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The pulmonary function features of patients with well controlled bronchial asthma: a case control study

The pulmonary function features of patients with well controlled bronchial asthma: a case control study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-ROC-17011937
Enrollment
Unknown
Registered
2017-07-10
Start date
2015-05-12
Completion date
Unknown
Last updated
2017-07-17

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

Conditions

bronchial asthma

Interventions

case group:inhale ICS/LABA
control group:inhale ICS/LABA

Sponsors

the fifth affiliated hospital of Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 63 Years

Inclusion criteria

Inclusion criteria: The inclusion criteria of asthma patients are as follows: patients aged 18-65 years; patients with an asthma diagnosis for more than 1 year; patients whose most recent two follow-ups with ACQ score 70% of the predicted value; patients whose medication to achieve the current control is an inhaled corticosteroid/long-acting beta-agonist (ICS/LABA), with ICS at a low to moderate dose (equivalent to 200-800 µg/day of budesonide); and patients with no other airway or lung disorders.

Exclusion criteria

Exclusion criteria: 1. Patients with pregnancy; 2. immunocompromised patients; 3. Patients who can't temporally withdraw the antihistamines, beta blocker, or beta agonist drugs; 4. Patients with severe hepatic or renal dysfunction; 5. Patients with arrhythmias.

Design outcomes

Primary

MeasureTime frame
spirometry parameters;airway impedance;airway impedence;

Countries

China

Contacts

Public ContactZheng Xiaobin

the fifth affiliated hospital of Sun Yat-sen University

zhxbin@sysu.edu.cn+86 13926927856

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026