From publication bias to lost in information: why we need a central public portal for clinical trial data

This article outlines the challenges faced in information retrieval for evidence syntheses and provides a proposal for ensuring efficient and complete access to clinical trial records, namely, the establishment of a central, worldwide public portal. Information retrieval for a health technology assessment (HTA) report The aim of information retrieval for evidence syntheses is to identify as many relevant studies and study results as possible; detailed requirements exist for the methods to be applied, including the sources to be searched.1 In 2019, the German HTA agency, the Institute for Quality and Efficiency in Health Care (IQWiG), conducted an HTA on biologicals in rheumatoid arthritis.2 3 One hundred and eighteen relevant studies were identified for which 682 relevant documents, which were sometimes difficult to assign to a specific study, were retrieved from...
Source: Evidence-Based Medicine - Category: Internal Medicine Authors: Tags: Open access EBM opinion and debate Source Type: research