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NCT02320136 Clinical Trial

Recording High Frequency Oscillations in Patients With Tumors and Epilepsy

Epilepsy Clinical Trial

— HFO  

Official title:
Recording High Frequency Oscillations in Patients With Tumors and Epilepsy.

Clinical Trial Details — Status: Enrolling by invitation

Administrative data
NCT number NCT02320136
Other study ID # HFO
Secondary ID
Status Enrolling by invitation
Phase
First received
Last updated
Start date June 2014
Est. completion date December 2025

Study information
Verified date November 2023
Source University of Zurich
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The investigators want to characterize high-frequency oscillations (HFOs) in intracranial recordings, which may occur as markers of epileptogenic tissue and also under physiological stimulation. The investigators want to show that recording of high-frequency oscillations (HFOs) is feasible in our project population both intraoperatively and during presurgical physiological conditions.

Recruitment information / eligibility
Status Enrolling by invitation
Enrollment 120
Est. completion date December 2025
Est. primary completion date December 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 99 Years
Eligibility Inclusion Criteria: - Patients intend to be treated at the Klinik für Neurochirurgie - Patients fall into one of the patient groups: (1) Patients with symptomatic epilepsy with focal and/or secondary generalized seizures resistant to medication where a neurosurgical resection is considered as an intervention of epilepsy surgery. (2)Patients where a tumor is planned to be resected that has caused preoperative seizures. (3) Patients where a tumor is planned to be resected that has not caused preoperative seizures. - Male and Female subjects 18 years to 99 years of age - Written informed consent after participants' information Exclusion Criteria: - contraindications on ethical grounds - known or suspected non-compliance, drug or alcohol abuse, - enrolment into a clinical trial within last 4 weeks

Study Design

Related Conditions & MeSH terms

Intervention

Behavioral:
• cognitive testing
patients perform simple tasks like watching a video or memorizing items

Locations
Country Name City State
n/a

Sponsors (1)
Lead Sponsor Collaborator
University of Zurich

Outcome
Type Measure Description Time frame Safety issue
Primary HFO (high-frequency oscillations) occurrence 1 week
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