Attention Deficit Disorder With HyperactivityNCT00001497
Assessment of Attentional Functioning in Children With HIV-1 Infection
An observational study of Attention Deficit Disorder With Hyperactivity and HIV Infections, run by National Cancer Institute (NCI) at 1 site in United States.
Trial summary
Children with symptomatic HIV-1 (Human Immunodeficiency Virus) infection are at increased risk for developing severely disabling neurological and neuropsychological deficits. HIV-1 related CNS (Central Nervous System) disease is a clinical syndrome, manifested by varying and sometimes discordant degrees of cognitive… Read more about this study
- Who is it for?
- Any age
- Conditions the study is for
- Attention Deficit Disorder With Hyperactivity, HIV Infections, Paralysis
- How many people
- 90 participants
- Where
- 1 siteUnited States
- Study dates
- Dec 1995to Oct 2000
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Any age
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Children and adolescents with HIV infection ages 5-18.
Have to be on another treatment protocol at the Division of Clinical Sciences, NCI.
No children with non-HIV associated CNS compromise, such as for example resulting from head trauma, or genetic factors.
No children with uncorrectable (20/20) vision.
Trial locations and contacts
1 site in 1 country.
United States1 site
National Cancer Institute (NCI)
Bethesda, Maryland, 20892
About this study
Children with symptomatic HIV-1 (Human Immunodeficiency Virus) infection are at increased risk for developing severely disabling neurological and neuropsychological deficits. HIV-1 related CNS (Central Nervous System) disease is a clinical syndrome, manifested by varying and sometimes discordant degrees of cognitive, motor and behavioral impairment. A continuum of clinical presentations attributed to the effects of HIV-1 infection on the CNS, ranging from apparently normal development, decreases in the rate of new learning to the loss of acquired skills have been observed. Two domains of psychological functioning appear most susceptible to the effects of HIV infection on the central nervous system in children: expressive behavior and attentional processes (Brouwers, et al, 1994).
Attention deficits have been documented as a relative weakness on the "freedom from distractibility" subclass of IQ tests (Brouwers et al, 1989) and on behavior assessment (Moss et al, 1994). Attention, however, has many subcomponents such as focused attention, divided attention, vigilance, etc. Direct assessment of attentional functioning using reaction time has not yet been conducted and questions whether attentional components are differentially affected by the virus have not been addressed.
The proposed study would assess different components of attentional functioning in children with HIV-1 disease. A quantitative and systematic method is developed that could complement the existing standardized instruments used for measuring attention and neurocognitive function in this population. Simple alerted visual reaction time will be measured with varying preparatory intervals, a two-choice reaction time in a go/no-go paradigm will be administered, and a continuous performance, divided reaction time test and an object decision task will be given. Performance on these measures will also be related to measures of brain structure and stage of HIV-1 disease.
Read the detailed description
Children with symptomatic HIV-1 (Human Immunodeficiency Virus) infection are at increased risk for developing severely disabling neurological and neuropsychological deficits. HIV-1 related CNS (Central Nervous System) disease is a clinical syndrome, manifested by varying and sometimes discordant degrees of cognitive, motor and behavioral impairment. A continuum of clinical presentations attributed to the effects of HIV-1 infection on the CNS, ranging from apparently normal development, decreases in the rate of new learning to the loss of acquired skills have been observed. Two domains of psychological functioning appear most susceptible to the effects of HIV infection on the central nervous system in children: expressive behavior and attentional processes (Brouwers, et al, 1994).
Attention deficits have been documented as a relative weakness on the "freedom from distractibility" subclass of IQ tests (Brouwers et al, 1989) and on behavior assessment (Moss et al, 1994). Attention, however, has many subcomponents such as focused attention, divided attention, vigilance, etc. Direct assessment of attentional functioning using reaction time has not yet been conducted and questions whether attentional components are differentially affected by the virus have not been addressed.
The proposed study would assess different components of attentional functioning in children with HIV-1 disease. A quantitative and systematic method is developed that could complement the existing standardized instruments used for measuring attention and neurocognitive function in this population. Simple alerted visual reaction time will be measured with varying preparatory intervals, a two-choice reaction time in a go/no-go paradigm will be administered, and a continuous performance, divided reaction time test and an object decision task will be given. Performance on these measures will also be related to measures of brain structure and stage of HIV-1 disease.
- Keywords
- Brain Imaging, Encephalopathy, Hyperactivity, Neuroimmunology, Reaction Time Tasks
- Medical subject headings
- Attention Deficit Disorder with Hyperactivity, HIV Infections, Paralysis, Brain Diseases, Spasm
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted10 Dec 2002 (estimated)
- Study startDec 1995
- Study completionOct 2000
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for Attention Deficit Disorder With HyperactivityStudies of the same condition, open and under way.
- More trials run by National Cancer Institute (NCI)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Enrolment
- 90 participants
Sponsor and investigators
- Lead sponsor
- National Cancer Institute (NCI)
- Sponsor type
- US National Institutes of Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00001497
- Sponsor's protocol ID
- 960030
- Other IDs
- 96-C-0030
- Status last verified
- Nov 1999
- First submitted
- 3 Nov 1999
- Last updated
- 4 Mar 2008
- Results posted
- No
Publications
Brouwers P, Riccardi R, Poplack D, Fedio P. Attentional deficits in long-term survivors of childhood acute lymphoblastic leukemia (ALL). J Clin Neuropsychol. 1984 Aug;6(3):325-36. doi: 10.1080/01688638408401222.
PubMed 6590573Brouwers P, DeCarli C, Civitello L, Moss H, Wolters P, Pizzo P. Correlation between computed tomographic brain scan abnormalities and neuropsychological function in children with symptomatic human immunodeficiency virus disease. Arch Neurol. 1995 Jan;52(1):39-44. doi: 10.1001/archneur.1995.00540250043011.
PubMed 7826274DeCarli C, Civitello LA, Brouwers P, Pizzo PA. The prevalence of computed tomographic abnormalities of the cerebrum in 100 consecutive children symptomatic with the human immune deficiency virus. Ann Neurol. 1993 Aug;34(2):198-205. doi: 10.1002/ana.410340216.
PubMed 8338344
Study at a glance
From the registry record, last updated by the sponsor on 4 Mar 2008. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Assessment of Attentional Functioning in Children With HIV-1 Infection
- ClinicalTrials.gov ID
- NCT00001497
- Acronym / sponsor ID
- 960030
- Keywords
- Brain Imaging, Encephalopathy, Hyperactivity, Neuroimmunology, Reaction Time Tasks
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 90 participants
- Lead sponsor
- National Cancer Institute (NCI)US National Institutes of Health
- Study start
- Dec 1995
- Study completion
- Oct 2000
- First posted
- 10 Dec 2002 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Children with symptomatic HIV-1 (Human Immunodeficiency Virus) infection are at increased risk for developing severely disabling neurological and neuropsychological deficits. HIV-1 related CNS (Central Nervous System) disease is a clinical syndrome, manifested by varying and sometimes discordant degrees of cognitive, motor and behavioral impairment. A continuum of clinical presentations attributed to the effects of HIV-1 infection on the CNS, ranging from apparently normal development, decreases in the rate of new learning to the loss of acquired skills have been observed. Two domains of psychological functioning appear most susceptible to the effects of HIV infection on the central nervous system in children: expressive behavior and attentional processes (Brouwers, et al, 1994).
Attention deficits have been documented as a relative weakness on the "freedom from distractibility" subclass of IQ tests (Brouwers et al, 1989) and on behavior assessment (Moss et al, 1994). Attention, however, has many subcomponents such as focused attention, divided attention, vigilance, etc. Direct assessment of attentional functioning using reaction time has not yet been conducted and questions whether attentional components are differentially affected by the virus have not been addressed.
The proposed study would assess different components of attentional functioning in children with HIV-1 disease. A quantitative and systematic method is developed that could complement the existing standardized instruments used for measuring attention and neurocognitive function in this population. Simple alerted visual reaction time will be measured with varying preparatory intervals, a two-choice reaction time in a go/no-go paradigm will be administered, and a continuous performance, divided reaction time test and an object decision task will be given. Performance on these measures will also be related to measures of brain structure and stage of HIV-1 disease.
Detailed description
Children with symptomatic HIV-1 (Human Immunodeficiency Virus) infection are at increased risk for developing severely disabling neurological and neuropsychological deficits. HIV-1 related CNS (Central Nervous System) disease is a clinical syndrome, manifested by varying and sometimes discordant degrees of cognitive, motor and behavioral impairment. A continuum of clinical presentations attributed to the effects of HIV-1 infection on the CNS, ranging from apparently normal development, decreases in the rate of new learning to the loss of acquired skills have been observed. Two domains of psychological functioning appear most susceptible to the effects of HIV infection on the central nervous system in children: expressive behavior and attentional processes (Brouwers, et al, 1994).
Attention deficits have been documented as a relative weakness on the "freedom from distractibility" subclass of IQ tests (Brouwers et al, 1989) and on behavior assessment (Moss et al, 1994). Attention, however, has many subcomponents such as focused attention, divided attention, vigilance, etc. Direct assessment of attentional functioning using reaction time has not yet been conducted and questions whether attentional components are differentially affected by the virus have not been addressed.
The proposed study would assess different components of attentional functioning in children with HIV-1 disease. A quantitative and systematic method is developed that could complement the existing standardized instruments used for measuring attention and neurocognitive function in this population. Simple alerted visual reaction time will be measured with varying preparatory intervals, a two-choice reaction time in a go/no-go paradigm will be administered, and a continuous performance, divided reaction time test and an object decision task will be given. Performance on these measures will also be related to measures of brain structure and stage of HIV-1 disease.
Study design
Who may qualify
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 4 Mar 2008.
- Background: PubMed 6590573Brouwers P, Riccardi R, Poplack D, Fedio P. Attentional deficits in long-term survivors of childhood acute lymphoblastic leukemia (ALL). J Clin Neuropsychol. 1984 Aug;6(3):325-36. doi: 10.1080/01688638408401222.
- Background: PubMed 7826274Brouwers P, DeCarli C, Civitello L, Moss H, Wolters P, Pizzo P. Correlation between computed tomographic brain scan abnormalities and neuropsychological function in children with symptomatic human immunodeficiency virus disease. Arch Neurol. 1995 Jan;52(1):39-44. doi: 10.1001/archneur.1995.00540250043011.
- Background: PubMed 8338344DeCarli C, Civitello LA, Brouwers P, Pizzo PA. The prevalence of computed tomographic abnormalities of the cerebrum in 100 consecutive children symptomatic with the human immune deficiency virus. Ann Neurol. 1993 Aug;34(2):198-205. doi: 10.1002/ana.410340216.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Attention Deficit Disorder With Hyperactivity and HIV Infections, run by National Cancer Institute (NCI) at 1 site in United States.
The full registered description is in the About this study section and the official record.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 4 Mar 2008. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00001497, which also lists 3 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Mar 2008.