Protease Inhibitors and Elevated Cholesterol & Triglycerides
Jul 31, 2000
I have been in 'drug failure' until taking a PI regimen consisting of ABT-378, Amprenavir, Crixivan & Combivir. Since starting this protocol last March, I have now undetectable levels of HIV for the first time since diagnosed with AIDS in 1992, however, my cholesterol is now at 650 and my triglyceride level is appx. 2500! I subscribe to the low carbohydrate diet approach of Dr. Atkins, and I exercise regularly (cardio vascular and weight training), so I need an adequate caloric intake, which consists of meat, natural fats (animal fat, nuts, olive oil, butter, eggs and EFA supplementation), vegetables and fruit. I believe firmly that overuse of refined carbohydrates are the cause of many diseases. I also believe that if it weren't for the Protease Inhibitors, namely the Norvir contained within ABT-378, my lipid levels would be vastly lower. My doctor has prescribed Tricor & Lipitor, but I have concerns of more side effects such as CoQ 10 depletion & free radical damage. Is there any understanding of the mechanics involved regarding PI therapy and elevated lipid levels so that I may be able to combat it without prescription drugs such as statins and use vitamins and/or super nutrients and antioxidents?
Response from Dr. Henry
Wow -- what a story! I agree that your current regimen is doing very good job from HIV perspective and that the high levels of the PIs achieved with use of ritonavir is key to that but also a likely culprit for the high lipids. Use of fenofibrate and atorvastin is warranted in this setting with careful attention to liver/muscle status. IF you are worried about co enzyme Q levels etc you can take supplements (see book Healing HIV by Jon Kaiser for suggestions). The ACTG is about to start a study using fenofibrate or pravastatin in situations like yours to get more information on benefit/safety. I would check your hormone levels and see a dietician at your clinic for more specific help re:diet. Maybe in 6-12 months if your are still doing well from the HIV perspective yet having major lipid problems that a switch or treatment break might be a consideration. Your situation exposes our ignorance about this topic and the need for answers and better treatment. Keith Henry, M.D.
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