Intradural Percutaneous Stimulation

Status Withdrawn

Clinical Trial Summary

The purpose of the study is to test the effects of intradural, spinal cord stimulation using a device placed in the same manner as a lumbar drain performed during a standard epidural spinal cord stimulation (SCS) trial routinely performed prior permanent lead and stimulation device implantation.

Clinical Trial Description

In this pilot study the investigators will test an ability of intradural electrical stimulation in humans to elicit physiological responses (paresthesia or tingling sensation) and decrease pain when placed in the region of the thoracic spinal cord in a controlled manner. This subject population is comprised of patients that had previously failed various conservative pain management treatment plans and are deemed candidates for treatment of pain by spinal cord stimulation. The investigators will use commercially available device to deliver an intradural electrical stimulation to the spinal cord. This device is FDA approved for intracranial electrophysiological monitoring and delivery of electrical stimulation of the subsurface level of the brain. As a part of the study, the subject will be offered to complete the following questionnaires to assess quality of life and global function. These questionnaires will be completed prior the procedure and at specified time periods following the research intervention. The experimental portion of the procedure will follow the standard epidural spinal cord stimulator testing. Under fluoroscopic guidance, using a paramedian approach and shallow entry angle, the device will be placed percutaneously at the lumbar spine at L2-3 or L3-4 level into the intrathecal cerebrospinal fluid (CSF) space and advanced to the T8-10 disc space. The stimulation catheter will run through a standardized experimental algorithm further described in greater details. The initial stimulation will last approximately 30 minutes and involve testing for paresthesias (tingling) and measurement of the threshold signal strength for onset of this sensation at 60 hertz (Hz) and 10000 Hz frequences. During this portion the subject will be asked to describe the sensations and rate his or her pain on a 0 to 10 scale. Following this initial stimulation, the frequency will be changed to 10 kilohertz (KHz) to run over the period of 4 hours. The investigators will continue evaluating the effects of stimulation using visual analogue scores during this period of time. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03380104
Study type	Interventional
Source	University of Iowa
Contact
Status	Withdrawn
Phase	N/A
Start date	June 1, 2020
Completion date	June 1, 2020

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.