Switching Zerit & Videx EC for Combivir
Dec 16, 2002
Hey docs...Here's my situation: I've been on Zerit, Videx (first the chewables, now EC) & Sustiva made available through clinical trials for 3 years now. VL has been undetectable and CD4 is floating around 600-700 (29-32). Now that my study has ended, my doctor is making the suggestion that I switch from Zerit & Videx EC to Combivir to elimitate the side effects of facial wasting. I don't have a lot of fat on my body to begin off with (5'10; 155lbs), so any amount of wasting would probably be noticible on me. Do you think this is a good or would you recommend a different combination? I have had geno-typing done 3 years ago with the result showing no resistance. Thanks!
Response from Dr. Boyle
This is a very tough decision, especially since I take it from your question that you are currently tolerating the Zerit (stavudine) and Videx (didanosine) well and that you do not currently have any lipoatrophy. I think it is reasonable to consider a change, although staying on the current regimen with careful monitoring is fine too. If you have not developed lipoatrophy on this regimen after 3 years, the chances are relatively small that you are going to do so. Still, the risk of other toxicities remains somewhat higher with the combination of stavudine and didanosine, and you might wnat to consider a change even separate from the lipoatrophy issue. If you are going to consider a change, I would suggest a change of the stavudine for Epivir (lamivudine) or Viread (tenofovir) making it a once-daily regimen and decreasing the risk of toxicity. Of course, if you change to tenofovir, the didanosine dose will need to be adjusted. Good luck.
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