Clinical trial NCT06910280: Evaluation of the Feasibility of a Study Comparing Local Anesthesia and General Anesthesia in Conservative Surgery for Breast Cancer
Official title: Evaluation of the Feasibility of a Study Comparing Local Anesthesia and General Anesthesia in Conservative Surgery for Breast Cancer
Study type: INTERVENTIONAL
Overall status: NOT_YET_RECRUITING
Phase: NA
Conditions: Breast Cancer
Keywords: breast cancer
conservative surgery
local anesthesia
quality of life
Lead sponsor: Centre Hospitalier Universitaire de Besancon
Sponsor class: OTHER
First posted: 2025-04-04
Enrollment: 60
Sex: FEMALE
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: SCREENING

Brief summary: The conservative surgery for breast cancer is the first treatment for cancer and includes :

* A partial mastectomy (removal of part of the breast)
* A sentinel lymph node analysis, depending on the case (analysis of the first lymph node(s) draining the affected breast).

This is a common procedure in the gynecology operating room, usually performed under general anesthesia. However, with surgical advancements and less invasive procedures, it has become possible and common for patients to undergo surgery in our department under local anesthesia. No data in the medical literature has yet evaluated this new anesthetic approach.

Through this study, we aim to assess the feasibility and acceptability of partial mastectomy surgery with sentinel lymph node removal under either local anesthesia or general anesthesia.

The ultimate goal of this study is to allow future patients to benefit from faster outpatient surgery, requiring less hospital stay, and to continue the progress of minimizing surgical interventions that has already been successfully undertaken in breast cancer treatment.

This is an interventional study because it involves randomization, which determines for each enrolled patient whether they will receive general anesthesia or local anesthesia. It is a feasibility and acceptability study

It is important to note that the surgery itself will not differ between the two groups: only the method of anesthesia will change. This research is being conducted at the University Hospital of Besançon and only at this center.


Eligibility criteria: Inclusion Criteria:

* Female over 18 years of age
* Diagnosis of invasive breast cancer (histological proof via breast biopsy)
* Tumor size less than or equal to clinical T2 according to the current cTNM classification for breast cancer"
* No clinical and/or radiological evidence of lymph node involvement
* Affiliation to a French social security scheme or beneficiary of such a scheme
* Approval in the multidisciplinary tumor board meeting for conservative treatment with partial mastectomy combined with sentinel lymph node biopsy
* Signed informed consent indicating that the patient understands the purpose and procedures required by the study and agrees to participate in the study and comply with its requirements and restrictions

Exclusion Criteria:

* Severe and morbid obesity (BMI strictly greater than 35)
* Emaciation (BMI strictly less than 18.5)
* Contraindication to the medications used in the protocol
* Contraindication to general anesthesia
* Contraindication to the local anesthesia protocol
* Tumor considered non-resectable under local anesthesia according to the surgeon's assessment
* Bifocal tumor
* Associated oncoplastic procedure
* Contralateral surgical procedure (implantable port placement, mastopexy, partial or total mastectomy)
* Withdrawal of consent prior to surgery
* Legal incapacity or limited legal capacity
* Non-fluency in the French language or poor understanding as anticipated by the investigator
* Subject without health insurance
* Pregnant woman
* Subject currently in the exclusion period of another study or listed in the national volunteer registry

Primary outcomes:
measure: Evaluate the overall feasibility of a prospective randomized two-arm protocol: 'Local Anesthesia' and 'General Anesthesia' in the context of partial mastectomy combined with sentinel lymph node study.
timeFrame: 2 years
measure: Evaluate the overall feasibility of a prospective randomized two-arm protocol: 'Local Anesthesia' and 'General Anesthesia' in the context of partial mastectomy combined with sentinel lymph node study.
timeFrame: 2 years
measure: Evaluate the overall feasibility of a prospective randomized two-arm protocol: 'Local Anesthesia' and 'General Anesthesia' in the context of partial mastectomy combined with sentinel lymph node study.
timeFrame: 2 years
measure: Evaluate the overall feasibility of a prospective randomized two-arm protocol: 'Local Anesthesia' and 'General Anesthesia' in the context of partial mastectomy combined with sentinel lymph node study.
timeFrame: 3 months
Secondary outcomes:
measure: Describe the effectiveness and success of conservative surgery, including partial mastectomy combined with sentinel lymph node biopsy under non-tumescent local anesthesia without sedation in breast cancer
timeFrame: 3 months
measure: Quantify postoperative pain in both arms of the study
timeFrame: 15 days
measure: Quantify postoperative satisfaction and well-being in both arms of the study.
timeFrame: 3 months
measure: Describe the oncological, anesthetic, and surgical safety of the surgical procedure in both arms of the study.
timeFrame: 3 months
Other outcomes:
Locations:
city: Besancon
country: France
facility: CHU de Besancon
state: Franche Comte
Study officials:
References:
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