Am I developing resistance to Truvada/Isentress?
Aug 4, 2012
I was on Viracept, Epivir, Zerit for 15 years. I never developed resistance. Then one year ago, switched to Truvada, Isentress. Next, me and my doctor decided to switch to Epzicom, Isentress, but took a viral load test (plus a hla b5701 test) before doing so. My viral load on the Truvada, Isentress came back at 129, up from the less than 20 viral load three months ago. Does this mean I may be resistant to one or more of the drugs in the Truvada Isentress combination? What about switching to Epzicom Isentress Viracept now instead of just Epzicom Isentress? If I did have any resistant virus, the viracept would get rid of it, and then I could drop the viracept 6 months later, and just continue with the Epzicom Isentress.
Response from Dr. Young
Hello and thanks for posting.
A single viral load of 129 doesn't not necessarily mean drug resistance or treatment failure. Indeed, most viral loads in this range (following an undetectable test, and with good adherence) are usually blips, associated with minor infections or vaccinations.
Rather than getting into a discussion about what treatment to use next, I'd suggest optimizing your adherence on your current Epzicom/Isentress regimen and getting another viral load test in a couple of weeks.
Be well, BY
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