Alzheimer DiseaseNCT00094913
PET Changes in Alzheimer's Disease (AD)
An observational study of Alzheimer Disease, run by National Institute on Aging (NIA) at 1 site in United States.
Trial summary
The purpose of this study is to identify the earliest predictors of memory and brain deterioration in pre-clinical Alzheimer's disease using positron emission tomography (PET) to monitor brain glucose metabolism. Read more about this study
- Who is it for?
- Ages 20 to 90 yearsHealthy volunteers can take part
- Conditions the study is for
- Alzheimer Disease
- How many people
- 105 participants
- Where
- 1 siteUnited States
- Study dates
- May 2004to Apr 2005
- 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 20 to 90 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Males and females with a minimum high school education and between the ages of 50 and 90 will be selected for Groups 1 and 2. For Group 3, normal subjects between the ages of 20 and 49 years of age will be selected. The Groups 1 and 2 will be balanced for age, and all three groups balanced for gender and ApoE genotype.
- Discontinuance of all psychotropic and/or cognitively active medication at least four weeks prior to evaluation.
Who cannot join
- Past history or MRI evidence of brain damage including significant trauma, stroke, hydrocephalus, lacunar infarcts, seizures, mental retardation or serious neurological disorder.
- Significant history of alcoholism or drug abuse.
- Any history of psychiatric illness (e.g., schizophrenia, mania or depression).
- Any focal signs or significant neuropathology.
- A score of 4 or greater on the Modified Hachinski Ischemia Scale, indicative of cerebrovascular disease.
- A total score of 16 or more on the Hamilton Depression Scale to exclude possible cases of primary depression.
Show all 11Show fewer
- Evidence of clinically relevant hypertensive, cardiac, pulmonary, vascular, metabolic or hematologic conditions. Specific exclusion will be made for individuals with fasting glucose levels >110 mg/dl.
- Physical impairment of such severity as to adversely affect the validity of psychological testing.
- Hostility or refusal to cooperate.
- Any prosthetic devices (e.g., pacemaker or surgical clips) that could be affected by the magnetic field employed during MRI imaging.
- Evidence of cognitive or memory impairment reaching early AD levels at the initial evaluation. At baseline, delayed paragraph recall z-scores > 2 below the reference group.
Trial locations and contacts
1 site in 1 country.
United States1 site
Center for Brain Health, Silberstein Institute, New York University
New York, New York, 10016
About this study
Official title: Clinical Correlates of Longitudinal PET Changes in Alzheimer's Disease (AD)
The purpose of this study is to identify the earliest predictors of memory and brain deterioration in pre-clinical Alzheimer's disease using positron emission tomography (PET) to monitor brain glucose metabolism.
Read the detailed description
Previous studies indicate that the brain's glucose metabolism rate potentially may be an early indicator of damage to particular regions of the brain caused by AD, including loss of neurons, synapses, and other changes. Many of these changes are reported among patients with mild cognitive impairment (MCI), a group known to be at increased risk for AD.
The overall goal of this study is to use FDG-PET (2-[(18)F]fluoro-2-deoxy-d-glucose/positron-emission tomography) to determine whether metabolic abnormalities in the hippocampus predict memory and brain deterioration in middle age, and to identify the brain glucose metabolism predictors of future MCI.
Participants in the study will be grouped into 3 main groups of 35 each, including young individuals (20-40 years of age), 41-90 year-old normal, and MCI individuals with or without risk for memory decline. Participants will undergo baseline and 36-month follow-up exams to include comprehensive medical, neurologic, and psychiatric evalutions; lumbar puncture; a resting FDG-PET; an MRI scan; and a neuropsychological battery. A brief medical exam, full neuropsychological battery, and MRI scan will be administered at 18 months. Two subgroups (groups 4 and 5) of 15 each will be created from groups 1 and 2 at 18 months to participate in the evaluation of memory performance under acute hyperglycemia and saline challenges and effects on hippocampal formation and glucose metabolism.
- Conditions
- Alzheimer Disease
- Keywords
- Aging, Mild Cognitive Impairment, Alzheimer disease, preclinical, Hippocampal formation, Glucose metabolism
- Medical subject headings
- Alzheimer Disease, Cognitive Dysfunction
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted29 Oct 2004 (estimated)
- Study startMay 2004
- Study completionApr 2005
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 Alzheimer DiseaseStudies of the same condition, open and under way.
- 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
- Time perspective
- Prospective
- Enrolment
- 105 participants (estimated)
Sponsor and investigators
- Lead sponsor
- National Institute on Aging (NIA)
- Sponsor type
- US National Institutes of Health
- Investigators
- Mony J. de Leon, Ed.D., Principal investigator, Center for Brain Health, Silberstein Institute
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00094913
- Sponsor's protocol ID
- IA0055
- Other IDs
- R01AG013616
- Status last verified
- Jul 2007
- First submitted
- 28 Oct 2004
- Last updated
- 27 May 2009
- Results posted
- No
Publications
de Leon MJ, Convit A, Wolf OT, Tarshish CY, DeSanti S, Rusinek H, Tsui W, Kandil E, Scherer AJ, Roche A, Imossi A, Thorn E, Bobinski M, Caraos C, Lesbre P, Schlyer D, Poirier J, Reisberg B, Fowler J. Prediction of cognitive decline in normal elderly subjects with 2-[(18)F]fluoro-2-deoxy-D-glucose/poitron-emission tomography (FDG/PET). Proc Natl Acad Sci U S A. 2001 Sep 11;98(19):10966-71. doi: 10.1073/pnas.191044198. Epub 2001 Aug 28.
PubMed 11526211Bobinski M, de Leon MJ, Convit A, De Santi S, Wegiel J, Tarshish CY, Saint Louis LA, Wisniewski HM. MRI of entorhinal cortex in mild Alzheimer's disease. Lancet. 1999 Jan 2;353(9146):38-40. doi: 10.1016/s0140-6736(05)74869-8. No abstract available.
PubMed 10023955De Santi S, de Leon MJ, Rusinek H, Convit A, Tarshish CY, Roche A, Tsui WH, Kandil E, Boppana M, Daisley K, Wang GJ, Schlyer D, Fowler J. Hippocampal formation glucose metabolism and volume losses in MCI and AD. Neurobiol Aging. 2001 Jul-Aug;22(4):529-39. doi: 10.1016/s0197-4580(01)00230-5.
PubMed 11445252
Study at a glance
From the registry record, last updated by the sponsor on 27 May 2009. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Clinical Correlates of Longitudinal PET Changes in Alzheimer's Disease (AD)
- ClinicalTrials.gov ID
- NCT00094913
- Acronym / sponsor ID
- IA0055
- Conditions
- Alzheimer Disease
- Keywords
- Aging, Mild Cognitive Impairment, Alzheimer disease, preclinical, Hippocampal formation, Glucose metabolism
- Study type
- Observational
- Recruitment status
- Unknown status
- Enrolment
- 105 participants (estimated)
- Lead sponsor
- National Institute on Aging (NIA)US National Institutes of Health
- Study start
- May 2004
- Study completion
- Apr 2005
- First posted
- 29 Oct 2004 (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.
The purpose of this study is to identify the earliest predictors of memory and brain deterioration in pre-clinical Alzheimer's disease using positron emission tomography (PET) to monitor brain glucose metabolism.
Detailed description
Previous studies indicate that the brain's glucose metabolism rate potentially may be an early indicator of damage to particular regions of the brain caused by AD, including loss of neurons, synapses, and other changes. Many of these changes are reported among patients with mild cognitive impairment (MCI), a group known to be at increased risk for AD.
The overall goal of this study is to use FDG-PET (2-[(18)F]fluoro-2-deoxy-d-glucose/positron-emission tomography) to determine whether metabolic abnormalities in the hippocampus predict memory and brain deterioration in middle age, and to identify the brain glucose metabolism predictors of future MCI.
Participants in the study will be grouped into 3 main groups of 35 each, including young individuals (20-40 years of age), 41-90 year-old normal, and MCI individuals with or without risk for memory decline. Participants will undergo baseline and 36-month follow-up exams to include comprehensive medical, neurologic, and psychiatric evalutions; lumbar puncture; a resting FDG-PET; an MRI scan; and a neuropsychological battery. A brief medical exam, full neuropsychological battery, and MRI scan will be administered at 18 months. Two subgroups (groups 4 and 5) of 15 each will be created from groups 1 and 2 at 18 months to participate in the evaluation of memory performance under acute hyperglycemia and saline challenges and effects on hippocampal formation and glucose metabolism.
Study design
- Time perspective
- Prospective
Who may qualify
- Ages
- 20 to 90 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- Males and females with a minimum high school education and between the ages of 50 and 90 will be selected for Groups 1 and 2. For Group 3, normal subjects between the ages of 20 and 49 years of age will be selected. The Groups 1 and 2 will be balanced for age, and all three groups balanced for gender and ApoE genotype.
- Discontinuance of all psychotropic and/or cognitively active medication at least four weeks prior to evaluation.
Key exclusion criteria (11 listed)
- Past history or MRI evidence of brain damage including significant trauma, stroke, hydrocephalus, lacunar infarcts, seizures, mental retardation or serious neurological disorder.
- Significant history of alcoholism or drug abuse.
- Any history of psychiatric illness (e.g., schizophrenia, mania or depression).
- Any focal signs or significant neuropathology.
- A score of 4 or greater on the Modified Hachinski Ischemia Scale, indicative of cerebrovascular disease.
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
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 27 May 2009.
- Background: PubMed 11526211de Leon MJ, Convit A, Wolf OT, Tarshish CY, DeSanti S, Rusinek H, Tsui W, Kandil E, Scherer AJ, Roche A, Imossi A, Thorn E, Bobinski M, Caraos C, Lesbre P, Schlyer D, Poirier J, Reisberg B, Fowler J. Prediction of cognitive decline in normal elderly subjects with 2-[(18)F]fluoro-2-deoxy-D-glucose/poitron-emission tomography (FDG/PET). Proc Natl Acad Sci U S A. 2001 Sep 11;98(19):10966-71. doi: 10.1073/pnas.191044198. Epub 2001 Aug 28.
- Background: PubMed 10023955Bobinski M, de Leon MJ, Convit A, De Santi S, Wegiel J, Tarshish CY, Saint Louis LA, Wisniewski HM. MRI of entorhinal cortex in mild Alzheimer's disease. Lancet. 1999 Jan 2;353(9146):38-40. doi: 10.1016/s0140-6736(05)74869-8. No abstract available.
- Background: PubMed 11445252De Santi S, de Leon MJ, Rusinek H, Convit A, Tarshish CY, Roche A, Tsui WH, Kandil E, Boppana M, Daisley K, Wang GJ, Schlyer D, Fowler J. Hippocampal formation glucose metabolism and volume losses in MCI and AD. Neurobiol Aging. 2001 Jul-Aug;22(4):529-39. doi: 10.1016/s0197-4580(01)00230-5.
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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.
Mony J. de Leon, Ed.D. principal investigator
Center for Brain Health, Silberstein Institute
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 Alzheimer Disease, run by National Institute on Aging (NIA) at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 27 May 2009. 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?
Results are not available in the source record.
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 NCT00094913, 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 27 May 2009.