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These stories reveal exploratory findings and that's why they should hold off until there are more tests. They shouldn't get anxious people all excited over something that might cure HIV or might turn the patient into an HIV infected unicorn. Ya never know and shit happens, right? |
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IIRC, patients go through trial-and-error with cocktails to make sure that they're getting the right combination. Once that's found, the risks go down greatly. Transplants/surgeries/etc carry a much greater risk, even with our advancements in medicine. Re: "all-or-nothing" - Just because a patient thinks s/he knows what's best doesn't mean s/he actually does know what's best. Quote:
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I understand that this is research, but if you'd READ my original post, you'd see that the point I was making was that the consequence of being cured of HIV was really just a side benefit of being treated for leukemia. It was not to primary goal of therapy. While people might think of this as future therapy, IMHO (which I get to have with a little more credibility than you, btw) it is not very likely due to the high risks involved with the treatment. Yeah, it's great if you can cure a disease that kills 25% of people that are infected in 10 years (using assumed stats for emphasis) but kills 50% of patients treated in less than 2 weeks. Those risks are greater than the risk of the disease itself. |
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The doctor who treated him in 2009 says the man has no signs of HIV. They do not know whether this is a "cure" or whether using the word "cure" is a leap. |
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While the word "cure" is a leap in my opinion also, it doesn't mean that this isn't a bigger step to finding a cure.
Now it was a transplant, but later could the info they learn from transplants be a vaccine? Who's to say? Regardless, the story itself is interesting |
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Um, it's good news. Even if it isn't a cure.
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The whole article sounded like a House episode to me.
"Let's infect him with malaria to cure him of XYZ disease!" And here everyone is going all Cuddy on this guy. For shame. :p |
AOII Angel... If I understand correctly, the premise of this "cure" is that they wipe out the patient's bone marrow completely, transplant new stems cells into the patient that have an HIV resistant gene, and then the new CD4 cells are HIV resistant, correct?
It has been a little while since my last virology and immunology classes, but isn't HIV a rapidly evolving/mutating virus? I know in patients on the highly specialized drug cocktails, resistance is being seen due to medication non compliance. Would the same not be possible for such a therapy as this? |
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And it's even possible that the chemotherapy had an impact on the virus's reproduction too that's not being accounted for here. Or the cancer competed with the virus for resources, or fought the virus in little sword fights in the flood stream. They don't even know for sure that the stem cells caused it, much less why it worked. This man: Andrew Stimpson is the one whose body apparently fought off the disease. Here's the story: http://www.timesonline.co.uk/tol/new...icle589783.ece He was positive, now he's negative. /leaves the rest for Dr.Angel :p |
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For the record, since physicians really do have more credibility on these things than others, you should know it was a physician who made the assertion that the drug cocktail is what killed that man because it was not the right combination for him. If that's not a valid or true reason based on what you know then you would be completely right--that physician made a huge mistake (or he lied). |
And we must keep in mind that since evolution is real, viruses become immune to medications over time. A non-pharmaceutical alternative to HIV treatment or cure is the only long-term solution. Yes, bone marrow transplant is ugly, dangerous, painful, expensive, etc. etc., but if they can replicate this study it will be excellent news. My guess is the part of the story they're not telling is that the study IS at some stage of replication now.
The question I have for AOII Angel (and I'm glad to find out you are qualified to speak to the issue) is, is there a difference between a stemcell transplant and a bone marrow transplant? I thought I knew what bone marrow transplants were and then an aunt of mine got leukemia, and her treatment was much different than I thought it would be. I used to work at a medical research facility that is a world-leader in stem cell research, and I continue to be very hopeful for a myriad of diseases stem cells can cure, particulary MS. |
It seems that many people are ignoring the fact that this is not just a stem-cell transplant, but a transplant from a matching donor with a rare genetic mutation that is known to increase HIV resistance. Replicating this treatment in a study will be incredibly difficult as well as ethically tricky. It may be something that is replicated on a case-by-case basis with individuals with cancer and HIV who have the money and time to wait for a matching donor with the mutation rather than in an ongoing study due to the risks of the treatment for both donor and recipient.
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The HuffPo article is a blog post and not nearly as well written, but still, original source covers all the important bits. |
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