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Clinical Study of Chidamide Combined With Chemotherapy in Neoadjuvant Treatment of HR+/ HER2-BC

Recruiting
18 - 75 years of age
Female
Phase 2

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Overview

Neoadjuvant therapy for HR+/HER2- breast cancer is dominated by anthracycline combined with paclitaxel chemotherapy. Aggressive neoadjuvant chemotherapy can only achieve pCR in about 10% of PATIENTS with HR-positive breast cancer. The emergence of new targeted drugs brings new life and hope to HR-positive breast cancer patients.Basic studies have shown that the abnormal state of epigenetics is associated with the metastasis of drug resistance and recurrence of tumor histone deacetylase (HDAC) is an important regulator of epigenetic regulation, and drugs targeting HDAC provide a new strategy for tumor therapy. The ACE study suggests that selective HDAC inhibitor chidamide in combination with endocrine therapy significantly improves survival benefit in patients with hr-positive HER2-negative advanced breast cancer who relapsed or progressed after endocrine therapy, providing a new treatment option for these patients.In conclusion, we hypothesize that neoadjuvant therapy with chidamide combination therapy provides a better strategy for patients with HR + /HER2 - breast adenocarcinoma.

Description

A total of 59 patients with stage Ii-III HR + / HER2 - breast cancer were enrolled in a multi-center, single-arm prospective design. The main purpose of the study was to observe the efficacy and safety of chidamide combined with chemotherapy in neoadjuvant treatment of stage II-III HR + / HER2 - breast cancer Breast MRI and other imaging examinations were reviewed every 2 cycles to evaluate the efficacy. If the efficacy was accurate, surgical treatment was performed within 4 weeks after the 8th cycle of neoadjuvant therapy. If the efficacy was SD+/PD, the study would be withdrawn Within 4 weeks after surgical treatment, the resected tumor tissue and lymph nodes were histopathologically examined (including the pathology of the tumor resection margin). The pathological sections were uniformly lent to the master research unit for unified review

Eligibility

Inclusion Criteria:

  1. Women aged 18 years or older and 75 years or younger;
  2. All patients were histopathologically confirmed to be estrogen receptor (ER) positive (& GT; 10%),HER2 receptor negative follows the 2018 ASCO-CAP HER2 negative interpretation guideline criteria;
  3. Newly treated patients with stage II-III tumor staging meeting AJCC Version 8 criteria;
  4. KPS score ≥70;
  5. The functional level of the organ must meet the following requirements:
    • Bone marrow function
    • ANC ≥ 1.5×10 9 /L (growth factor not used within 14 days);
    • PLT ≥ 100×10 9 /L (no corrective treatment within 7 days);
    • Hb ≥ 100 g/L (no corrective treatment within 7 days);
    • Liver and kidney function
    • TBIL ≤1.5 x ULN;
    • ALT and AST≤3×ULN;
    • BUN and Cr≤1.5×ULN and creatinine clearance ≥50 mL/min (Cockcroft-Gault formula);
  6. Able to undergo needle biopsy;
  7. Volunteered to participate in the study, signed informed consent, had good compliance and was willing to cooperate with follow-up.

Exclusion Criteria:

-

        Participants are not allowed to participate in the clinical study under any of the
        following conditions:
          1. Have received any other form of anti-tumor therapy (chemotherapy, radiotherapy,
             molecular targeted therapy, endocrine therapy, etc.);
          2. Receiving any other antitumor therapy;
          3. Bilateral breast cancer, inflammatory breast cancer or ocessive breast cancer;
          4. Stage IV breast cancer;
          5. Breast cancer without histopathological diagnosis;
          6. Other malignant tumors within the past 5 years, except cured carcinoma in situ of the
             cervix;
          7. Severe heart, liver, kidney and other important organ dysfunction;
          8. Inability to swallow, chronic diarrhea and intestinal obstruction, there are many
             factors affecting drug taking and absorption;
          9. Participated in clinical trials of other drugs within 4 weeks before enrollment;
         10. Known history of allergy to the drug components of this regimen; History of
             immunodeficiency, including HIV positive, HCV, live active hepatitis B or other
             acquired or congenital immune deficiency diseases, or a history of organ
             transplantation;
         11. History of any heart disease, including :(1) medically required or clinically
             significant arrhythmia; (2) myocardium infarction; (3) heart failure; (4) Any other
             heart disease deemed unsuitable for the study by the investigator;
         12. Pregnant, lactating women, fertile women with positive baseline pregnancy test or in
             the entire women of reproductive age who were unwilling to use effective contraception
             during the trial;
         13. According to the investigator's judgment, there are comorbidities (including but) that
             seriously endanger the patient's safety or affect the patient's ability to complete
             the study not limited to severe hypertension, severe diabetes, active infection, etc.,
             which cannot be controlled by drugs);
         14. A clear past history of neurological or psychiatric disorders, including epilepsy or
             dementia. The investigator considered the patient unsuitable for the study in any
             other case.

Study details

Breast Cancer

NCT05400993

Shengjing Hospital

25 January 2024

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