Status:

COMPLETED

RNS® System Pivotal Study

Lead Sponsor:

NeuroPace

Conditions:

Epilepsy

Eligibility:

All Genders

18-70 years

Phase:

PHASE3

Brief Summary

The RNS® System Pivotal study is designed to assess safety and demonstrate that the RNS® System is effective as an adjunctive (add-on) therapy in reducing the frequency of seizures in individuals 18 y...

Detailed Description

NeuroPace, Inc. is sponsoring an investigational device study of the RNS® System, the first closed loop responsive brain stimulator designed to treat refractory epilepsy. The RNS® System Pivotal study...

Eligibility Criteria

Inclusion

  • Inclusion Criteria for enrollment:
  • Subject has disabling motor simple partial seizures, complex partial seizures, and/or secondarily generalized seizures. Disabling refers to seizures that are severe enough to cause injuries or significantly impair functional ability.
  • Subject's seizures are distinct, stereotypical events that can be reliably counted.
  • Subject failed treatment with a minimum of 2 anti-seizure medications.
  • Subject has remained on the same antiepileptic medication(s) over the 3 most recent consecutive months (other than acute, intermittent use of benzodiazepines). Subjects on the ketogenic diet are permitted if the diet has been stable for the preceding 3 months.
  • Subject reports having an average of 3 or more disabling motor simple partial seizures, complex partial seizures and/or secondarily generalized seizures per month over the 3 most recent consecutive months, with no month with less than 2 seizures.
  • Subject is between the ages of 18 and 70 years.
  • Subject has undergone diagnostic testing that has identified no more than 2 epileptogenic regions.
  • Subject is male or a female of childbearing potential using a reliable method of contraception or is at least two years post-menopause.
  • Subject or legal guardian is able to provide appropriate consent to participate.
  • Subject can be reasonably expected to maintain a seizure diary alone or with the assistance of a competent individual.
  • Subject is able to complete regular office and telephone appointments per the protocol requirements.
  • Subject is willing to be implanted with the RNS® System as a treatment for his/her seizures.
  • Subject is able to tolerate a neurosurgical procedure.
  • Subject is considered a good candidate to be implanted with the RNS® System.
  • Note: A subject is still eligible to participate if antiepileptic medication(s) were temporarily discontinued for the purposes of diagnostic or medical procedures during the preceding 3 months.
  • Exclusion Criteria for enrollment:
  • Subject has been diagnosed with psychogenic or non-epileptic seizures in the preceding year
  • Subject has been diagnosed with primarily generalized seizures.
  • Subject has experienced unprovoked status epilepticus in the preceding year.
  • Subject has a clinically significant or unstable medical condition (including alcohol and/or drug abuse) or a progressive central nervous system disease.
  • Subject is taking chronic anticoagulants.
  • Subject has been diagnosed with active psychosis, major depression or suicidal ideation in the preceding year. Subjects with post-ictal psychiatric symptoms need not be excluded.
  • Subject is pregnant or planning on becoming pregnant in the next 2 years.
  • Subject is enrolled in a therapeutic investigational drug or device trial.
  • Subject has an implanted Vagus Nerve Stimulator (VNS) or is unwilling to have the VNS explanted. (VNS therapy must have been discontinued for at least 3 months prior to enrollment.)
  • Subject has had therapeutic surgery to treat epilepsy in the preceding 6 months.
  • Subject has had a cranial neurosurgical procedure (including endovascular procedures) other than an epilepsy surgery involving the skull or brain in the previous month.
  • Subject is implanted with an electronic medical device that delivers electrical energy to the head.
  • Subject is an unsuitable candidate for neurosurgery.
  • Subject requires repeat MRIs in which the head is exposed to the radio frequency field.
  • Subject's epileptogenic region(s) is/are located caudal to the level of the thalamus.
  • Implantation of the RNS® Neurostimulator and Lead(s) would present unacceptable risk.

Exclusion

    Key Trial Info

    Start Date :

    December 1 2005

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    May 1 2011

    Estimated Enrollment :

    240 Patients enrolled

    Trial Details

    Trial ID

    NCT00264810

    Start Date

    December 1 2005

    End Date

    May 1 2011

    Last Update

    August 28 2013

    Active Locations (32)

    Enter a location and click search to find clinical trials sorted by distance.

    Page 1 of 8 (32 locations)

    1

    University of Alabama at Birmingham

    Birmingham, Alabama, United States, 35294

    2

    Mayo Clinic - Arizona

    Phoenix, Arizona, United States, 85054

    3

    University of Southern California

    Los Angeles, California, United States, 90033

    4

    California Pacific Medical Center

    San Francisco, California, United States, 94115