The technique, called a human challenge trial, has been used to evaluate other vaccines.
Tag: Clinical Trials
Breakthrough Drug for Covid-19 May Be Risky for Mild Cases
That study about dexamethasone has arrived with a big asterisk: While it appears to help severely ill patients, it harms others.
Sanofi Accelerates Its Timeline for Coronavirus Vaccine Development
The French drugmaker is testing two types of vaccines in a bid to catch up to competitors.
Dexamethasone Reduces Coronavirus Deaths, Scientists Say
A steroid, dexamethasone, is the first drug shown to help save severely ill coronavirus patients, according to scientists in Britain.
FDA Revokes Emergency Coronavirus Use of Malaria Drugs
The agency said that a review of some studies showed that the drugs’ potential benefits in treating Covid-19 did not outweigh the risks.
New Study Finds Hydroxychloroquine Did Not Prevent Covid-19
The first carefully controlled trial of hydroxychloroquine given to people exposed to the coronavirus did not show any benefit.
Scientists Question Major Hydroxychloroquine Study
Experts demanded verification of data and methods used in a study of drugs to treat Covid-19. The study suggested the drugs might have increased deaths.
Scientists Question Validity of Major Hydroxychloroquine Study
Experts are demanding verification of data and methods used in a study of malaria drugs used to treat Covid-19. The study suggested the drugs may have increased deaths.
Moderna Vaccine Trial: How Upbeat Coronavirus News Fueled a Stock Surge
The desperate hunt for treatments and vaccines has changed how researchers, regulators, drug companies like Moderna, investors and journalists do their jobs.
Coronavirus Vaccine Shows Promising Early Results in China
A trial with 108 participants suggests the vaccine is safe and may be moderately effective. But experts noted that the approach has failed in the past.