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临床试验/NCT05828212
NCT05828212已完成1 期

A Study on the Safety and Efficacy of Chimeric Antigen Receptor T Cells in the Treatment of Recurrent/Refractory Neuromyelitis Optica

Zhejiang University1 个研究点 分布在 1 个国家目标入组 9 人开始时间: 2023年5月15日最近更新:
适应症
干预措施
相关药物

试验速览

阶段
1 期
状态
已完成
发起方
入组人数
9
试验地点
1
主要终点
Dose limited toxicity (DLT)

研究概览

简要总结

This is a single-arm, open-label, single-center, phase I study. The primary objective is to evaluate the safety of CD19 CAR-T therapy for patients with relapsed or refractory Neuromyelitis Optica, and to evaluate the pharmacokinetics of CD19 CAR-T in patients.

研究设计

研究类型
Interventional
分配方式
Na
干预模型
Single Group
主要目的
Treatment
盲法
None

入排标准

年龄范围
18 Years 至 60 Years(Adult)
性别
All
接受健康志愿者
否

入选标准

  • •Age 18-60 and gender unlimited;
  • •NMOSD diagnosed based on the 2015 NMOSD International Consensus Diagnostic Criteria;
  • •Diagnostic criteria for AQP4-IgG positive NMOSD Diagnostic criteria for AQP4-IgG positive NMOSD
  • •At least 1 core clinical feature
  • •Using reliable methods to detect positive AQP4-IgG (CBA method)
  • •Exclude other diagnoses. Core clinical features
  • •Acute myelitis
  • •Posterior region syndrome, unexplained paroxysmal hiccup, nausea, and vomiting
  • •Other brainstem syndromes
  • •Symptomatic episodic sleeping sickness, diencephalic syndrome, brain MRI with NMOSD characteristic diencephalic lesions
  • •Cerebral syndrome with NMOSD characteristic brain lesions
  • •Corticosteroids combined with immunosuppressants (azathioprine or mycophenolate mofetil or rituximab) still relapse after treatment;
  • •At least 2 relapses within the past 12 months or at least 3 relapses within the past 24 months, and at least 1 recurrence within the 12 months prior to screening;
  • •The estimated survival time is more than 12 weeks;
  • •Women of childbearing age who have negative urine pregnancy test before medication administration and agree to take effective contraceptive measures during the trial period until the last follow-up

排除标准

  • •Epilepsy history or other central nervous system disease;
  • •Electrocardiogram shows prolonged QT interval, severe heart diseases such as severe arrhythm ia in the past;
  • •Pregnant (or lactating) women;
  • •Patients with severe active infections;
  • •Active infection of hepatitis B virus or hepatitis C virus;
  • •Systemic steroids have used in the 4 weeks before participating in the treatment (except recently or currently using inhaled steroids);
  • •Those who have used any gene therapy products before;
  • •The proiferation rate is less than 5 times response to CD3/CD28 co-stimulation signal;
  • •Serum creatinine > 2.5mg/dl or ALT / AST > 3 times ULN or bilirubin > 2.0mg/dl;
  • •Those who suffer from other uncontrolled diseases are not suitable to join the study;
  • •HIV infection;
  • •Any situation that the researchers believe may increase the risk of patients or interfere with the test results.

研究组 & 干预措施

Treatment Group

Experimental

Recurrent/Refractory Neuromyelitis Optica

干预措施: CAR-T cells injection (Drug)

结局指标

主要结局

Dose limited toxicity (DLT)

时间窗: From date of initial treatment to Day 28 post CAR-T infusion.

Dose limited toxicity

AE and SAE

时间窗: From admission to the end of the follow-up, up to 2 years

Adverse event and serious adverse event

Maximum tolerable dose

时间窗: From date of initial treatment to Day 28 post CAR-T infusion.

Maximum tolerable dose

次要结局

  • Changes in serum AQP4-IgG titer after infusion(days 7, 14, 21, 28 and 90)
  • Annual recurrence rate (ARR) of NMOSD(From admission to the end of the follow-up, up to 2 years)
  • Changes in the expanded disability status scale (EDSS) score from baseline(days 7, 14, 21, 28 ,56 and 90)
  • MRI active lesions(days 90)
  • Changes in optimal corrected vision(days 28 and 90)
  • Changes of nerve fiber layer around the retinal papilla(pRNFL)(2 years)
  • Changes in the plexiform layer of macular ganglion cells (mGCIPL)(2 years)

研究者

发起方
Zhejiang University
申办方类型
Other
责任方
Principal Investigator
主要研究者

He Huang

Clinical Professor

Zhejiang University

研究点 (1)

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