Investigating ethical challenges in Alzheimer’s clinical research
senior man with dementia disease putting shoe in microwave oven

Investigating ethical challenges in Alzheimer’s clinical research

### Investigating Ethical Challenges in Alzheimer’s Clinical Research

Alzheimer’s disease is a complex condition that affects millions of people worldwide. While researchers are working hard to find new treatments and understand the disease better, there are many ethical challenges that need to be addressed. In this article, we will explore some of these challenges and how they can be overcome.

#### Informed Consent: A Critical Ethical Requirement

One of the most fundamental ethical requirements in any research is informed consent. This means that participants must fully understand what the research involves, including any potential risks and benefits. For people with Alzheimer’s, this can be particularly challenging because the disease affects their ability to make decisions.

Researchers have developed various methods to ensure that people with Alzheimer’s can give informed consent. These include “adapted consent,” where the consent process is tailored to the individual’s level of understanding, and “supported decision making,” where family members or caregivers can help make decisions on their behalf[1].

#### Ensuring Respect and Autonomy

People with Alzheimer’s should have the right to accept risks in research and contribute to scientific progress. However, it is crucial to protect them from unrealistic expectations or exaggerated claims about the benefits of the research. This ensures that their decisions are truly informed and align with their values and personal interests[1].

#### Addressing Fraudulent Science

Unfortunately, there have been instances of fraudulent science in Alzheimer’s research. This can lead to a waste of resources and harm to patients. For example, the “amyloid hypothesis” was a widely accepted theory that amyloid plaques cause Alzheimer’s, but numerous studies have shown that this hypothesis may not be entirely accurate. This has led to the development of ineffective treatments that have failed to improve cognitive decline[2].

#### Ethical Considerations in Digital Phenotyping

With the advancement of digital phenotyping, researchers can now collect vast amounts of data using artificial intelligence. This technology can help diagnose Alzheimer’s more accurately, but it also raises ethical concerns. For instance, individuals’ decision-making capacity cannot be assumed, and understanding analytical results may be limited. Ensuring that information is relayed in a way that is highly customized to the individual’s ability to understand results and make decisions is crucial. Additionally, protecting privacy is essential in digital phenotyping[4].

#### The Role of Public Involvement

Public involvement in Alzheimer’s research is vital for addressing ethical challenges. Organizations like Alzheimer Europe engage people with lived experience in discussions about informed consent forms and processes. This helps ensure that the values and interests of people with Alzheimer’s remain central throughout the research process. By involving people with lived experience, researchers can better understand the barriers and facilitators of informed consent, ultimately improving research practices[1].

#### Conclusion

Investigating ethical challenges in Alzheimer’s clinical research is crucial for ensuring that participants’ rights and well-being are protected. By focusing on informed consent, ensuring respect and autonomy, addressing fraudulent science, considering ethical implications of digital phenotyping, and involving people with lived experience, researchers can make significant strides in this field. These efforts will not only improve the quality of research but also contribute to the development of more effective treatments for Alzheimer’s disease.