Clinical trial NCT04093336: Effect of Mesenchymal Stem Cells(MSCs) Transplantation for Acute Cerebral Infarction Patients
Official title: Effect of Human Umbilical Cord Mesenchymal Stem Cells(MSCs) Transplantation for on Prognosis of Acute Cerebral Infarction Patients
Study type: INTERVENTIONAL
Overall status: UNKNOWN
Phase: PHASE1
PHASE2
Conditions: Infarction, Middle Cerebral Artery
Infarction, Anterior Cerebral Artery
Cerebral Infarction
Stroke, Ischemic
Acute Stroke
Brain Infarction
Infarction, PCA
Infarction, Posterior Circulation, Brain
Keywords: Acute cerebral infarction ,Mesenchymal Stem Cells,prognosis
Lead sponsor: Shanghai East Hospital
Sponsor class: OTHER
First posted: 2019-09-18
Enrollment: 120
Sex: ALL
Minimum age (years): 18
Maximum age (years): 80
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Intervention model description: placebo controlled, randomized, double blinded
Primary purpose: TREATMENT

Brief summary: This is a placebo controlled, randomized, double blinded study including Phase 1 and Phase 2. Phase I study is a safety assessment and Phase 2 study is incline to assess effectiveness of MSCs. Potential subjects must be screened and consented before enrolled.

The primary objective of this study is to determine the effects of early intravenous infusion of allogeneic human umbilical cord mesenchymal stem cells (HucMSCs or MSCs used in the following section) for patients with acute ischemic stroke. Eligible patients will receive a single dose of MSCs or placebo within 24 hours after stroke. Patients will be followed for 2 years post infusion for safety and efficacy (change in neurological symptoms and quality of life). Assessments will occur during transplantation and at 3,7, 14 days and1,3, 6, 12, 18 and 24 months after infusions of stem cells.

Detailed description: In Phase 1 study, the eligible patients of acute cerebral infarction within 7 days after onset will be randomized to MSCs group or control group and receive intravenous MSCs 2 x 10\^6/kg or placebo as a single dose, respectively. Each group will enroll 10 patients and patients will be followed for 2 years to observe the adverse events and evaluate the safety of MSCs for acute ischemic stroke patients.

The safety and preliminary effectiveness of MSCs in the treatment of acute cerebral infarction will be summarized after all patients of Phase 1 study were followed for 3 months post infusion, and the report will be submit to the academic committee and the ethics committee to evaluate before approval to begin the Phase 2 study.

In Phase 2 study, 100 patients with acute infarction within 24 hours after onset will be enrolled and randomized to MSCs group or control group. Patients will have baseline laboratory examinations and cerebral image (MRI or CTP). Enrolled patients will receive intravenous infusion of 2\*10\^6/kg MSCs or placebo for a single dose and follow for 24 months to assess the adverse events, neurological functional recovery and quality of life.

Eligibility criteria: Inclusion Criteria:

1. Acute ischemic stroke;
2. Age 18\~80y;
3. 4≤NIHSS score≤18（including limb score≥2）and modified Rankin scale 0-1 before this cerebral ischemic stroke;
4. patients and their families understand and will cooperate within the whole process of study, and sign informed consent;
5. any of following items：①acute cerebral infarction confirmed by cerebral CT perfusion or non-contrast computed tomographic scan \< 7 days after onset or ②acute cerebral infarction confirmed by cerebral MR image \< 7 days after onset

Exclusion Criteria:

1. accompanied by hematological disease, severe infection, liver dysfunction (ALT\>3\*ULN), kidney dysfunction (Scr \>2\*ULN), cardiac dysfunction (NYHA grade III or IV);
2. Disturbance of consciousness, mental illness, cognitive impairment and other diseases that may affect informed consent and evaluation of study.
3. Malignancy history or found to associate cancer after this stroke
4. Pregnant or lactating women, or women have fertility requirements within 2 years;
5. Accompanied by immunodeficiency diseases or autoimmune diseases;
6. Life expectancy is less than 2 years;
7. Participated in other clinical trial within 6 months;
8. Patients received Chinese traditional medicine after onset of this stroke;
9. Patients with allergic predisposition;
10. Mental implantation or other reasons cannot tolerate magnetic resonance imaging;
11. Cannot follow up regularly or unwilling to sign informed consent;
12. Other situations not suitable for enrollment judged by the researchers;

Primary outcomes:
measure: adverse events
timeFrame: 24 months post transplantation
Secondary outcomes:
measure: the National Institutes of Health Stroke Scale (NIHSS) of 3 months
timeFrame: 3 months post transplantation
measure: the Barthel index (BI) of 3 months
timeFrame: 3 months post transplantation
Other outcomes:
Locations:
city: Shanghai
country: China
facility: Gang Li
state: Shanghai
Study officials:
affiliation: Shanghai East Hospital
name: Gang Li, Doctor
role: PRINCIPAL_INVESTIGATOR
References:
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