HIV/AIDS: What New Treatment Options Are Available?
In an article I wrote earlier this year, I shared some optimism from the medical and scientific community about the possibility of a cure for HIV.
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Research continues, but new studies indicate there are still some significant challenges to reach a cure. If a cure for HIV is discovered, it may not be effective for everyone. If the successes continue and we reach our goal, we’re still years away from any cure being widely available. But even though we can’t cure HIV yet, we can certainly treat it. Current estimates suggest that a substantial percentage of those infected may be able to live close to a normal lifespan. Yet patients may develop resistance to their HIV medications and need to change therapy. Some drugs may cause toxicities which restrict their use in patients at risk. Also, patients may have other diseases or may be taking other drugs that are incompatible with certain HIV medicines. The bottom line is that we need new drugs. As we approach World AIDS Day 2013 on December 2nd, we have much to celebrate with some new treatments that are either available now or may soon be available. Let me introduce you to some of them.
Teaching an old dog new tricks.
Yes, you can teach an old dog new tricks. Tenofovir (Viread, in combination, Truvada) has been around for over ten years (that’s a long time in the HIV medicine world). It is a strong drug against HIV and has been used safely in tens of thousands of patients. It can also be used for HIV prevention in PreP (pre-exposure prophylaxis). In some circumstances however, it can cause damage to the kidney and some patients may experience loss of bone, similar to osteoporosis. It is easy for your medical provider to monitor for these effects. If detected, these problems will usually go away after your provider stops the medicine. A new form of this drug is available. It is tenofovir alafenamide. It is essentially tenofovir that has learned a few new tricks. Some minor changes to the drug makes it get into the tissues easier and suppress the virus while less of the drug circulates to potentially cause side effects. In clinical studies, tenofovir alafenamide has been shown to be even safer than tenofovir and causing fewer effect on the kidney and bone.