NL-OMON36375招募中不适用
The role of corticosteroids on coagulation and inflammation in asthma - ROCOCO
适应症
试验速览
- 阶段
- 不适用
- 状态
- 招募中
- 入组人数
- 90
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional
入排标准
- 年龄范围
- 18 至 99（—）
入选标准
- •All subjects
- •Age between 18 - 75 years
- •Non-smoking or stopped smoking more than 12 months ago and 10 pack years or less
- •Able to give written and dated informed consent prior to any study-specific procedures;Healthy controls:
- •Baseline FEV1 > 80% of predicted
- •Methacholine PC20> 8 mg/ml
- •No usage of steroids by any dosing route
- •Negative allergy testing by skin prick test or specific IgE
- •Negative history of pulmonary and any other relevant diseases;Patients with asthma
- •All patients have previous evidence of variable airways obstruction within the last 5 yrs, as documented by at least one of the following:
- •- Reversibility in forced expiratory volume in one second (FEV1) of >=9% predicted after 4 puffs of a 100 µg salbutamol dose-aerosol, administered via a spacer.
- •*- A mean diurnal variation in peak expiratory flow (PEF) >=15% (highest PEF - lowest PEF) per mean PEF on >=4 days per week for a minimum of 2 weeks.
- •*- An increase in FEV1 of >=400 mL after a course of prednisolone 0.5 mg•kg*1•day*1 for 14 days.
- •*- A provocative concentration causing a 20% fall in FEV1 with histamine or methacholine <8 mg/mL.
- •Clinically stable, for patients with mild asthma this means no exacerbations within the last 8 weeks prior to the study.
- •No other clinically significant abnormality on history and clinical examination
- •The use of short and long-acting beta2-agonists, leukotriene receptor antagonist, short or long acting anticholinergic agonists are allowed provided that the dose of these drugs remains stable during the study.;Mild/Moderate asthmatic patients:
- •Baseline FEV1 > 70% of predicted
- •Low- to medium-dose use of inhaled corticosteroids (ICS) (fluticason <= 500 µg/day or equivalent drug);Severe asthmatic patients:
- •Severe asthma according to the recently published consensus criteria of the Innovative Medicine Initiative (IMI)31
- •High- and ultrahigh dose of ICS (Fluticasone >=1000 µg/day or equivalent drug).
- •On stable doses of inhaled corticosteroids during the previous 4 weeks and during the study.
排除标准
- •Exclusion criteria for all patient-groups are as follows:
- •Women who are pregnant or lactating or who have a positive urine pregnancy test at screening
- •Participation in any clinical investigational drug treatment protocol within the preceding 30 days
- •Use of heparin, LMWH, NSAID or vitamin K antagonists.
- •Use of omalizumab during the last 6 months before randomization
- •Use of oral corticosteroids during the last 8 weeks before randomization
- •Ongoing use of tobacco products of any kind or previous usage with a total pack year >= 10 years
- •General contraindications for the use of corticosteroid use, including a known diagnosis of peptic ulcers, osteoporosis, psychoses, infections, diabetes and hypertension, or symptoms and signs compatible with one of the above diagnoses.
- •Concomitant disease or condition which could interfere with the conduct of the study, or for which the treatment might interfere with the conduct of the study, or which would, in the opinion of the investigator, pose an unacceptable risk to the patient in this study
- •Unwillingness or inability to comply with the study protocol for any other reason
研究者
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