Switch from epoetin to darbepoetin alfa in hemodialysis: dose equivalence and hemoglobin stability.

Aim: The objective of the study reported here was to describe dose equivalence and hemoglobin (Hb) stability in a cohort of unselected hemodialysis patients who were switched simultaneously from epoetin alfa to darbepoetin alfa.

Methods: This was a multicenter, observational, retrospective study in patients aged ≥18 years who switched from intravenous (IV) epoetin alfa to IV darbepoetin alfa in October 2007 (Month 0) and continued on hemodialysis for at least 24 months. The dose was adjusted to maintain Hb within 1.

[Human and bovine tuberculosis in Latin America: from the studies about virulence to some tools for its control].

Human and bovine tuberculosis (TB) are currently a serious health problem in Latin America. Although the causal agents were discovered more than one century ago, the control of these illnesses is still beyond our reach: human TB accounts for more than one hundred deaths each day in this region, whereas bovine TB represents a public health risk as well as a major economic problem. We herein analyze the situation of human and bovine TB in Latin America, and present studies from our laboratories on bacterial virulence factors, intrinsic resistance features in the host, and the protective response induced in cattle through vaccination or immunization.