Revitalising clinical trials in Alzheimer's Disease in Europe: exploring ways to enhance the clinical development

Patricia Paukovits, Medical Affairs Advisor, Neurology at Eli Lilly, discusses the challenges faced by the pharmaceutical industry and explores ways to enhance the clinical development of Alzheimer’s disease (AD) research in Europe.

Dementia In Europe magazine, including the special supplement on clinical trials in dementia in Europe.

In summary :

Improvements in Europe’s clinical trials environment are needed to make progress for patients today, especially for challenging conditions such as Alzheimer's Disease (AD), where therapeutic options are limited and the burden on patients and caregivers continues to grow. Public funding plays a crucial role in fostering innovation within the EU, yet the private sector’s involvement, particularly in clinical development, is essential.

The development of new medicines takes many years and is costly and risky, with a large proportion of drug candidates never reaching the market. The complexity and risks associated specifically with the final stages of clinical research demand substantial investments and operational capabilities. Some areas of clinical research fail more often than others, with AD being one of the riskiest with very low success rates and high costs. It is estimated that over the past 25 years, more than $24 billion has been spent on phase III AD clinical research. One of the main challenges in AD research is finding treatments that are both effective in slowing disease progression and safe to administer.

This complexity, combined with the low probability of achieving positive results, has led many pharmaceutical developers to abandon the field. However, recent progress has led to the identification of valid targets and biomarkers. This progress, coupled with refined clinical trial designs and execution strategies, has ended years of setbacks in the area, resulting in the first effective disease-modifying drugs reaching the regulatory approval stage.

To counter this trend and restore Europe’s competitiveness in AD clinical trials, benefiting both patients and health systems, the following key actions are proposed:

  • Harmonise clinical trial approval processes and facilitate stakeholder cooperation i.e., sponsors, sites, regulators and Ethics Committees.

  • Collaborate to develop measures and propose changes to break down barriers and streamline and shorten processes.

  • Improve regulators resourcing, foster multistakeholder dialogue and promote flexible regulatory – industry interactions.

  • Cut red tape to enable cross-border access to clinical trials.

  • Develop new approaches to raise awareness and improve access to trials.

EU-CAR 2024-150

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