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The HLA-B*57:01 allele is associated with a hypersensitivity reaction to abacavir, and its prevalence varies in different populations. The aim of the study was to investigate HLA-B*57:01 prevalence in the Czech HIV-infected population. HLA-B*57:01 prevalence in our cohort was 5.33%, which is similar to the situation in other Central European countries. [ABSTRACT FROM AUTHOR]

Antiretroviral therapy represents an essential element in the approach to treatment and prevention of human immunodeficiency virus (HIV). It has changed the fatal disease to a manageable chronic condition and is the most effective prevention of its human-to-human transmission. Knowledge regarding biological characteristics of the virus, its behavior in a human host and our understanding of these phenomena have been extended by clinical experience, new clinical data and recent scientific progress. The development of new drugs becomes a modifier for the existing therapeutic strategy and preference. Certain points are more specific than in the previous guidelines. Definitions of certain clinical and laboratory conditions have been specified more accurately. The indications of specific antiretroviral agents and pitfalls of their use in lifelong antiretroviral treatment are also described more in detail. The document is a result of a general consensus among infectious disease specialists working with HIV patients in the Czech Republic. It should serve as a basic instrument for clinicians recommending treatment of HIV infection as well as a foundation for the society when dealing with both state authorities and health care payers.

Presented are general principles of care for HIV-infected persons following their admission to an AIDS care center, initiation of antiretroviral therapy and follow-up. Scientific research, drug development and new clinical data in recent years have led to a change in certain therapeutic perspectives and preferences for the treatment of HIV infection. Certain conditions are better specified, which affect the choice of antiretroviral regimens. Procedures and criteria for monitoring the effect of treatment and indication of post-exposure prophylaxis are specified. The development of this document was based on the latest updates of the most prominent international and European recommendations. It also reflects some of the new scientific information published in recent months. However, general recommendations cannot fully cover all the possible alternatives. They only state basic principles based on current clinical studies, clinical observation and practice. The present document should be the basic source of information for physicians involved in the treatment of patients with HIV infection and should provide a quick reference when selecting treatment regimens in terms of modern pharmacotherapy as well as information on the pitfalls of this treatment. Finally, it should be a support for negotiations between the professional society, state authorities and health care payers.This updated version of the guidelines follows the 2012 edition; once again, they are supplemented by a modified tabular overview.