Cyberknife After Breast Conservative Surgery

Status Recruiting

Clinical Trial Summary

Accelerated partial breast irradiation with CyberKnife (CK-APBI) is a promising innovative approach for early breast cancer after conservative surgery, for addressing the need of a radiotherapy target only to the surgical cavity in selected patients, exceeding the limits of other PBI/APBI.

Clinical Trial Description

The large majority of local recurrences in breast cancer after breast conserving treatment are close to the original tumor site. This evidence suggested to restrict the radiotherapy target to the surgical cavity in selected patients. Consequently, shorter fractionation strategies focused only on tumor bed with a small cuff of surrounding subclinical disease, i.e. accelerated partial breast irradiation (APBI), were developed. Stereotactic radiotherapy was thought, consisting of a short course of intense treatment focused on the target tissue. There is very little experience with CiberKnife for early breast cancer until now.

This study is a prospective non-randomized study designed to assess the acute, sub-acute, late toxicity, cosmesis and globally the feasibility of CyberKnife (CK-APBI). From June 2013 to June 2018 we are going to enroll 80 patients considered eligible for the present study. All patients will be followed for at least 2 years. A first enrollment of 20-25 patients is scheduled as first assessment.

Breast magnetic resonance imaging (MRI) will be aided to mammography and ultrasound examination for confirming the best selection of patients.

For the assessment of acute toxicity, cosmetic results by three different observers (physician, patient, external observer), medium term and late toxicity, patients were evaluated and the results recorded immediately before and after radiotherapy, then after 1 month, three, six, nine, and twelve, and twenty-four months. The toxicity will be correlated to the main radiotherapy treatment dosimetry and delivery recorded. ;

Study Design

Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02896322
Study type	Interventional
Source	Fondazione IRCCS Istituto Nazionale dei Tumori, Milano
Contact	Roberto Agresti, MD
Phone	02-2390
Email	roberto.agresti@istitutotumori.mi.it
Status	Recruiting
Phase	N/A
Start date	June 2013
Completion date	June 2018

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.