Status and phase
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About
The purpose of this study is to determine the safety and usefulness of GSK2190915 in asthmatic patients who develop asthma symptoms following being challenged.
Enrollment
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Volunteers
Inclusion criteria
Males and females aged 18 to 55 years inclusive.
Body mass index within the range 18.5-35.0 kilograms/metre2 (kg/m2).
Female subjects must be of non childbearing potential including pre-menopausal females with documented (medical report verification) hysterectomy or double oophorectomy or postmenopausal defined as 12 months of spontaneous amenorrhea or 6 months of spontaneous amenorrhea with serum FSH levels > 40 mIU/mL and estradiol < 40 pg/ml (<140 pmol/L) or 6 weeks postsurgical bilateral oophorectomy with or without hysterectomy.
Male subjects must agree to use one of the contraception methods listed in Section 8.1. This criterion must be followed from the time of the first dose of study medication until 5 terminal half-live post-last dose.
Documented history of bronchial asthma, first diagnosed at least 6 months prior to the screening visit and currently being treated only with intermittent short-acting beta -agonist therapy by inhalation.
Pre-bronchodilator FEV1 >70% of predicted at screening.
Sensitivity to methacholine with a provocative concentration of methacholine resulting in a 20% fall in FEV1 (PC20 methacholine) of <8 mg/mL at screening
Subjects who are able to produce acceptable induced sputum samples (as defined in the Study procedures Manual).
Subjects who are current non-smokers who have not used any tobacco products in the 6-month period preceding the screening visit and have a pack history of ≤10 pack years.
[number of pack years = (number of cigarettes per day/20) x number of years smoked]
Demonstration of a positive wheal and flare reaction (≥3 mm relative to negative control) to at least one allergen from a battery of allergens (including house dust mite, grass pollen and cat hair) on skin prick testing at screening, or within 12 months of study start.
Screening allergen challenge demonstrates that the subject experiences both an early and late asthmatic response. The early asthmatic response must include a fall in FEV1 of ≥20% from the post saline value, on at least one occasion, between 5 and 30 minutes after the final concentration of allergen. The late asthmatic response must include a fall in FEV1 of ≥ 15% from the post saline value, on at least three occasions, two of which must be consecutive, between 4 and 10 hours after the final concentration of allergen.
Signed and dated written informed consent is obtained from the subject
The subject is able to understand and comply with the protocol requirements, instructions and protocol-stated restrictions.
Exclusion criteria
A subject will not be eligible for inclusion in this study if any of the following criteria apply:
Primary purpose
Allocation
Interventional model
Masking
19 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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