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Switching meds and anemia
Jul 5, 2005

Hello Dr. Bob. My MD is an HIV-specialist and has recently suggested that, due to AZT-aggravated anemia, I switch from Sustiva/Combivir to Sustiva/Ziagen or Sustiva/Videx. I have full confidence in her, but am questioning the efficacy of Ziagen and Videx. Have studies proven that they are equally as effective as Combivir? Thanks! Licious

Response from Dr. Frascino

Hi Licious,

Sustiva/Combivir is a three-drug HAART regimen that has been shown to be effective and potent. One of its potentially limiting factors is AZT-induced anemia. Treatment options for this complication include using Procrit to stimulate the production of new red blood cells or switching off AZT. If you decide to switch, I would not recommend either Sustiva/Videx or Sustiva/Ziagen, as these two options have only two drugs in the regimen (compared to your previous three). There are also potential side-effect issues to consider possible hypersensitivity for Ziagen, neuropathy or pancreatitis for Videx, etc. Out of the many potential options, my current personal preference would be Sustiva/Truvada (Emtriva + Viread). Discuss all the potential options with your HIV specialist. There are many factors that must be taken into consideration when selecting a new regimen resistance, drug-drug interactions, pill count, dosing schedule, etc.

Good luck, Licious,

Dr. Bob


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