- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01403519
Innovative Biomarkers in Alzheimer's Disease and Frontotemporal Dementia (FTD): Preventative and Personalized
Tau pathology and tangles have been associated with cognitive dysfunction causing neurodegeneration. AD, the most abundant tauopathy is characterized by amyloid plaques and tau tangles. An abundance of tau inclusions, in the absence of amyloid deposits, defines Pick's disease (frontotemporal lobar degeneration), progressive supranuclear palsy (PSP), corticobasal degeneration (CBD) and other diseases including frontal atrophy associated with cognitive clinical dysfunction of frontal dysexecutive syndrome, progressive nonfluent aphasia and semantic dementia as recently reviewed (Gozes 2010). It is the investigators aim to follow other protein expression [as per recent publications (Marksteiner et al., 2011)] in blood and CSF samples from those tauopathies.
Significance: Results should establish the possibility of using tau and other proteins as markers for early detection and disease progression in FTD, also in comparison to Alzheimer's disease (AD).
Study Overview
Status
Conditions
Detailed Description
Assessing biomarkers in Alzheimer's disease and frontotemporal dementia
Specific Aims
To enhance the field of biomarker recognition and facilitate preventative and personalized medicine we are now posing the following question, does the Israeli patient population present similar plasma protein profile as described before for other populations (Marksteiner et al., 2011).
Studies will be carried out by RNA transcript quantification, quantitative real time polymerase chain reaction (blood cells and CSF) and immunochemical detection at the protein level (CSF and serum).
- Methods:
Lymphocytes:
Human lymphocytes are isolated from 10 ml of venous blood using the Ficoll Paque method (de Rock and Taylor 1977; McCauley and Hartmann, 1982), for RNA extraction and determinations we shall follow-up the methods described in our manuscripts (Dresner et al., 2011).
Blood plasma and serum will be prepared as outlined in www.peoimmune.com. Protein quantitation will be carried out using the Tri reagent (Sigma) which allows for simultaneous preparation of RNA, DNA and protein and plasma immunodepletion and albumin depletion kits from Sigma.
Protein quantification: this will be carried out on cellular proteins and also on plasma proteins by SDS-polyacrylamide gel electrophoresis, followed by western analysis.
CSF samples will be collected through a spinal needle inserted into the L4-L5 or L3-L4 vertebral space with the subject in the lateral decubitus position. One ml of CSF derived from each patient will be immediately immersed in ice, with subsequent maintenance at -70 degrees C (or in dry ice during shipping) until the time of the assay. Half ml of each CSF sample will be concentrated by lyophilization in a Speed-Vac (Holten, Gydevang, Denmark) to about 0.1ml. CSF protein immunoblotting will be performed using a similar methodology as described above [and see also(Kozlovsky et al., 2004)]. Protein expression will be analyzed by western blots (Shiryaev et al., 2010).
Number of patients:
We estimate that about 30 patients with Alzheimer's disease, 20 patients with frontotemporal dementia and 20 controls will be included.
Professor Aharon-Peretz will evaluate patients with suspected Alzheimer's disease and frontotemporal dementia and include patients at various disease stages in a stratified manner (mild, moderate and severe). All patients will have signed an informed consent form, as per Helsinki guidelines. Clinical evaluation will include: physical and neurological evaluation. All patients will be asked to donate 50 ml blood and selected patients will undergo lumber puncture. The lumber puncture will be performed with the neurological work up. Professor Gozes will coordinate the scientific aspect of the study.
Study coordinators:
Scientific: Professor Illana Gozes, PhD, The Lily and Avraham Gildor Chair for the Investigation of Growth Factors; Director, The Adams Super Center for Brain Studies, Tel Aviv University: igozes@post.tau.ac.il Clinical material: Professor Judith Aharon-Peretz, MD, Head of "Cognitive Neurology Unit" Rambam Rambam-Health Care Campus, Haifa, Israel
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
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Haifa, Israel, 31096
- Rambam Hospital
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Contact:
- Judith Aharon-Peretz, M.D.
- Phone Number: 972-4-8542637
- Email: jaharon@rambam.health.gov.il
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Minimal cognitive impairment (MCI) and Alzheimer's disease (AD) patients, men and women, age 45-80 will be asked to participate in the present study.
- MCI will be diagnosed when on cognitive evaluation the patients will score <1.5 SD on memory tests and will not be demented. AD will be diagnosed according to NINCDS-ADRDA research criteria. Patients will be stratified by age and cognitive (dementia) status. Disease severity for AD: mild to moderate (MMSE >16) AD.
- Frontotemporal dementia: patients with a clinical diagnosis of frontotemporal dementia [behavioral variants (bv)FTD, progressive nonfluent aphasia (PNFA), or semantic dementia] and the related syndromes corticobasal syndrome (CBS) and progressive supranuclear palsy (PSP) will be included.
- Inclusion criteria (controls): men and women, ages 45-80, willing to participate in the study and donate a blood samples.
Exclusion Criteria:
(patients and controls):
- Subjects unable/unwilling to sign an informed consent.
- Patients with associated medical condition: alcoholism, immune diseases and end stage medical conditions.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
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Alzheimer's disease patients
Patients blood and CSF samples
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Control group
Blood and CSF samples
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FTD patients
Blood ad CSF samples
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Judith Aharon-Peretz, M.D., Rambam Hospital, Haifa, Israel
- Principal Investigator: Illana Gozes, Ph.D., Tel Aviv University, Sackler School of Medicine, Israel
Publications and helpful links
General Publications
- Gozes I. Tau pathology and future therapeutics. Curr Alzheimer Res. 2010 Dec;7(8):685-96. doi: 10.2174/156720510793611628.
- Marksteiner J, Kemmler G, Weiss EM, Knaus G, Ullrich C, Mechtcheriakov S, Oberbauer H, Auffinger S, Hinterholzl J, Hinterhuber H, Humpel C. Five out of 16 plasma signaling proteins are enhanced in plasma of patients with mild cognitive impairment and Alzheimer's disease. Neurobiol Aging. 2011 Mar;32(3):539-40. doi: 10.1016/j.neurobiolaging.2009.03.011. Epub 2009 Apr 22.
- de Rock E, Taylor N. An easy method of layering blood over Ficoll-Paque gradients. J Immunol Methods. 1977;17(3-4):373-4. doi: 10.1016/0022-1759(77)90120-x. No abstract available.
- McCauley I, Hartmann PE. The estimation of B lymphocytes and their subpopulations in pigs. A comparison between a method using whole blood and one using Ficoll-Paque purified mononuclear cells. J Immunol Methods. 1982;50(1):33-8. doi: 10.1016/0022-1759(82)90301-5.
- Dresner E, Agam G, Gozes I. Activity-dependent neuroprotective protein (ADNP) expression level is correlated with the expression of the sister protein ADNP2: deregulation in schizophrenia. Eur Neuropsychopharmacol. 2011 May;21(5):355-61. doi: 10.1016/j.euroneuro.2010.06.004. Epub 2010 Jul 3.
- Kozlovsky N, Regenold WT, Levine J, Rapoport A, Belmaker RH, Agam G. GSK-3beta in cerebrospinal fluid of schizophrenia patients. J Neural Transm (Vienna). 2004 Aug;111(8):1093-8. doi: 10.1007/s00702-003-0127-0. Epub 2004 Apr 27.
- Shiryaev N, Jouroukhin Y, Gozes I. 3R tau expression modifies behavior in transgenic mice. J Neurosci Res. 2010 Sep;88(12):2727-35. doi: 10.1002/jnr.22431.
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Mental Disorders
- Metabolic Diseases
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Neurologic Manifestations
- Neurobehavioral Manifestations
- Neurocognitive Disorders
- Neurodegenerative Diseases
- TDP-43 Proteinopathies
- Proteostasis Deficiencies
- Tauopathies
- Language Disorders
- Communication Disorders
- Speech Disorders
- Frontotemporal Lobar Degeneration
- Aphasia
- Dementia
- Alzheimer Disease
- Frontotemporal Dementia
- Aphasia, Primary Progressive
- Pick Disease of the Brain
Other Study ID Numbers
- 437-10CTIL
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