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Intensity Modulated Radiotherapy for Breast Cancer

Intensity Modulated Radiation Therapy for Breast Cancer: A Phase I Feasibility Study

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00594477
Acronym
IMRT
Enrollment
100
Registered
2008-01-15
Start date
2008-01-04
Completion date
2016-08-08
Last updated
2017-08-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer

Keywords

IMRT, breast cancer with regional nodal metastasis

Brief summary

This study delivers radiation therapy to any residual breast tissue and the chest wall plus lymph node areas around the breast. These lymph node areas are under the arm, around the collar bone, and under the sternum (breastbone).

Detailed description

IMRT treatment uses a computer-controlled x-ray (CT) to deliver radiation beams at several different angles and strengths to deliver precise doses to the regions at risk for recurrence of breast cancer while reducing or sparing the dose to critical structures (heart, lungs) and nearby normal tissue.

Interventions

RADIATIONIMRT

Sponsors

Washington University School of Medicine
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Female gender * Age ≥ 18 years * Invasive primary female breast cancer * Pathologically proven regional nodal metastasis * Status post mastectomy or partial mastectomy with an assessment of axillary nodes via sentinel lymph node biopsy and/or axillary lymph node dissection. * Signed study specific consent form

Exclusion criteria

* Distant metastasis * Currently Pregnant * Psychiatric or addictive disorders that preclude informed consent * Time from initial diagnosis to the start of radiation therapy \> one year * Estimated life expectancy judged to be \< one year * Prior radiation to the ipsilateral breast or chest wall * Primary breast cancer is lymphoma or sarcoma * Patients being treated with concurrent chemotherapy.

Design outcomes

Primary

MeasureTime frameDescription
Evaluate the feasibility of adjuvant comprehensive radiation therapy via IMRT with daily set-up position verified using 3D verificationWithin 1 year of protocol registrationThe study will be deemed infeasible if greater than 10% of enrolled patients have at least one of the following outcomes: 1. Patient cannot be given the treatment because her anatomy is such that a dosimetrically satisfactory treatment plan cannot be devised for her. 2. Within 1 year of protocol registration, the patient develops radiation pneumonitis toxicity of greater than or equal to grade 3 by CTCAE scales. 3. Within 1 year of protocol registration, the patient develops any local or regional breast cancer recurrence. 4. Within 1 year of protocol registration, the patient dies from causes judged to be related to her treatment.

Secondary

MeasureTime frameDescription
Evaluate the rate and severity of both acute and late cutaneous toxicity6-8 months following completion of treatment and 12-14 months following completion of treatment
Evaluate the rate and severity of late subcutaneous fibrosis6-8 months following completion of treatment and 12-14 months following completion of treatment
Evaluate ipsilateral upper quadrant functionPretreatment and 3-4 months following completion of treatmentFor patients who receive physical therapy, objective measures of the rotator cuff, bursa, and joint space will be evaluated by diagnostic ultrasound if medically indicated.
Evaluate the rate of radiation pneumonitis6-8 weeks following completion of treatment, 3-4 months following completion of treatment, 6-8 months following completion of treatment, and 12-14 months following completion of treatment
Evaluate local-regional control rates12-14 months following completion of radiation therapy
Evaluate patient set-up reproducibility in breast cancer patients treated with IMRT using daily 3D position verification12-14 months following completion of treatment
Evaluate patient quality of lifePretreatment, 6-8 months following completion of treatment, and 12-14 months following completion of treatment

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026