Inadequate Vitamin D Exacerbates Parathyroid Hormone Elevations in Tenofovir Users

AIDS Research and Human Retroviruses: "In this cross-sectional study of HIV-infected men on ART, the use of TDF [tenofovir] and the level of 25(OH)D were independently associated with PTH levels. Because TDF is a potent and widely used antiretroviral drug, information about cofactors that may exacerbate its side effects is of significant clinical value."