Abstract
Aim: It is unclear whether a low-level viremia (LLV) status is maintained in HIV-infected patients. Materials & methods: HIV-infected patients with LLV were enrolled and followed up for 5 years. Factors associated with virological outcomes were assessed via regression analyses. Results: A total of 39 patients maintained an LLV status, whereas 19 had disease progression with a viral load of ≥1000 copies/ml. LLV duration and drug resistance (DR) were associated with virological failure. Among the DR cases, the most frequent mutations were M184V/I (70.4%) and K103N (40.7%). Protease inhibitor (PI) mutations were rare. Conclusion: There is an increased risk for virologic failure in HIV-1-infected patients maintaining LLV for a long time. DR was not a rare phenomenon in LLV patients.
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