Campaigners advocating for greater transparency in medical research have sounded the alarm after a recent investigation revealed that results from over 20% of clinical trials conducted across five Nordic countries have never been made public. This troubling finding underscores concerns about “medical research waste” and highlights the need for stronger measures to ensure that valuable findings are not lost to obscurity.
The study, which evaluated the reporting outcomes of 2113 clinical trials conducted at medical universities and university hospitals in Denmark, Iceland, Finland, Norway, and Sweden between 2016 and 2019, found that a staggering 22% of all clinical trial results had not been shared with the public. Despite ethical obligations and best practice protocols calling for the timely publication of trial results, a significant proportion of trials remained unpublished, raising questions about accountability and transparency in medical research.
Professor Gustav Nilsonne from the Karolinska Institutet in Sweden, the lead author of the study, emphasized the pervasive nature of the problem, noting that missing and delayed trial results pose a serious challenge to scientific progress and public health. “Most people I talk to…tend to think that the main reason is that negative results are not as interesting to publish,” said Nilsonne, highlighting a potential bias in the reporting of trial outcomes.
Experts warn that the issue of unpublished clinical trials extends beyond Nordic countries and persists globally, contributing to what has been described as “research waste.” Till Bruckner from TranspariMED stressed the need for comprehensive solutions, including legal requirements for public disclosure, effective monitoring mechanisms, and sanctions for noncompliance. Without robust enforcement and oversight, valuable research findings risk being buried and opportunities for knowledge advancement squandered.
While some countries have made strides in promoting transparency, such as the United Kingdom’s system of central registration and follow-up through the NHS Health Research Authority, challenges remain in ensuring universal compliance. In the United States, despite existing laws mandating the public reporting of trial results, evidence suggests widespread noncompliance and minimal government action to address the issue.
Megan Curtin from Universities Allied for Essential Medicines highlighted the discrepancy between legal requirements and enforcement in the US, noting that thousands of trials are currently out of compliance with reporting regulations. Urgent efforts are needed to hold trial sponsors accountable and uphold the ethical imperative to disseminate research findings for the benefit of patients and the scientific community.
As calls for transparency grow louder, stakeholders across the medical research landscape must work together to address systemic barriers and ensure that the fruits of scientific inquiry are accessible to all. Only through collective action and unwavering commitment to openness and accountability can we strive towards a future where no valuable research goes unpublished, and every patient’s contribution to advancing medical knowledge is honored and respected.