Robotic vs. Open NSM for Early Stage Breast Cancer
SP NSM
A Prospective, Multicenter Randomized Controlled Trial(RCT) of the da Vinci® SP™ Surgical System vs Open Surgery in Nipple Sparing Mastectomy (NSM) Procedures
1 other identifier
interventional
204
1 country
15
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started May 2023
Longer than P75 for not_applicable
15 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 17, 2023
CompletedFirst Posted
Study publicly available on registry
February 9, 2023
CompletedStudy Start
First participant enrolled
May 8, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2031
ExpectedFebruary 24, 2026
February 1, 2026
2.8 years
January 17, 2023
February 20, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Conversion rate
Conversion is defined as conversion of da Vinci Xi robotic-assisted surgery to open surgery
Assessed during procedure
Safety: Adverse event rates
Incidence of intraoperative and post-operative procedure and device-related adverse events compared to open NSM
Up to 42 days post-operatively
Safety: positive surgical margin rates
Incidence of positive surgical margins compared to open NSM
Up to 42 days post-operatively
Secondary Outcomes (6)
Oncological Outcomes (for cancer recurrence)
Up to 5 years
Oncological Outcomes (for disease-free survival)
Up to 5 years
Oncological Outcomes (for overall survival)
Up to 5 years
Patient-Report Outcomes (BREAST-Q)
Up to 5 years
Patient-Report Outcomes (NAC Questionnaire)
Up to 5 years
- +1 more secondary outcomes
Study Arms (2)
Robotic NSM with da Vinci SP
EXPERIMENTALSubjects randomized to this arm will undergo robotic NSM (RNSM) procedures
Open NSM
ACTIVE COMPARATORSubjects randomized to this arm will undergo conventional open NSM procedures
Interventions
Robotic-assisted Nipple sparing mastectomy procedures
Eligibility Criteria
You may qualify if:
- 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.
You may not qualify if:
- 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
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (15)
City of Hope
Irvine, California, 92618, United States
Cedars-Sinai
Los Angeles, California, 940048, United States
Mayo Clinic Florida
Jacksonville, Florida, 32224, United States
Emory University
Atlanta, Georgia, 30342, United States
Endeavor Health
Evanston, Illinois, 60201, United States
Corewell
Detroit, Michigan, 48073, United States
Mayo Clinic Rochester
Rochester, Minnesota, 55902, United States
Washington University, St. Louis
St Louis, Missouri, 63110, United States
Northwell Health
Lake Success, New York, 11042, United States
Duke University
Durham, North Carolina, 27710, United States
University of Pennsylvania
Philadelphia, Pennsylvania, 19107, United States
Vanderbilt
Nashville, Tennessee, 37232, United States
MD Anderson Cancer Center
Houston, Texas, 77030, United States
University of Washington
Seattle, Washington, 98195, United States
Ascension St. Columbia Mary's
Milwaukee, Wisconsin, 53211, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Madhu Gorrepati
Intuitive
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 17, 2023
First Posted
February 9, 2023
Study Start
May 8, 2023
Primary Completion
March 1, 2026
Study Completion (Estimated)
March 1, 2031
Last Updated
February 24, 2026
Record last verified: 2026-02
Data Sharing
- IPD Sharing
- Will not share