Diabetes Clinical Trial
Official title:
Safety and Efficacy Investigation of Patients With Diabetic Lower Limb Ischemia by Transplantation of Autologous Bone Marrow Mononuclear Cells
This study is to evaluate the safety and efficacy of autologous bone marrow mononuclear cells transplantation in diabetic patients with lower limb ischemia.
Status | Recruiting |
Enrollment | 10 |
Est. completion date | December 2014 |
Est. primary completion date | September 2013 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 20 Years to 80 Years |
Eligibility |
Inclusion Criteria: 1. fontaine's stage 2-4 or resting ABI <0.7 2. age between 20 and 80 years old 3. sign informed consent, voluntary subjects 4. diagnosis of diabetic lower limb ischemia Exclusion Criteria: 1. poorly controlled diabetes (HBA1c> 7.0%) and proliferative retinopathy (III-IV stage) 2. malignancy history in the past five years or serum level of tumor markers elevated more than doubled 3. severe heart, liver, kidney, respiratory failure or poor general condition can not tolerate bone marrow mononuclear cells transplantation 4. serious infections (such as cellulitis, osteomyelitis, etc.) 5. pregnant female, or reproductive age female who wants to give birth throughout the course of the study 6. life expectancy less than half a year |
Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
China | the First Hospital of Hebei Medical University | Shijiazhuang | Hebei |
Lead Sponsor | Collaborator |
---|---|
Hebei Medical University |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Cell transplantation related side effect | Temperature,pulse,respiration,blood pressure,routine analysis of blood and urine, liver function,renal function,function of coagulation, ECG,cell transplantation related death and cell transplantation related unexpected amputation | 2 week after cell transplantation | Yes |
Secondary | ulcer size | Measuring ulcer area (cm2) and depth (mm)of limb : For each ulcer , photographically record the area and depth with a ruler in order to calculate the ulcer area in square millimeters. | Post cell transplantation: 1, 3, 6 months | No |
Secondary | rest pain score | Scoring the rest pain based on the degree of pain as following five scales): 0 level-0 point: no pain; level-1 point: occasional pain which can be recalled; level-2 points: the pain often but can be tolerated, without or with a little analgesics; level-3 points: often with need of general analgesics; level -4 points: affect sleeping due to the pain, general pain medication being difficult to alleviate. Before transplantation: points; after transplantation: points. |
Post cell transplantation: 1,3, 6 months | No |
Secondary | cold sensation score | based on a sense of cold as following five scales: 0 level-0 point: no cold sensation; level-1 point, or : Occasionally cold feeling; level-2 points: Often with cold feeling; level-3 points: significantly cold feeling. and can be significantly improved when using a local insulation. level-4 points: significantly cold feeling,and can not be significantly improved when using a local insulation. |
Post cell transplantation: 1,3, 6 months | No |
Secondary | Resting ABI | Measurement of ABI(ankle brachial index, ABI): Measure arterial pressure with a laser Doppler, and then calculate the ankle-brachial index, that is a ratio of ankle arterial blood pressure to brachial arterial blood pressure at rest. | Post cell transplantation: 1,3, 6 months | No |
Secondary | Resting TcPO2 (mmHg) | Transcutaneous oxygen pressure(TcPO2) should be measured at the same site in the ischemic limb at rest. | Post cell transplantation:1, 3, 6 months | No |
Secondary | Collateral vessel score | Collateral vessel score: Using computed tomographic angiography to score the collateral vessel formation. A mean score is obtained for each ischemic limb by 3 independent interventionists based on the following 4 level score: 0 (no new collateral vessels) (A little new collateral vessels) (moderate new collateral blood vessels) (Rich new collateral vessels) |
Post cell transplantation: 1,3, 6 months | No |
Secondary | Skin microcirculation measurement | using PeriMed "laser-Doppler flowmetry" measure the skin microcirculation on the same site in the ischemic limb at rest. | 1,3,6 months post cell transplantation | No |
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