NCT04811651

Brief Summary

This is a doble blind, placebo controlled clinical trial to assess safety and efficacy of intravenous administration of Umbilical cord-derived Mesenchymal Stem cells in patients with ischemic stroke within 6 months of onset.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
156

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Mar 2021

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 15, 2021

Completed
Same day until next milestone

Study Start

First participant enrolled

March 15, 2021

Completed
8 days until next milestone

First Posted

Study publicly available on registry

March 23, 2021

Completed
3.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 30, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 30, 2024

Completed
Last Updated

September 25, 2024

Status Verified

September 1, 2024

Enrollment Period

3.4 years

First QC Date

March 15, 2021

Last Update Submit

September 24, 2024

Conditions

Keywords

Ischemic StrokeStem Cell

Outcome Measures

Primary Outcomes (1)

  • Proportion of modified Rankin Scale (mRS) 0-2

    the minimum and maximum values of mRS are 0 and 6, respectively; higher mRS mean a worse outcome

    90 Days

Secondary Outcomes (10)

  • Proportion of modified Rankin Scale (mRS) 0-2

    180,360 Days

  • changes in Fugl-Meyer scale

    90days;180days;360days

  • changes in Purdue hand function test

    90days;180days;360days

  • changes in box and block test

    90days;180days;360days

  • Proportion of modified Rankin Scale (mRS) 0-1

    90days;180days;360days

  • +5 more secondary outcomes

Other Outcomes (1)

  • Number of Adverse Events

    360days

Study Arms (2)

Treatment group

EXPERIMENTAL

intravenous umbilical cord derived mesenchymal stem cells

Biological: Umbilical Cord-derived Mesenchymal Stem Cells

Placebo Comparator

PLACEBO COMPARATOR

intravenous placebo solution with the same appearance as the treatment group.

Drug: Placebo

Interventions

umbilical cord derived mesenchymal stem cells were intravenously injected in a single dose of one hundred million.

Treatment group

intravenous placebo solution with the same appearance as the treatment group.

Placebo Comparator

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age: 18-80 years old;
  • Patients with anterior circulation cerebral infarction;
  • NIHSS: 6-25, and the limb movement score is at least 2 points;
  • Hemoglobin \> 115g / L, platelet \> 100 × 109 / L, leukocyte \> 3 × 109 / L;
  • the time from onset to treatment: group A(6-24 hours)、group B(1-3 days)、gourp C(4-7 days)、group D(1-4 weeks)、group E(1-6 months);
  • The patient or the legal representative of the patient can and is willing to sign the informed consent.

You may not qualify if:

  • Patients who need or expect decompressive craniectomy;
  • Patients who need or are expected to receive endovascular treatment ;
  • Patients receiving intravenous thrombolysis;
  • Disturbance of consciousness;
  • Pregnant women or women of childbearing age who have not taken effective contraceptive measures;
  • Intracranial hemorrhagic diseases: cerebral hemorrhage, subarachnoid hemorrhage, etc;
  • Posterior circulation cerebral infarction;
  • Tumor patients;
  • Epilepsy patients;
  • Severe neurological deficit caused by stroke (MRS = 5);
  • Previous diseases with obvious functional impairment, such as Parkinson's disease, motor neuron disease, moderate Alzheimer's disease, osteoarthritis, etc;
  • Patients with history of coagulation disorders, systemic bleeding tendency and thrombocytopenia (\< 100000 / mm3);
  • Chronic liver disease, liver and kidney dysfunction, elevated ALT or ast (2 times higher than the upper limit of normal value), elevated serum creatinine (1.5 times higher than the upper limit of normal value) or dependent on renal dialysis;
  • Patients with moderate to severe mental illness obviously interfere with treatment compliance;
  • Patients with high blood pressure (systolic blood pressure \> 180mmhg) or low blood pressure (systolic blood pressure \< 90mmHg);
  • +3 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Neurology, General Hospital of Northern Theater Command

Shenyang, 110016, China

Location

MeSH Terms

Conditions

Ischemic Stroke

Condition Hierarchy (Ancestors)

StrokeCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular Diseases

Study Officials

  • Chen Hui-Sheng, Doctor

    General Hospital of Shenyang Military Region

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Treatment and placebo solutions have identical appearance. Protocols will be designed to ensure that the physician evaluating patient safety and efficacy outcome as well as laboratory analysis, will not have access to the randomisation codes.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Two different treatment groups; intravenous umbilical cord-derived mesenchymal stem cells or intravenous placebo solution
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director of neurology department

Study Record Dates

First Submitted

March 15, 2021

First Posted

March 23, 2021

Study Start

March 15, 2021

Primary Completion

July 30, 2024

Study Completion

July 30, 2024

Last Updated

September 25, 2024

Record last verified: 2024-09

Locations