The Maximum Tolerated Dose of Mesenchymal Stem Cells From Umbilical Cord
Knee Osteoarthritis, Umbilical Cord Bleeding
About this trial
This is an interventional treatment trial for Knee Osteoarthritis focused on measuring mesenchymal stem cells, Knee Osteoarthritis, Umbilical Cord
Eligibility Criteria
Inclusion Criteria:
① K / L score of 2-3; ② chronic knee pain; ③ no local or systemic infection; ④ without obvious contraindication of the joint puncture from hematology and biochemical tests; ⑤ informed consent. -
Exclusion Criteria:
① older than 75 years old or less than 18 years old, or without full capacity for civil conduct; ② HIV, hepatitis virus or syphilis virus infection or their serology is positive; ③ BMI index is greater than 30; ④ congenital or acquired knee deformity; ⑤ pregnant or lactating women; ⑥ tumor patients; ⑦ immunodeficiency patients; ⑧ intra-articular drug injection history within 3 months; ⑨ participating in other clinical trials; ⑩ other patients who researchers believe are not eligible for inclusion such as suffering from other concomitant diseases.-
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Experimental
low dose of mesenchymal stem cells
medium dose of mesenchymal stem cells
high dose of mesenchymal stem cells
Three groups of patients were enrolled in this study. Every group includes three patients. The three groups of patients were treated with high, medium and low dose of cytokine.The low-dose is 1 × 10^7cells / 3mL
the medium-dose is 5 × 10^7cells / 3mL
the high dose is 1 × 10^8cells / 3mL