Combined taVNS & tDCS in Subacute Stroke Patients

Status Recruiting

Clinical Trial Summary

Ischemic stroke, the most prevalent neurological disorder, is treated with medication and thrombectomy but with limited success, especially in chronic stages where traditional rehabilitation is the primary option. Stroke often leads to post-stroke autonomic imbalance, deteriorating functional outcomes and increasing recurrence risk. Emerging non-pharmacological treatments like Transcutaneous Auricular Vagus Nerve Stimulation (VNS) and Focused Transcranial Direct Current Stimulation (tDCS) offer new possibilities. VNS targets post-stroke tissue injury and promotes healing and neurogenesis, while tDCS aims to enhance motor learning by rebalancing brain activity. Both therapies seek to improve outcomes in both acute and chronic stroke stages.

Clinical Trial Description

Ischemic stroke is the most common neurological disease. The main treatment options include medication and endovascular thrombectomy. The benefits of treatments at acute stage are significant but far from satisfactory. There is no effective treatment for improvement at chronic stage, except traditional rehabilitation. In addition, stroke may induce post-stroke autonomic imbalance, further leading to worse post-stroke functional outcomes and the risk of recurrent stroke. Except for pharmacological therapy against the risk of stroke, non-pharmacological neuromodulation may be proposed as another therapeutic options. Transcutaneous auricular vagus nerve stimulation (VNS) and focused transcranial direct current stimulation (tDCS) may be two of the options. The function of VNS is to modulate post-stroke tissue injury and promote angiogenesis/neurogenesis through non-pharmacological pathway. VNS may increase the parasympathetic activity for balancing the hyper-sympathetic state in the acute stage and enhancing neural plasticity in the chronic stage. On the other hand, the purpose of tDCS is to make substantial motor learning improvements, which may be through the re-balance both excitatory and inhibitory activation between hemispheres after stroke. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06244914
Study type	Interventional
Source	National Cheng-Kung University Hospital
Contact	Pi-Shan Sung, MD,PhD
Phone	+886-62353535
Email	pishansung@gmail.com
Status	Recruiting
Phase	N/A
Start date	February 15, 2024
Completion date	April 30, 2027

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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.

Combined taVNS and tDCS in Subacute Stroke Patients

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms