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http://www.newsday.com/news/health/ny-usaids144145175feb14,0,6505213.story?coll=ny-health-headlines
BOSTON - Massachusetts doctors have treated several HIV patients with a resistance to some of the most commonly prescribed treatments, raising further concerns about a possible new, drug-resistant strain of the virus.
The patients' resistance to drug treatment is similar to that in a New York City case that has sparked widespread concern among public health experts, the Boston Herald reported.
Dr. Gregory Robbins, an infectious-disease expert at Massachusetts General Hospital, said doctors there have treated several HIV patients in recent years with early resistance to two of the four drugs most commonly prescribed to treat infection.
"There is global concern that there may be an increasing amount of patients who have a resistant virus," Robbins said.
In the New York case, an unidentified man in his mid-40s was diagnosed with a rare strain of HIV in December.
He showed an immediate resistance to three classes of HIV drugs, and his infection progressed to AIDS within three months.
Drug resistance is increasingly common among HIV-positive people, but not with such a fast progression to AIDS, said Ron Valdiserri of the Centers for Disease Control and Prevention.
He said public health officials have not confirmed any other similar cases.
Still, public-health officials around the country are closely monitoring the case to determine the extent of the threat, said Dr. Alfred DeMaria, director of communicable disease control for the Massachusetts Department of Public Health.
The man in the New York case apparently had used the recreational drug crystal methamphetamine and had unprotected sex with multiple male partners.
One issue doctors are looking at is the connection between methamphetamine abuse and resistance to the AIDS drugs.
"This isolated instance is a wake-up call to show where resistance is going and why we need to make sure people don't get HIV infections in the first place," DeMaria said.