Pyrotinib Combined With Capecitabine Metronomic Therapy in HER2-postitive Advanced Breast Cancer

Pyrotinib Combined With Capecitabine Metronomic Therapy in HER2-postitive Advanced Breast Cancer: Single Arm, Single Center, Phase II Clinical Trial.

Overexpression of the HER2 gene accounts for 20% to 30% of breast cancer. Although trastuzumab combined with chemotherapy has become the basic treatment for patients with HER2-positive advanced breast cancer, For patients who have progressed or relapsed after trastuzumab treatment, There are still many issues to explore on the choice of program of retargeted therapy. In HER2-positive advanced breast cancer, the results of Phase I and Phase I/II trials of pyrotinib or pyrotinib combined with capecitabine show that the anti-tumor effect is rapid, efficient and sustainable, and the patient is safe and well tolerated. Capecitabine is an oral cytotoxic drug that has high selectivity and specificity against tumors. Many patients need to adjust the dose due to adverse reactions, especially for patients after multi-line treatment. Previous studies have shown that sustained low-dose capecitabine reduces the adverse effects of the drug while ensuring efficacy. Based on the above, this study is to conduct a single-center, one-arm phase II clinical trial to explore the efficacy and safety of pyrotinib and capecitabine in the treatment of HER2-positive advanced breast cancer.

Study Overview

• Status: Unknown
• Conditions: Breast Cancer
• Intervention / Treatment: Drug: Pyrotinib; Drug: capecitabine

• Study Type: Interventional
• Enrollment (Anticipated): 35
• Phase: Phase 2

Contacts and Locations

Study Locations

• China
  • Beijing
    • Beijing, Beijing, China, 100021
      • Recruiting
      • Cancer Institute and Hospital, Chinese Academy of Medical Sciences
      • Contact: Qiao Li; Phone Number: 8687788120 8687788120; Email: Liqiaopumc@qq.com

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 75 years (Adult, Older Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: Female

Description

Inclusion Criteria:

1. Age：18~75 years;
2. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1;
3. A life expectancy of more than 12 weeks;
4. patients have at least one measurable lesion exists according to Response Evaluation Criteria In Solid Tumors (RECIST) 1.1 criteria and progresses after the last anti-tumor treatment or during treatment;
5. Pathologically confirmed HER2-expressing patients with locally advanced or metastatic breast cancer: HER2 IHC 3+, or HER2 IHC 2+ and FISH detection gene amplification
6. Progression after treatment with trastuzumab (receiving at least 6 weeks of trastuzumab treatment);
7. Have not received capecitabine for the past, or Previously received capecitabine and PFS for more than 6 months;
8. echocardiography indicates that LVEF ≥ 50%;

9. The laboratory tests confirmed that the bone marrow function and liver and kidney function of the patient met the following requirements before the first dose:

   1. ANC≥1.5×10^9/L；
   2. PLT≥100×10^9/L;
   3. Hb≥100 g/L
   4. serum creatinine(Scr) less than 1.5 times the upper limit of normal value or the creatinine clearance rate calculated greater than 60 mL/min;
   5. total bilirubin less than 1.5 times the upper limit of normal value
   6. aspartate aminotransferase (AST), or alanine aminotransferase (ALT) less than 2.5 times the upper limit of normal value, less than 5 times the upper limit of normal value in patients with liver metastases;
   7. urine routine test with urinary protein more than ++, or 24 hour urinary protein more than 1.0 g;
10. Females of childbearing potential must be a pregnancy test in 7 days before participating ( including serum or urine), and the results were negative, and they are willing to take effective contraceptive methods during the trial;
11. The patient volunteered to join the study and signed an informed consent form.

Exclusion Criteria:

1. Patients who have been treated with capecitabine for a period of 6 months and whose disease progresses;
2. Previously treated with pyrotinib or neratinib;
3. Patients with high blood pressure who are not well controlled by antihypertensive medication (systolic blood pressure >140 mmHg, diastolic blood pressure >90 mmHg); have uncontrolled or severe cardiovascular disease, such as within 6 months before screening Refractory angina pectoris, congestive heart failure occurred; myocardial infarction occurred within 12 months before screening; any clinically significant ventricular arrhythmia history, QT interval prolongation; history of cerebrovascular accident, symptomatic and need Medically treated coronary heart disease;
4. having significant clinical dysfunction of the digestive tract may affect the intake, transport or absorption of oral medications (eg, inability to swallow, chronic diarrhea, intestinal obstruction, etc.)
5. Refractory, 2 degrees and above persistent diarrhea;
6. exiting unstable brain metastasis and / or meningeal metastasis;
7. Have undergone major surgery or severe traumatic injury, fracture, or healed wound within 4 weeks;
8. Allergic to pyrotinib, capecitabine and/or its excipients has been confirmed;
9. Female patients during pregnancy or lactation, female patients with fertility and positive pregnancy test, or women of childbearing age who are unwilling to take effective contraceptive measures during the whole trial period;
10. The patient has a severe concomitant disease, or any other condition that the investigator believes is not suitable for the study.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: N/A
• Interventional Model: Single Group Assignment
• Masking: None (Open Label)

Number of Arms

1

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: pyrotinib+ capecitabine	Drug: Pyrotinib; 400mg qd; Drug: capecitabine; capecitabine 500mg tid

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Objective Response Rate(ORR)	Refers to the proportion of patients whose tumors have shrunk to a certain proportion and maintained for a certain period of time, including cases of CR and PR, RECIST 1.1 were used to assess objective tumor remission	4 months

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Progression Free Survival(PFS)	the date from the first dose to the first occurrence of disease progression or death from any cause, whichever occurs first	4 months

Other Outcome Measures

Outcome Measure	Measure Description	Time Frame
disease control rate(DCR)	Percentage of confirmed complete remission (CR), partial remission (PR), and disease stable (SD) cases in patients with evaluable efficacy	4 months
Incidence of adverse events	safety	1 Month

Collaborators and Investigators

• Sponsor: Cancer Institute and Hospital, Chinese Academy of Medical Sciences
• Investigators: Principal Investigator: Qiao Li, Cancer Institute and Hospital, Chinese Academy of Medical Sciences

Study record dates

Study Major Dates

• Study Start (Anticipated): April 19, 2019
• Primary Completion (Anticipated): April 1, 2021
• Study Completion (Anticipated): December 31, 2021

Study Registration Dates

• First Submitted: April 18, 2019
• First Submitted That Met QC Criteria: April 19, 2019
• First Posted (Actual): April 22, 2019

Study Record Updates

• Last Update Posted (Actual): April 22, 2019
• Last Update Submitted That Met QC Criteria: April 19, 2019
• Last Verified: April 1, 2019

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Skin Diseases; Neoplasms; Neoplasms by Site; Breast Diseases; Breast Neoplasms; Molecular Mechanisms of Pharmacological Action; Antimetabolites, Antineoplastic; Antimetabolites; Antineoplastic Agents; Capecitabine
• Other Study ID Numbers: LQ006

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: UNDECIDED

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No