Aphasia Clinical Trial - Efficacy of Low-frequency rTMS in Aphasia

Status Recruiting

Clinical Trial Summary

In a randomized controlled trial, efficacy of low-frequency, inhibitory rTMS will be examined in rehabilitation of acquired aphasia. Two cortical sites will be targeted: Right-hemispheric homologues of Broca's and Wernicke's areas. In addition to cognitive screening prior to onset of rTMS, language assessments will be conducted before, during and after the intervention. An eyetracking-while-listening experiment will also be conducted before and after the intervention to investigate morphosyntactic processing.

Clinical Trial Description

Efficacy of low-frequency (1hz), inhibitory rTMS will be examined in rehabilitation of acquired aphasia. Two cortical sites will be targeted: Right-hemispheric homologues of Broca's and Wernicke's areas. In other words, right frontal and right temporal sites will be targeted. In addition to cognitive screening prior to onset of rTMS, language assessments will be conducted before, during and after the intervention. The language assessment will be conducted using the Turkish Aphasia Language Assessment Test (ADD) and sets of pictures used to assess naming performance. ADD will be carried out before and after the intervention. Six picture sets will be used, one at baseline, four on different days during the intervention, and the last one immediately after the last day of the intervention. Cognitive screening will be conducted at baseline using the digit span test and Raven's colored progressive matrices. In addition, a pre- and post-treatment eyetracking-while-listening experiment will be conducted to investigate morphosyntactic processing in Turkish and to examine whether the two brain stimulation interventions differentially affect online (dynamic, time-dependent) measures of morphosyntactic processing. The eyetracking paradigm will request the participants to listen to Turkish sentences varying in morphosyntactic complexity (canonical versus noncanonical sentences) and to look at the picture (out of two pictures presented on the screen) corresponding to the sentence they are listening to. ;

Study Design

Related Conditions & MeSH terms

Aphasia

Clinical Trial Details

NCT number	NCT05450341
Study type	Interventional
Source	Medipol University
Contact	Talat Bulut, Ph.D.
Phone	+905313327754
Email	tbulut@medipol.edu.tr
Status	Recruiting
Phase	N/A
Start date	July 18, 2022
Completion date	March 2023

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.