Robotic Versus Conventional or Endoscopic Nipple Sparing Mastectomy for Breast Cancer

Summary

This study will retrospectively collect and evaluate the surgical outcomes of robotic nipple sparing mastectomy (R-NSM) compared with endoscopic assisted NSM (E-NSM) or conventional NSM (C-NSM) in the management of breast cancer. Multi-centers pooled data analysis would be performed for comparisons of R-NSM compared with C-NSM or E-NSM.

Conditions

• Breast Cancer Female

Interventions

DEVICE

Robotic assisted nipple sparing mastectomy (R-NSM)

R-NSM, which introduce da Vinci surgical platform through a small extra-mammary axillary or lateral chest wound to perform NSM, had been applied in the surgical treatment of early breast cancer or risk reducing mastectomy. R-NSM, which incorporated 3-dimensional (3D) imaging system and flexibility of robotic arm and instruments, was reported to have the potential to overcome the technique difficulty of E-NSM.

PROCEDURE

conventional nipple sparing mastectomy (C-NSM)

Nipple-sparing mastectomy (NSM), which preserved the nipple areolar complex (NAC) and skin flap during mastectomy, was increasingly performed in breast cancer patients due to better cosmetic outcome, higher patient satisfaction, and maintained oncologic safety.

PROCEDURE

Endoscopic assisted nipple sparing mastectomy (E-NSM)

E-NSM, which is performed through small axillary and/or peri-areolar incisions, was reported to be associated with small inconspicuous incision and good cosmetic outcome. Conventional E-NSM was performed with two separate incisions over axilla and peri-areolar regions. E-NSM with areolar incision, just like NSM with areolar related incision (NAC ischemia/necrosis rate: range 7%-81.8%), was associated with increased NAC ischemia/necrosis (reported ranged: 9.1-19%). New technique modifications of E-NSM were emerging focusing on single axillary incision NSM, which spare the peri-areolar incision and thereby decrease the compromise of bloody supply from mastectomy skin flap, was reported to have low NAC necrosis rate (0%).

Sponsors & Collaborators

• Ministry of Science and Technology, Taiwan

  collaborator OTHER_GOV

• Intuitive Surgical

  collaborator INDUSTRY

• Changhua Christian Hospital

  lead OTHER

Principal Investigators

• Hung-Wen Lai, MD, PhD · Changhua Christian Hospital

Study Design

Allocation

NON_RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Model

PARALLEL

Eligibility

Min Age

20 Years

Max Age

80 Years

Sex

FEMALE

Healthy Volunteers

No

Timeline & Regulatory

Start

2019-08-22

Primary Completion

2021-07-31

Completion

2021-12-31

FDA Device

Yes

Countries

• Italy
• South Korea
• Taiwan

Study Locations