Clinical trials: Electrodes
Hearing Loss, Cochlear Implant
Cochlear Trauma, Functional and Structural Preservation in Cochlear Implant Surgery
Prospective 2-arm cohort consisting of a preoperative visit and visits at the time of implantation (Day 0) and follow-up in patients for whom their treating physician indicated a perimodiolar or straight cochlear implant.
- Conditions
- Hearing Loss, Cochlear Implant, Cochlear Microphonics, Electrocochleography
- Trial name
- NCT05079867
- Testing
- Cochlear implantation
- Where
- Argentina
- Volunteers
- 40 people
- Sponsor
- Hospital Italiano de Buenos Aires
Sensorineural Hearing Loss, Bilateral Hearing Loss
Long-term Follow-up of a Cochlear Implant With Dexamethasone Eluting Electrode Array
A long-term follow-up of Cochlear's cochlear implant electrode array which passively elutes dexamethasone for a defined period of time to help reduce inflammatory responses.
- Trial name
- CI-DEX-LTFU (NCT06936449)
- Testing
- CI632D, CI632
- Where
- 3 sites in United States
- Volunteers
- 19 people
- Sponsor
- Cochlear
Epilepsy
Hybrid Micro-macro Electrodes in Patients With Epilepsy
The aim of the MicroEPI study is to know whether it is possible to use safely a medical device (a micro-electrode) that allows recording the activity of neurons in the human brain.
- Trial name
- MicroEPI (NCT05335187)
- Testing
- micro-macro electrode implantation
- Where
- 2 sites in Switzerland
- Volunteers
- 30 people
- Sponsor
- Pierre Mégevand
Electrode Site Reaction
Evaluating a New Sensor That Measures the Health of the Retina in Normally-sighted Subjects
The primary purpose of this study is to evaluate the ability of a new contact lens electrode to record a measurable electroretinogram (ERG). ERG sensors in various forms have been in common clinical use for more than 50 years.
- Trial name
- NCT05509608
- Testing
- RM Electrode, ERG Jet Electrode
- Where
- 2 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- RetMap, Inc
Type 2 Diabetes Mellitus
The MILESTONE Study
Sympathetic overactivity induces insulin resistance and type 2 diabetes mellitus (T2DM), so it is assumed that denervation might reduce sympathetic overactivity and improve glucose metabolism and insulin sensitivity.
- Trial name
- NCT04086043
- Testing
- Endovascular Denervation
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Zhongda Hospital
Tumoral or Epileptical Cortectomy
Pre and Per-operative Electrophysiological Cartography of Speech Area With Cortical Electrode Matrices
New method for speech area cartography in patient individual cortical anatomy in view of improving functional area limit preservation during surgery.
- Trial name
- BRAINSPEAK (NCT02783391)
- Testing
- ECoG and intracortical electrodes
- Where
- France
- Volunteers
- 15 people
- Sponsor
- University Hospital, Grenoble
Epilepsy
Brain Infusion of Muscimol to Treat Epilepsy
This study will examine the safety and effectiveness of infusing a chemical called muscimol into the brain to control seizures in patients with intractable epilepsy (frequent seizures that persist despite therapy).
- Trial name
- NCT00005925
- Testing
- Muscimol
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Electrode Malfunction, Infections of Cardiac Electronic Implantable Devices
Safe Traction During Ongoing Lead Extraction Procedure (STOP)
The study will evaluate (in-vitro) the forces that are typically used for the extraction of pacemaker or defibrillator electrodes.
- Trial name
- STOP (NCT01847625)
- Testing
- simulator
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Deutsches Herzzentrum Muenchen
Atrial Fibrillation, Atrial Flutter
Anteroposterior Versus Anterolateral Electrode Position for Electrical Cardioversion of Atrial Fibrillation
Atrial fibrillation is the most common heart rhythm disorder (arrhythmia) worldwide. Nearly 40 million people are affected by atrial fibrillation worldwide, and this number is expected to increase by over 50% by 2050.
- Trial name
- SHOCK-VECTOR (NCT05511389)
- Testing
- Anterolateral electrode position, Anteroposterior electrode position, Manual pressure
- Where
- 4 sites in Canada
- Volunteers
- 1,750 people
- Sponsor
- McMaster University
Meige Syndrome
Bilateral Single-Electrode VO Combined With STN-DBS for Treating Meige Syndrome
Meige syndrome is a rare and debilitating movement disorder characterized by blepharospasm, oromandibular dystonia, and cervical muscle contractions, often refractory to pharmacological therapies.
- Trial name
- NCT06912282
- Testing
- deep brain stimulation
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Huashan Hospital
Hearing Loss
Scalar Localization Cochlear Electrode Array Using 64 Slice CT
Insertion of electrode array in scala vestibuli, rather than the preferred location within scala tympani, leads to loss of native hearing in those patients with isolated high-frequency hearing loss undergoing cochlear…
- Trial name
- NCT00587262
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Mayo Clinic