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Articles sur Clinical trials

Affichage de 21 à 40 de 174 articles

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.
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 lab technician holds a vial of a COVID-19 vaccine candidate during testing at the Chula Vaccine Research Center, run by Chulalongkorn University in Bangkok, Thailand on May 25, 2020. (AP Photo/Sakchai Lalit)

Explainer: How clinical trials test COVID-19 vaccines

Will a vaccine for COVID-19 be safe? Animal testing, human clinical trials and post-approval surveillance give us good grounds to believe that a future approved vaccine will work and be safe.

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