Chidamide Combined With Angiogenesis Inhibitors and Fulvestrant for Advanced HR-positive, HER2-negative Breast Cancer

Official title

Chidamide Combined With Angiogenesis Inhibitors and Fulvestrant for Advanced HR-positive, HER2-negative Breast Cancer After Prior CDK4/6 Inhibitor Progression : a Single Arm, Phase Ⅱ Study

Overview

This Phase Ⅱ study was designed to assess the efficacy and safety of the combination of tucidinostat, angiogenesis inhibitors and fulvestrant for advanced HR-positive, HER2-negative breast cancer patients after the failure of CDK4/6 inhibitor.

Interventions

• Drug Chidamide，Fulvestrant，angiogenesis inhibitors
  chidamide，30mg，po. biw fulvestrant ，500mg， im., d1(c1d15), q4w angiogenesis inhibitors , according to the doctor's advice

Primary outcome measures

• Objective Response Rate（ORR） [Time frame: 2 years]

Secondary outcome measures (4)

• Progression-free survival(PFS) [Time frame: 2 years]
• Disease Control Rate （DCR） [Time frame: 2 years]
• Clinical Benefit Rate (CBR) [Time frame: 2 years]
• Overall survival (OS) [Time frame: 2 years]

Eligibility criteria

Inclusion criteria

• 1.Age≥18 years, ≤75, female; 2.Histologically confirmed HR positive and HER2 negative postmenopausal metastatic breast cancer patients \[HER2 negative is defined as immunohistochemistry(IHC) 0 or IHC 1+, and if the score of IHC is 2+, fluorescence in situ hybridization technology (FISH) test must be negative, HR positve is defined as ER or PR ≥10%\]; 3.Prior CDK4/6 inhibitor progression or intolerance to CDK4/6i before enrollment; 4.Premenopausal patients need OFS; 5.Recurrence and metastasis progressed more than 6 months after receiving endocrine therapy or more than 2 years after receiving adjuvant endocrine therapy; 6.ECOG performance status ≤ 1; 7.At least one measurable disease based on RECIST v1.1 8.Adequate organ function; 9.Life expectancy is more than 3 months; 10.Willing and able to provide written informed consent

Exclusion criteria

• 1.Prior exposed to histone deacetylase inhibitors; 2.Received TKI before enrollment; 3.Exist visceral crisis; 4.Received chemotherapy, targeted therapy, Chinese herbal medicine with anti-tumor indications, or immunomodulatory drugs (including thymosin, interferon, interleukin, etc.) within 4 weeks before enrollment, or still within 5 half-lives of such drugs; 5.Poorly controlled diabetes (FBG>10mmol/L); 6.Poorly controlled hypertension (SBP>150 mmHg, DBP>90 mmHg); 7.Urinalysis shows urine protein ≥ 2+ or 24-hour protein quantity test shows urinary protein ≥1 g; 8.PT>16s, APTT> 43s, TT>21s, FIB<2g/L; 9.Toxicities that did not recover to National Cancer Institute Common Adverse Event Terminology Version 5.0 (NCICTCAEv5.0) grade 0 or 1 toxicity from prior antineoplastic therapy prior to the first dose of study treatment(alopecia, grade 2 fatigue, grade 2 anemia, non-clinically critical and asymptomatic laboratory abnormalities can be enrolled); 10.Pregnant or lactating female. 11.Any other conditions deemed inappropriate by the investigator to participate in this study.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: No

Study design

Allocation

N/A

Model

Single group

Masking

Open label

Primary purpose

Treatment

Study locations

China · 1 center

• Affiliated Tumor Hospital of Shantou University Medical College — Shantou

Identifiers

NCT: NCT06750848 · CSIIT-C31

Primary sources (government registries)

• ClinicalTrials.gov (US NIH)

View this study on ClinicalTrials.gov ↗