Does overweight change the pattern of lung function during the airway narrowing of asthma?

Not Applicable

• Conditions: Asthma; Obesity; Respiratory - Asthma; Diet and Nutrition - Obesity

• Registration Number: ACTRN12606000455561
• Lead Sponsor: Professor Robin Taylor, principle investigator, Respiratory Research Unit, Department of Medical and Surgical Sciences, University of Otago, Dunedin New Zealand

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2006-10-27
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: ot yet recruiting
• Sex: Female
• Target Recruitment: 30

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.

Study & Design

• Study Type: Observational
• Study Design: Not specified