NCT00188487

Brief Summary

Asthma is a disease of small airways. Affected areas have reduced lung ventilation causing reflex vasoconstriction. MR perfusion imaging of the lungs is a sensitive method of imaging zonal lung perfusion.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
80

participants targeted

Target at P75+ for phase_1 asthma

Timeline
Completed

Started Sep 2005

Shorter than P25 for phase_1 asthma

Geographic Reach
1 country

1 active site

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2005

Completed
11 days until next milestone

First Submitted

Initial submission to the registry

September 12, 2005

Completed
4 days until next milestone

First Posted

Study publicly available on registry

September 16, 2005

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2005

Completed
Last Updated

June 17, 2024

Status Verified

June 1, 2024

First QC Date

September 12, 2005

Last Update Submit

June 14, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • The correlation of MR lung perfusion analysis with computed tomography (CT) findings and pulmonary function tests

Interventions

Eligibility Criteria

Age16 Years+
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • All asthmatic patients are eligible.

You may not qualify if:

  • Patients in whom MRI is contraindicated

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Toronto General Hospital

Toronto, Ontario, Canada

Location

MeSH Terms

Conditions

Asthma

Interventions

Magnetic Resonance Imaging

Condition Hierarchy (Ancestors)

Bronchial DiseasesRespiratory Tract DiseasesLung Diseases, ObstructiveLung DiseasesRespiratory HypersensitivityHypersensitivity, ImmediateHypersensitivityImmune System Diseases

Intervention Hierarchy (Ancestors)

TomographyDiagnostic ImagingDiagnostic Techniques and ProceduresDiagnosis

Study Officials

  • Narinder Paul, FRCP C

    University Health Network, Toronto

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER

Study Record Dates

First Submitted

September 12, 2005

First Posted

September 16, 2005

Study Start

September 1, 2005

Study Completion

December 1, 2005

Last Updated

June 17, 2024

Record last verified: 2024-06

Locations