Study of High-Intensity Focused Ultrasound (HIFU) Combined With Toripalimab Plus Chemotherapy Versus Chemotherapy as Neoadjuvant Therapy for Estrogen Receptor-Positive/Human Epidermal Growth Factor Receptor 2-Negative (ER+/HER2-) Breast Cancer (NeoHunter)

NCT ID: NCT06964906

Last Updated: 2025-05-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

140 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-03-04

Study Completion Date

2030-12-31

Brief Summary

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The purpose of this study is to evaluate the efficacy and safety of high-intensity focused ultrasound (HIFU) combined with toripalimab plus chemotherapy versus chemotherapy as neoadjuvant therapy for ER+/HER2- breast cancer.

Detailed Description

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Study participants will be randomly allocated to either the experimental group or the control group and receive the following treatments. Experimental group: HIFU therapy followed by 8 cycles of neoadjuvant immunotherapy and chemotherapy; Control group: 8 cycles of neoadjuvant chemotherapy alone. Each cycle lasts 21 days. Subsequently, all participants will undergo surgery within 6 weeks after completion of neoadjuvant therapy.

Conditions

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ER+/HER2- Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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HIFU/Toripalimab + nab-P/Toripalimab + EC

Participants receive HIFU treatment, followed by toripalimab (Q3W) + nab-Paclitaxel (QW) for 4 cycles (12 weeks), followed by toripalimab (Q3W) + epirubicin (Q3W) + cyclophosphamide (Q3W) for 4 cycles (12 weeks). Each cycle lasts 21 days.

Group Type EXPERIMENTAL

HIFU

Intervention Type PROCEDURE

HIFU therapy is administered to the targeted breast lesion site.

Toripalimab

Intervention Type DRUG

240 mg, IV infusion, Q3W

nab-Paclitaxel (nab-P)

Intervention Type DRUG

125 mg/m2, IV infusion, QW

Epirubicin (E)

Intervention Type DRUG

90 mg/m2, IV infusion, Q3W

Cyclophosphamide (C)

Intervention Type DRUG

600 mg/m2, IV infusion, Q3W

nab-P/EC

Participants receive nab-Paclitaxel (QW) for 4 cycles (12 weeks), followed by epirubicin (Q3W) + cyclophosphamide (Q3W) for 4 cycles (12 weeks). Each cycle lasts 21 days.

Group Type ACTIVE_COMPARATOR

nab-Paclitaxel (nab-P)

Intervention Type DRUG

125 mg/m2, IV infusion, QW

Epirubicin (E)

Intervention Type DRUG

90 mg/m2, IV infusion, Q3W

Cyclophosphamide (C)

Intervention Type DRUG

600 mg/m2, IV infusion, Q3W

Interventions

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HIFU

HIFU therapy is administered to the targeted breast lesion site.

Intervention Type PROCEDURE

Toripalimab

240 mg, IV infusion, Q3W

Intervention Type DRUG

nab-Paclitaxel (nab-P)

125 mg/m2, IV infusion, QW

Intervention Type DRUG

Epirubicin (E)

90 mg/m2, IV infusion, Q3W

Intervention Type DRUG

Cyclophosphamide (C)

600 mg/m2, IV infusion, Q3W

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Female patients aged 18-75 years.
2. Invasive breast cancer without distant metastasis, including either T1c-T2 (≥ 2 cm), cN1-cN2, or T3-T4, cN0-cN2.
3. Histopathologically confirmed ER-positive/HER2-negative, PR \< 20% or Ki67 ≥ 20%, Grade 3 breast cancer.
4. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.

Exclusion Criteria

1. Female patients during pregnancy or lactation.
2. Diagnosis of bilateral breast cancer, occult breast cancer, or distant metastasis confirmed by pathology.
3. Has an active autoimmune disease that has received systemic treatment in the last 2 years.
4. Has a known history of human immunodeficiency virus (HIV), hepatitis B, or known active hepatitis C virus infection.
5. Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent.
6. Has a known history of invasive malignancy that required systemic treatment in the last 5 years.
7. Uncontrolled concomitant diseases include severe infection, liver disease, cardiovascular disease, kidney disease, respiratory disease, diabetes, and others requiring systemic treatment.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Second Affiliated Hospital, School of Medicine, Zhejiang University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Yiding Chen

Role: PRINCIPAL_INVESTIGATOR

2nd Affiliated Hospital, School of Medicine, Zhejiang University, China

Locations

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2nd Affiliated Hospital, School of Medicine, Zhejiang University

Hangzhou, Zhejiang, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Yiding Chen

Role: CONTACT

+86 0571 87783759

Shijie Wu

Role: CONTACT

Facility Contacts

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Yiding Chen

Role: primary

+86 0571 87783759

Other Identifiers

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2024-0367

Identifier Type: -

Identifier Source: org_study_id

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