Robotic Nipple-Sparing Mastectomy Vs Conventional Open Technique

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

82 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-03-31

Study Completion Date

2023-12-10

Brief Summary

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This trial is designed to compare robotic nipple-sparing mastectomy and immediate robotic breast reconstruction with conventional open technique. It is a prospective randomized trial evaluating patients satisfaction

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Detailed Description

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High proportion of patients with newly diagnosed early-stage breast cancer in Europe and US undergo to mastectomy. The absolute numbers of mastectomy rates in US is still today around 38% and represent one of the most performed operation for cancer reasons. Despite the lack of a natural cavity needed for endoscopic viewing, applications of robotic surgery have recently emerged for superficial organs such as in the fields of thyroidectomy, oropharyngeal surgery, plastic and reconstructive surgery. However, it has never been applied in breast cancer except for a feasibility and safety study conducted at European Institute of Oncology.

The technique was firstly published by Toesca et al. considering the first 3 cases. The same research as continued on breast cancer evaluating feasibility, reproducibility and safety studying 26 consecutive procedures of robotic nipple sparing mastectomy and immediate robotic breast reconstruction (article under peer to peer review at European Journal of Surgical Oncology, EJSO). In these initial cases of robotic nipple sparing mastectomy and immediate breast reconstruction authors found two main advantages such as the robotic optical vision and the minimal invasiveness. The two main limitations noticed in this initial experience were the duration of operating time and the additional costs related to the operation. The limitations of the applicability of robotic surgery to the breast, such as operating time and costs, might be offset by the advantages they observed such as better vision and minimally invasive approach with an anatomically more respectful mastectomy.

This project is a superiority trial comparing robotic nipple sparing mastectomy and immediate breast robotic reconstruction with conventional open technique.

The primary end-point is to evaluate patient satisfaction. Second end-point is to compare post-operative outcome considering complications, post-operative pain, reduction of the average length of stay of patients, long term oncological outcome of the two different surgical techniques.

Patients will be randomized into two treatment arms:

A. Open nipple-sparing mastectomy and immediate breast reconstruction with implant (Open NSM) B. Robotic nipple-sparing mastectomy and immediate robotic breast reconstruction with implant (Robotic NSM) Both arms will undergo to the same pre-surgical staging, intra-operative axillary surgical staging, post-operative multidisciplinary evaluation and adjuvant treatments according to international and internal protocols.

Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Open NSM

Conventional Nipple Sparing Mastectomy

Group Type ACTIVE_COMPARATOR

Open NSM

Intervention Type PROCEDURE

Open nipple-sparing mastectomy and immediate breast reconstruction with implant

Robotic NSM

Robotic Nipple-Sparing Mastectomy

Group Type EXPERIMENTAL

Robotic NSM

Intervention Type PROCEDURE

Surgical technique conducted using robot to perform nipple sparing mastectomy and breast reconstruction

Interventions

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Robotic NSM

Surgical technique conducted using robot to perform nipple sparing mastectomy and breast reconstruction

Intervention Type PROCEDURE

Open NSM

Open nipple-sparing mastectomy and immediate breast reconstruction with implant

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Invasive breast cancer, Ductal Carcinoma In Situ, Breast Related Cancer Antigens mutation carriers.
* Any age
* Candidates to nipple-sparing mastectomy and immediate breast reconstruction
* Negative preoperative assessment of nipple-areola complex
* Absence of skin involvement
* Low probability to have positivity of nipple-areola complex tissue intra-operative frozen section
* Breast volume ≤ Bra IV; from cup A to D
* No hard smoking (hard smoking defined as \>20 cigarettes/day)
* Low and intermediate risk for anesthesia (ASA Scale)
* Written informed consent must be signed and dated by the patient and the investigator prior to inclusion
* Patients must be accessible for follow-up

Exclusion Criteria

* Previous thoracic radiation therapy for any reason
* Inflammatory Breast Cancer
* Skin involvement
* Pre-operative diagnosis (radiological or cytological) of nipple-areola complex disease
* Pregnancy
* Patients with psychiatric, addictive, or any disorder, which compromises ability to give informed consent for participation in this study
* Uncompensated Diabetes Mellitus
* Hard smokers (hard smoking defined as \>20 cigarettes/day)
* High risk for anesthesia

Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No