|
Inclusions |
Exclusions |
Population |
Overweight and/or obese participants of any age with diagnosed or self-reported asthma or wheezing |
Animals studies |
Population not overweight or obese at baseline |
Intervention |
Behavioral, pharmacological, or surgical interventions for weight loss, maintenance of lost weight, weight maintenance, or weight gain prevention. |
Intervention not focused on weight loss, maintenance of lost weight, weight maintenance, or weight gain prevention |
With the following characteristics: |
Duration: short term (≤6 mos), intermediate (>6 mos and ≤12 mos), long term (>12 mos) |
Delivery: group and/or individual |
Frequency of contact: any |
Comparator |
Usual care |
None |
No or minimal intervention |
Attention control intervention |
Alternative active intervention |
Outcome |
One or more of the following asthma related outcomes as primary outcome(s): |
Results are not reported according to randomized treatment or treatment groups |
Asthma or wheezing symptoms |
Lung function |
Asthma medication use |
Asthma-specific quality of life |
Asthma-specific health care utilization |
One or more of the following weight related outcomes: |
Weight (kg, lbs, %) |
Body fat measures (BMI, BMI z-score, waist circumference, waist-hip ratio, % body fat) |
Weight loss maintenance |
Percent reduction of excess weight |
Timing |
Follow-up period: any length |
None |
Setting |
Any clinical or research setting |
None |
Study Design |
RCTs |
Systematic reviews/Meta-analyses |
Post hoc analyses of large RCTs if analyses of original randomized comparisons are included |
Non-RCT original studies |
Sample size: any size |
RCTs but with results not compared according to randomized treatment assignments. |
|
Dropout rate≥40 percent at the study-defined primary endpoint |
|
Studies with <10 subjects per treatment arm |
Publication Type |
Published original research studies |
Systematic reviews/Meta-analyses |
Unpublished literature |
Unpublished industry-sponsored trials |
Other unpublished data |
FDA Medical and Statistical reviews |
Theses |
Studies published only as abstracts |
Letters |
Commentaries and opinion pieces |
Non-systematic reviews |
Language |
Full-text articles must be available in English |
Non-English |