# Prospective Pilot Study of Robot-assisted Nipple Sparing Mastectomy (RNSM)

> **NCT04537312** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Ohio State University Comprehensive Cancer Center** · enrollment: 4 (actual)

## Conditions studied

- Anatomic Stage I Breast Cancer AJCC v8
- Anatomic Stage IA Breast Cancer AJCC v8
- Anatomic Stage IB Breast Cancer AJCC v8
- Anatomic Stage II Breast Cancer AJCC v8
- Anatomic Stage IIA Breast Cancer AJCC v8
- Anatomic Stage IIB Breast Cancer AJCC v8
- Anatomic Stage IIIA Breast Cancer AJCC v8
- Ductal Breast Carcinoma In Situ
- Prognostic Stage I Breast Cancer AJCC v8
- Prognostic Stage IA Breast Cancer AJCC v8
- Prognostic Stage IB Breast Cancer AJCC v8
- Prognostic Stage II Breast Cancer AJCC v8
- Prognostic Stage IIA Breast Cancer AJCC v8
- Prognostic Stage IIB Breast Cancer AJCC v8
- Prognostic Stage IIIA Breast Cancer AJCC v8
- Prophylactic Mastectomy

## Interventions

- **PROCEDURE:** Robot-assisted Nipple Sparing Mastectomy
- **OTHER:** Survey Administration
- **DEVICE:** RNSM

## Key facts

- **NCT ID:** NCT04537312
- **Lead sponsor:** Ohio State University Comprehensive Cancer Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2020-11-17
- **Primary completion:** 2025-10-31
- **Final completion:** 2026-10-31
- **Target enrollment:** 4 (ACTUAL)
- **Last updated:** 2025-12-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04537312

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04537312, "Prospective Pilot Study of Robot-assisted Nipple Sparing Mastectomy (RNSM)". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04537312. Licensed CC0.

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