The fight against Alzheimer's continues...
WHY do we need to FIGHT for additional research and treatments?
We need to better understand how Alzheimer’s unfolds. The brain is a complicated organ. Because it’s so difficult to study while patients are alive, we know very little about how it ages normally and how Alzheimer’s disrupts that process. Our understanding of what happens in the brain is based largely on autopsies, which show only the late stages of the disease and don’t explain many of its lingering mysteries. For example, we don’t fully understand why you are more likely to get Alzheimer’s if you’re African American or Latino than if you’re white. If we’re going to make progress, we need a better grasp on its underlying causes and biology.
We need to detect and diagnose Alzheimer’s earlier. Since the only way to diagnose Alzheimer’s definitively is through an autopsy after death, it’s difficult to identify the disease definitively early in its progression. Cognitive tests exist but often have a high variance. If you didn’t sleep well the night before, that might skew your results. A more reliable, affordable, and accessible diagnostic—such as a blood test—would make it easier to see how Alzheimer’s progresses and track how effective new drugs are.
We need more approaches to stopping the disease. There are many ways an Alzheimer’s drug might help prevent or slow down the disease. Most drug trials to date have targeted amyloid and tau, two proteins that cause plaques and tangles in the brain. I hope those approaches succeed, but we need to back scientists with different, less mainstream ideas in case they don’t. A more diverse drug pipeline increases our odds of discovering a breakthrough.
We need to make it easier to get people enrolled in clinical trials. The pace of innovation is partly determined by how quickly we can do clinical trials. Since we don’t yet have a good understanding of the disease or a reliable diagnostic, it’s difficult to find qualified people early enough in the disease’s progression willing to participate. It can sometimes take years to enroll enough patients. If we could develop a process to pre-qualify participants and create efficient registries, we could start new trials more quickly.
We need to use data better. Every time a pharmaceutical company or a research lab does a study, they gather lots of information. We should compile this data in a common form, so that we get a better sense of how the disease progresses, how that progression is determined by gender and age, and how genetics determines your likelihood of getting Alzheimer’s. This would make it easier for researchers to look for patterns and identify new pathways for treatment.
Video and article information provided by: Bill Gates
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