Deep Brain Stimulation (DBS) for the Suppression of Tremor

Status Completed

Clinical Trial Summary

The purpose of the proposed study is to demonstrate the safety and efficacy of the ANS Totally Implantable Deep Brain Stimulation System in the VIM nucleus of the thalamus implanted for the treatment of tremor due to essential tremor. This study will be included in the Pre-Market Approval Application to support the safety of this device in use.

Clinical Trial Description

This study is designed as a prospective, multi-centered study for 365 days in duration from device implantation. A maximum of 12 sites will enroll 160 patients. Each patient will be screened and then undergo a baseline evaluation followed by unilateral or bilateral implantation of the DBS system. During the implantation procedure, each patient will undergo a trial of stimulation in the operating room. The device may be internalized after a successful intra-operative trial or at a later surgery (no later than 4 weeks after initial lead placement). If the device is not activated immediately postsurgery, the patient may return to the clinic to determine optimum stimulation programming. Device programming will be optimized in as many visits as necessary following implantation. The day that the device is fully implanted will be classified as "Day 0" for each patient. After "Day 0" the patient will return to clinic for evaluations at, Day 90 (±14 days), and Day 180 (±14 days) and Day 365 (approximately 12 months ± 30 days after Day 0). These evaluations consist of the CRST, the QUEST, the SF36, Patient and caregiver Global Ratings and the Patient Satisfaction Rating. At Baseline and Day 180, the CRST evaluation session will be video recorded for analysis by an independent evaluator unaware of the functioning of the device. Additionally, at the Day 180 visit, the physician will have the option to provide the patient with amplitude control. A comparison of measures within the same person from pre-treatment to post-treatment will be performed. Also, pre-treatment and post-treatment group means and standard deviations will be determined. Patients completed follow-up visits as part of the original protocol (C-04-02) for one year (or in some cases longer if patient was bilaterally implanted) and continued to complete additional visits as part of the Long-Term Follow-up protocol (C-06-03) for up to 5 years post implant. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02087046
Study type	Interventional
Source	Abbott Medical Devices
Contact
Status	Completed
Phase	N/A
Start date	October 2005
Completion date	December 2017

View Details

See also
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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.