Systematic Review on Parkinson's Disease Medications, Emphasizing on Three Recently Approved Drugs to Control Parkinson's Symptoms.

Int J Environ Res Public Health · 2021 · PMC8744877 · PMID 35010624

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did not reach statistical significanceno p-value reported

In a placebo-controlled, double-blind study, olanzapine treated patients were shown to have improvement on UPDRS part II and structured interview for hallucinations, but they did not reach statistical significance.

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