Dose Reduction in Thoracic CT

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00188461
Recruitment Status : Completed
First Posted : September 16, 2005
Last Update Posted : April 23, 2007
Information provided by:
University Health Network, Toronto

Brief Summary:
Hypothesis: Does a 50% reduction in radiation in dose significantly affect the diagnostic quality of chest CT

Condition or disease Intervention/treatment Phase
Lymphoma Device: CT Thorax Phase 1

Detailed Description:
Patients with Lymphoma are recruited and have a follow up CT performed at 50% of the standard exposure parameters. The studies are compared for image quality with a recent (<3 months) thoracic CT performed at standard exposure parameters.

Study Type : Interventional  (Clinical Trial)
Enrollment : 100 participants
Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Diagnostic
Official Title: Dose Reduction in Thoracic CT: A Comparison of on Line Automatic Dose Reduction and a 50% Reduction in Dose
Study Start Date : January 2004
Study Completion Date : August 2005

Resource links provided by the National Library of Medicine

U.S. FDA Resources

Primary Outcome Measures :
  1. Evaluating the diagnostic quality of thoracic CT exams performed at 50% of standard dose parameters

Information from the National Library of Medicine

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Ages Eligible for Study:   16 Years and older   (Child, Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients with Lymphoma

Exclusion Criteria:

  • No recent (<3 months) thoracic CT

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00188461

Canada, Ontario
Toronto General Hospital
Toronto, Ontario, Canada
Sponsors and Collaborators
University Health Network, Toronto
Principal Investigator: Narinder Paul, FRCP C University Health Network, Toronto Identifier: NCT00188461     History of Changes
Other Study ID Numbers: 03-0875
First Posted: September 16, 2005    Key Record Dates
Last Update Posted: April 23, 2007
Last Verified: September 2005