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Endoscopic Nipple-Sparing Mastectomy (E-NSM) With Immediate Multistage Autologous Fat Grafting(IMAFG) for Total Breast Reconstruction Via the Axillary Incision

Endoscopic Nipple-Sparing Mastectomy (E-NSM) With Immediate Multistage Autologous Fat Grafting(IMAFG) for Total Breast Reconstruction Via the Axillary Incision

Status
Enrolling by invitation
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07352137
Enrollment
20
Registered
2026-01-20
Start date
2026-01-13
Completion date
2027-06-30
Last updated
2026-01-20

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

Conditions

Breast Cancer, Breast Reconstruction

Keywords

Endoscopic, Nipple-Sparing Mastectomy, Fat Grafting, Breast Reconstruction

Brief summary

The goal of this clinical study is to evaluate the effectiveness and safety of a novel breast reconstruction technique combining endoscopic nipple-sparing mastectomy (E-NSM) with immediate multistage fat grafting (IMFG) in female patients aged 18 years or older with clinical stage 0 to II breast cancer who desire immediate breast reconstruction. The main questions it aims to answer are: Does the combined E-NSM and IMFG approach improve patient-reported outcomes, including satisfaction with breasts and physical well-being, as measured by the BREAST-Q questionnaire? What is the frequency and nature of surgical complications associated with this technique, such as wound healing, hemorrhage, and need for reoperation? Participants will undergo endoscopic nipple-sparing mastectomy with lymph node surgery followed by immediate multistage fat grafting for total breast reconstruction via a small cosmetic axillary incision. They will also complete the BREAST-Q questionnaire and receive clinical and photography-based assessments at follow-up visits to evaluate aesthetic and quality-of-life outcomes.

Interventions

PROCEDUREendoscopic nipple-sparing mastectomy (E-NSM) with immediate implant-based reconstruction

The patient was positioned supine, with the operative-side arm wrapped and elevated to expose the axillary fossa endoscopically. After SLN excision and frozen-section analysis, the lateral edge of the pectoralis major was exposed. A sterile glove finger was used to sheath a wound retractor.Using the electrosurgical hook, the retromammary fat was dissected from the pectoralis major to a defined boundary, carefully preserving the serratus anterior fascia laterally and inferolaterally. Dissection then continued along the marked lateral margin. Subcutaneous breast dissection proceeded with Peng's dissector until the nipple base was transected and sent for frozen section.Fat was harvested via tumescent liposuction from the abdomen or thighs, manually centrifuged, and loaded into 10-mL syringes. It was then injected through the axillary incision into the intramuscular, intermuscular, and submuscular planes of the serratus anterior and pectoralis major muscles.

Sponsors

Guangdong Provincial Hospital of Traditional Chinese Medicine
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

• Age \>18 years, female * Stage 0-II( pTis,cT1-2N0-1M0) * Candidate for a endoscopic nipple- sparing mastectomy procedure (multiple or extensive lesions) * Patients' choice to undergo an immediate breast reconstruction * Lack of serious comorbidities * Accept standard adjuvant therapy

Exclusion criteria

* Breast cancer in pregnancy, tumours abutting the chest wall, skin (including inflammatory breast cancer), or nipple-areolar complex (NAC) (including Paget's disease), patients with breast cancer diagnosed as T3 or N2 and above, Allergic to lidocaine

Design outcomes

Primary

MeasureTime frameDescription
Quality of life(QoL)12 monthsQoL at 12 months after the final surgery. The BREAST-Q , version 2.0,22 which was used for measuring pre- and post reconstrucution, has several domains, 3 of which are evaluated for QOL.
The BREAST-Q score12monthsQuality of life at 12 months after the final surgery. The BREAST-Q , version 2.0,22 which was used for measuring pre- and post reconstrucution, has several domains, 3 of which are evaluated for QOL: psychosocial well-being, sexual well-being, physical well-being: chest

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026