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The primary objective is to evaluate the prophylactic efficacy of REGN1908-1909 (anti-Fel d 1) administered as a single dose on day 1 in cat-allergic asthmatic patients not living with a cat in the prevention of a Controlled Cat Allergen Challenge-induced early asthmatic response (EAR) assessed by measures of lung function (FEV1) compared to placebo-treated patients. Secondary Efficacy Objectives: - To evaluate the prophylactic efficacy of REGN1908-1909 administered as a single dose on day 1 in cat-allergic asthmatic patients not living with a cat, in the prevention of a Controlled Cat Allergen Challenge-induced: Allergic rhinitis and Ocular symptoms - To evaluate the prophylactic efficacy of REGN1908-1909 administered as a single dose on day 1 in cat-allergic asthmatic patients not living with a cat to increase the exposure to cat allergen, measured as a product of minute ventilation and time, required to induce EAR in a Controlled Cat Allergen Challenge as compared to placebo patients Secondary Safety Objective: - To evaluate the safety and tolerability of REGN1908-1909 vs. placebo in patients with cat allergen-triggered asthma
The primary objective of this study is to evaluate budesonide levels in the blood following inhalation of single doses of VR647 Inhalation Suspension in children with wheezing, reactive airway disease or mild asthma using a nebulizer, the VR647 Inhalation System. Secondary objectives include the evaluation of the safety and tolerability of VR647 Inhalation Suspension administered using the VR647 Inhalation System.
The purpose of the trial is to evaluate efficacy and safety of QMF149 150/80 microgram o.d. delivered via Concept1 compared to MF 200 microgram o.d., delivered via Twisthaler® in terms of lung function and symptom control in poorly (ie inadequately) controlled asthma patients. This study will assess contribution of LABA as an add-on therapy to low dose ICS monotherapy.
Twenty, house dust mite (HDM)-allergic non-smoking subjects with or without mild asthma between the ages 18-50 will be recruited. The primary endpoint will be nasal eosinophilia. Each volunteer will be screened with skin testing, pulmonary function testing and induced sputum. If eligible they will return for baseline nasal allergen challenge and lavage. Approximately two weeks later they will return for gamma tocopherol (gT) dosing visit. After completing 14 days of daily high dose (1200mg) gT, they will return for a second nasal allergen challenge. This visit will also include pulmonary function testing and blood draw. The purpose of this study is to determine if high dose gamma tocopherol therapy can reduce allergen induced nasal inflammation.
Investigate if asthmatics treated with FLIXOTIDE (FP) 500 mcg BID during 14 days get reduced bronchial reactivity after inhalation of Leukotriene D4. Two 14 days treatment periods where patients received FP 500 MCG BID and placebo. Washout at least 21 days between treatments. Bronchial challenge with methacholine and Leukotriene D4 were performed before the start of each treatment period and on treatment days 13 and 14 respectively.
The purpose of this research study is to learn more about the effect of inhaled dust mite allergen extract on airway responses in allergic individuals with mild asthma. Information learned from this study will be used to identify a safe dose range of D Farinae extract for use in inhalation challenge studies. This study will also help determine how inhalation of the allergen affects mucociliary clearance (MCC) which is a measure of how quickly mucus clears from the airway.
This study will evaluate the efficacy and safety of GSK256066 in the treatment of subjects with mild bronchial asthma, using a number of clinical and biological markers of efficacy.
Recent reports have shown that people with asthma who have a particular gene, known as the GSTM1 null gene, are more susceptible to the effect of air pollutants. The purpose of this research study is to learn if volunteers who have asthma and have a GSTM1 null gene have increased response (change in lung function and increase in lung cells collected from sputum) compared to volunteers with asthma who have the GSTM1 sufficient gene when challenged with 0.4 ppm ozone during intermittent exercise. The principal purpose of this study is to identify hyper-responsive, responsive and non-responsive groups of human subjects with mild asthma based on their airway neutrophilic response to ozone exposure, and to perform analyses on DNA from airway cells to explore possible differences in genetic profiles between the three groups. An additional pilot aim is to compare expression of a small number of specific genes of interest in a subset of ozone-responsive and ozone-non-responsive subjects with mild asthma.