aPBI Re-irradiation
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: Reirradiation.
- Who it may be relevant to
- Registry conditions: Breast Cancer Recurrent. Basic parameters: from 40 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- United States
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Unsure about the terms? Read our patient guide →
Official title
REPEAT: RE-irradiation With a Partial brEast, Accelerated Technique: A Single-Center, Multi-site, Prospective, Phase I/II Clinical Trial
Overview
This study is to determine whether acute treatment-associated adverse events following breast re-irradiation with aPBI are acceptably low and to assess local control following breast re-irradiation with aPBI. An exploratory aim is to assess cosmetic outcomes following breast re-irradiation with aPBI.
Interventions
- Radiation Reirradiation
aPBI, which is routinely used to treat patients who have previously not been irradiated, with a dose of 30 Gy in 5 fractions using a VMAT technique.
Primary outcome measures
- Treatment-associated toxicity [Time frame: Within 1 year]
Eligibility criteria
Inclusion criteria
- Patients who have histologically-confirmed, second, ipsilateral breast cancer which was diagnosed more than one year after completing breast conserving therapy.
- Patients must have received prior radiotherapy to the breast
- Patients must have an intact, involved breast.
- Patients must meet ASTRO 2023 guidelines for a strong recommendation for partial breast irradiation.
- Grade 1-2 disease
- ER-positive histology
- Tumor size up to 2 cm
- Patient's age 40 or older
- Patients who will undergo breast radiation therapy at D-H Lebanon, D-H St. Johnsbury, or Cheshire Medical Center.
- Patients must have a lumpectomy cavity that can be delineated on CT scan.
- Patients who are able to provide informed consent.
- Females of childbearing potential must have a negative urine or serum pregnancy test within 14 days of study entry.
- Females of childbearing potential must not be pregnant and not lactating and willing to use medically acceptable form of contraception during radiation therapy.
Exclusion criteria
Patients who meet any of the criteria below may NOT participate in this study:
- Patients who have not received prior radiotherapy to the ipsilateral breast.
- Patients who do not meet ASTRO 2023 guidelines for a strong recommendation for partial breast irradiation, including those who meet criteria for conditionally recommended, conditionally not recommended, and not recommended for partial breast irradiation.
- Patients who are < 40 years of age.
- Patients with breast implants or other breast reconstruction.
- Patients who received a prior course of aPBI or breast brachytherapy in the ipsilateral breast.
- Patients who are actively receiving treatment or within 1 year of treatment from another malignancy, excluding non-melanoma skin cancers.
- Patients who are pregnant.
- Patients who are unable to provide informed consent.
- Patients who decline participation in the study.
- Patients with active systemic lupus erythematosus, or any history of scleroderma, dermatomyositis with active rash are excluded.
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Allocation
- N/A
- Model
- Single group
- Masking
- Open label
- Primary purpose
- Treatment
Study locations
United States · 1 center
- Dartmouth-Hitchcock Medical Center — Lebanon
Identifiers
NCT: NCT07612254 · Study02002817 · 25JAR817