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International Clinical Trials

The Placebo Effect

SUBJECTS’ COMPLETED SCALES

There are many scales completed by subjects and investigators which are used for diagnosing the severity of neurodegenerative diseases. Several types of scales completed by subjects exist, including: visual-analogue scales, questionnaire, trial making tests, and so on. However, these scales are intended mainly for clinical administration, low assay sensitivity, related to clinical rating, and scale deficiencies in the clinical trial. To increase the efficacy of assessment on subjects’ completed scales, independent training and education companies leverage ‘learn and confirm’ methodology to support education programmes for clinical research subjects and patients. Such programmes provide instruction on the completion of patient reported study instruments, including trial diaries and event logs used in clinical research, post-marketing studies and registries.

INVESTIGATORS’ COMPLETED SCALES

Another group of scales is developed for investigators’ administration. The tests are designed to be easily administered by any healthcare professional or trained technician who has received minimal instruction in its use. It can take from five minutes up to one hour to administer the scales.

The scales were originally designed to provide a brief, standardised assessment of a psychiatric patient’s mental status, that would serve to differentiate between organic and functional disorders. However, their major function now is to detect and track the progression of cognitive impairment associated with neurodegenerative disorders such as Alzheimer’s disease.


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Natalia Ezhkova is Project Manager for contract research organisation Synergy Research Group (SynRG). She was educated at Moscow Medical Academy, and holds a Masters degree in Pharmaceutical Science. Prior to joining Synergy Research Group, Natalia worked as a clinical research scientist in the neuroscience group for GlaxoSmithKline, Russia.
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Natalia Ezhkova
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