NCT00797550终止1 期
Use of TRC Autologous Bone Marrow Cells in Posterolateral Lumbar Spine Fusion
适应症
试验速览
- 阶段
- 1 期
- 状态
- 终止
- 入组人数
- 2
- 主要终点
- The primary objective is to confirm that the TRC product, when used as a bone graft, is safe for use in posterolateral lumbar spinal fusion surgery, on the basis of defined radiographic evidence of bone fusion.
研究概览
简要总结
The hypothesis is that Aastrom TRC autologous bone marrow tissue "grafts" can be safely used to promote bone healing as part of a single level posterolateral spine fusion surgical procedure.
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 75 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Adults, 18-75 years of age
- •Identified as eligible for elective surgery for single (1) level, posterolateral spinal fusion between L1 and S1 in which the spine stabilization is accomplished by pedicle screws and rod.
- •Male patients and female patients (not pregnant or lactating). Patients should use an appropriate form of contraception while participating in the study.
- •Patients able to give informed consent.
- •Normal organ and marrow function
排除标准
- •Patients with hypophosphatasia, primary or secondary hyperparathyroidism caused by chronic renal insufficiency or osteomalacia.
- •Patients with osteoporotic vertebral fractures.
- •Patients with a prior spinal fusion at the level to be treated.
- •Concomitant use of BMP, or devices containing BMP, or electronic growth stimulators.
- •Any active infection of any clinical significance will be excluded from the study.
- •Positive for HIV, HTLV and/or syphilis.
- •Active Hepatitis B, or Hepatitis C infection at the time of enrollment.
- •Known allergies to protein products (horse or bovine serum, or porcine trypsin) used in the ex-vivo cell production process.
- •Patients who require systemic corticosteroid therapy after surgery.
- •Pregnancy or lactation; positive of hCG.
- •Body Mass Index (BMI) of 40 Kg/m2 or greater.
- •Patients unable to tolerate general anesthesia defined as an ASA criteria of >
- •Patients with poorly controlled diabetes mellitus (HbA1C >7%).
- •Rationale for Exclusion of Certain Study Candidates
- •Patients with other diseases are excluded to avoid confounding factors that might impact evaluation of safety and efficacy of TRC cell therapy in posterolateral spine fusion.
- •More extensive surgery requiring more than one (1) level fusion is contraindicated in this study, to avoid confounding factors that might impact evaluation of safety and efficacy of TRC cell therapy.
- •In the opinion of the investigator, the patient is unsuitable to cellular therapy or unable to continue with this study.
- •Patients that drink more than 2 alcoholic drinks per day or have a history of illicit drug use at the time of enrollment shall not be enrolled in the study.
- •Patient known to be non-euthyroid at baseline.
- •Patients undergoing active cancer therapy.
- •Bisphosphonate Therapy
- •Patients that have undergone bisphosphonate therapy within the last 10 years.
- •Initiation of bisphosphonate therapy in patients during this study is prohibited.
- •Patients with a known diagnosis of osteoporosis with recorded BMD less than -2.5.
结局指标
主要结局
The primary objective is to confirm that the TRC product, when used as a bone graft, is safe for use in posterolateral lumbar spinal fusion surgery, on the basis of defined radiographic evidence of bone fusion.
时间窗: Throughout duration of study
次要结局
- To assess use of prescription and non-prescription pain control and other drugs in treatment patients as compared to control patients(Throughout duration of study)
- To assess restoration of function for return to activities of normal daily living(Month 6 and Month 12)
- To assess the relative efficacy of TRC graft compared to autologous vertebral bone graft based on the frequency and extent of callus or bone bridging between the adjacent decorticated vertebral processes on each side of the vertebrae.(Imaged by CT at 6 months after surgery)
- To assess surgeon's evaluation of radiographic healing at the site of surgery based on flexion and extension radiographs, as well as 2AP and lateral radiographs, and of clinical resolution(Baseline, Month 6 and Month 12)
- To assess reduction in pain scores at site of back surgery(First 3 months post-treatment)
研究者
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