Review Question - QID 213650

A 24-year-old HIV-positive homosexual man presents to the clinic with purple lesions on his legs as well as oral lesions as seen in Figure A. He states that for the past couple of months, he has been suffering from insomnia, weight loss, poor appetite, and a depressed mood due to a poor relationship and work circumstances, and has not been consistently taking his highly active antiretroviral therapy. His CD4 cell count at the visit is 198 cells/mm^3. The patient is encouraged to resume his antiretroviral therapy and started on an additional treatment regimen with a drug that stabilizes microtubules in cells. Which of the following is the most likely drug that the patient received?