NCT06495541

Brief Summary

Research object:Planned to receive pyrrolidine for HER2 positive first-line breast cancer patients Research purpose: Main research objectives: To observe the efficacy and safety of pyrrolidine in the treatment of HER2 positive advanced first-line breast cancer. Secondary research objectives:

  1. 1.Evaluate the correlation between patient characteristics in the late stage of treatment and specific treatment plans and clinical outcomes Sex (including safety outcomes)
  2. 2.Evaluate whether and how previous anti HER2 therapy affects the efficacy of subsequent pyrrolitinib treatment
  3. 3.To observe the efficacy of pyrrolitinib in patients with brain metastasis of HER2 positive breast cancer

Trial Health

65
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
500

participants targeted

Target at P75+ for not_applicable breast-cancer

Timeline
27mo left

Started Apr 2026

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress4%
Apr 2026Jul 2028

First Submitted

Initial submission to the registry

July 3, 2024

Completed
7 days until next milestone

First Posted

Study publicly available on registry

July 10, 2024

Completed
1.7 years until next milestone

Study Start

First participant enrolled

April 1, 2026

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 30, 2026

Expected
2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

July 30, 2028

Last Updated

March 20, 2026

Status Verified

February 1, 2026

Enrollment Period

4 months

First QC Date

July 3, 2024

Last Update Submit

March 18, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • PFS

    The time from randomization to disease progression evaluated by researchers for patients

    24.3months

Study Arms (1)

Pyrotinib

OTHER
Drug: Pyrotinib

Interventions

Administration method: Pyrrolitinib standard dose: 400 mg once a day, oral administration within 30 minutes after breakfast, continuous administration for 21 days per cycle. The dosage can be determined by the doctor according to the actual situation Make adjustments. Other medications: The doctor selects the medication plan based on the actual situation.

Pyrotinib

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≥ 18 years old;
  • Pathological or histopathological confirmed HER2 positive cases cannot be surgically advanced or metastasized Patients with sexual breast cancer (HER2 positive is defined as: standard immunohistochemistry (IHC) Detected as 3+or ISH positive);
  • There is a traceable medical history record during the treatment period;
  • Voluntarily participate in this study, sign informed consent, have good compliance, and are willing to cooperate Follow up.

You may not qualify if:

  • Failure to sign informed consent form;
  • Previous history of other malignant tumors, but cured skin basal cell carcinoma and cervical cancer Excluding cancer;
  • Difficulty in swallowing, chronic diarrhea, and intestinal obstruction, which can affect medication administration and absorption Various factors;
  • Pregnant or lactating women, and women of childbearing age who cannot achieve optimal contraception;
  • Any other circumstances in which the researcher deems the patient unsuitable to participate in this study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Breast Neoplasms

Interventions

pyrotinib

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Central Study Contacts

xuejing liu

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 3, 2024

First Posted

July 10, 2024

Study Start

April 1, 2026

Primary Completion (Estimated)

July 30, 2026

Study Completion (Estimated)

July 30, 2028

Last Updated

March 20, 2026

Record last verified: 2026-02