Is there a difference in lung function during bronchial challenge testing between obese and non-obese subjects with asthma?

Professor Robin Taylor, principle investigator, Respiratory Research Unit, Department of Medical and Surgical Sciences, University of Otago, Dunedin New Zealand0 sites30 target enrollmentOctober 27, 2006

ConditionsAsthma Obesity Respiratory - Asthma Diet and Nutrition - Obesity

Overview

Phase: 未知
Intervention: Not specified
Conditions: Asthma
Sponsor: Professor Robin Taylor, principle investigator, Respiratory Research Unit, Department of Medical and Surgical Sciences, University of Otago, Dunedin New Zealand
Enrollment: 30
Status: Not yet recruiting
Last Updated: 6 years ago

Overview Investigators Eligibility Criteria Outcomes Similar Trials

Overview

Brief Summary

No summary available.

Registry

who.int

Start Date

October 27, 2006

End Date

TBD

Last Updated

6 years ago

Study Type

Observational

Sex

Female

Investigators

Sponsor

Professor Robin Taylor, principle investigator, Respiratory Research Unit, Department of Medical and Surgical Sciences, University of Otago, Dunedin New Zealand

Eligibility Criteria

Inclusion Criteria

•A previous diagnosis of asthma (according to ATS criteria) and a positive methacholine challenge (PD20 \<8 micromol if on not on corticosteroid inhalers and PD¬20 \< 12 micromol if on corticosteroid inhalers).

Exclusion Criteria

•Pregnancy, males, smokers or ex\-smokers (less than 10 pack year history and no cigarettes for in the last year), patients on oral corticosteroids, any patient with cardiac or neurological co\-morbidity, any patient who has had a respiratory tract infection in the previous 6 weeks and for safety reasons, FEV1 less than 60% predicted or less than 1\.5 litres at baseline, when stable.