OncoMatch

OncoMatch/Clinical Trials/NCT06704945

No Axillary Surgical Treatment in Clinically Lymph Node Negative Patients on Ultrasonography After Neoadjuvant Chemotherapy

Is NCT06704945 recruiting? Yes, currently enrolling (May 2026). This Phase 3 trial studies non-drug interventions for breast cancer.

Phase 3RecruitingSeoul National University HospitalNCT06704945Data as of May 2026

NEO-NAUTILUS is a prospective, multicenter, randomized phase III clinical trial to evaluate whether omitting axillary lymph node surgery (ALND or SLNB) in clinically lymph node-negative breast cancer patients after neoadjuvant chemotherapy is non-inferior to performing SLNB in terms of 5-year disease-free survival.

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Extracted eligibility criteria

Cancer type

Breast Carcinoma

Biomarker criteria

Required: HER2 (ERBB2) overexpression

HER2-positive

Disease stage

Required: Stage CN0 (AJCC 8th Edition)

Clinical staging prior to NAC: cT1-3, cN0, M0 (AJCC 8th Edition)

Performance status

ECOG 0–2(Ambulatory, capable of self-care)

Prior therapy

Must have received: neoadjuvant chemotherapy — neoadjuvant

treated with neoadjuvant chemotherapy

Structured fields extracted by AI. May contain errors — verify against the official protocol.

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