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Inspiratory Flow Using the Osmohaler

This study has been completed.
Information provided by:
Pharmaxis Identifier:
First received: September 16, 2007
Last updated: April 7, 2008
Last verified: April 2008

The OsmohalerTM is a registered device in Australia. It is used to deliver a dry powder a commercial preparation of mannitol registered as AridolTM to test if a person has irritable airways such as active asthma.

The overseas regulatory authorities need to know that people of all ages can achieve an adequate inspiratory flow through this device during a controlled deep inspiration. Adequate flow is generally regarded as greater than 30 litres per minute in children and 60 litres per minute in adults. The OsmohalerTM is a device with low resistance and is already in use in Australia to deliver mannitol. However there is a need to document inspiratory flows through the device during a controlled deep inspiration. The protocol requires subjects to perform a controlled deep inspiration from the device on three or five occasions. No substance will be inhaled.


Study Type: Observational
Study Design: Time Perspective: Prospective
Official Title: Inspiratory Flow and VOlumes in Asthmatic and Healthy Individuals Using the Osmohaler

Further study details as provided by Pharmaxis:

Estimated Enrollment: 30
Study Start Date: November 2007
Study Completion Date: February 2008
Primary Completion Date: February 2008 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   6 Years to 69 Years   (Child, Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • has asthma or is healthy
  • aged 6 to 69 years inclusive
  • FEV1 >/= 70% predicted

Exclusion Criteria:

  • has condition contraindicating performance of spirometrt
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00531414

Sponsors and Collaborators
Principal Investigator: Sandra Anderson Royal Prince Alfred Hospital, Sydney, Australia
  More Information Identifier: NCT00531414     History of Changes
Other Study ID Numbers: DPM-OSM-401
Study First Received: September 16, 2007
Last Updated: April 7, 2008

Keywords provided by Pharmaxis:
healthy processed this record on August 18, 2017