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Increasingly, clinical trials are using patient-reported outcomes (PROs) as primary outcome measures, so as to improve the assessment of the overall effect of the intervention on the patient as a whole, rather than the more restricted assessment of the intervention on the condition itself. Consistent and reliable measurement of the effects of treatment for the patient is likewise becoming a larger part of clinical practice and reimbursement considerations. This is especially important for treatments that focus on reducing symptoms or improving function, rather than offering cure for a given condition. Measurement of the disease or treatment effect in a patient-centered way is especially critical in patients with neurologic conditions, since brain diseases, more so than other conditions, …
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