CD4 and white blood cell declines caused by islatravir are dose-related and reversible, but rule out using it for prevention

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At the International Congress on Drug Therapy in HIV Infection (HIV Glasgow), the drug company MSD (Merck in the US) presented the first detailed data on the unexpected side effects of its first-in-kind anti-HIV drug, islatravir.

MSD showed that it should be possible to take a smaller daily dose of the drug – 0.25 milligrams (mg) – without it causing the falls in CD4 cell, B-cell and total lymphocyte (white cell) counts that halted its clinical development almost a year ago.

However, as MSD announced last month, the larger doses and novel formulations of islatravir that held out the promise of monthly or even yearly dosing – and of a revolution in HIV prevention – won’t now be developed.

Read the full story at Aidsmap.

 

Source : Aidsmap

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