th international symposium on - neuropsychiatry &...
TRANSCRIPT
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InternationalSymposium on
th
Barcelona, May 5th and 6th 2011
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4rd Symposium on Psychiatry and HIV
- - -
Barcelona, May 6th 2010
4rd Symposium on Psychiatry and HIV
- - -
Barcelona, May 6th 2010
Neurocognitive Testing in HIV Infection:
How to Implement this Assessment
in the Clinical Practice?in the Clinical Practice?
Jose A. Muñoz-Moreno
- - -
Lluita contra la SIDA Foundation
Germans Trias i Pujol University Hospital
- - -
Barcelona, Catalonia, Spain
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Why to Assess?
Which Tools?
Which Patients and When Monitoring?
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Which Patients?
Why to Assess?
When Monitoring?
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Main Reasons
� High and Unexpected Incidence and Prevalence
� Associated with Several Negative Consequences� Associated with Several Negative Consequences
� Significant Lack of Effective Treatments!
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Prevalence of HIV-Associated NCI
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Prevalence of HIV-Associated NCI
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And in Spain??
N=268
NEUROCOGNITIVE
IMPAIRMENT
Impaired
N=142
48,93%56,25%
50%
75%
100%
Muñoz-Moreno et al, 10th International
Symposium on Neurovirology, Milan, 2010
48%52%
Impaired
Non-Impaired
Muñoz-Moreno et al,
Mid-Year INS, Helsinki, 2009
0%
25%
ART No ART
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Confirming Data
50
75
100
Pe
rce
nt
Imp
air
ed
NEUROCOGNITIVE IMPAIRMENT *
Australia (Cysique, 2004)
Italy (Tozzi, 2005)
Muñoz-Moreno et al, 10th International
Symposium on Neurovirology, Milan, 2010
0
25
50
CDC-A CDC-B CDC-C
Pe
rce
nt
Imp
air
ed
USA - CHARTER (Heaton, 2009)
Germany (Arendt, 2010)
Catalonia - Spain (Muñoz-Moreno, 2010)
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Confirming Data
50
75
100
Pe
rce
nt
Imp
air
ed
NEUROCOGNITIVE IMPAIRMENT *
Australia (Cysique, 2004)
Italy (Tozzi, 2005)
Muñoz-Moreno et al, 10th International
Symposium on Neurovirology, Milan, 2010
0
25
50
CDC-A CDC-B CDC-C
Pe
rce
nt
Imp
air
ed
USA - CHARTER (Heaton, 2009)
Germany (Arendt, 2010)
Catalonia - Spain (Muñoz-Moreno, 2010)
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Leading to Negative Consequences...
���� Worse Quality of Life
���� Interference on Daily Living Activities
���� Worse Adherence to Antiretroviral Treatment
Heaton, 2004Heaton, 2004Heaton, 2004Heaton, 2004
Tozzi, 2003Tozzi, 2003Tozzi, 2003Tozzi, 2003
���� Worse Adherence to Antiretroviral Treatment
���� More Frequent Virological Failure
���� Predictor of Higher Death Rates
Woods, 2009Woods, 2009Woods, 2009Woods, 2009
Tozzi, 2003Tozzi, 2003Tozzi, 2003Tozzi, 2003
Sevigny, 2007Sevigny, 2007Sevigny, 2007Sevigny, 2007
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Interventions
NEUROACTIVE
ARV DRUGS
NON-NEUROACTIVE
ARV DRUGS
Letendre et al, Enhancing ART for HIV Cogntive
Disorders, Ann Neurol, 2004
Giancola et al, Neuroactive ART Drugs Do Not
Influence NC Performance, JAIDS, 2006
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Insufficient Although Growing Evidence...
Cysique Tozzi Ellis MarraStudy UCSD CIT NIID ALLRT ACTG 736Sample Size 37 185 2,636 26Prospective Yes Yes Yes YesControlled No No No NoNumber of NP
6 15 3 4
Cysique et al, Neurology 2009, 73(5):342-8; Tozzi et al, J Acquir Immune Defic Syndr 2009;52:56–63; Ellis et al, Annual Meeting American Neurological Association 2009; Marra et al, AIDS 2009, 23(11):1359-66
Number of NP Tests
6 15 3 4
CPE: CSF VL Lower VL No CSF No CSF Lower VLCPE: NP Tests Better Better Better WorseUsed Norms for NP Change
Yes No No No
*: Courtesy of Dr. Letendre
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Other ARV Approaches
Muñoz-Moreno, et al, 2008
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Other ARV Approaches
Muñoz-Moreno, et al, 2008 Ellis, CROI, 2010
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Other ARV Approaches
Muñoz-Moreno, et al, 2010
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ARV Treatment Guidelines!
Guidelines for the use of antiretroviral agents in HIV-infected adults and adolescents (DHHS).
December 2009: http://aidsinfo.nih.gov/ContentFiles/AdultandAdolescen
tGL.pdf
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Therapeutical Approach
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Which Tools?
When Monitoring?
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Comprehensive Batteries of Neuropsychological Tests
Muñoz-Moreno JA,
in Research Focus
on Cognitive
Disorders, NY, 2007
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Neurocognitive Areas and Tests
- TMT-A: Trail Making Test - Part A
- GPT: Grooved Pegboard Test
- CVLT-II: California Verbal Learning Test - II
PROCESSING INFORMATION
SPEED:
MOTOR FUNCTION:
VERBAL MEMORY: - CVLT-II: California Verbal Learning Test - II
- TMT-B: Trail Making Test - Part B
- WCST: Wisconsin Card Sorting Test
- Stroop's Test
VERBAL MEMORY:
LEARNING:
EXECUTIVE FUNCTIONS:
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Motor Function
Grooved Pegboard Test
Matthews, 1964
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Verbal Memory and Learning
California Verbal Learning Test - II
Delis, 2000
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Executive Functioning
Wisconsin Card Sorting Test (WCST)
Kongs, 1993
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Trail Making Test - Part A (TMT-A)
Information Processing Speed
Reitan, 1974
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Trail Making Test - Part B (TMT-B)
Executive Functioning
Reitan, 1974
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Stroop's Test
Executive Functioning
Golden, 1978
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- Recommendations by Frascati Group, in
Antinori et al, Neurology, 2007 :
1) Assessment of 7 recommended areas
Requirements for Comprehensive NC Testing
2) Evaluation and control of demographic, clinical andemotional variables
3) Exclusion of conditions associated with NCI, currently or inpast (confouding comorbidities!)
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Neurology, 2007:
Table 1. Criteria for clinical diagnosis of central nervous systemdisorders in HIV-infected adults and adolescents
Confounding Factors
Table 2. HAND Criteria
Table 3. Examples of Tests
Table 4. Guidelines for classifying confounds to HIV-associatedneurocognitive disorders
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"Evidence of another etiology, including active CNS opportunisticinfection or malignancy, psychiatric disorders (e.g., depressivedisorder), active alcohol or substance use, or acute or chronicsubstance withdrawal, must be sought from history, physical andpsychiatric examination, and appropriate laboratory andradiologic investigation (e.g., lumbar puncture, neuroimaging). Ifanother potential etiology (e.g., major depression) is present, it is
Confounding Factors
another potential etiology (e.g., major depression) is present, it isnot the cause of the above cognitive, motor, or behavioralsymptoms and signs."
Mainly:
- Drug abuse- CNS opportunistic infections
- Psychatric or emotional disorders
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- Hospital Anxiety and Depression Scale (HADS):
Zigmond AS, Snaith RP. The Hospital Anxiety and Depression Scale.Acta Psychiatr Scand 1983; 67: 361-370.
- Beck Depression Inventory (BDI):
Depression and Anxiety Symptoms
Beck AT, Rush AJ, Shaw BF, and Emery G: Cognitive Therapy ofDepression. Guilford Press, New York, 1979.
- State-Trait Anxiety Inventory (STAI):
Spielberger CD, Gorsuch RL, and Lushene RE: Manual for theState-Trait Anxiety Inventory. Consulting Psychologists Press, PaloAlto, CA, 1970.
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Hospital Anxiety and Depression Scale (HADS)
Depression Symptoms
- 14 items
Golden, 1978
- 14 items- 2 scales
- 1 total scale
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Beck Depression Inventory (BDI)
Depression Symptoms
- 21 items
Golden, 1978
- 21 items- 1 scale
- 2 sub-scales
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State-Trait Anxiety Inventory (STAI)
Anxiety Symptoms
- 20 items
Golden, 1978
- 20 items
- 1 scale
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Why Neurocognitive Testing??
PROS:
- Strongly recommended- Large experience in clinical neuropsychology- Experience in HIV infection- Different areas potentially assessed- Variable tools- Variable tools
CONS:
- Availability / feasibility- Duration of evaluations
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Neuropsychological Testing
PROS:
- Strongly recommended- Large experience in clinical neuropsychology- Experience in HIV infection- Different areas potentially assessed- Variable tools- Variable tools
CONS:
- Availability / feasibility- Duration of evaluations
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Recommendations
� National Institute of Mental Health, 1990
� American Tasks Force, 1991
� UNAIDS, 1997
� Antinori, 2007
� Significant number of reviews and studies recommending
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Neuropsychological Testing
PROS:
- Strongly recommended- Large experience in clinical neuropsychology- Experience in HIV infection- Different areas potentially assessed- Variable tools- Variable tools
CONS:
- Availability / feasibility- Duration of evaluations
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Clinical Neuropsychology
In multiple diseases regardless of HIV infection!
Pattern of neurocognitive alteration in...:
Multiple SclerosisMultiple SclerosisSchizophrenia
AgingAlzheimer's DiseaseParkinson's Disease
ETC, ETC...
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Neuropsychological Testing
PROS:
- Strongly recommended- Large experience in clinical neuropsychology- Experience in HIV infection- Different areas potentially assessed- Variable tools- Variable tools
CONS:
- Availability / feasibility- Duration of evaluations
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HIV Infection
PubMed:
Early publications: 1985-1987 (Grant et al, 1987)
"Evidence for early central nervous system involvement in theacquired immunodeficiency syndrome (AIDS) and other humanimmunodeficiency virus (HIV) infections. Studies withimmunodeficiency virus (HIV) infections. Studies withneuropsychologic testing and magnetic resonance imaging".
Currently: Neurocognitive + HIV: 357 studies / 75 reviews
Neuropsychological + HIV: 1014 studies / 129reviews
Cognitive + HIV: 1934 studies / 357 reviews
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Neuropsychological Testing
PROS:
- Strongly recommended- Large experience in clinical neuropsychology- Experience in HIV infection- Different areas potentially assessed- Variable tools- Variable tools
CONS:
- Availability / feasibility- Duration of evaluations
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HIV-Associated Neurocognitive Profile
- Fronto-subcortical pattern, with altered areas well defined:
Attention / Working Memory Executive FunctioningInformation Processing Speed Verbal FluencyLearning Motor FunctionVerbal MemoryVerbal Memory
- Maybe currently is this changing??
Cortical hypothesis:Brew, 2004Valcour, 2006
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Neuropsychological Testing
PROS:
- Strongly recommended- Large experience in clinical neuropsychology- Experience in HIV infection- Different areas potentially assessed- Variable tools- Variable tools
CONS:
- Availability / feasibility- Duration of evaluations
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HAND Diagnosis:
HIV-Associated Neurocognitive Disorders
Antinori et al, Neurology,
2007
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Diagnosis Establishment
No Prior Cause
No DeliriumAcquired
Impairment in ≥ 2 Functions
Daily Functioning
Inerference / NC Complaint
1. Asymptomatic NC Impairment
(ANI)� � � No
(ANI)
2. Mild NC Disorder(MND) � � � Mild
3. HIV-Associated Dementia
(HAD)� � Marked Marked
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HAND Distribution
51%
9%
HAND Distribution (N=166)
ANI (n=37)
MND (n=28)51%40%
MND (n=28)
HAD (n=7)
Muñoz-Moreno et al, 10th International Symposium on Neurovirology, Milan, 2010
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Neuropsychological Testing
PROS:
- Strongly recommended- Large experience in clinical neuropsychology- Experience in HIV infection- Different areas potentially assessed- Variable tools- Variable tools
CONS:
- Availability / feasibility- Duration of evaluations
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Availability and Feasibility
MAIN LIMITATIONS:
- Need of a trained neuropsychologist
- Expertise and skills are relevant aspects in the application
- Multiple and variable instructions / correction processes
- Manipulative tools
- Duration of assessments (next section)
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Neuropsychological Testing
PROS:
- Strongly recommended- Large experience in clinical neuropsychology- Experience in HIV infection- Different areas potentially assessed- Variable tools- Variable tools
CONS:
- Availability / feasibility- Duration of evaluations
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Multiple Tools
NIMH, 1990: 2 recommendations
Extended: 7-9 hours of durationBrief: 1-2 hours of duration
Nowadays...
Extended: 2-3 hours of duration � Relevant need of screening tools!
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What Do We Know About Screening Tools?
TestTestTestTest ReferenceReferenceReferenceReference DurationDurationDurationDuration ProsProsProsPros ConsConsConsCons
HIV Dementia Scale
(HDS)
Power et al, JAIDS,
1995*
10-15 min - Instructions
- Quantitative score
- Validated for dementia
- Low sensitivity
HNRC Screening Carey et al, Clin
Neuropsychol,
2004 *
10-15 min - Duration - Feasibility (pegboard)
- Scarce information
2004 *
CogState Cysique et al, J Int
Neuropsychol Soc ,
2006 *
10-15 min - Instructions
- Statistical validation
- Feasibility?
- Economical cost?
Brief Neurocognitive
Screen
Robertson et al,
AIDS, 2007 *
10 min - Duration
- Feasibility (in paper)
- Scarce information
NEU Questionnaire Muñoz-Moreno et
al (in development)
*
25-30 min
- Instructions
- Feasibility (in paper)
- Statistical validation
- Duration?
- Statistical sensitivity?
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What Do We Know About Screening Tools?
TestTestTestTest ReferenceReferenceReferenceReference DurationDurationDurationDuration ProsProsProsPros ConsConsConsCons
HIV Dementia Scale
(HDS)
Power et al, JAIDS,
1995*
10-15 min - Instructions
- Quantitative score
- Validated for dementia
- Low sensitivity
HNRC Screening Carey et al, Clin
Neuropsychol,
2004 *
10-15 min - Duration - Feasibility (pegboard)
- Scarce information
2004 *
CogState Cysique et al, J Int
Neuropsychol Soc ,
2006 *
10-15 min - Instructions
- Statistical validation
- Feasibility?
- Economical cost?
Brief Neurocognitive
Screen
Robertson et al,
AIDS, 2007 *
10 min - Duration
- Feasibility (in paper)
- Scarce information
NEU Questionnaire Muñoz-Moreno et
al (in development)
*
25-30 min
- Instructions
- Feasibility (in paper)
- Statistical validation
- Duration?
- Statistical sensitivity?
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Brief Quantitative Instrument in Development
- NEU Instrument (Muñoz-Moreno, et al):
- Brief (25-30 minutes)
- Assessing 7 areas
- Not only a screening tool: quantitative outcomes- Not only a screening tool: quantitative outcomes
(adapted to HAND diagnosis)
- Printable
- Easy instructions and correction
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Which Patients?
Which Patients and When Monitoring?
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Characteristics of Patients: Which Predictors?
According to biomarkers?
According to clinical factors?
According to demographic variables?
According to emotional variables?
According to subjective complaints?
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Clinical Factors
� High number of clinical factors are associated
Some of most representative:
���� AIDS
���� CD4 Nadir���� CD4 Nadir
���� Time with HIV
���� Interruptions of ART
���� Coinfection with HCV
���� Virological Failure (in Plasma)
���� CSF Viral Load *
*: Considering availability of lumbar puncture in c linical practice!
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New Potential Risk Factors
Tozzi et al, Journal of Neurovirology, 2005Neurovirology, 2005
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Demographic Factors
Well identified:
���� Older Age
���� Education Level ( Cognitive Reserve! )
���� Employment!
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Self-Reported NC Complaints
Muñoz-Moreno et al, INS, Helsinki, 2009
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3 patients' patterns according to presence or not of NC complaints:
���� 1) NC Complaint + Neurocognitive Impairment
Self-Reported NC Complaints
���� 2) NC Complaint + No Neurocognitive Impairment
���� 3) No NC Complaint + Neurocognitive Impairment!
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Self-Reported NC Complaints
Unpublished Data
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And When Monitoring?
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Similar Findings
Muñoz-Moreno et al, CROI, 2010
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Clinical Factors As Predictors
- Current CD4 cell count (
<123 cells/µL)
- Time with HIV (
>2.7 years)
*: 75.8% of correct classification
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Clinical Factors As Predictors
- Nadir CD4 cell count (
<365 cells/µL)
- Time on current regimen
( >32.2 months)
- Highest viral load
( >4.5 cop/mL)
*: 88.4% and 84.9%
of correct classification
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Algorithm Proposed - Cysique
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Patient ApproachPatient Approachbased on:
- NC Complaint
- Interference in
Functioning
Neurocognitive
Testing
Screening
Method
Screening
- PAOFI
- IADLs
- Self-reported
Impairment not associated with HIV
No impairment
Monitoring:
6 months
Impairment
No impairment
Intervention
Impairment associated with HIV: ANI
FunctioningFunctioning
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Clinician ApproachClinician Approachbased on clinical suspicion according to:
- Clinical Risk Factors, particularly:
AIDS
CD4 Nadir
Time with HIV
Interruptions of ART
Coinfection with HCV
Virological Failure
Neurocognitive Testing
Impairment
No Impairment
Interference / Complaints:Interference / Complaints:
MND
NO NO
Interference / Complaints:
ANI
Intervention
Monitoring:
6 months
*In case of Lumbar Puncture availability:
CSF Viral Load*
- Additional Risk Factors:
Aging
Education
Others
Screening Method
ImpairmentNo
impairment
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Announcement of Training in Neuropsychological Skills
(Barcelona, Spain, July 2011)