The FDA is evaluating rare reports of 'viral load rebound' after completing Paxlovid treatment.
to the FDA for emergency use authorization of Paxlovid stated that in the placebo-controlled clinical trial — which included 2,246 participants — “several subjects appeared to have a rebound in SARS-CoV-2 RNA levels around Day 10 or Day 14” after beginning treatment.
Charness speculated that when people start Paxlovid during the first day or two following Covid-19 symptoms, the early suppression of the coronavirus might compromise the immune system’s response to the infection. Because Paxlovid is not yet fully approved by FDA, doctors are not permitted to use their discretion to prescribe it for longer periods.Some health care providers do, however, believe the emergency use authorization permits them to prescribe a second Paxlovid course to people experiencing relapse.
“Should recurrent cases isolate again? Does the EUA allow for repeat treatment and how does the NIH treatment guidelines committee consider use in those at high risk for recurrence like those immune compromised?,” Klausner asked.
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