Guarantee-time biasIf a group of trial participants receiving a placebo are monitored/followed up from the moment they enrol in a trial, but the treatment for another group of trial participants does not begin straight away, this time lag can cause bias in the trial. This particular type of bias is called(...)
Half lifeThe time required for half the amount of a medicine to be eliminated from the body.
Hard EndpointThe endpoint of a clinical trial is a pre-defined event: for instance, the occurrence of a disease, the occurrence of a symptom, or a particular laboratory result. Once someone reaches the endpoint, they are generally excluded from further research in the trial.A hard endpoint is an endpoint(...)
Hazard ratioA hazard ratio is a measure of how often a particular event happens in a defined period of time in one group compared to how often it happens in another group.
HMAHeads of Medicines Agencies (HMA) http://www.hma.eu/"
Health eventA health event can be positive or negative. An example of a health event is the development of a disease, an injury, or responding to a medicine.
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