NeuralCipher Research overview
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We discuss a shift in the treatment paradigm for OFF episode management in patients with Parkinson's disease, based on clinical experience in the United States (US). Three "on-demand" treatments are currently available in the US as follows: subcutaneous apomorphine, levodopa inhalation powder, and sublingual apomorphine. We empirically propose that "on-demand" treatments can be utilized as a complementary treatment when OFF episodes emerge and can be utilized when needed rather than reserving these treatments only until other treatment approaches (adjustment of baseline treatment and/or addition of adjunctive treatment with "ON-extenders") have failed. Current treatment approaches combine "ON-extenders" with increasing levodopa dosing and/or frequency to treat OFF episodes. Yet, OFF episodes often persist, with a substantial amount of daily OFF time. OFF episode treatment is hindered by variable gastrointestinal (GI) absorption of oral levodopa, reflecting GI dysmotility and protein competition. Novel "on-demand" treatments bypass the gut and can improve OFF symptoms more rapidly and reliably than oral levodopa. With the emergence of novel "on-demand" treatments, we conclude that a shift in treatment paradigm to the earlier, complementary use of these medications be considered.
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