Open Nipple Sparing Mastectomy (NSM)

A Retrospective, Multicenter Study of Open Nipple Sparing Mastectomy (NSM)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04447339

Acronym

NSM Open

Enrollment

Registered

2020-06-25

Start date

2020-09-21

Completion date

2026-12-31

Last updated

2026-03-24

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

Conditions

Nipple Sparing Mastectomy

Brief summary

This is retrospective, multicenter chart review is to evaluate the complication rates of prophylactic open NSM procedures through 42 days postoperatively

Detailed description

This is retrospective, multicenter chart review is to evaluate the complication rates of prophylactic open NSM procedures through 42 days postoperatively

Interventions

PROCEDURENipple Sparing Mastectomy

Prophylactic open NSM procedures

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

FEMALE

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

All female patients that have undergone open prophylactic NSM cases performed between January 1, 2018 through 42 days prior to IRB approval

Exclusion criteria

Design outcomes

Primary

Measure	Time frame	Description
Safety Endpoint: complication rate	IntraOperative period through 42 days postoperatively	To assess the number of open prophylactic nipple sparing mastectomy complications compared to the number of procedures
Effectiveness	IntraOperative period through 42 days postoperatively	Ability to completely excise memory gland tissue and preserve Nipple Areola Complex

Countries

United States

Outcome results

None listed

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