twenty years of antiretroviral therapy: lessons learned and unmet needs benjamin young, md phd rose...
TRANSCRIPT
![Page 1: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/1.jpg)
Twenty Years of Antiretroviral Therapy:Lessons Learned and Unmet Needs
Benjamin Young, MD PhD
Rose Medical Center
Division of General Internal Medicine
University of Colorado Denver and Health Sciences Center
Denver, Colorado
![Page 2: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/2.jpg)
![Page 3: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/3.jpg)
![Page 4: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/4.jpg)
Overview
Evolution in antiretroviral therapies Changing complexion of HIV epidemic New antiretrovirals Unmet needs
![Page 5: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/5.jpg)
Denver, Colorado
~2.5 million pop. ~8700 HIV/AIDS
Majority MSM Majority white 3000 deaths
![Page 6: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/6.jpg)
Monarch pass, Colorado
![Page 7: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/7.jpg)
Russia
![Page 8: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/8.jpg)
26 years of the 26 years of the EpidemicEpidemic26 years of the 26 years of the EpidemicEpidemic
HIV/AIDS is one of the most formidable public health and HIV/AIDS is one of the most formidable public health and scientific challenges ever confrontedscientific challenges ever confronted
In just two decades, remarkable advances have been made in In just two decades, remarkable advances have been made in the fight against AIDS, but the toll has been staggeringthe fight against AIDS, but the toll has been staggering
1985:1985:– 0 drugs0 drugs– Little known about HIV Little known about HIV
mechanism of actionmechanism of action– Little support for HIV patientsLittle support for HIV patients
who need access to treatmentwho need access to treatment– 16,000 U.S. AIDS cases 16,000 U.S. AIDS cases
reported; 20,000 globallyreported; 20,000 globally
2007:2007:– 27 therapies; 4 drug classes, 2 classes in early 27 therapies; 4 drug classes, 2 classes in early
accessaccess– Major advance in knowledge about Major advance in knowledge about
viral lifecycleviral lifecycle– Network of federal and local Network of federal and local
programsprograms– Over one million people with HIV in U.S.; Over one million people with HIV in U.S.;
38 million worldwide38 million worldwide
Note: U.S. HIV/AIDS statistics from CDC;global statistics from WHO (1985), UNAIDS (2005)
![Page 9: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/9.jpg)
Let’s Go Back to Let’s Go Back to 19951995
![Page 10: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/10.jpg)
![Page 11: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/11.jpg)
1995-1997: 1995-1997: Hope for the First TimeHope for the First Time 1995 1st PI (saquinavir) approved1995 1st PI (saquinavir) approved 1996 1996
First reports of ritonavir extending lifeFirst reports of ritonavir extending life Greeted with skepticism at CROIGreeted with skepticism at CROI
RTV, IDV approved RTV, IDV approved NNRTI (nevirapine) approved by FDA NNRTI (nevirapine) approved by FDA Mortality declinesMortality declines
““Highly Active Antiretroviral Therapy”Highly Active Antiretroviral Therapy” Transformed lives of PWAsTransformed lives of PWAs
- Health improvesHealth improves
- Many return to workMany return to work
![Page 12: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/12.jpg)
QuickTime™ and aTIFF (Uncompressed) decompressor
are needed to see this picture.
![Page 13: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/13.jpg)
HOPS: Mortality and HAART Use Over Time Updated 2Q2004
0
2
4
6
8
10
12
14
1994Q2 1995Q2 1996Q2 1997Q2 1998Q2 1999Q2 2000Q2 2001Q2 2002Q2 2003Q2
Quarter
Deaths per 100 person-years
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
% of Patients on HAART
Deaths per 100 Person Years% Patients on HAART
![Page 14: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/14.jpg)
HOPS: Opportunistic Infections (patients with CD4 < 100)
0
5
10
15
20
25
1994Q21995Q21996Q21997Q21998Q21999Q22000Q22001Q22002Q22003Q2
Quarter
Infections/100 person-years
CMV RetinitisMACPCP
![Page 15: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/15.jpg)
AIDS in Colorado: Survival by year of diagnosis
0102030405060708090
100
1987 1990 1993 1996 1999 2002 2005
PercentLiving
*CDPHE 2006
![Page 16: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/16.jpg)
![Page 17: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/17.jpg)
Initial Problems with ART
Tolerability High pill burden Diet restrictions
Adherence Short term toxicity
Neuropathy, Pancreatitis Long-term toxicity
Lipodystrophy Cardiovascular disease
![Page 18: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/18.jpg)
New Ideas 1997-2001New Ideas 1997-2001
New strategies come and goNew strategies come and go MegaHAARTMegaHAART
Hydroxyurea/ddIHydroxyurea/ddI
IntensificationIntensification
New laboratory tests bring new insights, but more New laboratory tests bring new insights, but more complicated decisionscomplicated decisions Viral loadViral load
Resistance testingResistance testing
New and investigational therapies offer hopeNew and investigational therapies offer hope
- Sustained efficacySustained efficacy
- Improved tolerabilityImproved tolerability
- Convenience, simplificationConvenience, simplification
![Page 19: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/19.jpg)
Dosing Daily pill burden IssuesRegimen
1998ZDV/3TC/efavirenz
5 pills, BID
• Gastrointestinal (GI) effects, anemia, neutropenia
• Central nervous system (CNS) toxicities
• Mitochondrial-related toxicities
1996
d4T/3TC/indinavir
10 pills, TID
• Food restrictions, liquids frequently
• Poor tolerability • Short- and long-term toxicities
2002
3 pills, BIDZDV/3TC/EFV
• Gastrointestinal (GI) effects, anemia, neutropenia
• Central nervous system (CNS) toxicities
• Mitochondrial-related toxicities
Toward “Simpler” ART Regimens
![Page 20: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/20.jpg)
Toward “Simpler” ART Regimens
Dosing Daily pill burden Issues
2006
1 pill QDMinimal to no side effects, good
PK, and no food restrictions without compromising efficacy
2003
3 pills, QDGenerally well tolerated; GI effects, CNS effects (EFV)
TDF/ [FTC or 3TC] / EFV
2005
2 pills QDMinimal to no side effects, good
PK, and no food restrictions without compromising efficacy
Regimen
FDC NRTI +EFV
TDF/FTC/EFV
![Page 21: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/21.jpg)
Antiretrovirals: 2007
Individualized treatment Host factors
Genetics (pharmacogenomics) Side effect aversion Adherence
Viral factors Genetics (resistance)
![Page 22: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/22.jpg)
Antiretrovirals: 2007
Treatment permutations: 27 medications, 3 drug regimens 27 x 26 x 25= 17550 potential combinations
How do we construct HAART regimens?
![Page 23: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/23.jpg)
Antiretrovirals: 2007
Rise of evidence-based medicine Prospective clinical trials of defined regimens “Expert” opinion Treatment guidelines
DHHS IAS-USA WHO
![Page 24: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/24.jpg)
2006 IAS-USA Guidelines
Recommended Components of Initial Antiretroviral Therapy*
NRTIs NNRTIs PIs
TDF/FTC† EFV LPV/RTV
ZDV/3TC‡ (NVP) ATV/RTV
ABC/3TC‡ FPV/RTV
SQV/RTV
*Therapy should consist of 2 NRTIs + either an NNRTI or PI.†Or 3TC. ‡Or FTC.
Hammer S, et al. JAMA. 2006;296:827-843.
![Page 25: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/25.jpg)
Antiretrovirals: 2007
Many permutations of treatment combinations: IAS-USA: 6 NNRTI+12 PI
Cautionary tales… Studies sometimes challenge conventional
view:Early virologic failure of TDF/3TC/NVP qd
(Daufin Study)1
Increased risk of lipoatrophy of efavirenz (ACTG 5142)2
1Rey D et al., 14th CROI, 2007, 2Haubrich R et al., 14th CROI, 2007
![Page 26: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/26.jpg)
Trends in HIV Epidemiology
Thinking Globally…
![Page 27: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/27.jpg)
![Page 28: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/28.jpg)
06/06 e 5
Estimated number of adults and childrennewly infected with HIV, 2005
Total: 4.1 (3.4 – 6.2) million
Western &Central Europe
22 00022 000[18 000 [18 000 –– 33 000] 33 000]
North Africa & Middle East64 00064 000
[38 000 [38 000 –– 210 000] 210 000]
Sub-Saharan Africa2.7 million2.7 million
[2.3 [2.3 –– 3.1 million] 3.1 million]
Eastern Europe& Central Asia
220 000220 000[150 000[150 000–– 650 000] 650 000]
South & South-East Asia830 000830 000[530 000 [530 000 –– 2.3 million] 2.3 million]
Oceania72007200
[3500 [3500 –– 55 000] 55 000]
North America43 00043 000
[34 000 [34 000 –– 65 000] 65 000]
Caribbean37 00037 000
[26 000 [26 000 –– 54 000] 54 000]
Latin America140 000140 000
[100 000 [100 000 –– 420 000] 420 000]
East Asia97 00097 000
[55 000 [55 000 –– 290 000] 290 000]
![Page 29: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/29.jpg)
06/06 e 6
Estimated adult and child deaths from AIDS, 2005
Total: 2.8 (2.4 – 3.3) million
Western &Central Europe
12 00012 000[<15 000][<15 000]
North Africa & Middle East37 00037 000
[20 000 [20 000 –– 62 000] 62 000]
Sub-Saharan Africa2.0 million2.0 million
[1.7 [1.7 –– 2.3 million] 2.3 million]
Eastern Europe& Central Asia
53 00053 000[36 000 [36 000 –– 75 000] 75 000]
South & South-East Asia560 000560 000[370 000 [370 000 –– 810 000] 810 000]
Oceania34003400
[1900 [1900 –– 5500] 5500]
North America18 00018 000
[11 000 [11 000 –– 26 000] 26 000]
Caribbean27 00027 000
[19 000 [19 000 –– 36 000] 36 000]
Latin America59 00059 000
[47 000 [47 000 –– 76 000] 76 000]
East Asia33 00033 000
[20 000 [20 000 –– 49 000] 49 000]
![Page 30: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/30.jpg)
06/06 e 11
• Children living with HIV 2.3 million [1.7 – 3.5 million]
• New HIV infections in 2005 540 000 [420 000 – 670 000]
• Deaths due to AIDS in 2005 380 000 [290 000 – 500 000]
2005 global HIV and AIDS estimatesChildren (<15 years)
![Page 31: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/31.jpg)
The Global PandemicThe Global Pandemic
38 million dead38 million dead By 2010 75 million infectedBy 2010 75 million infected By 2025, 83 million dead, 89 By 2025, 83 million dead, 89
million infectionsmillion infections Life expectancy in 9 African Life expectancy in 9 African
countries is already <40 yearscountries is already <40 years
![Page 32: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/32.jpg)
06/06 e
2006 Report on the global AIDS epidemicFig
Impact of AIDS on life expectancy in five African countries, 1970Impact of AIDS on life expectancy in five African countries, 1970 ––20102010
Life expectancy at birth (years)
Source: United Nations Population Division (2004). World Population Prospects: The 2004 Revision, database.
Botswana
South Africa
Swaziland
Zambia
Zimbabwe
1970–1975 1975–1980
1980–19851985–1990
1990–19951995–2000
2000–20052005–2010
70
65
60
55
50
45
40
35
30
25
20
4.1
![Page 33: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/33.jpg)
06/06 e 4
Adults and children estimated to be living with HIV, 2005
Total: 38.6 (33.4 – 46.0) million
Western &Central Europe
720 000720 000[550 000 [550 000 –– 950 000] 950 000]
North Africa & Middle East440 000440 000
[250 000 [250 000 –– 720 000] 720 000]
Sub-Saharan Africa24.5 million24.5 million
[21.6 [21.6 –– 27.4 million] 27.4 million]
Eastern Europe& Central Asia
1.5 million1.5 million[1.0 [1.0 –– 2.3 million] 2.3 million]
South & South-East Asia7.6 million7.6 million[5.1 [5.1 –– 11.7 million] 11.7 million]
Oceania78 00078 000
[48 000 [48 000 –– 170 000] 170 000]
North America1.3 million1.3 million
[770 000 [770 000 –– 2.1 million] 2.1 million]
Caribbean330 000330 000
[240 000 [240 000 –– 420 000] 420 000]
Latin America1.6 million1.6 million
[1.2 [1.2 –– 2.4 million] 2.4 million]
East Asia680 000680 000
[420 000 [420 000 –– 1.1 million] 1.1 million]
![Page 34: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/34.jpg)
AIDS in Russia
![Page 35: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/35.jpg)
HIV/AIDS in Russia
30,000 cases in Saint Petersburg 800 on ART ~350 HIV+ pregnancies/year
35,000 cases in Moscow 2500 on ART ~400 HIV+pregnancies/year
High frequency of HIV/TB coinfection Issues of IRIS, drug-drug interactions
![Page 36: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/36.jpg)
HIV/AIDS in Russia
1.5 million cases (148 million population) ~3 times US case rate
Fastest growing epidemic in world ~20-25% per year
Injection drug use : heterosexual 30,000 cases in Saint Petersburg
800 on ART 35,000 cases in Moscow
2500 on ART
![Page 37: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/37.jpg)
HIV in Russian Street Children
Survey of street children of Saint Petersburg (age 15-19)
117/313 (34.9%) HIV infected Subgroups with >60% seroprevalence:
Double orphans Homeless Previous STI Current injection or inhaled drug use Current needle sharing
D Kissin, et.al., 14th CROI 2007 #688
![Page 38: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/38.jpg)
US policy issues
Changing racial and geographic characteristics Delayed diagnosis Clinical outcomes
Ineffective prevention strategies Many HIV+ don’t know status
Role of routine HIV testing Access to care not guaranteed
ADAP waitlists in 6 states ART pricing subject of state and federal investigation
![Page 39: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/39.jpg)
![Page 40: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/40.jpg)
![Page 41: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/41.jpg)
![Page 42: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/42.jpg)
HIV Trends in Colorado
*CDPHE 2004
0
5
10
15
20
25
30
Rate per 100,000
White Black Hispanic
Race
HIV Case Rates 2001-2002
Female
Male
HIV rates among Black men and women are greater than among Whites and Hispanics
![Page 43: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/43.jpg)
Delay in HIV/AIDS diagnosis
Many recently diagnosed HIV+ persons rapidly progress to AIDS Results in higher risk of complications Higher healthcare costs Higher disease burden
41.7% of Colorado HIV+ develop AIDS within 12 months of diagnosis*
*CDPHE 1999-2003
![Page 44: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/44.jpg)
Future trends in HIV therapies?
![Page 45: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/45.jpg)
Future trends in HIV treatment
Pharmacogenetics How will genetic screening affect HIV disease
management? Viral factors Host factors
New drug classes: How will new drugs change combination ART
therapy? CCR5 Inhibitors HIV integrase inhibitors
![Page 46: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/46.jpg)
Pharmacogenetics and HIV
Viral factors Drug resistance Co-receptor tropism
Host factors CCR532 and susceptibility to infection HLA B*5701 and abacavir HSR MDR1 and immunological response to HAART Cytochrome P450 and plasma drug levels UGT1A1*28 and hyperbilirubinemia
![Page 47: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/47.jpg)
Viral genetics in treatments: Viral genetics in treatments: resistance testingresistance testing
HIV drug resistance HIV drug resistance testing recommended testing recommended for management HIV-for management HIV-infected personsinfected persons11
Drug resistance testing Drug resistance testing associated with associated with improved survivalimproved survival22
11DHHS Treatment Guidelines, October 2006DHHS Treatment Guidelines, October 200622Palella et al., 14th CROI, 2007Palella et al., 14th CROI, 2007
Naive to HAART, baseline CD4 < 200: Cox PH multivariate analysis of factors associated with
mortality (N = 257)2
2.09
0.73
0.70
0.56
0.45
0.29
0.22
0.01 0.10 1.00 10.00
HIV Susceptibility Test
IDU
Baseline log viral load ≥ 4
Private health insurance
white race
age > 40
Baseline CD4 0-49
Mortality Hazard Ratio
![Page 48: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/48.jpg)
0.0
0.05
0.10
0.15
0.20
1998/1999 2000/2001 2002/2003 2004 to 7/2005
Possible Abacavir-related symptoms, number ofpatients(including definitive ABC-HSR)
Abacavir HSR, number of patients # 2 pts results not reviewed prior
therapy $ 1 pt with informed choice/
incomplete haplotype
Pro
port
ion
of A
BC
-naï
ve p
atie
nts
disc
ontin
uing
AB
C w
ithin
6 w
eeks
n=68 n=131 n=107 n=60
#
Before genetic screening After genetic screening
#$
*P<0.05
Host Genetics in HIV Treatment:Host Genetics in HIV Treatment:Effect of Effect of HLAB*5701 ScreeningHLAB*5701 Screening
Rauch, et al. Clin Infect Dis 2006;43:99-102.
![Page 49: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/49.jpg)
Pharmacogenomics: Pharmacogenomics: HLA pre-screening and abacavir HSRHLA pre-screening and abacavir HSR
Association between Association between HLA B*5701HLA B*5701 allele and risk of allele and risk of abacavir hypersensitivity reactionabacavir hypersensitivity reaction
Western Australia cohortWestern Australia cohort11::– Decreased suspected abacavir HSRDecreased suspected abacavir HSR
– Decreased abacavir all-cause discontinuationsDecreased abacavir all-cause discontinuations
Paris cohortParis cohort22::– 131 consecutive 131 consecutive B*5701B*5701 negative patients started ABC negative patients started ABC
– No cases of HSRNo cases of HSR
– 1 discontinuation 1 discontinuation
1Rauch, et al., Clin Inf Disease 20062Zucman, et al., JAIDS 2007
![Page 50: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/50.jpg)
Unmet Needs of Current Antiretrovirals
1. Bennett D, et al. CROI 2002. Abstract 372-M. 2. Bennett D, et al. CROI 2005. Abstract 674. 3. Richman D, et al. AIDS. 2004,18:1393-1401.
Access to care
– Cost
– Distribution
– Intellectual property
Drug Resistance
– Transmitted drug resistance occurs in 5% to 15% of patients[1,2]
– Multiclass resistance in large proportion of highly treatment–experienced patients[3]
![Page 51: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/51.jpg)
Unmet Needs of Current Antiretrovirals Toxicity/tolerability issues with current classes
– Cardiovascular: dyslipidemia, insulin resistance
– Lipodystrophy, lipoatrophy
– Other: bone, hematologic, renal, CNS, reproductive
Drug-drug interactions
– Rifamycins
– Methadone
![Page 52: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/52.jpg)
clinicaloptions.com/hiv
Novel Antiretrovirals in Clinical Development
TNX-355CCR5 inhibitorsCXCR4 inhibitors
Maturation InhibitorsBevirimat
Raltegravir Elvitegravir
Entry inhibitors
Reverse transcriptase
inhibitors
Maturevirus
PIsIntegrase inhibitors
![Page 53: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/53.jpg)
clinicaloptions.com/hiv
MOTIVATE: Maraviroc in Treatment-Experienced Patients With R5 Virus
Nelson M, et al. CROI 2007. Abstract 104aLB. Lalezari J, et al. CROI 2007. Abstract 104bLB.
*Patients receiving PI (other than TPV) or DLV received 150 mg; all others received 300 mg. †OBR: 3-6 ARVs.
Patients with R5 HIV-1; ≥ 5000 copies/mL; stable ART or
no ART for ≥ 4 weeks;resistance to and/or ≥ 6 months
of ≥ 1 antiretroviral from 3 classes or ≥ 2 PIs
MOTIVATE 1 (N = 601) (Canada, US)MOTIVATE 2 (N = 475)(Europe, Australia, US)
Placebo + OBR†
Maraviroc 150 mg or 300 mg* once daily + OBR†
Maraviroc 150 mg or 300 mg* twice daily + OBR†
2:2:1 randomization;stratified by ENF use and VL
Planned interim analysis:Week 24: Week 48
Randomized, double-blind, placebo-controlled, parallel phase IIb/III studies 44% failed screening with X4 or dual/mixed virus detected Primary endpoint: mean change in VL at Week 24 Baseline characteristics similar across treatment arms in the 2 studies
![Page 54: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/54.jpg)
clinicaloptions.com/hivNelson M, et al. CROI 2007. Abstract 104aLB. Lalezari J, et al. CROI 2007. Abstract 104bLB.
MOTIVATE 1 and 2: VL < 400 copies/mL (ITT, NC = F)
61.3%55.5%
23.1%
P < .0001*
P < .0001*
60.4%54.7%
31.4%
P < .0001*
P < .0001*
Placebo + OBR (n = 209) MVC QD + OBR (n = 414)
MOTIVATE 1 MOTIVATE 2
MVC BID + OBR (n = 426)
*P values vs placebo at Week 24.
Pat
ien
ts (
%)
20
10
0
30
40
50
60
70
80
90
100
16 20 240 4 8 12Time (Weeks)
2 6 10 14 18 22 16 20 240 4 8 12Time (Weeks)
2 6 10 14 18 22
Pat
ien
ts (
%)
20
10
0
30
40
50
60
70
80
90
100
![Page 55: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/55.jpg)
clinicaloptions.com/hiv
MOTIVATE 1 and 2: Adverse Events and Resistance
Nelson M, et al. CROI 2007. Abstract 104aLB. Lalezari J, et al. CROI 2007. Abstract 104bLB.
Similar incidence of adverse events in maraviroc and placebo arms
– Similar low incidence of hepatotoxicity in maraviroc and placebo arms
– Lymphoma diagnosed in 3 patients in maraviroc arms and 2 patients in placebo arms
Resistance
– Mutations seen in V3 loop among patients who failed on the maraviroc arms with R5 virus
– No signature R5 mutations have been defined yet
![Page 56: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/56.jpg)
clinicaloptions.com/hiv
BENCHMRK-1 and -2: Raltegravir (MK-0518) in Treatment-Experienced Pts
Cooper D, et al. CROI 2007. Abstract 105aLB. Steigbigel R, et al. CROI 2007. Abstract 105bLB.
Raltegravir 400 mg twice daily + OBR*BENCHMRK-1 (n = 232)BENCHMRK-2 (n = 230)
Placebo + OBR*BENCHMRK-1 (n = 118)BENCHMRK-2 (n = 119)
HIV infected;triple-class resistant; VL > 1000 copies/mL
BENCHMRK-1 (N = 350)(Europe, Asia/Pacific, Peru)
BENCHMRK-2 (N = 349)(North, South America)
*Selected investigational antiretrovirals permitted in OBR.
Primary endpoints:
Week 16
Planned duration: Week 48
Randomized, double-blind, placebo-controlled, parallel phase III studies
Primary endpoints: VL, CD4+ cell counts, and adverse events at Week 16
![Page 57: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/57.jpg)
clinicaloptions.com/hiv
BENCHMRK-1 and -2: VL < 400 copies/mL (ITT, NC = F)
Weeks
Pat
ien
ts W
ith
VL
<
400
co
pie
s/m
L (
%)
P < .001 at Week 16 P < .001 at Week 16
Weeks0 2 4 8 12 16 24
0
20
40
60
80
100
0 2 4 8 12 16 240
20
40
60
80
100 BENCHMRK-2BENCHMRK-1
Raltegravir + OBR Placebo + OBR
77%
41%
77%
43%
230
81
158
118
232
118
n =
n =
229
69
128
119
230
119
n =
n =Cooper D, et al. CROI 2007. Abstract 105aLB. Steigbigel R, et al. CROI 2007. Abstract 105bLB.
![Page 58: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/58.jpg)
clinicaloptions.com/hivMarkowitz M, et al. IAC 2006. Abstract THLB0214.
Raltegravir: Potent Activity of Integrase Inhibitor in Treatment-Naive Patients
Raltegravir 600 mg BID (n = 40)*
Raltegravir 400 mg BID(n = 41)*
Efavirenz 600 mg QD(n = 41)
Treatment-naive patients with no prior antiretroviral therapy
> 6 days in total; VL ≥ 5000 copies/mL;
CD4+ cell count ≥ 100 cells/mm3
(N = 203)*
Raltegravir 200 mg BID(n = 40)*
Raltegravir 100 mg BID(n = 41)*
*8 patients in each raltegravir arm previously treated with same dose of raltegravir monotherapy for 10 days.
Week 48Current analyses:Week 24
Each combined with TDF + 3TC
![Page 59: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/59.jpg)
clinicaloptions.com/hivMarkowitz M, et al. IAC 2006. Abstract THLB0214.
Raltegravir vs EFV: Therapy Naïve ptsVL < 50 copies/mL at Week 24 (NC = F)
*P < .001 for raltegravir at each dose vs EFV.
Week
RLG 100 mg 39 39 39 39 39 39RLG 200 mg 40 40 40 40 40 40RLG 400 mg 41 41 41 41 41 41RLG 600 mg 40 40 40 40 40 40
EFV 38 38 38 38 38 37
0 2 4 8 12 16 240
20
40
60
80
100
Pat
ien
ts W
ith
VL
<
50
cop
ies/
mL
(%
)
*
*
![Page 60: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/60.jpg)
clinicaloptions.com/hivMarkowitz M, et al. IAC 2006. Abstract THLB0214.
*Additional AEs seen at ≥ 5% in EFV group: nightmares (11%), vomiting (8%), malaise (8%), fatigue (5%), attention disturbances (5%), lethargy (5%), anxiety (5%).
Raltegravir vs EFV: Adverse Events
AEs Occurring in ≥ 5% of Pts, % RLG (All Doses)(n = 160)
EFV (n = 38)
Nausea 11 13
Headache 9 24
Dizziness 8 26
Diarrhea 7 11
Insomnia 7 11
Abnormal dreams 6 18
Flatulence 6 --
![Page 61: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/61.jpg)
clinicaloptions.com/hivTeppler H, et al. ICAAC 2006. Abstract 256a.
Raltegravir: Serum Lipids at Week 24 in Naive PatientsTreatment Arm Mean B/L TC,
mg/dL (mmol/L)Change From
B/L at Wk 24, % (95% CI)
Mean B/L TG, mg/dL (mmol/L)
Change From B/L at Wk 24,
% (95% CI)
RLG 100 mg BID* (n = 39) 168 (4.35) -7 (-14 to 0)† 129 (1.46) +2 (-22 to 26)
RLG 200 mg BID* (n = 34) 161 (4.17) -2 (-11 to 8)† 110 (1.24) -5 (-20 to 9)†
RLG 400 mg BID* (n = 40) 168 (4.35) -7 (-15 to 2)† 127 (1.44) -2 (-23 to 18)†
RLG 600 mg BID* (n = 35) 162 (4.19) -4 (-12 to 5)† 155 (1.75) -43 (-87 to 1)†
EFV 600 mg QD (n = 36) 170 (4.40) +19 (8 to 30) 128 (1.45) +47 (-1 to 96)
*With NRTI backbone of TDF + 3TC.†Significant difference vs EFV (P < .05).
![Page 62: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/62.jpg)
Challenges Still Challenges Still RemainRemain
![Page 63: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/63.jpg)
The FutureThe Future
The provider crisisThe provider crisis The need for vaccinesThe need for vaccines New affected populationsNew affected populations The rise of denialistsThe rise of denialists
– HIV denialistsHIV denialists– Abstinence-only/ anti-condomAbstinence-only/ anti-condom
The challenge for fundingThe challenge for funding The epidemic of complacencyThe epidemic of complacency
![Page 64: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/64.jpg)
Unmet needs in HIV Care
Prevention Epidemic growing ~10% per year (US) Many HIV+ do not know their status EDUCATION
Address stigma Abstinence Faithfulness Safer drugs/needle exchange Safer sex/condom distribution
![Page 65: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/65.jpg)
Unmet needs in HIV care
Diagnosis Many HIV+ do not know their status CDC now recommends HIV testing as part of
routine health care screening Must address stigma and confidentiality Delayed diagnosis facilitates:
Increased disease burden Increased disease cost Increased risk of transmission
![Page 66: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/66.jpg)
Unmet needs in HIV care
Treatment Access to HIV treatment saves lives
ADAP waitlists Expertise of care provider correlates to survival
~9% of HIV+ do not have access to primary care What prevents HIV+ from access?
Lack of education Fear of stigma Fear of disclosure Fear of side effects
![Page 67: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/67.jpg)
Unmet needs in HIV care
Treatment Long-term tolerability/toxicity
Cardiovascular disease Pregnancy Hepatitis
Costs Drug-drug interactions
TB Methadone
![Page 68: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/68.jpg)
20 Years of Antiretroviral Therapy
Antiretroviral therapies revolutionized care Newer treatments offer well tolerated options Pharmacogenetics impact management New drugs will continue to shape ART Prevention and access to care continue to
challenge
![Page 69: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/69.jpg)
Acknowledgements
Colorado HIV community Rose Medical Center:
Ken Greenberg John Hammer Amy Thomas Peggy Zellner
HOPS/CDC collaborators Howard Grossman Clinical Care Options
Elaine Seekins
![Page 70: Twenty Years of Antiretroviral Therapy: Lessons Learned and Unmet Needs Benjamin Young, MD PhD Rose Medical Center Division of General Internal Medicine](https://reader036.vdocuments.us/reader036/viewer/2022081603/56649c9c5503460f9495a8eb/html5/thumbnails/70.jpg)
Twenty Years of Antiretroviral Therapy:Lessons Learned and Unmet Needs
Benjamin Young, MD PhD
Rose Medical Center
Division of General Internal Medicine
University of Colorado Denver and Health Sciences Center
Denver, Colorado