Physician diagnosed asthma; the value of re-testing negatives in the absence of corticisteroids

Physician diagnosed asthma; the value of re-testing negatives in the absence of corticisteroids - PDA via ACDC

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON35129

Enrollment

100

Registered

2011-10-31

Start date

2011-09-15

Completion date

Unknown

Last updated

2024-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

asthma

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Negative result of a metacholine provocation test

Exclusion criteria

Exclusion criteria: Pregnancy Legally incapable

Design outcomes

Primary

Measure	Time frame
• Mannitol provocation test • Bronchial Hyperresponsiveness Questionnaire	—

Secondary

Measure	Time frame
• Nitrogenmonoxide during expiration • Asthma Control Questionnaire • Behaviour of the GP after advice of the Astma COPD Diagnose Centrum	—

Countries

Netherlands

Outcome results