View clinical trials related to Allergic Rhinitis.
Filter by:Exposure to airborne allergens and pollutants is linked to symptom severity of allergies, asthma and other respiratory problems. In this study an air purifier using photo-electrochemical oxidation technology (PECO) will be used in the home environment of study participants. The investigator will assess the reduction of symptoms from allergic rhinitis/conjunctivitis and asthma.
A safety study conducted on subjects ≥16 years old evaluating the safety of 4 intralymphatic injections of 2 different dose levels of the investigational short and tall ragweed product. Biomarkers will be assessed at baseline and at multiple time points post-treatment.
We will perform double-blinded placebo-controlled randomized clinical trial which evaluates the efficacy and safety of allergen-specific intralymphatic immunotherapy (ILIT) for allergens including Dermatophagoides farinae (Df), Dermatophagoides pteronyssinus (Dp), cat, and dog that are sensitized and provoke rhinitis-related symptoms in patients with allergic rhinitis.
Birch pollen allergic patients are currently treated by subcutaneous injections of pollen extracts either by standard allergen specific immunotherapy (SIT) or ultra-rush immunotherapy. Such treatment is prone to side effects and has to be performed in a hospital environment due to the risk of potential anaphylactic reactions. The aim of this study is to test the new product AllerT expected to show widely reduced side effects. AllerT will be injected via two different routes, subcutaneous versus intradermal. The primary endpoint of the study is the local and systemic safety of repeated injections of the product. Since AllerT should provide patients with a pre-seasonal treatment to decrease seasonal allergic symptoms, we will also evaluate the potential efficacy of the approach using a nasal provocation test (NPT) with birch pollen
Safety study of Depigoid vaccine Dermatophagoides pteronyssinus or 50% Dermatophagoides pteronyssinus / 50% Dermatophagoides farinae (500 DPP/ml), to treat allergic rhinitis or rhinoconjunctivitis with or without asthma. Primary variable: number of subjects [%] who experienced at least one immediate or delayed systemic reaction of EAACI grade 2 or higher during the 4-month treatment period.
There is a lack of prospective scientific data on the regular use of moisturizers in patients at risk of developing atopic dermatitis. Although generally accepted and widely used for secondary prevention, emollients have not been studied as a primary prevention strategy. Strategies previously studied for the prevention of atopic dermatitis include maternal and child's dietary manipulations, allergens avoidance, delay of food introduction, exclusive breastfeeding and probiotic supplementation. Despite years of research, none of those strategies yielded to strong evidence of a protective effect. There is therefore a need to explore novel strategies. There is a need to compare the cumulative incidence rate of atopic dermatitis in newborns using a standard bathing and moisturizing routine with a good moisturizer to a non interventional group. This 2-year study will recruit approximately four hundred and sixty (460) pregnant women with a first degree relative of the child to be born who currently has (or previously had) a diagnosis of atopic dermatitis in order to study approximately 200 eligible newborns in each of the two study groups at the beginning of the study. Pregnant women will be randomized (1:1) to either daily use of the moisturizer Lipikar Balm AP (applied to their infant) starting from birth (Group 1) immediately after bathing or to no intervention (Group 2).
Hay fever (seasonal allergic rhinitis) results from allergy to grass and tree pollen. The majority of affected individuals manage well with medication from the Pharmacy or from their general practitioner (GP), but for some severely affected people it severely impacts on quality of life. Less than 40% of those affected in UK general practice feel that these medications achieve good symptomatic control. Specific immunotherapy or desensitisation is the practice of administering small amounts of allergen to allergic patients in increasing doses. This treatment is highly effective in these patients and furthermore is truly disease-modifying, with benefits persisting long-term, even when the treatment has been completed. Desensitisation is a routine treatment in the UK, Europe and North America. The exact immune mechanisms that underlie this symptomatic improvement are not entirely clear. Dr Tarzi, Professor Frew and Professor Kern have recently developed new methods for the investigation of immune responses to allergens. These methods require relatively small blood samples and may provide useful information about how immunotherapy exerts its effects. In addition to improving the investigators basic understanding of this treatment, such knowledge may drive improvements in the treatment and could be useful for monitoring patients for response. The investigators study proposes to investigate changes in the immune responses to pollen allergens during immunotherapy. Blood will be taken just prior to the first immunotherapy injection and again just prior to the final injection. In this way the investigators will be able to compare the immune responses to pollen allergen before and after treatment.
The purpose of this study is to compare different up-dosing schedules with Osiris.
Asthma is an inflammatory condition of the airways in the lungs that results in obstruction of airflow in those with the condition. The disease continues to be a major worldwide health care problem and its prevalence continues to increase annually. In 2005, 20 million people were diagnosed with asthma. The disease causes significant morbidity and accounts for 5,000 deaths annually. Between 1980 and 1994 the prevalence of asthma increased 74% in the United States and, in children under age 5, the prevalence increased by 160%. The allergic etiology of airway inflammation associated with asthma is established. Bronchial washings of asthmatic subjects are most often characterized by eosinophils, mast cells, and cytokines that are associated with the Th2 (allergic) phenotype. Similarly, IgE plays a pivotal role in airway inflammation of asthmatic subjects when allergens that cross-link IgE bound to mast cells in the airways cause the release of histamine and other inflammatory mediators. The association of asthma and the IgE mediated allergic phenotype is well established and up to 70% of asthmatics also suffer from allergic disease. Adequately treated asthma often has minimal impact of quality of life but diagnosis and proper treatment is often delayed, resulting in increased missed school days, emergency room visits, and otherwise preventable degradation in quality of life. It would therefore be highly useful to identify a biomarker that can be used to assist in the diagnosis of asthma or to identify subjects at higher risk of developing allergic disease or asthma in the future. Efforts at identifying a genetic marker for the early diagnosis of asthma have been unsuccessful, mainly due to the complexity of the pathogenesis of the disease. Atrial natriuretic factor is a pro-hormone precursor for 4 natriuretic peptide hormones including atrial natriuretic peptide (ANP). ANP's effects on the cardiovascular system are well characterized. Less well understood is the role these hormones play in immune regulation. Recent studies have demonstrated a role for ANP in the regulation of immune function: ANP induces release of histamine from mast cells and macrophages, stimulates migration of neutrophils, enhances the cytotoxic activity of natural killer (NK) cells, and stimulates TNF-β production. Human dendritic cells express ANP receptors (GC-a) which polarize CD4+ cells towards a Th2 phenotype. Since allergic rhinitis and asthma are associated with a Th2 phenotype, it is possible that elevated levels of ANP can be used to predict asthma severity or to predict future predilection to atopic disease. There are a number of ANP gene polymorphisms that have been studied and found to be associated with renal disease, heart disease, hypertension and diabetes. Several studies have investigated the potential role of these polymorphisms in cardiovascular disease and have found association between polymorphisms of the ANP gene and left ventricular remodeling, hypertension, renal disease, diabetes, and increased risk of ischemic stroke. To our knowledge, no studies evaluating the role of ANP polymorphisms in allergic disease have been performed. The goal of this research proposal is to evaluate whether ANP levels can be utilized to assist in diagnosis of asthma and in the prediction of asthma severity. Additionally, we will investigate the potential effect of polymorphisms in the ANP gene on asthma severity and thus serve as a useful genetic marker to predict future risk of atopy and asthma.
This study will evaluate and follow patients with various allergic, hypersensitivity and inflammatory disorders. The protocol is not designed to test new treatments; patients will be managed with standard of care therapies. Participants may be referred to other current NIAID protocols as appropriate or to new studies as they are developed, but will not be required to join another study. Patients with allergic, hypersensitivity or inflammatory disorders between the ages of 3 years and 80 years may be eligible for this study. Conditions of interest include, but are not limited to, asthma, allergic rhinitis, mastocytosis, atopic dermatitis and food allergy. Participants will have a medical history and physical examination, plus standard tests for diagnosing and treating their specific disorder. Tests may include routine blood and urine studies, X-rays or other imaging studies, allergy skin tests and lung function tests. Blood samples may be collected for research on immune system cells and other substances involved in immune function. Generally, about 2 to 6 tablespoons will be drawn at a time, but no more than 16 ounces will be collected over a 6-week period. NIH does not provide emergency medical treatment or treatment for other, unrelated conditions the patient may have. Therefore, patients must maintain a personal physician for these purposes.