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临床试验/NCT01804218
NCT01804218Unknown2 期

Efficacy and Safety of Beta-adrenoceptor Inverse Agonist, Nadolol, in Mild Asthma

Invion, Inc.3 个研究点 分布在 1 个国家目标入组 60 人开始时间: 2013年3月最近更新:
适应症
干预措施
相关药物

试验速览

阶段
2 期
发起方
入组人数
60
试验地点
3
主要终点
The change in methacholine provocative concentration causing a 20% fall (PC20) based on forced expiratory volume in 1 second (FEV1) between baseline visit and final dose dispensing visit.

研究概览

简要总结

The purpose of this study is to test the hypothesis that 18-22 week treatment with the inverse agonist nadolol will improve airway hyperresponsiveness in patients with mild asthma, compared to placebo.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Treatment
盲法
Double (Participant, Investigator)

入排标准

年龄范围
18 Years 至 60 Years(Adult)
性别
All
接受健康志愿者

入选标准

  • Individuals who meet all of the following criteria are eligible for enrollment as study participants:
  • Males and females with physician-diagnosed asthma between the ages of 18-
  • Pre-bronchodilator FEV1 80% or greater than the predicted value
  • Baseline PC20 (based on FEV1) ≤ 4 mg/ml on methacholine challenge test.
  • Asthma Control Questionnaire Score (ACQ) <1.25
  • Baseline blood pressure ≥ 110/65mm Hg
  • Baseline pulse rate ≥ 60 beats/min.
  • Never-smoker or former-smoker < 10 pack.year and has not smoked within 1 year.
  • Able to complete diary cards and comply with study procedures.
  • Females of childbearing age may participate only if they have a negative pregnancy test, are non-lactating, and agree to practice an adequate birth control method (abstinence, combination barrier and spermicide, or hormonal) for the duration of the study.

排除标准

  • Subjects who meet ANY of the following criteria are not eligible for enrollment:
  • Inability or unwillingness of the participant to give written informed consent
  • History of upper/lower respiratory tract infection or asthma exacerbation requiring systemic steroids within 6 weeks of Visit 1
  • Use of rescue medication (e.g., albuterol) more than twice per week during the week preceding Visit 1 excluding the use of such medication as preventative prior to exercise.
  • History of hospitalization for asthma in the preceding year
  • History of intubation for asthma
  • Currently diagnosed with chronic obstructive pulmonary disease (COPD)
  • Currently taking any beta-blocker medication
  • History of adverse reaction or allergy to any beta-blocker medication
  • History of neurological, hepatic, renal, or other medical conditions that may interfere with the interpretation of data or the patient's participation in the study or may increase safety concerns
  • Current diabetes or hyperthyroidism
  • History of cardiovascular diseases including uncontrolled hypertension (BP >160/100), ischemic heart disease, congestive heart failure, valvular heart disease or cardiomyopathy
  • Known allergy or sensitivity to atropine or ipratropium bromide
  • Abnormal entry laboratory values at baseline except for the following tests, where values outside the normal limits will be acceptable as follows: Hct ≥ 30%, platelet count > 100,000, ALT and AST < 1.5 x upper normal limit
  • Known bleeding disorders, platelet count <100,000, PT or PTT > 1.5 x normal control (if participating in bronchoscopy sub-study)
  • Known allergy to lidocaine (if participating in bronchoscopy sub-study)
  • Documented or self-reported current history of alcoholism or drug abuse
  • Participation in another research trial within 30 days of starting this trial
  • Unwillingness or inability to comply with study procedures
  • Inability to swallow the study medication capsule
  • Use of any exclusion medication within the time period specified
  • Pregnant or nursing
  • Receiving allergen immunotherapy (desensitization injections)

研究组 & 干预措施

Placebo

Placebo Comparator

Placebo

干预措施: Placebo (Drug)

Active, nadolol

Experimental

Active

干预措施: Nadolol (Drug)

结局指标

主要结局

The change in methacholine provocative concentration causing a 20% fall (PC20) based on forced expiratory volume in 1 second (FEV1) between baseline visit and final dose dispensing visit.

时间窗: 4 months

次要结局

未报告次要终点

研究者

发起方
Invion, Inc.
申办方类型
Industry
责任方
Sponsor

研究点 (3)

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