breast cancer
Conditions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patholog ically proven ductal carcinoma in situ or invasive ductal carcinoma (usual type) 2.Single lesion, tumor 2 cm or less on MRI: which is classified as Stage 0-I (UICC) 3.No lymphovascular space involvement, no extensive intraductal carcinoma 4.Luminal A like sub type (in case the patient has IDC) 5.Performance status 0 to 2 6.Age 50 years old and over 7.No other life-threatening illness 8.Written informed consent
Exclusion criteria
Exclusion criteria: 1.Severe complication 2.Previous treatment for the breast cancer 3.Active double primary tumor 4.Tumor invasion to skin or chest wall 5.Distance between tumor border to skin less than 5mm 6.Previous irradiation at tumor site 7.Medically, psychologically or other reason who are not suitable for candidate
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| In phase I: Acute toxicities of normal tissue Evaluation of dose limiting toxicities In phase II: Primary local effect (non-PD rate) | — |
Countries
Japan
Contacts
National Institutes for Quantum and Radiological Sciences and Technology QST Hospital