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Robotic vs. Open NSM for Early Stage Breast Cancer

A Prospective, Multicenter Randomized Controlled Trial(RCT) of the da Vinci® SP™ Surgical System vs Open Surgery in Nipple Sparing Mastectomy (NSM) Procedures

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05720039
Acronym
SP NSM
Enrollment
204
Registered
2023-02-09
Start date
2023-05-08
Completion date
2031-03-01
Last updated
2026-02-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast, Breast Cancer, Breast Cancer, Early-Onset, Breast Cancer Female, Breast Disease

Keywords

robotic, NSM, Nipple sparing mastectomy, da Vinci, breast cancer, mastectomy, breast, USA, robot, SP System, Single-port

Brief summary

This study evaluates the safety and effectiveness of the da Vinci SP Surgical System compared to Open NSM in Nipple Sparing Mastectomy procedures.

Detailed description

This study is a prospective, two-arm, multi-center, randomized controlled clinical investigation between RSNM and open NSM. This study evaluates the safety and effectiveness of the da Vinci SP Surgical System compared to Open NSM in Nipple Sparing Mastectomy procedures.

Interventions

Robotic-assisted Nipple sparing mastectomy procedures

PROCEDUREOpen NSM

open nipple-sparing mastectomy procedures

Sponsors

Intuitive Surgical
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Subjects undergo nipple-sparing mastectomy (NSM) procedures using the da Vinci SP Surgical System or open NSM

Eligibility

Sex/Gender
FEMALE
Age
21 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Female age 21 or older * BMI \< 30 * Candidate for an NSM procedure with immediate reconstruction * Diagnosis of early stage brest cancer * Breast ptosis ≤ Grade 2. * Cup size ≤ C.

Exclusion criteria

* Previous breast surgery * Diagnosis of metastatic breast cancer * Prior radiation treatment to the chest * Current smokers * Contraindication for general anesthesia or surgery. * Known bleeding or clotting disorder. * Pregnant or suspected to be pregnant, or actively breastfeeding

Design outcomes

Primary

MeasureTime frameDescription
Safety: positive surgical margin ratesUp to 42 days post-operativelyIncidence of positive surgical margins compared to open NSM
Conversion rateAssessed during procedureConversion is defined as conversion of da Vinci Xi robotic-assisted surgery to open surgery
Safety: Adverse event ratesUp to 42 days post-operativelyIncidence of intraoperative and post-operative procedure and device-related adverse events compared to open NSM

Secondary

MeasureTime frameDescription
Oncological Outcomes (for overall survival)Up to 5 yearsOverall survival
Patient-Report Outcomes (BREAST-Q)Up to 5 yearsBREAST-Q
Patient-Report Outcomes (EQ-5D)Up to 1 yearEQ-5D
Patient-Report Outcomes (NAC Questionnaire)Up to 5 yearsNAC Questionnaire
Oncological Outcomes (for cancer recurrence)Up to 5 yearsRecurrence
Oncological Outcomes (for disease-free survival)Up to 5 yearsDisease-free survival

Countries

United States

Contacts

STUDY_DIRECTORMadhu Gorrepati

Intuitive

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 25, 2026