A small, highly anticipated study shows a glimmer of hope in the long effort to control HIV without medication and search for a cure for a virus that attacks immune cells.

Researchers gave 10 people with HIV a complex regimen of experimental immunotherapies, then discontinued the daily pills that kept the virus at bay. In six participants, the virus rebounded slowly and stayed at a low level for months, and one person’s immune system kept the virus in check for more than a year and a half - giving scientists hope that they could optimize the approach to create a cure.

“It’s provocative, but I’ve been doing treatment interruption studies for 30 years, and this is unexpected and unparalleled,” said Steven Deeks, a professor of medicine at University of California at San Francisco and one o

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