The monkeypox virus is only one mutation away from evading a key antiviral drug being used to treat at-risk patients, federal health officials are now warning — and they're urging doctors to be 'judicious' in prescribing the sought-after treatment.
The CDC has been closely tracking mutations in the virus to watch for potential variants that could be resistant to the monkeypox treatment. A portion of positive tests around the country are being forwarded to the agency for genetic sequencing.earlier this month of a"rare" mutation spotted in California that caused"false negative" results on some tests.
"We do know that there's a point mutation that could lead to resistance to tecovirimat or Tpoxx, which is our primary antiviral being used," said Bamrah Morris. by the National Institutes of Health to study the drug, instead of prescribing it themselves, when possible. protocol set up by the CDC. White House officials have touted their efforts to cut down on the paperwork in order to get the drug through this so-called"compassionate use" channel.early promising results collected from patients who have taken the drug through this protocol. Symptoms improved in three days on average.
"Data from randomized controlled trials are critically needed to address knowledge gaps related to efficacy, safety pharmacokinetics in humans with monkeypox, and to monitor for development of resistance to tecovirimat," the FDA's Dr. Adam Sherwat told doctors at a recentSiga Technologies, which manufactures tecovirimat, has been actively supporting the federal trial with supplies to study its drug.
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