ctDNA in HER2+ EBC Neoadjuvant Treatment

NCT ID: NCT07335081

Last Updated: 2026-01-12

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

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-02-01

Study Completion Date

2026-12-31

Brief Summary

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This study is a randomized, open-label, multicenter clinical study for patients with early or locally advanced (T≥2cm, N0-3, M0) HER2-positive breast cancer, aiming to compare the peripheral blood ctDNA clearance of neoadjuvant pyrotinib + trastuzumab + docetaxel and pertuzumab + trastuzumab + docetaxel for one course and to evaluate the therapeutic effectiveness of four courses of neoadjuvant therapy

Detailed Description

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Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Pyrotinib-initiated arm

two cycles of docetaxel + trastuzumab + pyrotinib followed by two cycles of docetaxel + trastuzumab + pertuzumab

Group Type EXPERIMENTAL

pyrotinib

Intervention Type DRUG

pyrotinib 320mg p.o. qd

pertuzumab

Intervention Type DRUG

pertuzumab ivgtt q3w, 840mg for initiation, 420mg for maintenance

trastuzumab

Intervention Type DRUG

trastuzumab ivgtt q3w, 8mg/kg for initiation, 6mg/kg for maintenance

docetaxel

Intervention Type DRUG

docetaxel ivgtt q3w, 80-100mg/m2

Pertuzumab-initiated arm

four cycles of docetaxel + trastuzumab + pertuzumab

Group Type ACTIVE_COMPARATOR

pertuzumab

Intervention Type DRUG

pertuzumab ivgtt q3w, 840mg for initiation, 420mg for maintenance

trastuzumab

Intervention Type DRUG

trastuzumab ivgtt q3w, 8mg/kg for initiation, 6mg/kg for maintenance

docetaxel

Intervention Type DRUG

docetaxel ivgtt q3w, 80-100mg/m2

Interventions

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pyrotinib

pyrotinib 320mg p.o. qd

Intervention Type DRUG

pertuzumab

pertuzumab ivgtt q3w, 840mg for initiation, 420mg for maintenance

Intervention Type DRUG

trastuzumab

trastuzumab ivgtt q3w, 8mg/kg for initiation, 6mg/kg for maintenance

Intervention Type DRUG

docetaxel

docetaxel ivgtt q3w, 80-100mg/m2

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* histologically diagnosed with Stage II-III HER2+ breast cancer (primary diameter \>2cm)
* Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1
* Intact renal, hepatic, bone marrow and cardiac functions including baseline left ventricular ejection fraction (LVEF) ≥ 55% measured by echocardiography
* No prior treatment

Exclusion Criteria

* Bilateral or metastatic breast cancer
* History of other malignancies
* Severe cardiovascular disease
* Allergic to any of the regimens
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Shanghai Jiao Tong University School of Medicine

OTHER

Sponsor Role lead

Responsible Party

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Kunwei Shen

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Ruijin Hospital

Shanghai, , China

Site Status RECRUITING

Countries

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China

Central Contacts

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Haoyu Wang

Role: CONTACT

86 18817865256

Facility Contacts

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Haoyu Wang

Role: primary

86 18817865256

Other Identifiers

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RJBC2401

Identifier Type: -

Identifier Source: org_study_id

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