Similar clinical improvement and maintenance after rTMS at 5 Hz using a simple vs. complex protocol in Alzheimer's disease

Publication date: Available online 29 December 2017
Source:Brain Stimulation
Author(s): R. Alcalá-Lozano, E. Morelos-Santana, J.F. Cortés-Sotres, E.A. Garza-Villarreal, A.L. Sosa-Ortiz, J.J. Gonzalez-Olvera
BrackgroundCurrent treatments for Alzheimer's disease (AD) have a limited clinical response and methods, such as repetitive transcranial magnetic stimulation (rTMS), are being studied as possible treatments for the clinical symptoms with positive results. However, there is still seldom information on the type of rTMS protocols that deliver the best clinical improvement in AD. Objetive: To compare the clinical response between a simple stimulation protocol on the left dorsolateral prefrontal cortex (lDLPFC) against a complex protocol using six regions of interest. Methods: 19 participants were randomized to receive any of the protocols. The analysis of repeated measures evaluated the change.ResultsBoth protocols were equally proficient at improving cognitive function, behavior and functionality after 3 weeks of treatment, and the effects were maintained for 4 weeks more without treatment.ConclusionWe suggest rTMS on the lDLPFC could be enough to provide a clinical response, and the underlying mechanisms should be studied.



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