treatment & related issues · treatment & related issues highlights from aids 2012 (and...
TRANSCRIPT
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Treatment & related issues Highlights from AIDS 2012 (and 14th International Workshops on Co-morbidities and Adverse Drug Reactions in HIV, July 2012)
Sean R Hosein
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Topics
• Selected new drugs and up coming all in one
pills or co-formulations
• Cancer risk issues
• The return of Aspirin
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But first…a look inside
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A look at the immune system
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Cells of the immune system
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Another way to look at immunity
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Inside the infected cell – a virus factory
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Several targets need to be hit
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Stribild (the quad)
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Stribild – 3 anti-HIV drugs in one pill
• tenofovir + FTC (Truvada)
• Elvitegravir (new)
• Cobicistat (new)
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Stribild – 3 anti-HIV drugs in one pill
• tenofovir + FTC (Truvada)
• Elvitegravir (new)
• Cobicistat (new), similar but yet different to ritonavir (Norvir)
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Stribild – 3 anti-HIV drugs in one pill
• Taken once daily with food
• For people who are taking treatment for the first time
• Generally safe and effective compared to other commonly used HIV regimens
• Not for people who have kidney dysfunction
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Stribild – the first of many
• darunavir (Prezista) – darunavir + cobicistat + Truvada = “Daruna-quad”
• Atazanavir (Reyataz) – atazanavir + cobicistat + Truvada – “Ata-quad”
• These are further behind in development
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Inside the infected cell – a virus factory
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Experimental integrase inhibitor - dolutegravir
• Tiny pill
• Taken once daily
• May be used against some strains of HIV resistant to other integrase inhibitors
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Experimental integrase inhibitor - dolutegravir
• Dolutegravir being tested in different populations
• Will be put into one pill with these medicines: 3TC + abacavir (Kivexa)
• Long acting dolutegravir formulations being developed – oral and injectable
• Future dosing – once monthly, once every six months?
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Other issues…
• HIV …
• Depression
• Hepatitis C
• Abnormal cholesterol
• High blood pressure
• Diabetes
• Cancer
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Access issues
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Cancer risk
• ART does not completely restore the immune system – HIV-related inflammation continues
• Co-infections: herpes viruses, hepatitis B and C viruses, HPV (human papilloma virus)…
• Substance use
• Other factors
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Thinking about inflammation
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Reducing cancer risk
• Getting help for substance use
• Exercise – can start with short walks
• Vaccinations – talk to your doctor or nurse; hepatitis A and B; HPV
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HIV causes excessive inflammation
• Effective HIV therapy reduces inflammation
• But some signals of inflammation continue
• Over the long-term, this may affect different organ-systems, particularly the heart and blood vessels
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HIV & inflammation
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HIV & inflammation
• In the early 1990s when effective therapy didn’t exist
• Aspirin to reduce inflammation
• Didn’t work
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HIV & inflammation
• In a small and short clinical trial, low-dose Aspirin (81 mg per day)
• Aspirin reduced production of inflammatory substances
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HIV and inflammation
• Larger, longer study needed to assess potential benefit and risk (bleeding)
• Watch for more studies about this cheap and simple drug
• Aspirin should always be taken under medical supervision because of risk of bleeding
• In the meantime, talk to your doctor
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Details
• About Stribild (the quad) – TreatmentUpdate 191, 192:
• www.catie.ca/en/treatmentupdate
• About dolutegravir, Aspirin, HIV-related inflammation: TreatmentUpdate 193
• French link: www.catie.ca/fr/traitementsida
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Details – HIV-related cancers
• CATIE News:
www.catie.ca/en/catienews
www.catie.ca/fr/nouvellescatie
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Acknowledgements
Tim Rogers
Michael Bailey
For more information visit www.catie.ca
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Fin