NCT01224119Unknown1 期
A Multi-Center, Randomized, Pilot Study Evaluating Amplex Compared To Autograft Bone In Foot and Ankle Fusion Surgery
适应症
试验速览
- 阶段
- 1 期
- 入组人数
- 24
- 试验地点
- 1
- 主要终点
- Radiographic fusion
研究概览
简要总结
The current research study evaluates an investigational medical device called Amplex B2A(TM) Peptide Enhanced Ceramic Granules ("Amplex") for use in foot and ankle fusion. Amplex is a synthetic bone graft material. The most frequently used graft material is bone collected from the patient (autograft). Autograft involves a secondary incision with the risks of infection and lasting pain.
The purpose of this study is to determine if Amplex is a safe and effective alternative to autograft.
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
- Single (Outcomes Assessor)
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
- •Indicated for foot and ankle surgery described as either a single, double or triple arthrodesis of the ankle, subtalar, calcaneocuboid or talonavicular joints.
- •Have the ability to understand the requirements of the study, to provide written informed consent, and to comply with the study protocol
- •Have the ability to understand and provide written authorization for the use and disclosure of personal health information (PHI)
- •Be a skeletally mature male or a non-pregnant, non-lactating female at least 18 years of age but not older than age 75
- •If a woman is of childbearing potential (not amenorrheic for the previous 24 months or not surgically sterile), then she must:
- •Have a confirmed negative urine pregnancy test result prior to surgery and the administration of the study product
- •Agree to use a medically approved method of contraception for the duration of the initial follow-up period of the study
- •Agree to participate in postoperative clinical and radiographic evaluations and comply with the required study regimen
- •Have not been sufficiently responsive to an adequate trial of non-operative treatment (e.g. modified activity, analgesics, anti-inflammatories, bracing, orthotics, physiotherapy, vitamin supplements, or injections etc. prior to study enrollment).
排除标准
- •Has a large bone deficit requiring a structural graft
- •Charcot joints from neuropathic destruction.
- •Previous fusion or osteotomy of the proposed site
- •Requires osteotomy or fusion of the midfoot joints
- •Morbidly obese (BMI >45 kg/m2)
- •Women planning to become pregnant during the first year (12 months) following the procedure
- •Female subjects of childbearing potential unwilling to use medically acceptable contraceptive methods (e.g., surgical sterilization, hormonal contraceptives, barrier methods, or intrauterine devices) so as to prevent pregnancy for 12 months following the study procedure
- •Have at the time of surgery a systemic infection or local infection at the site of surgery
- •Have an active history of systemic malignancy.
- •Currently has untreated malignant neoplasm(s), or is currently undergoing radio- or chemotherapy or has been diagnosed with hypercalcemia.
- •Have a medical condition, serious intercurrent illness, or extenuating circumstance that, in the opinion of the Investigator, would preclude participation in the study or potentially decrease survival or interfere with ambulation or rehabilitation (e.g., histories of transient ischemic attack, stroke or liver disease)
- •Has a known complication of diabetes (e.g. retinopathy, renal failure, neuropathic complication in lower limb).
- •Uncontrolled diabetes. If the patient has been diagnosed with diabetes, they must have an Hgb A1C level less than 7 to participate.
- •Have a known hypersensitivity to any of the components of the product [e.g., Hydroxyapatite (HA): Tricalcium Phosphate (TCP) ceramic granule] or a known titanium allergy
- •Receiving active treatment with a drug known to interfere with bone metabolism (e.g. long-term steroid therapy, methotrexate).
- •Have a history of any severe allergy or anaphylaxis, or a history of hypersensitivity to protein pharmaceuticals (e.g., monoclonal antibodies or gamma globulins, recombinant BMPs)
- •Being treated with a bone growth stimulator
- •Have a medical condition requiring radiation, chemotherapy or immunosuppression.
- •Have obvious and/or documented alcohol or illicit drug addictions
- •Are prisoners
- •Have participated in clinical studies evaluating investigational devices, pharmaceuticals or biologics within 3 months of enrollment
- •Have previously been treated with, or exposed to, therapeutic levels of Bone Morphogenetic Proteins (BMPs), i.e., synthetic or recombinant
- •Have a documented medical history of or radiographic evidence of a metabolic bone disease (e.g., avascular necrosis, osteoporosis or osteopenia) or other condition that would negatively impact the bone healing process (e.g. history of Paget's disease, osteomalacia, or other osteodystrophy) or preclude the subject from receiving screw fixation.
- •Require chronic SQ or IV heparin therapies
结局指标
主要结局
Radiographic fusion
时间窗: 6 months
An independent radiologist will assess radiographic fusion based upon CT imaging.
Ankle Osteoarthritis Questionnaire
时间窗: 6 months
This is a questionnaire completed by the subject. It consists of a number of questions concerning the amount of pain in the foot and its effect on functional activities.
次要结局
- Ankle Osteoarthritis Questionnaire(12 months)
- Radiographic fusion(9-12 months)
- Various blood tests(PreOp through 6 months)
研究者
研究点 (1)
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