A Study of CAR-T Cells Therapy for Patients With Relapsed and/or Refractory Central Nervous System Hematological Malignancies

Официальное название

Clinical Trial for the Safety and Efficacy of CAR-T Cells Therapy for Patients With the Central Nervous System Involvement of Relapsed and/or Refractory B-cell Acute Lymphoblastic Leukemia or B-cell Non-Hodgkin's Lymphoma

Обзор

A Study of CAR-T Cells Therapy for Patients With Relapsed and/or Refractory Central Nervous System Hematological Malignancies

Подробное описание

This is a single arm, open-label, single-center study. This study is indicated for relapsed or refractory central nervous system CD19+ B-cell hematological malignancies, including acute lymphoblastic leukemia and B-cell non-Hodgkin's lymphoma. The selections of dose levels and the numberof subjects are based on clinical trialsof similar foreign products. Two groups of patients will be enrolled, 36 in eachgroup. Primary objective is to explore the safety, main consideration is dose-related safety.

Вмешательства

• Препарат CAR-T cells
  Each subject receive CAR T-cells by intravenous infusion
• Процедура Ommaya Reservoir
  Surgical catheter placement into the fourth ventricle of the brain

Первичные конечные точки

• Dose-limiting toxicity (DLT) [Срок оценки: Baseline up to 28 days after CAR T-cells infusion]
• Incidence of treatment-emergent adverse events (TEAEs) [Срок оценки: Up to 2 years after CAR T-cells infusion]

Вторичные конечные точки (9)

• B-cell acute lymphocytic leukemia(B-ALL), Overall response rate (ORR) [Срок оценки: At Month 1, 3, 6, 12, 18 and 24]
• B-ALL, Overall survival (OS) [Срок оценки: Up to 2 years after CAR-T cells infusion]
• B-ALL, Event-free survival (EFS) [Срок оценки: Up to 2 years after CAR-T cells infusion]
• B cell non-hodgkin's lymphoma (B-NHL), Overall response rate (ORR) [Срок оценки: At Week 4, 12, and Month 6, 12, 18, 24]
• B-NHL, disease control rate (DCR) [Срок оценки: At Week 12 and Month 6, 12, 18, 24]
• Quality of life [Срок оценки: At Baseline, Month 1, 3, 6, 9 and 12]
• IADL score [Срок оценки: At Baseline, Month 1, 3, 6, 9 and 12]
• ADL score [Срок оценки: At Baseline, Month 1, 3, 6, 9 and 12]
• HADS score [Срок оценки: At Baseline, Month 1, 3, 6, 9 and 12]

Критерии участия

Критерии включения

• Inclusion criteria only for B-ALL:

• Male or female aged 3-70 years;
• Histologically confirmed diagnosis of B-ALL per the US National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines for Acute Lymphoblastic Leukemia (2016.v1);
• Relapsed or refractory CD19+ B-ALL (meeting one of the followingconditions):

• CR not achieved after standardized chemotherapy;
• CR achieved following the first induction, but CR duration isless than 12 months;
• Ineffectively after first or multiple remedial treatments;
• 2 or more relapses;
• The number of primordial cells (lymphoblast and prolymphocyte)in bone marrow is>5% (by morphology), and/or >1% (by flowcytometry);
• Philadelphia-chromosome-negative (Ph-) patients; or Philadelphia-chromosome-positive (Ph+) patients who cannot tolerate TKI treatments or do not respond to 2 TKI treatments;
• Inclusion criteria only for B-NHL:

• Male or female aged 18-75 years;
• Histologically confirmed diagnosis of DLBCL (NOS), FL, DLBCL transformed from CLL/SLL, PMBCL, and HGBCL per the WHOClassification Criteria for Lymphoma (2016);
• Relapsed or refractory B-NHL (meeting one of the followingconditions):

• No response or relapse after second-line or abovechemotherapy regimens;
• Primary drug resistance;
• Relapse after auto-HSCT;
• At least one assessable tumor lesion per Lugano 2014 criteria;
• Common inclusion criteria for B-ALL and B-NHL:

• Highly suspected or confirmed central nervous system involvement of hematological malignancies;
• Total bilirubin ≤ 51 umol/L, ALT and AST ≤ 3 times of upper limit ofnormal, creatinine ≤ 176.8 umol/L;
• Echocardiogram shows left ventricular ejection fraction (LVEF) ≥50%;
• No active infection in the lungs, blood oxygen saturation in indoorair is ≥ 92%;
• Estimated survival time ≥ 3 months;
• ECOG performance status 0 to 2;
• Patients or their legal guardians volunteer to participate in the study and sign the informed consent.

Критерии исключения

Subjects with any of the following exclusion criteria were not eligible for this trial:

• History of craniocerebral trauma, conscious disturbance,epilepsy,cerebrovascular ischemia, and cerebrovascular hemorrhagic diseases;
• Electrocardiogram shows prolonged QT interval, severe heart diseases such as severe arrhythmia in the past;
• Pregnant (or lactating) women;
• Patients with severe active infections (excluding simple urinarytractinfectionand bacterial pharyngitis);
• Active infection of hepatitis B virus or hepatitis C virus;
• Concurrent therapy with systemic steroids within 2 weeks prior to screening, except for the patients recently or currently receiving inhaled steroids;
• Previously treated with any CAR-T cell product or other genetically-modified T cell therapies;
• Creatinine>2.5mg/dl, or ALT / AST > 3 times of normal amounts,orbilirubin>2.0 mg/dl;
• Other uncontrolled diseases that were not suitable for this trial;
• Patients with HIV infection;
• Any situations that the investigator believes may increase the risk ofpatients or interfere with the results of study.

Критерии приведены из реестра в оригинале (на английском). Окончательную оценку соответствия проводит исследовательский центр.

Здоровые добровольцы: Нет

Дизайн исследования

Распределение

Не применимо

Модель

Одна группа

Маскирование

Открытое

Основная цель

Лечение

Центры проведения

Китай · 1 центр

• The First Affiliated Hospital，College of Medicine, Zhejiang University — Ханчжоу

Идентификаторы

NCT: NCT04532203 · CNSL-ZhejiangU

Первоисточники (государственные реестры)

• ClinicalTrials.gov (NIH, США)

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