Handling of statistical heterogeneity in meta-analyses of observational studies on treatment comparative effectiveness

For some diseases, several treatments are available and it is therefore necessary to compare their effectiveness. When several studies have been published on such comparison, it is becoming common practice to combine the results through a method called meta-analysis. Combining results is however challenging owing to differences in populations and methodologies between studies. Not to […]

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Definitions of schizophrenia relapse as a study outcome and impact on the comparative effectiveness of oral versus injectable antipsychotics in the real-world setting

Schizophrenia is a devastating disease for which there is no cure. Available treatments aim at minimizing the symptoms. However, patients often stop taking their tablets, which leads to a worsening of their symptoms, referred to as relapse. In order to avoid the problems of discontinuation, some treatments are administered through an injection. Several studies have […]

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Implementation of risk minimization measures and trends over time in the frequency of outcomes

Opioid-related harms such as abuse, misuse, addiction, diversion and overdose have been rising exponentially, a phenomenon referred to as the opioid epidemic. The current research will examine federal and provincial risk minimization measures (RMMs) regarding the opioid epidemic starting in 2016. We will develop a landscape of federal and provincial opioid RMMs, describe trends over […]

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