NCT01374854Unknown1 期
Umbilical Mesenchymal Stem Cells and Mononuclear Cells Infusion in Type 1 Diabetes Mellitus: A Randomized Controlled Open-label Study
适应症
干预措施
相关药物
试验速览
- 阶段
- 1 期
- 入组人数
- 44
- 试验地点
- 1
- 主要终点
- c-peptide area under the curve during OGTT
研究概览
简要总结
Umbilical mesenchymal stem cells (UC-MSCs) infusion is supposed be a promising regeneration therapy with mild side effect as indicated by large quantities of animal experiments and some clinical trials. There are few UC-MSCs clinical trials with regard to diabetes mellitus. The investigators hypothesize that infusion of USC-MSCs may provide multiple signals for beta-cell regeneration and even re-differentiate into local tissues in diabetes mellitus patients, resulting in improvement of diabetic control, of which the effect may be promoted by concomitant infusion of bone marrow mononuclear cells and maximized by intra-arterial pancreatic infusion through angiography.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 40 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Male and female patients age 18 to 65 years of age.
- •Ability to provide written informed consent.
- •Mentally stable and able to comply with the procedures of the study protocol.
- •Clinical history compatible with type 1 diabetes (T1DM) as defined by the Expert Committee on the Diagnosis and classification of Diabetes Mellitus
- •Onset of T1DM disease at ≤ 35 years of age.
- •T1DM duration ≥ 2 and ≤ 20 years at the time of enrollment.
- •Basal C-peptide ≤ 0.3 ng/mL
- •HbA1c ≥ 7.5 at time of enrollment.
排除标准
- •BMI >35 kg/m^
- •Insulin requirements of > 100 U/day.
- •C-reactive protein (hs-CRP) >3.00ng/ml
- •Uncontrolled blood Pressure: SBP >160 mmHg or DBP >100 mmHg at the time of enrollment.
- •Evidence of renal dysfunction, serum creatinine > 1.5 mg/dl (males) and 1.4 mg/dl (females).
- •Proteinuria > 300 mg/day
- •Evidence of cardiovascular disease, existing congestive cardiac failure on physical exam and/or acute coronary syndrome in past 6 months.
- •For female participants: Positive pregnancy test, presently breast-feeding, or unwillingness to use effective contraceptive measures for the duration of the study. For male participants: intent to procreate 3 months before or after the intervention or unwillingness to use effective measures of contraception. Oral contraceptives, Norplant®, Depo-Provera®, and barrier devices with spermicide are acceptable contraceptive methods; condoms used alone are not acceptable
- •Active infection including hepatitis C, HIV, or TB as determined by a positive skin test or clinical presentation, or under treatment for suspected TB. Positive tests are acceptable only if associated with a history of previous vaccination in the absence of any sign of active infection. Positive tests are otherwise not acceptable, even in the absence of any active infection at the time of evaluation
- •Known active alcohol or substance abuse including cigarette/cigar smoking
- •Baseline Hemoglobin below the lower limits of normal at the local laboratory; lymphopenia (<1,000/L), neutropenia (<1,500/L), or thrombocytopenia (platelets <100,000/L).
- •A history of Factor V deficiency or other coagulopathy defined by INR >1.5, PTT >40, PT >
- •Any coagulopathy or medical condition requiring long-term anticoagulant therapy (e.g., warfarin) after transplantation (low-dose aspirin treatment is allowed) or patients with an INR >1.
- •Acute or chronic pancreatitis.
- •Symptomatic peptic ulcer disease.
- •Hyperlipidemia despite medical therapy (fasting LDL cholesterol >130 mg/dl, treated or untreated; and/or fasting triglycerides > 200 mg/dl).
- •Receiving treatment for a medical condition requiring chronic use of systemic steroids.
- •Symptomatic cholecystolithiasis.
- •Use of any investigational agents within 4 weeks of enrollment.
- •Admission to hospital for any reason in the 14 days prior to enrollment (signing consent).
- •Presence of active proliferative diabetic retinopathy or macular edema
- •Any malignancy
- •Abnormal liver function >1.5 x ULN
- •Abdominal aortic aneurysm
- •History of cerebro-vascular accident
- •Any patient with acute or subacute decompensation from diabetes
- •Any acute or chronic infectious condition that in the criteria of the investigator would be a risk for the patient.
- •Subjects with hypoproteinemia, cachexia or terminal states
- •Subjects with history of anorexia/bulimia
- •Subjects with respiratory insufficiency
- •Any medical condition that, in the opinion of the investigator, will interfere with the safe completion of the trial.
研究组 & 干预措施
Stem Cell Infusion
Experimental
干预措施: Umbilical mesenchymal stem cell (UC-MSCs) infusion (Biological)
traditional therapy control
Active Comparator
干预措施: traditional therapy (Drug)
结局指标
主要结局
c-peptide area under the curve during OGTT
时间窗: 1 year
次要结局
- The incidence and severity of adverse events related to the stem cell infusion procedure(1 year)
- The reduction in fasting blood glucose (FBG)(1 year)
- The increase in basal C-peptide(1 year)
- The reduction in exogenous insulin requirements(1 year)
- Decrease in HbA1c(1 year)
- insulin area under the curve during OGTT(1 year)
研究者
研究点 (1)
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