- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03126487
High Intensity Focused Ultrasound Guided by MRI as Thermic Destruction in Primitive Small Size Breast Cancer (MRHEATBREAST)
High Intensity Focused Ultrasound Guided by MRI as Thermic Destruction in Primitive Small Size Breast Cancer. Phase II Pilot Study : Effectiveness and Procedures Standardization
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Conservative Breast Treatment (BCT) :
The reference treatment for patients with stage T1 breast cancer is a partial mastectomy followed by radiotherapy (breast). This is a conservative treatment (BCT). Indeed, the survival results of this combined treatment are equivalent to those observed after a total mastectomy alone and is an aesthetically and psychologically more acceptable proposition for patients.
Adjuvant radiotherapy is an essential component of the success of conservative therapy most likely due to the impossibility of surgical treatment of removing all microscopically viable cancer cells. Indeed, in the absence of radiotherapy, partial mastectomy shows a local recurrence rate of 20-40% in case of N0 and 25-50% in case of N + on long-term follow-up data.
The results of the literature are very variable according to the length of the follow-up and the population studied but the adjuvant radiotherapy clearly allows to increase the rate of local control.
It reduces local recurrences to 10% at 12 years in the case of radiotherapy in the breast and 6% in case of boost on the tumor area.
The high sensitivity of breast MRI and emerging issues. The development of breast MRI revealed the incidental discovery of 10 to 40% of additional breast cancer in patients initially explored by mammography and ultrasound standards. These cancers discovered at early stages and of small size complicate the strategy of local management and incite to develop techniques alternative to the surgery.
Several minimally invasive treatments for the local treatment of breast cancers are being studied: BLES (Breast Lesion Excision Sample), cryotherapy, radiofrequency, laser and microwaves. Among them, focused ultrasound offers a completely non-invasive heat ablation technique.
High intensity focused ultrasound (FUS) and magnetic resonance imaging (MRI) guidance = FUS-MRI High intensity focused ultrasound thermal ablation is an attractive treatment modality for solid tumors because it does not require incision. Moreover, coupled with magnetic resonance, it offers precise targeting and control destruction.
An ablation procedure begins with the acquisition of a series of MRI images centered on the organ to be treated. The radiologist loads the images onto the processing machine and identifies the target volume to be destroyed by segmenting it from the MRI images. The console provides a treatment plan with the necessary parameters to efficiently process the defined region.
High intensity focussed ultrasonic destruction is possible due to the elevation of temperature at the focal point. By analogy, one can compare the technique to the use of a magnifying glass to focus the sun's rays and trigger a flame. In ultrasound diagnostic ultrasound is used without convergence of beams. In the therapeutic application, it is the focusing at a point and the use of high intensities which make it possible to deliver energy in the form of heat. This step is called "sonication". Sonication heats the tissue between 65 and 85 ° C in the well-defined region of the focal point and causes tissue thermo-coagulation.
MRI images acquired during heating allow real-time monitoring of the rise in temperature. This makes it possible to check the position of the sonication and the size of the zone thus coagulated. The sonications are thus repeated at multiple adjacent points to cover the prescribed ablation volume.
This combination of FUS-MRI has already shown convincing results on bone, prostate and uterine fibroid tumors, so the hypothesis is that it has a potential interest in the conservative treatment of breast cancer.
The Ex-Ablate 2000 system (trade name) It is a machine incorporating FUS-MRI technology. It consists of a high intensity focused ultrasound transducer mounted in the MRI examination table.
With its precision and unique ability to follow ablation, Ex-Ablate has been used in many tumor contexts and has demonstrated its ability to provide significant tumor destruction on small volumes.
On the breast, the system showed promising results in several Phase II protocols on the treatment of breast tumors with good aesthetic results and no major toxicity.
These arguments justify the choice of using Ex-Ablate as a means of thermic destruction for small size breast cancer.
Study Type
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:
- Woman with invasive unifocal and unilateral noninflammatory ductal breast cancer.
- Age> 18 years.
- Size ≤ 10 mm (measured by MRI).
- Histological confirmation of breast cancer by biopsy with sufficient material to estimate grade, hormonal status and HER2 status.
- Lesion well delineated in MRI after injection of gadolinium and certain ultrasound correlation with the biopsy lesion.
- Distance> 10 mm between the tumor and the skin and between the tumor and the muscle.
- Performance status 0 or 1
Biological exam according to the following standards:
Neutrophiles> 1.5 x 109 / L Hemoglobin> 9 g / dL Plates> 100 x 109 / L ASAT - ALAT <2.5 x ULN Bilirubin <1.5 x ULN Creatinine <150 μmol / L and> 60 μmol / L Clearance> 30 ml / min
- Informing the patient or her legal representative and signing the informed consent
- Patient with Health care insurance available
Exclusion Criteria:
- Invasive lobular carcinoma or extensive in-situ component or only presence of micro-calcifications as a disease sign
- MRI or uncorrelated ultrasound lesion
- Distance <10 mm between the tumor and the skin or nipple or chest cage or muscle
- PS <2
- Patient weighing more than 110 Kg
- Breast Implants
- History of breast irradiation
- History of surgery on the breast to be treated (fibrous scar, staples or surgical clips)
- Treatment with antiaromatase, tamoxifen or neoadjuvant chemotherapy within 30 days of treatment start
- History of severe cerebrovascular disease (cerebrovascular accident within 6 months prior to inclusion) or hemolytic anemia (hematocrite <30)
- Patient with cardiac disorders (severe hypertension, antiarrhythmic treatments, history of cardiac ischemia) 1
2. Patient under dialysis 13. Patient under anti-coagulant treatment 14. Patient refusing surgery or for which surgery is contraindicated 15. Contraindication to the realization of MRI or thermo-ablation treatment 16. Patient has a contraindication to Gadolinium 17. Vulnerable persons are defined in Article L1121-5 to -8: Pregnant women, and nursing mothers, persons deprived of their liberty by a judicial or administrative decision, persons admitted without consent under Articles L. 3212-1 and L. 3213-1 who are not covered by the provisions Of Article L. 1121-8 and persons admitted to a health or social institution for purposes other than research Persons of legal age who are under protection or who are unable to give their consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: HIGH INTENSITY FOCUSED ULTRASOUND
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HIGH INTENSITY FOCUSED ULTRASOUND GUIDED BY MRI AS THERMIC DESTRUCTION
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Histological analysis of the surgical specimen will identify the tissue destroyed by ultrasound, residual healthy tissue and possibly residual viable cancerous tissue.
Time Frame: up to 24 months
|
All surgical specimens will be collected and analyzed in full.
The sterility of the surgical specimen will be assessed using the score proposed by the EORTC-STBSG (FUS-MRI) in the local treatment of infra-centimetric breast cancer by histological confrontation of the surgical specimen
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up to 24 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Early skin toxicity is assessed until surgery
Time Frame: up to 24 months
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clinical examination (radiation oncologist) using NCI-CTCAE version 4.03 for erythema, telangiectasia and edema,
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up to 24 months
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The quality of life will be measured before treatment on D0, and during the visit between D21 and D28 using the QLQ-C30 questionnaire - breast module BR23-version 3.
Time Frame: up to 24 months
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The quality of life will be measured before treatment on D0, and during the visit between D21 and D28 using the QLQ-C30 questionnaire - breast module BR23-version 3.
|
up to 24 months
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: CHRISTINE LOVERA, MRS, CENTRE ANTOINE LACSSAGNE
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2015/36
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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