | Health and Early Life Microbiota NCT03996304 | University of Helsinki | — |
| Unknown | VR to Reduce Pain/Anxiety During Painful Procedures NCT04268901 | Children's Hospital Los Angeles | N/A |
| 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 | Observational Analysis of T Cell Responses to SPIREs for Multiple Allergens in Subjects With Allergy in North NCT02601690 | Adiga Life Sciences, Inc. | — |
| Completed | The Leaky Lung Test NCT02306473 | University of Rochester | EARLY_Phase 1 |
| Completed | First in Man Evaluation of Single and Multiple Doses of Oral ATX2417 NCT02316912 | Atopix Therapeutics, Ltd. | Phase 1 |
| Completed | Anisakis Blastocystis Cryptosporidium Fish Serology NCT02666092 | University Hospital, Lille | — |
| Completed | Observational Study of Oralair® in Children 5-9 Years With Grass-pollen-induced Allergic Rhinitis With/Without NCT02295969 | Stallergenes Greer | — |
| Completed | Anisakis Blastocystis Cryptosporidium Fish Prevalence NCT02661074 | University Hospital, Lille | — |
| Completed | Single Ascending-dose Study of the Efficacy, Safety, Tolerability, and Pharmacokinetics of REGN1908-1909 in Al NCT02127801 | Regeneron Pharmaceuticals | Phase 1 |
| Completed | Vaccination Coverage and Level of Protection in Patients at Risk NCT03820752 | Universitaire Ziekenhuizen KU Leuven | — |
| Completed | 24 Hrs Histamine Profile in Healthy Persons and Patients With Food Intolerance NCT02293343 | University of Erlangen-Nürnberg Medical School | — |
| Completed | Effect of Probiotics in Reducing Infections and Allergies in Young Children Starting Daycare NCT02180581 | University of Copenhagen | N/A |
| Completed | Allergic Transfusion Reactions in Plasma Transfusion NCT02200692 | Haukeland University Hospital | — |
| Completed | A Pilot Study for Ginkgolides Meglumine Injection Skin Testing. NCT02264535 | Jiangsu Kanion Pharmaceutical Co., Ltd | Phase 4 |
| Completed | Neo-Synalar Modified 48 Hour Patch Test NCT02168478 | Noah Rosenberg, MD | Phase 4 |
| Completed | Comparative Study of Specific IgE Levels to Common Foods and Aeroallergens Measured by EUROIMMUN Allergy and I NCT02328170 | Mahidol University | — |
| Completed | Bioequivalence Study of Two Inhalation Formulations Containing Budesonide 200 µg NCT02593500 | Reig Jofre Group | Phase 1 |
| Unknown | Omalizumab Treatment in Venom Immunotherapy With Systemic Reactions NCT02968394 | The University Clinic of Pulmonary and Allergic Diseases Golnik | N/A |
| Completed | Study of Genic Expression Profiles of the Epithelium of the Nose and Bronchi in Healthy and Allergic Subjects NCT01923519 | Centre Hospitalier Universitaire de Nice | N/A |
| Completed | Food Protein-induced Enterocolitis Syndrome (FPIES) in 14 Children NCT03650049 | Central Hospital, Nancy, France | — |
| Completed | Treatment Modalities in Children and Adolescents Suffering From HDM-induced Allergic Rhinitis and/or Asthma NCT04004351 | Stallergenes Greer | — |
| Terminated | Effect of Probiotics in Reducing Infections and Allergies in Young Children During the Complementary Feeding P NCT02032056 | University of Copenhagen | N/A |
| Completed | Single Ascending-dose Study of the Safety, Tolerability, and Pharmacokinetics of REGN1908-1909 in Allergic, Ad NCT01922661 | Regeneron Pharmaceuticals | Phase 1 |
| Completed | Effect of Intralymphatic Immunotherapy NCT02255604 | University of Aarhus | Phase 2 |
| Completed | Melbourne Infant Study - Bacille Calmette Guérin (BCG) for Allergy & Infection Reduction NCT01906853 | Murdoch Childrens Research Institute | Phase 3 |
| Unknown | Evaluation of Irritancy/Allergic Sensitivity to Natural Personal-care Products by Patch Tests NCT01816542 | Mother's Choice Ltd | N/A |
| Unknown | Follow up of Patients After Oral Immunotherapy for Cow's Milk, Eggs and Peanuts NCT01999387 | Assaf-Harofeh Medical Center | — |
| Completed | Evaluation of Allergy to Potato in a Large Cohort NCT02893839 | University Hospital, Montpellier | N/A |
| 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 | Wheezing in Black Preterm Infants: Impact of Vitamin D Supplementation Strategy NCT01601847 | Case Western Reserve University | Phase 4 |
| 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 | Effect of Intranasal Anti-IgE Antibodies on IgE Production NCT03019237 | Medical University of Vienna | N/A |
| Completed | Hydrolyzed Egg and Tolerance Induction NCT01526863 | Société des Produits Nestlé (SPN) | N/A |
| Completed | Cumulative Irritation Patch Test NCT01842711 | Chattem, Inc. | — |
| Completed | AsthmaVent - Effect of Mechanical Ventilation on Asthma Control in Children NCT02068573 | University of Aarhus | N/A |
| Completed | Vitamin D, Steroids, and Asthma in African American Youth NCT01647399 | Robert J. Freishtat | — |
| Completed | Risk Factors for Enhanced Inflammation to Arthroplasty Wear Particles: Analysis of Cytokine Production and Pol NCT02262065 | Ludwig-Maximilians - University of Munich | — |
| Completed | Glasgow Asthma and Allergy Study NCT01618318 | National Services for Health Improvement Ltd | — |
| Completed | Effectiveness of Mediterranean Diet Intervention in Pregnant Women NCT01634516 | Heriot-Watt University | N/A |
| Completed | Effects of Whole Sprouts on Airway Allergic Inflammation NCT01522703 | Johns Hopkins University | N/A |
| Completed | Diagnosis and Physiopathology of Insulin Allergy NCT01407640 | Assistance Publique - Hôpitaux de Paris | N/A |
| Unknown | Can Supplementation With Lactobacillus Reuteri and Omega-3 Fatty Acids During Pregnancy and Lactation Reduce t NCT01542970 | Ostergotland County Council, Sweden | N/A |
| Completed | Clinical Characteristics of Allergy, Autoimmune and Rheumatic Diseases: A Ten Year Retrospective Study NCT01611636 | Far Eastern Memorial Hospital | — |
| Completed | A Study of Ragweed (Ambrosia Artemisiifolia) Allergy Immunotherapy Tablet in Adults With Ragweed Allergies (P0 NCT01469182 | ALK-Abelló A/S | Phase 3 |
| Unknown | Allergenic Effect of Ambrosia in Israel NCT01413256 | Rambam Health Care Campus | — |
| Unknown | Immune Response of Individuals Vaccinated With Hypoallergenic Derivatives of the Major Birch Pollen Allergen, NCT01353924 | Medical University of Vienna | Phase 1 |
| Withdrawn | The Long-term Prognosis of Moderate to Severe Bronchial Hyperresponsiveness (BHR) in Asthmatic Preschool Child NCT01144910 | Johann Wolfgang Goethe University Hospital | — |
| Completed | Efficacy and Safety Study Of Short Ragweed Pollen Sublingual-Oral Immunotherapy NCT01353079 | Greer Laboratories | Phase 3 |
| Completed | Flow Cytometry Applied to the Diagnosis of Peri-anaesthesic Reactions NCT01305161 | University Hospital, Limoges | N/A |
| Completed | Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Immunogenicity of QGE031 in Japanese Atopic Male NCT01596712 | Novartis Pharmaceuticals | Phase 1 |
| Unknown | Randomized Study for Effectiveness and Safety Evaluation of Dexamethasone 0.5 mg + Fumarate Clemastine 1 mg Co NCT01239719 | Azidus Brasil | Phase 3 |
| Completed | To Test Bioequivalence Between Two Tablet Formulations in the Treatment of Allergy NCT01322282 | McNeil AB | Phase 1 |
| Unknown | Safety of Ertapenem in Beta-lactam Allergic Patients. NCT01159379 | Catholic University of the Sacred Heart | Phase 4 |
| Completed | Grass Pollen Subcutaneous Immunotherapy in Elderly Patients NCT02440243 | Medical University of Silesia | Phase 4 |
| Unknown | Clinical Investigation on Allergic-like Reactions and Oculo-respiratory Syndrome After the H1N1 Pandemic Vacci NCT01247415 | PHAC/CIHR Influenza Research Network | — |
| Completed | Biological Standardization of Allergen Extracts of Pollens of Betula Pendula, Phleum Pratense and Mite Extract NCT01147159 | Roxall Medicina España S.A | Phase 2 |
| Completed | Sensitivity and Specificity of 3 Solutions of Allergen Extract for Diagnosis by Skin Prick Testing NCT01964768 | Stallergenes Greer | Phase 3 |
| Completed | Health2010-14: Monitoring Biomarkers of Chronic Diseases in the General Population NCT01038518 | Glostrup University Hospital, Copenhagen | — |
| Terminated | Dietary Interventions in Asthma Treatment: Sprouts Study NCT01183923 | Johns Hopkins University | N/A |
| Completed | Effects of Intranasal Corticosteroid and Montelukast On Nasal Allergen Challenges* NCT01240889 | Creighton University | N/A |
| Completed | Effects of Plant Stanols on Immune Function in Asthma Patients NCT01715675 | Maastricht University Medical Center | N/A |
| Completed | Growth, Risks of Allergy and Metabolic Syndrome in 6 Year Old Children Born Preterm Compared to Postdischarge NCT02078687 | University of Southern Denmark | N/A |
| Completed | Study to Asses Efficacy of Intralymphatic Immunotherapy NCT01166269 | Rigshospitalet, Denmark | Phase 2 / Phase 3 |
| Completed | Safety and Tolerability of ToleroMune Grass in Grass Allergic Subjects With Rhinoconjunctivitis NCT01166061 | Circassia Limited | Phase 2 |
| Terminated | An Elimination Diet Using a New Amino Acid Based Formula: Immunological and Clinical Effects in Cow's Milk All NCT01109966 | Nutricia Research | N/A |
| Completed | Prevalence of Allergic Diseases and Atopy in Subjects With Coronary Artery Disease NCT01552161 | Medical University of Lodz | — |
| Completed | Influence of Probiotic VSL#3 Administration on Metabolic and Immunological Profile of the Milk of Breastfeedin NCT01367470 | Policlinico Hospital | Phase 4 |
| Completed | ATEM (Alvesco Non-interventional Study) NCT01147224 | AstraZeneca | — |
| Terminated | Tolerance of Cereals for Atopic Children NCT01029184 | Société des Produits Nestlé (SPN) | N/A |
| Completed | Efficacy and Tolerability of Two Different Administration Routes With SLITonePLUS Birch NCT01191359 | ALK-Abelló A/S | Phase 2 |
| 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 |
| Completed | Safety of ToleroMune House Dust Mite (HDM) to Treat House Dust Mite Allergy in HDM Allergic Subjects With Rhin NCT01008332 | Circassia Limited | Phase 2 |
| Terminated | Phase II Study to Standardize Allergen Extracts: Determination of Biological Activity in HEP Units NCT01412528 | University of Zurich | Phase 2 |
| Completed | Understanding Childhood Infection, Inflammation and Allergy NCT01022268 | Imperial College London | — |
| Completed | Safety of ToleroMune Ragweed to Treat Ragweed Allergy in Ragweed Allergic Subjects With Rhinoconjunctivitis NCT00878774 | Circassia Limited | Phase 2 |
| Completed | Normal Blood, Bone Marrow and Buccal Mucosa Protocol NCT00806364 | National Institute of Allergy and Infectious Diseases (NIAID) | — |
| Completed | The Effect of Air Pollution on Lung Health Among School Children Living in Haifa Bay Region NCT00717899 | Carmel Medical Center | N/A |
| Completed | Evaluating for Contact Allergies in Patients With Chronic Urticaria NCT00868036 | Tufts Medical Center | — |
| Completed | In Vitro Basophil Responsiveness to Allergen Challenge After Gamma-tocopherol Supplementation in Allergic Asth NCT00836368 | University of North Carolina, Chapel Hill | Phase 1 |
| Completed | The Effect of Air Pollution on Lung Health Among Children Living in Haifa Bay Region, Israel NCT00718133 | Carmel Medical Center | N/A |
| Active Not Recruiting | Fish Oil Supplementation During Pregnancy for Prevention of Asthma, Eczema and Allergies in Childhood NCT00798226 | Copenhagen Studies on Asthma in Childhood | Phase 1 |
| Completed | Allergy Immunotherapy for the Reduction of Asthma NCT01028560 | Albert Einstein College of Medicine | Phase 1 / Phase 2 |
| Completed | Phase 2 Study in Adults Sensitized to Cat NCT00689299 | Antigen Laboratories, Inc. | Phase 2 |
| Completed | New Validated Recipes for Double-blind Placebo-controlled Low Dose Food Challenges NCT01633840 | Christina West | N/A |
| Terminated | Phase I/IIa Clinical Evaluation of AllerT vs Placebo in Subjects Allergic to Birch Pollen NCT01728519 | Anergis | Phase 1 / Phase 2 |
| Completed | Interest of Flow Cytometry for the Diagnosis, the Follow up and Specific Immunotherapy (SIT) Arrest of Hymenop NCT00805402 | University Hospital, Limoges | N/A |
| Completed | Intraseasonal Short-time Up-dosing With Alutard SQ Grasses NCT00807547 | ALK-Abelló A/S | Phase 3 |
| Completed | Althera® Versus Nutramigen / Cow's Milk Intolerance NCT01727115 | Société des Produits Nestlé (SPN) | N/A |
| Completed | Efficacy and Safety From a High-dosed Sublingual Grass Pollen Preparation NCT00623701 | Allergopharma GmbH & Co. KG | Phase 3 |
| Completed | Development of a Skin Test for the Na-ASP-2 Hookworm Antigen NCT00603889 | Albert B. Sabin Vaccine Institute | N/A |
| Completed | Efficacy and Safety of Grass Sublingual Tablet in Children and Adolescents (P05239 AM3)(COMPLETED) NCT00550550 | ALK-Abelló A/S | Phase 3 |
| Completed | Efficacy and Safety of Grass Sublingual Tablet in Adults (P05238 AM3)(COMPLETED) NCT00562159 | ALK-Abelló A/S | Phase 3 |
| Completed | A Phase III Study to Assess Efficacy and Safety of STALORAL® 300 IR Sublingual Immunotherapy (SLIT) in Asthmat NCT00660452 | Stallergenes Greer | Phase 3 |
| Recruiting | Understanding Allergies and Sensitizations in Healthy and Allergic Individuals NCT04828603 | Stanford University | — |
| Completed | Immunotherapy With Depigmented and Polymerized Allergen Extract of Olea Europaea (GPIT) NCT00537342 | Laboratorios Leti, S.L. | Phase 3 |
| Completed | Tolerability of ALK Tree Tablet NCT00535639 | ALK-Abelló A/S | Phase 1 |
| Completed | Efficacy and Safety From a Recombinant Folding Variant of Bet v 1 NCT00554983 | Allergopharma GmbH & Co. KG | Phase 3 |
| Completed | Growth, Tolerance in Healthy Infants Fed a Partially Hydrolyzed Rice Protein NCT00997971 | Sodilac | Phase 3 |
| Completed | Roflumilast In-Vitro Basophil Release NCT00613587 | Creighton University | — |
| Unknown | The Effect of Xolair on Inhibiting Leukotriene and Cytokine (IL-4 and IL-13) Release From Blood Basophils NCT00673218 | Creighton University | Phase 4 |
| Unknown | Incidence and Nature of Heparin-induced Skin Lesions in Medical Patients NCT00510432 | Johann Wolfgang Goethe University Hospital | — |
| Completed | Sublingual Cockroach Safety in Adults With Cockroach Allergy & Perennial Allergic Rhinitis With or Without Ast NCT00434421 | National Institute of Allergy and Infectious Diseases (NIAID) | Phase 1 |
| Completed | Study of Dust Mite Inhalation in Humans NCT00448851 | University of North Carolina, Chapel Hill | Phase 1 |
| Completed | Safety Study of Anti-IgE Immunotherapy in Allergic Patients NCT00439621 | Resistentia Pharmaceuticals AB | Phase 2 |
| Completed | Changes in the Immune Response and Skin Reactivity of Grass Pollen Allergic Patients Treated With ALK Grass Ta NCT00413556 | ALK-Abelló A/S | Phase 3 |
| Completed | Efficacy and Safety of 300 IR Sublingual Immunotherapy (SLIT) Tablets in Children Suffering From Grass Pollen NCT00409409 | Stallergenes Greer | Phase 3 |
| Completed | Normal Values of Facial Thermography NCT00411606 | West Penn Allegheny Health System | — |
| Completed | Phase III Study to Assess the Long Term Efficacy, Carry-over Effect and Safety of 300 IR Sublingual Immunother NCT00418379 | Stallergenes Greer | Phase 3 |
| Completed | A Trial of Grazax in Subjects With Hayfever NCT00421655 | ALK-Abelló A/S | Phase 3 |
| Completed | Pilot Trial to Elaborate a Cutaneous Antigen Neutralization Test in Patients Suffering From Rhinoconjunctiviti NCT00461721 | University of Zurich | — |
| Completed | Efficacy and Safety of Grazax in Children NCT00408616 | ALK-Abelló A/S | Phase 3 |
| Completed | Pilot Study of Allergy Immunotherapy and Prevention of Viral Respiratory Infections NCT00405899 | West Penn Allegheny Health System | — |
| Completed | Respiratory Health Study of Children in Kiryat Tivon NCT00331929 | Carmel Medical Center | N/A |
| Completed | Influence of Nutrition on Nasal and Bronchial Affliction in Patients With Allergy on Grass-Pollen NCT00519740 | Johann Wolfgang Goethe University Hospital | N/A |
| Completed | Efficacy of SLITone in House Dust Mite Allergic Patients NCT00633919 | ALK-Abelló A/S | Phase 2 / Phase 3 |
| Completed | Safety of ALK Ragweed Tablet NCT00330083 | ALK-Abelló A/S | Phase 1 |
| Terminated | Treatment of Ragweed-Allergic Asthma With an Immunostimulatory Drug NCT00318747 | National Institute of Allergy and Infectious Diseases (NIAID) | Phase 2 |
| Completed | Immunotherapy for Peanut Allergy NCT00429429 | University of North Carolina, Chapel Hill | N/A |
| Completed | Tolerability of ALK Grass Tablet in Children NCT00310453 | ALK-Abelló A/S | Phase 1 |
| Terminated | Effect of Ozone on Airway Inflammation in Allergic Asthmatics Treated With Omalizumab NCT00287378 | University of North Carolina, Chapel Hill | N/A |
| Completed | Assessment of Grazax® Treatment Compliance NCT00293046 | ALK-Abelló A/S | Phase 3 |
| Completed | Tolerability of Grazax-R in Children NCT00298701 | ALK-Abelló A/S | Phase 1 |
| Completed | Importance of Hand Washing After Each NAET® Treatment NCT00292656 | Nambudripad's Allergy Research Foundation | Phase 1 / Phase 2 |
| Completed | Air Cleaners for Children and Adolescents With Asthma and Dog Allergy NCT00220753 | Sykehuset Innlandet HF | N/A |
| Completed | Randomised Controlled Clinical Trials of the Effect of Therapeutic Hookworm Infection in Allergic Rhinoconjunc NCT00232518 | University of Nottingham | N/A |
| Completed | Dust Mite Allergen Reduction Study NCT00339690 | National Institute of Environmental Health Sciences (NIEHS) | Phase 2 |
| Completed | To Demonstrate the Relative Bioavailability Study of Loratadine 10 mg Tablets NCT00946608 | Sandoz | Phase 1 |
| Completed | Efficacy and Safety Trial of SLITone(TM) Birch in Subjects With Hayfever NCT00310466 | ALK-Abelló A/S | Phase 3 |
| Completed | Urban Environmental Factors and Childhood Asthma NCT00114881 | National Institute of Allergy and Infectious Diseases (NIAID) | — |
| Completed | NAET® Testing Devices in Detection of Hypersensitivity to Cane Sugar NCT00292578 | Nambudripad's Allergy Research Foundation | Phase 1 / Phase 2 |
| Completed | Safety and Efficacy of Sublingual Immunotherapy (SLIT) Tablets in Grass Pollen Rhinoconjunctivitis NCT00367640 | Stallergenes Greer | Phase 2 / Phase 3 |
| Completed | Wheal and Flare Reaction During 24 Hours in Allergic Volunteers. NCT00521170 | UCB Pharma | Phase 1 |
| Completed | A Trial of the ALK Grass Tablet in Subjects With Hayfever NCT00227279 | ALK-Abelló A/S | Phase 3 |
| Completed | To Demonstrate the Relative Bioavailability Study of Promethazine HCl 50 mg Tablets Under Fasting Conditions NCT00947063 | Sandoz | Phase 1 |
| Terminated | A Safety and Efficacy Study of Xolair in Peanut Allergy NCT00086606 | Genentech, Inc. | Phase 2 |
| Terminated | Correlation of Nasal Volume, Cross-Sectional Area With Nasalance Scores Measured by Acoustic Rhinometry and Na NCT00147940 | University of Chicago | Phase 4 |
| Terminated | Comparing Allergenic Effects of 3 German Cockroach Extracts in Adults NCT00132847 | National Institute of Allergy and Infectious Diseases (NIAID) | — |
| Completed | Safety and Efficacy of Recombinant Grass Pollen Allergen Cocktail in the Treatment of Allergic Rhinoconjunctiv NCT00309036 | Allergopharma GmbH & Co. KG | Phase 3 |
| Completed | Maternal Ethnic Group,Diet,Breast Milk Fatty Acid and Potential Effect Development of Allergy in the Offspring NCT00298519 | National University Hospital, Singapore | — |
| 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 | Double Blind Controlled Trial of an Extensively Hydrolyzed Formula With a Probiotic vs. an Extensively Hydroly NCT01181297 | Mead Johnson Nutrition | N/A |
| Terminated | Efficacy and Safety of Subcutaneous Immunotherapy in Birch Pollen Allergic Patients NCT00410930 | Stallergenes Greer | Phase 2 |
| Completed | Comparative Study Evaluating the Effects of Fexofenadine HCI 180 mg With Orange Juice Versus Placebo With Oran NCT00547768 | Sanofi | Phase 4 |
| Completed | Dietary Arachidonic Acid, Obesity and Atopic Respiratory Disease NCT02525354 | University of New Hampshire | — |
| Completed | Efficacy and Safety of a Purified Standardised Wasp Venom Preparation NCT00263926 | Allergopharma GmbH & Co. KG | Phase 3 |
| Completed | Probiotics in Prevention of Allergies, Obesity and Caries NCT00894816 | Umeå University | N/A |
| Completed | Exploring the Comorbidity Between Mental Disorders and General Medical Conditions NCT03847753 | University of Aarhus | — |
| Completed | Pollutant Altered Allergic Responses NCT00011440 | National Institute of Environmental Health Sciences (NIEHS) | — |
| Completed | Childhood Origins of Asthma (COAST) NCT00204841 | University of Wisconsin, Madison | — |
| Completed | National Survey of Lead and Allergen Hazards in Housing NCT00339573 | National Institute of Environmental Health Sciences (NIEHS) | — |
| Terminated | Evaluation and Long-Term Follow-Up of Patients With Allergic and Inflammatory Disorders NCT00557895 | National Institute of Allergy and Infectious Diseases (NIAID) | — |
| Completed | To Demonstrate the Relative Bioequivalency Study of Dosage Forms of Clemastine 2.68 mg Tablets NCT00913549 | Sandoz | Phase 1 |
| Completed | Effects of Long-Term Treatment With Nasally Inhaled Triamcinolone Acetonide in Children With Allergic Rhinitis NCT00189449 | West Penn Allegheny Health System | — |
| Unknown | Study With Rupatadine in Mosquito-Bite Allergic Adult Subjects NCT00258141 | J. Uriach and Company | Phase 4 |
| Completed | Allergy and Asthma Following Children Who Were Fed Supplemented Infant Formula NCT00740974 | Mead Johnson Nutrition | — |
| Completed | Reducing Indoor Allergen Exposures in Northern Manhattan and the South Bronx NCT00023127 | National Institute of Environmental Health Sciences (NIEHS) | N/A |