New study reveals methylphenidate improves oculomotor function in multiple sclerosis (Ritalin)

Medical Xpress / Kessler Foundation / Frontiers in Neurology ^ | June 26, 2024 | Timothy J. Rich et al

[ConservativeMind]

A pilot study conducted by researchers has shown promising results in the use of methylphenidate to enhance oculomotor function in individuals with multiple sclerosis (MS). The findings could have significant implications for the treatment of visual and cognitive impairments associated with MS.

The pilot randomized placebo-controlled trial involved 11 participants with MS who were randomly assigned to receive either methylphenidate or a placebo for four weeks plus crossover treatment for four more weeks after a seven-day washout period. Assessments of oculomotor speed, using the King-Devick test, and information processing speed, were conducted before and after each treatment phase.

"We observed a notable improvement in the oculomotor speed of participants during methylphenidate administration compared to the placebo," stated lead author Timothy J. Rich, Ph.D., OTR/L. "This improvement in eye movement speed correlated directly with enhanced performance on visuomotor tasks, which are crucial for everyday functions."

Silvana L Costa, Ph.D. added, "Our findings suggest that methylphenidate could be a beneficial treatment for MS patients, particularly for those experiencing oculomotor deficits that affect their visual processing speed and, subsequently, their quality of life."

The study also investigated the relationship between changes in oculomotor function and visuomotor information processing speed, finding a significant correlation between improved oculomotor speed and better outcomes on the Symbol Digit Modalities Test, a visuomotor assessment. However, no significant correlation was found with the Paced Auditory Serial Addition Test, which assesses auditory-verbal information processing speed.

"These results are promising," noted Dr. Costa, "offering a potential pathway to mitigate some of the cognitive and visual symptoms that are prevalent in MS."

[ConservativeMind]

Methylphenidate is also known as Ritalin, a widely available Attention Deficit Hyperactivity Disorder drug.

[ConservativeMind]

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