- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01727011
Single Fraction Elderly Breast Irradiation (SiFEBI) (SIFEBI)
A Phase I-II Trial Evaluating the Toxicity of Early Breast Partial Irradiation in Patients Aged at Least of 70 Years With Breast Cancer at Low Risk of Local Recurrence
Irradiation and Accelerated Partial Breast (IPAS) to this day remains a therapeutic concept whose validity is being assessed on its non-inferiority in terms of local control compared to whole breast irradiation. At least eight phase III trials attempting to answer this question and thus provide a sufficient level of evidence to make this concept a new standard of care for sub-groups of patients well defined (1).
However, without waiting for the final results of these randomized trials (which will not be fully valid with a drop of at least ten years), the American societies (ASTRO) and European (ESTRO) radiotherapy have all two proposed classification (very similar) into 3 groups according to the risk to the patient in terms of local recurrence after IPAS. And are defined by the ESTRO:
- The low-risk group ("suitable" for ASTRO)
- The intermediate-risk group ("cautionary" in ASTRO)
- The high-risk group ("not suitable" for ASTRO) (2.3). Therefore, it is possible to propose to a patient a randomized clinical tria IPAS, to subject it belongs to the group "low risk." The results of phase II trials as a long-term analysis of the matched team of William Beaumont Hospital (4) and the phase III trial using intra-operative radiation photons in low energy X whose results were recently published (5) confirm the value of this new therapeutic concept for post-operative breast cancer at low risk of local recurrence.
In France, the therapists were quickly directed to a sub-population for which the IPAS could represent a real improvement in the therapeutic management in significantly reducing the number of irradiation sessions of thirty in 6 weeks 5 days at 10 in a single view (6). Several French phase II trials were started specifically targeting the female population aged using a balloon catheter (MammoSite ®) (7) or by intra-operative radiation électronthérapie (8). The results of the test using the GERICO-03 brachytherapy with high dose rate (promoter: FNCLCC, National Federation of Anti Cancer Centres , recently merged into Group Health Cooperation entitled UNICANCER) are currently submitted to Journal Green Radiotherapy (Radiotherapy and Oncology from 09/11/11) (9).
On a technical level, two main approaches are used (10):
- Irradiation intraoperative electron or low-energy photons,
- Radiation after surgery The advantage of intraoperative irradiation is the optimal reduction of total processing time radio-surgery because the patient is irradiated during the lumpectomy. However, 15-20% of these patients receive partial breast irradiation, as histo-prognostic criteria provided in the histologically final report, confirm the non-adapted indication of IPAS (5).
In contrast, the post-operative IPAS can treat only patients meeting all criteria for IPAS but treatment-related travel are about 5 treatments for bi-fractionated (2 sessions per days separated by at least 6 hours).
Study Overview
Detailed Description
Single dose intraoperative issued by electrontherapy or low energy photons (50 Kv) is 21 Gy (5.11). However, these doses reported in the irradiated volume are not equivalent. Indeed, with electrontherapy, it is a complete volume of mammary parenchyma that is irradiated, whereas with low energy photon therapy (X 50 KV) is a "shell" of 5 mm thick which is treated knowing that to 10 mm from the surface of the sphere of treatment, the gland received only 50% of the dose initially prescribed. On interstitial brachytherapy with high dose rate, it has a dose escalation due to intrinsic volumes located within the irradiated area that will receive a higher dose than prescribed (12). It is this variation in dose within the target volume which can be efficiency, but also which can induce the toxicity of interstitial brachytherapy. The linear quadratic model to calculate the biological equivalence of 2 Gy irradiation scheme most often hypofractionned, is theoretically applicable for doses per fraction less than 8 Gy. Nevertheless, the authors using the IPAS intra-operative (electrons, photons) apply this method of calculation for doses of 21 Gy in one fraction.
In our study, we propose to treat these patients with a total dose of 16 Gy in one fraction. This dose is calculated taking into account a report alpha/beta for the breast, on the order of 3.4 Gy for late toxicity and 4.6 Gy for local control (13). Applying the linear-quadratic model with alpha/beta for the breast of 4, 16 Gy in one fraction is calculated as radio-biologically equivalent to 53 Gy in conventional fractionation (14,15). Biological Equivalence of this dose is between the dose in the protocols IPAS intraoperative electron or X-ray photons of 50 kV (21 Gy in one fraction, 87 Gy EQD2 alpha/beta 4.6) (5.8) and the post-operative irradiation of 34-38 Gy in 10 fractions, 5 days (42 Gy EQD2 alpha/beta 4.6.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Nice, France, 06189
- Centre Antoine Lacassagne
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Patient WITHinvasive breast cancer histologically proved: ductal, lobular, medullary, papillary, tubular or colloid:
- All grades histo-prognostic
- pT1 tumor size (<20 mm),
- healthy Margins surgical
- unifocal lesion
- Any hormone receptor,
- Any Her2 status,
- No lymph node (sentinel lymphadenectomy or) or micrometastases (pN0, pN1mic)
- Age greater than or equal to 70 years
- Score Balducci I or II,
- Karnofsky index greater than or equal to 70%
- Time between lumpectomy and radiation less than 2 weeks
- Implementation of clips in the tumor bed intraoperatively,
- Patient having taken note of the information note and who signed the informed consent
- Patient receiving social security coverage.
Exclusion Criteria:
- Lobular carcinoma in situ or pure ductal carcinoma in situ or non-epithelial tumor type sarcoma or lymphoma,
- Component extensive ductal in situ associated
- Peritumoral lymphatic emboli,
- Distance Metastasis
- Inflammatory Breast Cancer,
- Multifocal tumor (covering a total distance inter-end of 40 mm or more)
- Previous treatment for this tumor including breast radiotherapy and / or chemotherapy neoadjuvant or adjuvant
- History of plastic surgery breast
- Unknown or safety margins positive for invasive carcinoma
- Absence of clips in the tumor bed,
- Time between lumpectomy and radiation greater than or equal to 2 weeks
- Active infection or other serious comorbidity that could prevent the patient receiving the treatment,
- History of cancer other than a basal cell skin or carcinoma in situ of the cervix or other cancer in complete remission for more than 5 years
- Psychiatric illness
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: IPAS
Once the patient recorded in the trial, and after completion of a post-implant dosimetry scanner to analyze the dose distribution within the target volume and organs at risk, the patient is treated by irradiation and partial accelerated breast brachytherapy using high dose rate, delivering a total dose of 16 Gy in one fraction
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Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Rate of Acute Toxicity Within 180 Days of IPAS Mono Split Postoperatively in Patients Aged at Least of 70 Years With Breast Cancer at Low Risk of Local Recurrence (Low Risk Group of ESTRO IPAS Classification ESTRO)
Time Frame: 180 days
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Rate of acute toxicity evaluated by a clinical examination, in consultation with the radiotherapist to 30, 90 days and 180 days. Common Toxicity Criteria classification for Adverse Events (CTCAE) in its fourth version is used. |
180 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluation of the Quality of Life
Time Frame: 180 days
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Analysis of the impact on self assessment by onco-geriatric aesthetic result evaluation Dosimetric data analysis in order to propose dose constraints for future inverse planning
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180 days
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Jean-Michel HANNOUN LEVI, Phd, Centre Antoine Lacassagne
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2012/09 - SIFEBI
- 2012-A00745-38 (Registry Identifier: 2012-A00745-38)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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