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AsthmaNCT01525381

Strategies to Improve Asthma and Treatment of Asthma in Canadians

An observational study of Asthma, run by Ottawa Hospital Research Institute at 1 site in Canada.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Our study will enroll 644 randomly-selected Canadians who have been diagnosed with asthma by a physician within the previous five years. It will be determined what diagnostic tests were initially performed to make this diagnosis. Read more about this study

Who is it for?
Ages 18 to 100 years
Conditions the study is for
Asthma
How many people
701 participants
Where
1 siteCanada
Study dates
Nov 2011to Mar 2016
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 100 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Canadians diagnosed with Asthma and 18 years of age and older.

Who may be able to join

  • Patient must have a recent diagnosis of asthma by a physician. Diagnosis of asthma must have occurred within 5 years prior to entry into the study.
  • Patient must be at least 18 years old.

Who cannot join

  • Patients in whom methacholine challenge is contraindicated
  • Patients using chronic oral prednisone.
  • Patients with heart attack or stroke within three previous months, and those with known aortic or cerebral aneurysms.
  • Pregnant patients (unknown effect of methacholine on the fetus) and breastfeeding patients (unknown whether methacholine is excreted in breast milk).
  • Patients unable to provide informed consent.
  • Patients not able to perform spirometry and/or methacholine challenge testing.
Show all 10Show fewer
  • Patients who have a greater than 10 pack-year smoking history (this will exclude patients with possible COPD).
  • Patients who currently have active pulmonary Tuberculosis
  • Patients who have had eye surgery in the past 3 months or who have a detached retina
  • Patients involved in another interventional asthma study

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • Ottawa Hospital

    Ottawa, Ontario, K1H 8L6

Other trials in Canada

About this study

Official title: Strategies to Improve Diagnosis and Treatment of Asthma in Canadians

Our study will enroll 644 randomly-selected Canadians who have been diagnosed with asthma by a physician within the previous five years. It will be determined what diagnostic tests were initially performed to make this diagnosis. Participants will undergo lung function testing over 6-8 weeks to determine their respiratory status and to confirm they have asthma. Participants may be followed up to one year depending on their test results.

Conditions
Asthma
Medical subject headings
Asthma

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Feb 2012 (estimated)
  2. Study startNov 2011
  3. Primary completionApr 2015
  4. Study completionMar 2016

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
701 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01525381
Sponsor's protocol ID
2011-221
Status last verified
Mar 2016
First submitted
31 Jan 2012
Last updated
31 Mar 2016
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

An observational study of Asthma, run by Ottawa Hospital Research Institute at 1 site in Canada.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 31 Mar 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 31 Mar 2016.

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Clinical Trial NCT01525381 | AzTrials