Intraoperative Radiotherapy After Local Recurrence in Breast Cancer
RE-IORT01
Feasibility Clinical Trial of Intraoperative Radiotherapy (IORT) and Second Breast-conserving-surgery After Local Recurrence of Breast Carcinoma
1 other identifier
interventional
66
1 country
8
Brief Summary
The investigators propose a prospective, multicenter, single arm Phase II design to evaluate the feasibility of repeated breast-conserving surgery combined with re- irradiation using IORT after local recurrence of breast carcinoma.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Mar 2014
Longer than P75 for not_applicable
8 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 1, 2014
CompletedFirst Submitted
Initial submission to the registry
March 2, 2015
CompletedFirst Posted
Study publicly available on registry
March 11, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 12, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
September 18, 2023
CompletedResults Posted
Study results publicly available
February 6, 2025
CompletedFebruary 6, 2025
February 1, 2025
6.3 years
March 2, 2015
December 27, 2023
February 4, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
The Tolerance of RIOP (Intra Operative Radiotherapy) in Patients With Delayed Local Recurrences, After a Second Conservative Treatment of Breast Cancer
Fibrosis rate of RIOP grade 2 at 12 months of IORT (Intra Operative Radiotherapy) according to NCI CTCAE v4.0 classification grade 0 is the better outcomes Grade \>= 2 is the worse outcomes
Up to 12 months post radiation
Secondary Outcomes (6)
Rate of Early and Late Toxicities
from the baseline to 5 years after treatment
Local Relapse-free Survival
from the baseline to 5 years after treatment
Metastasis Relapse-free Survival
from the baseline to 5 years after treatment
Disease-free Survival.
from the baseline to 5 years after treatment
Overall Survival
from the baseline to 5 years after treatment
- +1 more secondary outcomes
Study Arms (1)
surgery and Intra Operative Radiotherapy
EXPERIMENTALSurgery : Tumorectomy will be performed according to the current standards, obtaining "clear" margins. The axillary lymph node control will depend on the initial management (clinical and ultrasound) of these N0 patients, chosen by the teams. Intra Operative Radiotherapy (IORT): After the excision of the tumor, IORT will be delivered. A single dose of 20 Gy by 50 kV photons (Intrabeamâ„¢) will be administered in tumor bed. The addition of IORT does not modify the surgical procedure.
Interventions
Tumorectomy will be performed according to the current standards, obtaining "clear" margins. The axillary lymph node control will depend on the initial management (clinical and ultrasound) of these N0 patients, chosen by the teams.
After the excision of the tumor, IORT will be delivered. A single dose of 20 Gy by 50 kV photons (Intrabeamâ„¢) will be administered in tumor bed. The addition of IORT does not modify the surgical procedure
Eligibility Criteria
You may qualify if:
- Histologically proven non-lobular invasive breast recurrence
- Time from whole breast radiation following the initial lumpectomy \>5 years
- Unifocal tumor
- Recurrent tumor size ≤ 2 cm
- Adequate breast size for a second breast-conserving surgery with acceptable cosmetic result
- Bilateral breast mammogram within 90 days prior to study entry
- Breast MRI within 90 days prior to study entry
- Histological grade I-II
- Estrogen-receptor-positive tumor (ER+)
- Cerb2-negative tumor
- Prior radiotherapy delivered within a standard fractionation schedule
- Performance status (ECOG) 0-1
- Women ≥ 50 years -Absence of any psychological, familial, sociological, or geographical conditions with a potential to hamper compliance with the study and follow- up schedule
- Affiliated to the French Health Insurance regimen
- Written and signed informed consent form.
You may not qualify if:
- Multifocal and/or multicenter recurrence
- Lobular carcinoma
- Estrogen-receptor-negative tumor (ER-)
- Cerb2 (her2) overexpressed - breast cancer
- Extensive intraductal component (EIC) on biopsy
- Lymph vessel invasion on biopsy
- N1-3 status: Regional cytological or histologically proven node recurrence
- M1 status: Metastatic disease
- cT4 (Skin or muscle involvement) or Paget's disease of the nipple
- Prior radiotherapy delivered within an accelerated or hypo-fraction schedule
- Prior malignancy other than non-melanoma skin cancer unless the patient has been disease free for at least 5 years
- Patients with a small breast volume, technically unsatisfactory for a second conservative surgery or intraoperative breast irradiation.
- Preoperative chemotherapy or hormone therapy for local relapse
- Connective tissue disease or scleroderma, contraindicating radiotherapy
- Known BRCA1/2 gene mutation (genetic testing is not required)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (8)
Institut Bergonié
Bordeaux, 33000, France
Chu Brest
Brest, France
Centre George Francois Leclerc
Dijon, France
Centre Léon Bérard
Lyon, 69, France
CHU La TIMONE
Marseille, 13, France
Institut Paoli Calmette
Marseille, 13, France
ICM
Montpellier, 34298, France
Institut de Cancérologie de l'Ouest
Nantes, France
Related Publications (73)
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PMID: 21097541BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Mme Aurore Moussion, Director of Direction of Clinical Research and Innovation
- Organization
- INSTITUT REGIONAL DU CANCER DE MONTPELLIER Cancer de Montpellier
Study Officials
- STUDY CHAIR
LEMANSKI Claire
Institut régional du Cancer - Val d'Aurelle
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 2, 2015
First Posted
March 11, 2015
Study Start
March 1, 2014
Primary Completion
June 12, 2020
Study Completion
September 18, 2023
Last Updated
February 6, 2025
Results First Posted
February 6, 2025
Record last verified: 2025-02