Pyrotinib Combined With Dalpiciclib Combined With Letrozole in ER-positive and HER2-positive Advanced Breast Cancer

NCT ID: NCT07014410

Last Updated: 2025-06-11

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

63 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-02-01

Study Completion Date

2029-12-31

Brief Summary

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This is a a multicenter Phase II clinical study investigating efficacy of pyrotinib combined with dalpiciclib combined with letrozole in ER-positive and HER2-positive advanced breast cancer patients. The sample size is 63.

Detailed Description

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This is a a multicenter Phase II clinical study investigating efficacy of pyrotinib combined with dalpiciclib combined with letrozole in ER-positive and HER2-positive advanced breast cancer patients. Patients receive pyrotinib 320mg/d, dalpiciclib 125mg/d, d1-21, q28d. One cycle is 28d.

Conditions

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Breast Cancer

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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pyrotinib dalpiciclib letrozole

Patients receive pyrotinib 320mg/d, dalpiciclib 125mg/d and letrozole 2.5mg/d until disease progression, intolerated toxicity.

Group Type EXPERIMENTAL

pyrotinib dalpiciclib letrozole

Intervention Type DRUG

ER positive HER2 positive advanced breast cancer patients are given pyrotinib+dalpiciclib+letrozole

Interventions

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pyrotinib dalpiciclib letrozole

ER positive HER2 positive advanced breast cancer patients are given pyrotinib+dalpiciclib+letrozole

Intervention Type DRUG

Other Intervention Names

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Femar

Eligibility Criteria

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Inclusion Criteria

1. The subjects voluntarily joined the study, signed the informed consent, and had good compliance
2. Postmenopausal or premenopausal/perimenopausal women aged ≥18 years and ≤75 years
3. Patients with recurrent/metastatic breast cancer confirmed by histopathology with positive ER expression and positive HER2 expression
4. Have at least one extracranial measurable lesion that meets RECIST 1.1 criteria
5. At most one previous trastuzumab containing systemic therapy for recurrent metastatic breast cancer

Exclusion Criteria

1. Subjects had untreated central nervous system metastasis
2. Bilateral breast cancer, inflammatory breast cancer, or latent breast cancer
3. Previous treatment with any CDK4/6 inhibitors
4. Inability to swallow, intestinal obstruction, or other factors affecting drug use and absorption
5. Subject has had other malignancies (except cured basal cell carcinoma of the skin and carcinoma in situ of the cervix) within 5 years or at the same time
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Zhejiang Cancer Hospital

OTHER

Sponsor Role lead

Responsible Party

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Chen Zhanhong

MD

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Zhanhong Chen, Master

Role: PRINCIPAL_INVESTIGATOR

Zhejiang Cancer Hospital

Locations

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Zhejiang Cancer Hospital

Hangzhou, Zhejiang, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Zhiqiang Xiao, Master

Role: CONTACT

17757194561

Zhiqiang Xiao

Role: CONTACT

17757194561

Facility Contacts

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Zhanhong Chen

Role: primary

Other Identifiers

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DAPYLET

Identifier Type: -

Identifier Source: org_study_id

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