Medicinal plants are used in therapy either as medicines or as products belonging to other categories. The use of these products is usually not proposed or controlled by physicians, hence there is limited information available on their utilization patterns and safety. Several prospective and retrospective studies have analysed the use and the impact of certain products in different pathologies; however, in most of the cases, the body of evidence on the safety and efficacy is insufficient. The aim of the proposed PhD research is to collect data on the use of plant-based products in different patient groups by questionnaires and registries and to assess the efficacy and the safety of various products used in self-medication in meta-analyses and clinical trials as well.
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