Optimal inhalation profiles from dry powder inhalers

Optimal inhalation profiles from dry powder inhalers - Optimal inhalation profiles from DPI

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000024622

Enrollment

Registered

2016-11-02

Start date

2016-02-05

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

bronchial asthma chronic obstructive pulmonary disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients with bronchial asthma or chronic obstructive pulmonary disease who regularly visit respiratory medicine department of Shonan Fujisawa Tokushukai Hospital, and voluntarily agreed to the study after hearing precise explanation of the study.

Exclusion criteria

Exclusion criteria: Those who fell into acute exacerbation at the time of study.

Design outcomes

Primary

Measure	Time frame
Amount of drug release from the dry powder inhaler in response to different inhaled flow patterns (in vitro study)	—

Secondary

Measure	Time frame
Similarity of patients' inhaled flow patterns from dry powder inhalers to those from in vitro studies (in vivo study)	—

Countries

Japan

Contacts

Public ContactTetsuri Kondo

Shonan Fujisawa Tokushukai Hospital Respiratory Medicine

tetsuri@ctmc.jp0466-35-1177

Outcome results