The Comparison Study on Accuracy of Peak Expiratory Flow Rate Measurement by PRAAN, the Spirometry, and the Mini-Wright Peak Flow Meter

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20230816002

Enrollment

Registered

2023-08-16

Start date

2023-10-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Asthma Asthma Peak flow meter Spirometry

Interventions

Healthy subjects aged 18 years or more without any diseases

Device Feasibility

Healthy

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Heathy subjects without any diseases, 2. Age 18 years or more

Exclusion criteria

Exclusion criteria: 1. Inability to spirometry or peak flow measurement, 2. active repiratory infections e.g., pulmonary TB, COVID-19, common cold

Design outcomes

Primary

Measure	Time frame
Peak expiratory flow rate obtained by PRAAN At the beginning of the study Liters per minute,Peak expiratory flow rate obtained by spirometry At the beginning of the study Liters per minute,Peak expiratory flow rate obtained by Mini-Wright peak flow meter At the beginning of the study Liters per minute	—

Secondary

Measure	Time frame
Prevalence of low peak expiratory flow rate obtained by PRAAN At the beginning of the study Percent,Prevalence of low peak expiratory flow rate obtained by spirometry At the beginning of the study Percent,Prevalence of low peak expiratory flow rate obtained by Mini-Wright peak flow meter At the beginning of the study Percent	—

Countries

Thailand

Contacts

Public ContactNarongkorn Saiphoklang

Faculty of Medicine, Thammasat University

M_narongkorn@hotmail.com6629269794

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026