Dose Reduction in Thoracic CT

April 20, 2007 updated by: University Health Network, Toronto

Dose Reduction in Thoracic CT: A Comparison of on Line Automatic Dose Reduction and a 50% Reduction in Dose

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

Study Overview

Status

Completed

Conditions

Intervention / Treatment

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

Enrollment

100

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Canada
    • Ontario
      • Toronto, Ontario, Canada
        • Toronto General Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients with Lymphoma

Exclusion Criteria:

  • No recent (<3 months) thoracic CT

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Evaluating the diagnostic quality of thoracic CT exams performed at 50% of standard dose parameters

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University Health Network, Toronto

Investigators

  • Principal Investigator: Narinder Paul, FRCP C, University Health Network, Toronto

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2004

Study Completion

August 1, 2005

Study Registration Dates

First Submitted

September 12, 2005

First Submitted That Met QC Criteria

September 12, 2005

First Posted (Estimate)

September 16, 2005

Study Record Updates

Last Update Posted (Estimate)

April 23, 2007

Last Update Submitted That Met QC Criteria

April 20, 2007

Last Verified

September 1, 2005

More Information

Terms related to this study

Other Study ID Numbers

  • 03-0875

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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