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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT01851161
Other study ID # MCC-12806
Secondary ID NCI-2013-00848HM
Status Terminated
Phase N/A
First received April 26, 2013
Last updated September 16, 2015
Start date May 2010
Est. completion date September 2015

Study information

Verified date September 2015
Source Virginia Commonwealth University
Contact n/a
Is FDA regulated No
Health authority United States: Institutional Review Board
Study type Observational

Clinical Trial Summary

This clinical trial studies prone patient positioning in reducing tumor motion and improving breathing reproduction in patients with lung cancer undergoing radiation therapy. Prone patient positioning during radiation therapy may help kill tumor cells without harming normal tissue.


Description:

PRIMARY OBJECTIVES:

I. Quantify the three-dimensional tumor and normal tissue (thoracic and abdominal) motion, deformation and volume changes with the respiratory cycle during imaging in prone vs. supine positioning.

II. Quantify the three-dimensional tumor and normal tissue (thoracic and abdominal) motion, deformation and volume changes with the respiratory cycle and alterations thereof during a radiotherapy series.

OUTLINE:

Patients undergo one conventional computed tomography (CT) scan and one 4 dimensional CT (4D CT) scan in both supine and prone positioning before undergoing radiation therapy.


Recruitment information / eligibility

Status Terminated
Enrollment 23
Est. completion date September 2015
Est. primary completion date April 2015
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Measurable disease on the planning computed tomography (CT) scan

- Patients with lung cancer visible on fluoroscopic imaging or planning CT who are scheduled to receive external beam radiation treatment will be eligible for this study

Exclusion Criteria:

- Patients requiring continuous supplemental oxygen due to the requirement of spirometry during all imaging studies

- Pregnant females

Study Design

Observational Model: Case Control, Time Perspective: Prospective


Related Conditions & MeSH terms


Intervention

Procedure:
computed tomography
Undergo conventional CT scan in both supine and prone positioning
4-dimensional computed tomography
Undergo 4D CT scan in both supine and prone positioning
Radiation:
radiation therapy
Undergo radiation therapy

Locations

Country Name City State
United States Virginia Commonwealth University, Massey Cancer Center Richmond Virginia

Sponsors (1)

Lead Sponsor Collaborator
Virginia Commonwealth University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Consistency of the respiratory pattern, quantified by the cycle-to-cycle variation in the respiration trace during imaging in prone vs. supine positioning During the 4D CT patient respiration trace will be recorded using the RPM optical tracking device. The average and standard deviation of the amplitude, period, end of inhalation position, and end of exhalation position of the respiration trace will be calculated. Paired t tests and F tests will be used to evaluate differences between these quantities for supine and prone positioning. up to 90 days No
Primary Consistency of the respiratory pattern, quantified by the cycle-to-cycle variation in the respiration trace during a radiotherapy series During the 4D CT patient respiration trace will be recorded using the RPM optical tracking device. The average and standard deviation of the amplitude, period, end of inhalation position, and end of exhalation position of the respiration trace will be calculated. Paired t tests and F tests will be used to evaluate differences between these quantities for supine and prone positioning. up to 90 days No
Primary Motion of the tumor and normal tissue evaluated in reference to the bony anatomy (vertebra) The prone and supine image data acquired before the treatment onset will be used for planning. The computation of the doses will be performed on the dataset corresponding to the average position over the breathing pattern, based on previous studies indicating that a dose computation on this dataset approximates with sufficient accuracy the dose that will be received by the patient. The distributions of the tumor and normal tissue volumes in the prone and supine scans will be derived and the volume consistency will be assessed using the mean and the standard deviation of these distributions. up to 90 days No
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