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Assessment of Ability of Breath Hold for Left-sided Breast Cancer Radiation Therapy to Reduce Side Effects to Heart

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: NCT01849614
Recruitment Status : Completed
First Posted : May 8, 2013
Last Update Posted : May 12, 2016
Information provided by (Responsible Party):
UNC Lineberger Comprehensive Cancer Center

Brief Summary:
The purpose of this research study is to demonstrate that Deep Inspiration Breath Hold (DIBH), the technique used at the University of North Carolina (UNC) for left-side breast cancer radiation therapy, can reduce side effects to the heart.

Condition or disease Intervention/treatment
Breast Cancer Other: Cardiac SPECT perfusion scan

Detailed Description:
The primary objective of this study is to estimate the rate of radiation-associated regional myocardial perfusion defects in patients 6 months after breast/chestwall radiation with DIBH for left-sided breast cancer. Cardiac perfusion will be assessed using SPECT cardiac perfusion scans pre- and 6 months post-radiation.

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Study Type : Observational
Actual Enrollment : 25 participants
Observational Model: Cohort
Time Perspective: Prospective
Official Title: Prospective Pilot Study of Assessment of Breath Hold as a Means to Mitigate the Risk of Radiation-associated Reductions in Regional Cardiac Perfusion in Patients With Left-sided Breast Cancer
Study Start Date : March 2013
Actual Primary Completion Date : March 2016
Actual Study Completion Date : March 2016

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Breast Cancer

Group/Cohort Intervention/treatment
Patient group
Women with left-sided breast cancer
Other: Cardiac SPECT perfusion scan
A SPECT cardiac perfusion scan provides a three-dimensional map of blood flow to the heart tissue. The scan will be taken at rest only.

Primary Outcome Measures :
  1. Changes in cardiac perfusion [ Time Frame: 6-months post radiation ]
    Cardiac perfusion will be assessed using SPECT cardiac perfusion scans pre- and 6 months post-radiation. Any post-radiation summed-rest score (SRS) > 0 will be counted as a perfusion defect in the calculation of the perfusion defect rate.

Secondary Outcome Measures :
  1. Wall-motion abnormalities [ Time Frame: 6-months post-treatment ]
    The incidence of wall-motion abnormalities will be assessed using SPECT in the same 12 segment scoring system used to quantify perfusion. Wall-motion abnormalities will be recorded as present or absent in each cardiac segment. When present, wall-motion abnormalities wil be classified as gypokinetic, akinetic, or dyskinetic. The extent of wall involvement (small or large portion) will be described as mild or severe.

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years to 99 Years   (Adult, Older Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Women with left-sided breast cancer

Inclusion Criteria:

  • signed an Institutional Review Board (IRB)-approved informed consent document for protocol
  • age >= 18 years
  • histologically confirmed left-sided breast cancer scheduled to undergo curative intent radiation treatment post lumpectomy or mastectomy
  • stage 0-III left-sided breast cancer (including DCIS)
  • SPECT score of 0 at baseline
  • radiation oncologist agrees target volume coverage will not be compromised via use of the DIBH technique along with conformal field shaping

Exclusion Criteria:

  • active cardiac disease, defined as a history of angina, arrhythmias, myocardial infarction, congestive heart failure, or any other cardiac condition, which in the opinion of the treating physician would make this protocol unreasonably hazardous for the patient
  • symptomatic pulmonary disease currently requiring regular medication including but not restricted to bronchodilators
  • concurrent chemotherapy
  • prior receipt of mediastinal radiation therapy
  • pregnant or lactating women
  • inability to understand and follow breathing instructions for the DIBH procedure

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): NCT01849614

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United States, North Carolina
University of North Carolina at Chapel Hill, Department of Radiation Oncology
Chapel Hill, North Carolina, United States, 27599
Sponsors and Collaborators
UNC Lineberger Comprehensive Cancer Center
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Principal Investigator: Timothy M Zagar, MD University of North Carolina, Chapel Hill
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Responsible Party: UNC Lineberger Comprehensive Cancer Center Identifier: NCT01849614    
Other Study ID Numbers: LCCC1239
First Posted: May 8, 2013    Key Record Dates
Last Update Posted: May 12, 2016
Last Verified: May 2016
Additional relevant MeSH terms:
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Breast Neoplasms
Unilateral Breast Neoplasms
Neoplasms by Site
Breast Diseases
Skin Diseases