aidsmap: Experts publish recommendations on managing low-level but detectable HIV

aidsmap news story

An international panel of scientists reviewed the evidence to construct a framework of recommendations on the management of low-level but detectable HIV. The guidance, published in The Lancet HIV by Dr Tommaso Clemente and colleagues, brings together evidence from a scoping review and expert judgement in order to create a shared point of reference for clinicians.

While some other guidelines map out some of the scenarios and how to act on them, a thorough approach to low-level but detectable viral load has not been available so far. Clinicians have therefore lacked a clear roadmap for distinguishing between its different possible causes and for managing the more challenging cases. This persistent low but detectable viral load is often called low-level viraemia.

The recommendations include repeat viral load testing as well as reviewing adherence and drug interactions. Drug resistance testing is recommended especially at viral loads above 200 copies, as well as CD4-to-CD8 ratio assessment if low-level viraemia has lasted at least three to six months. They also agreed on considering viral load in the central nervous system if neurological symptoms are present. Closer viral load follow-up every three to four months is also advised if treatment is continued with no change, and HIV prevention measures should be considered if the viral load is between 200 and 1000 copies.

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