神经外科

以下为当前的临床试验。

按位置、状态和其他条件筛选该研究列表。

1. Posterior Fossa Decompression with or without Duraplasty for Chiari Type I Malformation with Syringomyelia

   Rochester, Minn.

   The purpose of this study is to determine whether a posterior fossa decompression or a posterior fossa decompression with duraplasty results in better patient outcomes with fewer complications and improved quality of life in those who have Chiari malformation type I and syringomyelia.

2. A Study to Evaluate the Surgical Removal of Residual Brain Tumors Prior to Recurrence

   Rochester, Minn.

   The purpose of this study is to evaluate the safety and feasibility of surgical resection for pre-recurrent brain tumors. Eligible patients with surgically accessible latent tumors desiring surgical resection will be enrolled to prospectively track short- and long-term outcomes. Safety will be evaluated by quantifying rates of surgical morbidity as compared to patients undergoing RT after surgery, or no surgery for similar latent disease. Variables evaluated will include postoperative complications including death within 30 days, wound infection, length of hospital stay, and readmission rates.

    

    

3. Ommaya Placement For Biomarker Collection

   Rochester, Minn.

   The purpose of this study is to determine the safety and feasibility of intra-operative Ommaya Reservoir placement during a clinically indicated tumor surgery in order to facilitate a longitudinal access to cerebrospinal fluid (CSF) for analysis of exploratory and future tumor biomarkers for individualized monitoring.

    

    

4. Facet Joint Articular Cartilage and Disc and Endplate Cartilage Healthy and Degenerated Characterization

   Rochester, Minn.

   The purpose of this study is to determine the biomechanical, biochemical, and histological properties of human spinal cartilage, in both healthy and degenerated patients, and to compare the properties among the different regions of the spine (cervical, thoracic, and lumbar).

5. A Study to Compare Optimal MRI Timing for Pre-surgical Planning to LINAC-based Therapy

   Rochester, Minn.

   The purpose of this research is to compare two different standard-of-care pre-surgical imaging methods. 

6. Vivistim Registry For Paired VNS Therapy (GRASP)

   Rochester, Minn., Scottsdale/Phoenix, Ariz.

   The purpose of the Vivistim Registry for Paired VNS Therapy (GRASP) is to gather real-world information on patients with arm and hand deficits post-stroke who are considering Vivistim System treatment. Before and after Vivistim System implant, patient data will be collected and reported throughout the therapy process. 

7. Carotid Revascularization and Medical Management for Asymptomatic Carotid Stenosis Trial - Hemodynamics (CREST-H)

   Rochester, Minn., Jacksonville, Fla.

   We aim to determine whether cognitive impairment attributable to cerebral hemodynamic impairment in patients with high-grade asymptomatic carotid artery stenosis is reversible with restoration of flow. To accomplish this aim CREST-H will add on to the NINDS-sponsored CREST-2 trial (parallel, outcome-blinded Phase 3 clinical trials for patients with asymptomatic high-grade carotid artery stenosis which will compare carotid endarterectomy plus intensive medical management (IMM) versus IMM alone (n=1,240), and carotid artery stenting plus IMM versus IMM alone (n=1,240) to prevent stroke and death). CREST-H addresses the intriguing question of whether cognitive impairment can be reversed when it arises from abnormal cerebral hemodynamic perfusion in a hemodynamically impaired subset of the CREST-2 -randomized patients. We will enroll 500 patients from CREST-2, all of whom receive cognitive assessments at baseline and yearly thereafter. We anticipate identifying 100 patients with hemodynamic impairment as measured by an inter-hemispheral MRI perfusion "time to peak" (TTP) delay on the side of stenosis. Among those who are found to be hemodynamically impaired and have baseline cognitive impairment, the cognitive batteries at baseline and at 1 year will determine if those with flow failure who are randomized to a revascularization arm in CREST-2 will have better cognitive outcomes than those in the medical-only arm compared with this treatment difference for those who have no flow failure. We hypothesize that hemodynamically significant "asymptomatic" carotid disease may represent one of the few examples of treatable causes of cognitive impairment. If cognitive decline can be reversed in these patients, then we will have established a new indication for carotid revascularization independent of the risk of recurrent stroke.

8. Adult Spinal Deformity Surgery Real-World Functional Activity

   Rochester, Minn.

   The purpose of this study is to measure objective functional activity and gait and trunk stability in spinal deformity patients utilizing motion analysis testing and accelerometers. This will provide real-world data and evidence in optimizing care for spinal deformity patients.

9. Human Nucleus Accumbens and Associated Brain Networks Using 7T MR Imaging

   Rochester, Minn.

   The objective of this study is to utilize ultra-high-field MR neuroimaging to elucidate the structural and functional anatomy of the human nucleus accumbens and associated brain structures in healthy volunteers and in subjects with substance use disorder.

    

10. Optimizing Rehabilitation Effect with Electrical Stimulation Therapy Rehab

    Rochester, Minn., Jacksonville, Fla.

    The purpose of this study is to evaluate the safety and effectiveness of deep brain stimulation (DBS) of the dentate nucleus area for improving functional status in patients with moderate to severe residual upper-extremity motor impairment due to stroke.