asthma
Item
asthma diagnosed by a physician at least 1 year prior to study enrollment
boolean
C0004096 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
poorly controlled asthma
Item
poorly-controlled asthma at study enrollment
boolean
C0004096 (UMLS CUI [1,1])
C3853134 (UMLS CUI [1,2])
non-smokers and smoking history
Item
non smokers (stopped smoking at least 1 year ago) and limited life-time history of smoking
boolean
C0337672 (UMLS CUI [1])
C1519384 (UMLS CUI [2])
body mass index
Item
body mass index 30-60
boolean
C1305855 (UMLS CUI [1])
methacholine challenge
Item
responds to methacholine challenge test with pc20 of <16 mg/ml
boolean
C0430567 (UMLS CUI [1])
inhaled corticosteroid
Item
on a stable dose of inhaled corticosteroid for at least 4 weeks prior to study entry
boolean
C0586793 (UMLS CUI [1])
fev1
Item
fev1 >60% predicted
boolean
C0748133 (UMLS CUI [1])
weighing compliance
Item
able to obtain weekly weights at home
boolean
C1321605 (UMLS CUI [1,1])
C1305866 (UMLS CUI [1,2])
systemic steroids
Item
systemic steroids within the past 4 weeks
boolean
C2825233 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
lung diseases
Item
lung pathology other than asthma
boolean
C0024115 (UMLS CUI [1])
comorbidity
Item
other significant non-pulmonary co-morbidities such as: coronary artery disease, peripheral vascular disease, cerebrovascular disease, congestive heart failure with an ejection fraction <50%, liver disease or elevated liver enzymes at baseline, malignancy (excluding non-melanoma skin cancers), aids, renal failure with serum creatinine >3.0, or disorders requiring steroid treatment such as vasculitis, lupus, rheumatoid arthritis
boolean
C0009488 (UMLS CUI [1])
bnp
Item
b-type natriuretic peptide (bnp) >400 pg/ml
boolean
C1095989 (UMLS CUI [1])
pregnant or lactating
Item
pregnant or lactating
boolean
C0032961 (UMLS CUI [1])
C0006147 (UMLS CUI [2])
beta blocker cyp2c8 inhibitor
Item
currently taking a beta blocker, a cyp2c8 inhibitor or inducer such as gemfibrozil or rifampin, a tzd (thiazolidinedione), or allergic to tzd
boolean
C0001645 (UMLS CUI [1])
C1382144 (UMLS CUI [2,1])
C1999216 (UMLS CUI [2,2])
C3898767 (UMLS CUI [2,3])
C1257987 (UMLS CUI [3])
antioxidant or nutritional supplements
Item
taking antioxidants or nutritional supplements (stable dose of calcium, vitamin d, or multivitamin is ok)
boolean
C0003402 (UMLS CUI [1])
C0242295 (UMLS CUI [2])
illicit drug use
Item
illicit drug use within the past year
boolean
C2239127 (UMLS CUI [1])
upper respiratory infection
Item
current/active upper respiratory infection (if active uri, wait until asymptomatic for 1 week to enroll)
boolean
C0041912 (UMLS CUI [1])
asthma exacerbation
Item
asthma exacerbation within the past 4 weeks (includes er, urgent care, or hospital visits due to asthma resulting in an increase in asthma-related medications)
boolean
C0349790 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
C0583237 (UMLS CUI [2])
C0019993 (UMLS CUI [3])
sleep apnea
Item
undergoing evaluation for sleep apnea, or plans to institute treatment for sleep apnea (patients on a stable treatment regimen for sleep apnea for the last 3 months will be allowed to participate)
boolean
C0037315 (UMLS CUI [1])
12-lead ecg
Item
clinically significant abnormalities present on screening 12-lead electrocardiogram
boolean
C0430456 (UMLS CUI [1,1])
C1704258 (UMLS CUI [1,2])
childbearing potential and contraception
Item
women of childbearing potential using oral contraceptives who are not willing to use a second method of contraception during the study
boolean
C3831118 (UMLS CUI [1])
C0700589 (UMLS CUI [2])