NCT00755066已完成不适用
The Effect of Intranasal Corticosteroid on the Immune Response Following Nasal Allergen Challenge in Patients Suffering From Seasonal Allergic Rhinitis
适应症
干预措施
相关药物
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 48
- 试验地点
- 1
- 主要终点
- Allergen specific IgE levels
研究概览
简要总结
Evaluation of the effect of fluticasone propionate vs placebo applied as nasal spray on the increase of allergen-specific serum IgE levels following nasal exposure to recombinant allergens. Nasal sprays will be applied for four weeks starting two weeks before nasal provocation and serum IgE levels will be followed during eight weeks after nasal provocation.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Basic Science
- 盲法
- Double (Participant, Investigator)
入排标准
- 年龄范围
- 18 Years 至 50 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •male or female 18-50 years of age
- •moderate to severe allergic rhinitis to grass and/or birch pollen for at least two seasons according to history
- •sensitization to rPhl p 5 and rBet v 1 as demonstrated by UniCAP within a range from 3.0-80 kUA/l and a positive (wheal diameter >= 3 mm larger than the negative control and half of the histamine control) SPT with rPhl p 5 and rBet v 1 at 20 µg/ml
- •willingness to comply with the study protocol
- •written informed consent
排除标准
- •perennial allergic rhinitis
- •history of asthma necessitating treatment
- •FEV1 <70% of predicted value
- •abnormalities at auscultation of heart or lungs
- •history of anaphylaxis
- •severe atopic dermatitis
- •total serum IgE >2000 kU/l
- •previous or ongoing immunotherapy (subcutaneous or sublingual) to grass or birch pollen
- •nasal provocation testing during the previous six month
- •known allergy/intolerance to fluticasone propionate or loratadine
- •known allergy/intolerance to cellulose, polysorbate, phenylethyl alcohol, benzalkonium chloride
- •contraindications for the use of INCS:
- •acute or chronic infections of the upper respiratory tract
- •surgery of the nose during the previous year
- •hypersensitivity to components of the drug
- •contraindications for nasal provocation test
- •acute rhinosinusitis
- •acute allergic reaction of the immediate type at other organs
- •nasal polyposis or significant nasal anatomical deformities
- •vasomotor rhinitis
- •autoimmune disease, chronic or acute infectious disease, malignancy
- •severe psychological disorder
- •treatment with systemic or topical (intranasal, inhaled, external) corticosteroids from 3 month prior to the study
- •treatment with other immunosuppressant drugs from 6 month prior to the study
- •treatment with antihistamines or disodium cromoglycate from 2 weeks prior to the study
- •treatment with intranasal adrenergic drugs from 3 days prior to the study
- •treatment with systemic adrenergic drugs
- •treatment with psychopharmacological drugs from 2 weeks prior to the study
- •cardiovascular or pulmonary disease
- •contraindication for adrenaline
- •participation in any other clinical trial within the previous 3 month
- •pregnant, lactating or sexually active women with childbearing potential who are not using a medically accepted birth control method
- •a mental condition rendering the subject unable to understand the nature, scope and possible consequences of the study, and/or evidence of an uncooperative attitude
- •known alcohol or drug addiction or abuse
- •unlikelihood to be able to complete the study
研究组 & 干预措施
F
Experimental
Fluticasone propionate 200 µg intranasal
干预措施: Fluticasone propionate (Drug)
P
Placebo Comparator
Placebo intranasal spray
干预措施: Placebo (Drug)
结局指标
主要结局
Allergen specific IgE levels
时间窗: 8 weeks
次要结局
- Allergen specific IgG 1-4, IgM, IgA levels(8 weeks)
研究者
研究点 (1)
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