NIPH Clinical Trials Search

UMIN ID: UMIN000002159

Registered date:03/07/2009

Evaluation of index for the diagnosis of asthma

Basic Information

Recruitment status Complete: follow-up complete
Health condition(s) or Problem(s) studiedbronchial asthma
Date of first enrollment2009/01/01
Target sample size125
Countries of recruitmentJapan
Study typeObservational


Primary OutcomeThe following parameter of each index for the diagnosis of asthma; 1) Sensitivity(%) and Specificity(%) 2) PPV(Positive Predictive Value:%), NPV(Negative Predictive Value:%) 3) ROC curve (Receiver-Operator Characteristic curve) 4) Area under the ROC curve
Secondary Outcome

Key inclusion & exclusion criteria

Age minimum20years-old
Age maximumNot applicable
GenderMale and Female
Include criteria
Exclude criteria1) Patient who used anti-inflammatory drugs (oral/inhaled/nasal steroid, leukotriene receptor antagonist, chemical mediator release inhibitor, Th2 cytokine inhibitor, or slow-release theophylline) within the past four weeks 2) Patient who was affected with respiratory tract infection within the past three weeks 3) Patient with a history of asthma 4) Patient with breast abnormality detected by a chest X-ray 5) Patient who occurs with the following pulmonary diseases: bronchiectasis, primary pulmonary cancer, connective tissue disease, pulmonary hypertension, and/or cystic disease of the lungs 6) Patient who smoked within the past year

Related Information


public contact
Name Kazuo Hirono
Address 2-2-2 Nakanoshima, Kita-ku, Osaka, Japan Japan
Telephone 06-4716-3315
Affiliation MC&P Co., Ltd. Medical Sciences Marketing Division
scientific contact
Name Hironori Sagara
Address 2-1-50 Minamikoshigaya, Koshigaya, Saitama 343-8555, Japan Japan
Telephone 06-4706-3315
Affiliation Dokkyo Medical University Koshigaya Hospital Department of Respiratory Medicine