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Recruiting Phase 2

A Phase IIa Study to Evaluate NBQ72S

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About this study

A phase IIa, single-arm, open-label study was conducted to evaluate the efficacy and safety of NBQ72S, in patients with leptomeningeal metastases from breast cancer. All patients will receive the study drug every 28 days until withdrawal from treatment.

Condition
Breast Cancer
Tested
NBQ72S
Sponsor
Nantong Bencao Quadriga Medical Technology Co. Ltd.

Who can join

Age
18 years and older
Sex
Female only
Healthy volunteers
Not accepted

Inclusion 18

  • Minimum age: 18 years
  • Eligible sex: Female
  • Study condition: Breast Cancer
  • The patient must have histological evidence confirming the diagnosis of breast cancer with leptomeningeal metastasis: a.
  • Breast cancer must be diagnosed through biopsy from either the primary or metastatic sites; b.
  • Leptomeningeal metastasis (with or without brain parenchymal metastases) must be confirmed by imaging examinations(MRI), or by positive or suspicious cerebrospinal fluid cytology; c.
  • There is no restriction on the duration of prior systemic therapy for the primary tumor.
  • The patient's Karnofsky Performance Status (KPS) must be ≥60.
  • The patient must have adequate bone marrow function, including:
  • Absolute neutrophil count (ANC) ≥1,500/mm³ or ≥1.5 x 10⁹/L;
  • Platelet count ≥100,000/mm³ or ≥100 x 10⁹/L;
  • Hemoglobin ≥9 g/dL;
  • The patient must have adequate renal function, including:
  • a. Serum creatinine ≤1.5 x upper limit of normal (ULN) or estimated creatinine clearance ≥50 mL/min. Note: In equivocal cases, a 24-hour urine collection test can be used to estimate the creatinine clearance more accurately;
  • The patient must have adequate hepatic function, including:
  • Total serum bilirubin ≤1.5 x ULN; if the tumor involves the liver, or if the patient has a history of Gilbert's syndrome, total bilirubin must be \<3 x ULN;
  • Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤2.5 x ULN; if the tumor involves the liver, these values must be ≤5.0 x ULN;
  • Females of childbearing potential and males with fertile partners must agree to use effective contraception during the study and for 7 months following the last dose of study treatment;

Exclusion 5

  • Patients with any other active malignancies unrelated to the primary tumor, except for those with basal cell carcinoma, squamous cell carcinoma, or in situ carcinoma that have been adequately treated.
  • Patients who are intolerant to any substance in the investigational product, including sulfobutylether-β-cyclodextrin, mefenamic acid, bendamustine, chloramphenicol, or any nitrogen mustard chemotherapy agents, or who have experienced a severe (Grade ≥3) allergic or hypersensitivity reaction to these substances.
  • Patients who have received a live vaccine or experimental drug within 30 days prior to Cycle 1, Day 1 (C1D1).
  • Pregnant or breastfeeding patients.
  • Any other conditions that may affect the patient's eligibility for this study in the judgment of the investigator

Where

1 site, 1 recruiting

Cancer Hospital Chinese Academy of Medical Sciences

Beijing, Beijing Municipality, China

Recruiting

Contact

Potential match only. Final eligibility is determined by the study team.