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Artículos sobre Clinical trials

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Alzheimer’s disease is characterized by progressive memory loss, spatial disorientation and many other cognitive and behavioural disorders that ultimately lead to a state of total dependence. (Shutterstock)

FDA approval of controversial Alzheimer’s drug could delay discovery of more promising treatments

The new drug is based on the idea that a build-up of amyloid in the brain leads to the disease. But that hypothesis has been under scrutiny lately.
Do the benefits of approving a drug before confirming it works outweigh the potential costs? monkeybusinessimages/iStock via Getty Images Plus

The FDA’s big gamble on the new Alzheimer’s drug

The FDA approved Alzheimer’s disease drug aducanumab despite minimal evidence of its efficacy. Whether this decision ultimately hurts or helps patients depends on data researchers don’t yet have.
Currently, the only approved drugs for Alzheimer’s merely alleviate some of the symptoms — partially and temporarily — but do not stop the disease from progressing. (Shutterstock)

Why don’t we have a cure for Alzheimer’s disease?

It was first officially described 115 years ago, but we still do not have a cure for Alzheimer’s disease. The human brain is extremely complex, and Alzheimer’s is its most complex disease.
A COVID-19 vaccine is administered at a clinic at Olympic Stadium in Montréal on March 1, 2021, marking the beginning of mass vaccination in the Province of Québec based on age. THE CANADIAN PRESS/Paul Chiasson

COVID-19 vaccine FAQs: Efficacy, immunity to illness vs. infection (yes, they’re different), new variants and the likelihood of eradication

With four COVID-19 vaccines approved for use in Canada, it’s time to answer FAQs about efficacy, immunity, eradication and variants.
A nurse prepares a shot for a clinical trial of a COVID-19 vaccine candidate developed by the National Institutes of Health and Moderna Inc., on July 27, 2020 in Binghamton, N.Y. (AP Photo/Hans Pennink, File)

COVID-19 vaccine FAQ: 6 things to look for in clinical trial results

With COVID-19 vaccine announcements making headlines, non-scientists need to know what clinical trial results mean. Here are some key points to look for in vaccine trial reports.

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