- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT03876314
Fyzická aktivita, Alzheimerova choroba a kognice ve vztahu k genotypu APOE (PAAD-2)
Vliv fyzické aktivity na kognici ve vztahu k genotypu APOE (PAAD-2)
Přehled studie
Postavení
Podmínky
Intervence / Léčba
Detailní popis
Typ studie
Zápis (Aktuální)
Fáze
- Nelze použít
Kontakty a umístění
Studijní místa
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North Carolina
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Greensboro, North Carolina, Spojené státy, 27402
- University of North Carolina-Greensboro
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Popis
Kritéria pro zařazení:
- Rodinná anamnéza Alzheimerovy choroby, kognitivní poruchy
- Umět komunikovat v angličtině
- V současné době nesplňuje doporučení pro fyzickou aktivitu (doporučení jsou cvičit 3 dny/týden po dobu 30 a více minut denně po dobu delší než 3 měsíce)
- Ochota být randomizována do obou podmínek studie
- Ochota absolvovat veškeré studijní aktivity po dobu 1 roku
Kritéria vyloučení:
- Splnit kritéria pro klinickou kognitivní poruchu
- Neschopnost vykonávat fyzickou aktivitu kvůli známému kardiovaskulárnímu, metabolickému nebo renálnímu onemocnění a je symptomatická nebo kvůli ortopedickým omezením
- Vlastní hlášení historie matoucích neurologických, psychiatrických nebo aktivních závažných nebo funkčně invalidizujících neurologických nebo lékařských onemocnění nebo jakýchkoli jiných stavů, které by mohly omezovat cvičení nebo představovat nebezpečí pro pacienta
- Současné používání léků k léčbě příznaků Alzheimerovy choroby, které nepříznivě ovlivňují kognici nebo ovlivňují srdeční frekvenci
- Splňte kritéria deprese pomocí zkrácené formy Škály deprese Centra pro epidemiologické studie
- Cestování na delší dobu (> 1 měsíc) v průběhu studia
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Základní věda
- Přidělení: Randomizované
- Intervenční model: Paralelní přiřazení
- Maskování: Dvojnásobek
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
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Experimentální: Stav fyzické aktivity (PAC)
Subjekty budou požádány, aby navštěvovaly virtuální cvičení 3krát týdně po dobu 1 roku.
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Subjekty budou navštěvovat virtuální skupinová cvičení 3x týdně po dobu 1 roku.
Každý subjekt bude vyzván k chůzi se střední intenzitou (cílová srdeční frekvence (HR) = 40-59% rezerva HR) v závislosti na klidové srdeční frekvenci a věku.
Subjekty budou samostatně provádět aerobní cvičení a odporová cvičení budou absolvovat ve virtuálních cvičebních sezeních s instruktorem 1 hodinu/den po 3 dny/týden po dobu 1 roku.
Na cvičeních budou tito účastníci požádáni, aby zaznamenali měření dokončených cvičení a mohou být požádáni, aby poskytli měření srdeční frekvence (hodnoceno palpací po dobu 20 sekund) a frekvence vnímané námahy (RPE).
Budou požádáni, aby předložili protokoly cvičení obsahující tyto informace.
Data z cvičebních záznamů a záznamů cvičebních specialistů budou přezkoumána z hlediska důkazů progrese, konzistentního dosahování střední intenzity a s ohledem na předepsanou dobu trvání aerobní a silové složky tréninku.
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Žádný zásah: Kontrola obvyklé péče (UCC)
Účastníci obvyklé kontroly péče budou udržovat své běžné zdravotní postupy po dobu 1 roku.
Účastníci obdrží jednou za dva týdny zdravotní zpravodaj a budou kontaktováni každé dva týdny, aby odpověděli na jakékoli otázky a informovali se o zdraví účastníka.
Vlastní fyzická aktivita účastníků bude hodnocena měsíčně.
Tímto způsobem budou účastníci kontaktováni zaměstnanci každý týden.
Obvyklí účastníci kontroly péče, kteří dokončí všechny aktivity související se studií, včetně předtestování, středního a následného testu, získají po testu krátkodobé členství v YMCA.
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
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Change in Performance on the Cognitive Domain of Executive Function as Measured With Stroop Interference Reaction Time (RT)
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in executive function will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on Stroop Interference.
Stroop interference is calculated using reaction time (RT) data from correct trials and the following formula: Stroop Interference RT = Stroop Incongruent RT - (average (Stroop Congruent RT , Stroop Neutral RT)).
Stroop Congruent is also known as Stroop Word, and Stroop Neutral is also known as Stroop Color.
RT is recorded in msec and a larger score is indicative of greater interference (worse performance)
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Executive Function as Measured With Trail Making Test Interference
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in executive function will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the Comprehensive Trail Making Test (TMT) interference.
TMT interference is calculated as total time to complete TMT B (also called Trail 5) minus the total time to complete TMT A (also called Trail 1)which were both recorded in seconds.
TMT interference is, therefore, recorded in seconds with a larger score indicative of greater interference (worse performance)
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Executive Function as Measured With NIH Toolbox Dimensional Change Card Sort
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in executive function will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the NIH Toolbox Dimentional Change Card Sort Test (DCCS).
We used the recommended outcome of the DCCS computed score.
This is calculated automatically within the NIH Toolbox based upon a two-stage process combining a score of 0-5 from the accuracy data with a score of 0-5 from the reaction time data.
Thus, scores range from 0-10 with a higher score indicative of better performance.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Executive Function as Measured With the NIH Toolbox Flanker Test.
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in executive function will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the NIH Toolbox Flanker Inhibitory Control and Attention Test.
We used the recommended outcome of the Flanker computed score.
This is calculated automatically within the NIH Toolbox based upon a two-stage process combining a score of 0-5 from the accuracy data with a score of 0-5 from the reaction time data.
Thus, scores range from 0-10 with a higher score indicative of better performance.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Executive Function as Measured With Matrix Reasoning.
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in executive function will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on Matrix Reasoning Accuracy from the Virginia Cognitive Aging Project (VCAP).
Version O was given at pre, Version A was given at mid, and Version B was given at post.
Possible scores range from 0-1 (i.e., 0% accuracy to 100% accuracy expressed on a 0.00-1.00
scale) with a higher score being indicative of better performance.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Memory as Measured With the Auditory Verbal Learning Test.
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in memory will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the Auditory Verbal Learning Test.
Majdan et al. (1996) Form 1 was given at pre, the standard Rey Auditory Verbal Learning list was given at mid, and Majdan et al. (1996) Form 2 was given at post.
These versions are comparable in terms of their scores (Sherman, Tan, & Hrabok, 2022).
Possible scores range from 0-15 with a bigger score being indicative of better memory.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Memory as Measured With the Rey-Osterrieth Complex Figure Test
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in memory will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the Rey Osterreith Complex Figure Test.
Tests were scored using the deep learning approach for automated scoring published by Langer et al. eLife 2024;13:RP96017.
DOI: https://doi.org/10.7554/eLife.96017.
Possible scores range from 0-36 with higher scores being indicative of better memory.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Memory as Measured With the NIH Toolbox Picture Sequence Test
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in memory will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the NIH Toolbox Picture Sequence Memory Test - The computed score is an IRT-based theta score of the number of adjacent pairs placed for trial 1 and 2 with a higher score being indicative of better memory.
This score is automatically created within the NIH Toolbox.
Version A was given at pre, Version B was given at mid, and Version C was given at post.
Possible scores range from 200-700 with a higher score being indicative of better performance.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Memory as Measured With the Mnemonic Similarity Test
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in memory will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) Lure Discimination Index (LDI) on the Mnemonic Similarity Test (MST).
The MST was created based upon the publicly available and validated instructions and stimuli provided by the creators of the task (Stark, Kirwan, & Stark, 2019).
Equivalent versions of the test are administered so participants see different stimuli at each testing session and those stimuli were counterbalanced to rotate through the different item types.
The formula for calculating the LDI is: p(similar|lure) - p(similar|foil) where p(similar|lure) = Total # of "similar" responses to lure items / 36 and p(similar|foil) = Total # "similar" responses to foil items / 36.
Scores range from -1 to +1 with a larger score indicating better discrimination performance.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Attention as Measured With the Paced Auditory Serial Addition Test
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in attention will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the 2-sec trial of the Paced Auditory Serial Addition Task.
Scores are reported as the number of correct responses with possible scores ranging from 0-60 and larger scores being indicative of better attention.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Attention as Measured With the Forward Digit Span Test
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in attention will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the Neurological Assessment Battery (NAB) Digit Span Forward test.
Scores are reported as the number of correct trials with possible scores ranging from 0-14 and larger scores being indicative of better attention.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Working Memory as Measured With NIH Toolbox List Sort Working Memory
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in working memory will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the NIH Toolbox List Sort Working Memory Test.
Scores are reported as the sum of the total number of items correctly recalled and sequenced on Lists 1 and 2 with possible scores ranging from 0-26 and larger scores being indicative of better working memory.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Working Memory as Measured With Spatial Working Memory
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in working memory will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) reaction time on the 4-dot trial of the Spatial Working Memory Test.
Scores are reported as the average reaction time (RT) for correct responses.
Smaller scores are indicative of faster performance (i.e., better performance).
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Working Memory as Measured With Backward Digit Span
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in working memory will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) accuracy on the Neurological Assessment Battery (NAB) Digit Span Backwards test.
Scores are reported as the number of correct trial with possible scores ranging from 0-14 and larger scores being indicative of better working memory.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Processing Speed as Measured With the Digit Symbol Modalities Test (SDMT)
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in working memory will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the Digit Symbol Modalities Test (SDMT) (Smith, 1973).
Scores are reported as the sum of Oral and Written Trial Raw Scores (correct responses) with possible scores ranging from 0-220 and larger scores being indicative of better working memory.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Processing Speed as Measured With the Stroop Word Test
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in processing speed will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on Stroop Word condition (also known as the Stroop Congruent condition).
RT is recorded in msec and a larger score is indicative of slower performance (worse performance)
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Processing Speed as Measured With the Stroop Color Test
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in processing speed will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on Stroop Color condition (also known as the Stroop Neutral condition).
RT is recorded in msec and a larger score is indicative of slower performance (worse performance)
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in Performance on the Cognitive Domain of Processing Speed as Measured With the Trail Making Test A
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Change in executive function will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) performance on the Comprehensive Trail Making Test (TMT) A (TMT A) (also known as Trail 1).
Performance is recorded in seconds with a larger score indicative of slower performance (worse performance)
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
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Change in Brain Morphology (Whole Brain Volume)
Časové okno: Pre-Test and Post-Test (~12 months)
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Change in whole brain morphology will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) for total segmented brain volume (i.e., total brain separated from non-brain structures).
This is measured as volume (mm3), with volumes ranging from 1,050,000 to 1,350,000, and with higher values being interpreted as better.
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Pre-Test and Post-Test (~12 months)
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Change in Brain Morphology (Left Hippocampus Volume)
Časové okno: Pre-Test and Post-Test (~12 months)
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Change in Left Hippocampus Volume will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) for total segmented left hippocampus volume (i.e., left hippocampus segmented away from other regions).
This is measured as volume (mm3), ranges from 2500 to 4500, and higher values are better.
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Pre-Test and Post-Test (~12 months)
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Change in Brain Morphology (Right Hippocampus Volume)
Časové okno: Pre-Test and Post-Test (~12 months)
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Change in Right Hippocampus Volume will be assessed by comparing Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months) for total segmented right hippocampus volume (i.e., right hippocampus segmented away from other regions).
This is measured as volume (mm3), ranges from 2500 to 4500, and higher values are better.
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Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - BDNF
Časové okno: Pre-Test and Post-Test (~12 months)
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Blood samples will be taken following a 12-hour fast.
Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin.
Change from pre-test to post-test will be assessed.
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Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - Irisin
Časové okno: Pre-Test and Post-Test (~12 months)
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Blood samples will be taken following a 12-hour fast.
Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin.
Change from pre-test to post-test will be assessed.
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Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - IGF-1
Časové okno: Pre-Test and Post-Test (~12 months)
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Change in blood biomarkers (BDNF, irisin, IGF-1, glucose, insulin, TNF-⍺, serum amyloid protein (SAP), albumin, ApoE and ⍺-2 macroglobulin) - IGF-1. Blood samples will be taken following a 12-hour fast. Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin. Change from pre-test to post-test will be assessed. The capture antibodies in the kits we received from the company for IGF-1 were not effective. We attempted to secure new kits to conduct the assays, but did not receive the kits in a timely fashion. We intend to conduct these assays upon receipt of the kits and the availability of personnel to perform the assays. The anticipated reporting date for IGF-1 is January 2027. |
Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - Glucose
Časové okno: Pre-Test and Post-Test (~12 months)
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Blood samples will be taken following a 12-hour fast.
Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin.
Change from pre-test to post-test will be assessed.
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Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - Insulin
Časové okno: Pre-Test and Post-Test (~12 months)
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Blood samples will be taken following a 12-hour fast.
Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin.
Change from pre-test to post-test will be assessed.
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Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - TNFa
Časové okno: Pre-Test and Post-Test (~12 months)
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Blood samples will be taken following a 12-hour fast.
Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin.
Change from pre-test to post-test will be assessed.
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Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - SAA
Časové okno: Pre-Test and Post-Test (~12 months)
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Blood samples will be taken following a 12-hour fast.
Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin.
Change from pre-test to post-test will be assessed.
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Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - ALB
Časové okno: Pre-Test and Post-Test (~12 months)
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Blood samples will be taken following a 12-hour fast.
Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin.
Change from pre-test to post-test will be assessed.
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Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - ApoE
Časové okno: Pre-Test and Post-Test (~12 months)
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Blood samples will be taken following a 12-hour fast.
Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin.
Change from pre-test to post-test will be assessed.
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Pre-Test and Post-Test (~12 months)
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Change in Blood Biomarkers (BDNF, Irisin, IGF-1, Glucose, Insulin, TNF-⍺, Serum Amyloid Protein (SAP), Albumin, ApoE and ⍺-2 Macroglobulin) - ⍺-2 Macroglobulin
Časové okno: Pre-Test and Post-Test (~12 months)
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Blood samples will be taken following a 12-hour fast.
Assays will be conducted for brain-derived neurotrophic factor (BDNF), irisin, insulin-like growth factor (IGF)-1, glucose, insulin, tumor necrosis factor (TNF)-⍺, serum amyloid protein (SAP), albumin, apolipoprotein E (ApoE) and ⍺-2 macroglobulin.
Change from pre-test to post-test will be assessed.
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Pre-Test and Post-Test (~12 months)
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Change in Cardiorespiratory Fitness
Časové okno: Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
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Fitness will be assessed by comparing predicted VO2max at Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months).
Fitness will be assessed using a submaximal graded aerobic exercise test performed on a treadmill.
Oxygen uptake (VO2) at each stage is estimated based on the treadmill speed and grade during a ramped exercise protocol performed until volitional exhaustion or test termination due to symptom limitations.
The VO2max estimation uses the slope of the regression line between the heart rates (HR) of the last two stages to extrapolate to the participant's predicted VO2 at their age-predicted max HR (220-age).
If HR at either of the last two stages is <110, VO2 could not be reliably calculated, and we consider the participant to have insufficient data (ID).
We have explored other options for estimating VO2 max, but believe this is the best option available.
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Pre-Test, Mid-Test (~6 months), and Post-Test (~12 months)
|
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Change in Brain Activity (Resting-state Connectivity) Right Lateral Parietal, Posterior Cingulate Cortex
Časové okno: Pre-Test and Post-Test (~12 months)
|
Functional MRI will be used to measure brain activity including resting-state connectivity and change will be assessed from pre-test to post-test.
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Pre-Test and Post-Test (~12 months)
|
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Change in Brain Activity (Resting-state Connectivity) Left Lateral Parietal, Right Lateral Parietal
Časové okno: Pre-Test and Post-Test (~12 months)
|
Functional MRI will be used to measure brain activity including resting-state connectivity and change will be assessed from pre-test to post-test.
|
Pre-Test and Post-Test (~12 months)
|
|
Change in Brain Activity (Resting-state Connectivity) Left Lateral Parietal, Posterior Cingulate Cortex
Časové okno: Pre-Test and Post-Test (~12 months)
|
Functional MRI will be used to measure brain activity including resting-state connectivity and change will be assessed from pre-test to post-test.
|
Pre-Test and Post-Test (~12 months)
|
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Change in Brain Activity (Resting-state Connectivity) Medial Prefrontal Cortex, Posterior Cingulate Cortex
Časové okno: Pre-Test and Post-Test (~12 months)
|
Functional MRI will be used to measure brain activity including resting-state connectivity and change will be assessed from pre-test to post-test.
|
Pre-Test and Post-Test (~12 months)
|
|
Change in Brain Activity (Resting-state Connectivity) Medial Prefrontal Cortex, Right Lateral Parietal
Časové okno: Pre-Test and Post-Test (~12 months)
|
Functional MRI will be used to measure brain activity including resting-state connectivity and change will be assessed from pre-test to post-test.
|
Pre-Test and Post-Test (~12 months)
|
|
Change in Brain Activity (Resting-state Connectivity) Medial Prefrontal Cortex, Left Lateral Parietal
Časové okno: Pre-Test and Post-Test (~12 months)
|
Functional MRI will be used to measure brain activity including resting-state connectivity and change will be assessed from pre-test to post-test.
|
Pre-Test and Post-Test (~12 months)
|
Spolupracovníci a vyšetřovatelé
Vyšetřovatelé
- Vrchní vyšetřovatel: Jennifer Etnier, PhD, UNC Greensboro
Publikace a užitečné odkazy
Obecné publikace
- Park KS, Etnier JL. An innovative protocol for the artificial speech-directed, contactless administration of laboratory-based comprehensive cognitive assessments: PAAD-2 trial management during the COVID-19 pandemic. Contemp Clin Trials. 2021 Aug;107:106500. doi: 10.1016/j.cct.2021.106500. Epub 2021 Jul 2.
- Park KS, Ganesh AB, Berry NT, Mobley YP, Karper WB, Labban JD, Wahlheim CN, Williams TM, Wideman L, Etnier JL. The effect of physical activity on cognition relative to APOE genotype (PAAD-2): study protocol for a phase II randomized control trial. BMC Neurol. 2020 Jun 6;20(1):231. doi: 10.1186/s12883-020-01732-1.
Užitečné odkazy
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Primární dokončení (Aktuální)
Dokončení studie (Aktuální)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
Další relevantní podmínky MeSH
Další identifikační čísla studie
- 18-0228
- R01AG058919 (Grant/smlouva NIH USA)
Plán pro data jednotlivých účastníků (IPD)
Plánujete sdílet data jednotlivých účastníků (IPD)?
Popis plánu IPD
Dokumentace dat a neidentifikovaná data budou uložena pro sdílení v souladu s platnými zákony a předpisy. Data budou k dispozici v anonymním stavu bez identifikace a ve formátu .csv formát. Data budou sdílena exportem dat z RedCap do souboru .csv soubor archivovaný pod institucionálním profilem hlavního řešitele studie v institucionálním repozitáři University of North Carolina Greensboro (UNCG) University Libraries Digital Online Collection of Knowledge and Scholarship (NC DOCKS).
Data budou také sdílena prostřednictvím Global Alzheimer's Association Interactive Network (GAAIN), federovaného datového systému určeného k podpoře sdílení dat a rozvoji spolupráce pro výzkumníky, kteří se zajímají o data související s Alzheimerovou chorobou. Zainteresovaní vědci mohou prozkoumat metadata z PAAD-2 a dalších studií. Když se stanete partnerem, bude na www.gaain.org zpřístupněn popis PAAD-2 a odkaz na kontakt na hlavního řešitele.
Časový rámec sdílení IPD
Kritéria přístupu pro sdílení IPD
Typ podpůrných informací pro sdílení IPD
- PROTOKOL STUDY
- MÍZA
- ICF
- ANALYTIC_CODE
Informace o lécích a zařízeních, studijní dokumenty
Studuje lékový produkt regulovaný americkým FDA
Studuje produkt zařízení regulovaný americkým úřadem FDA
Tyto informace byly beze změn načteny přímo z webu clinicaltrials.gov. Máte-li jakékoli požadavky na změnu, odstranění nebo aktualizaci podrobností studie, kontaktujte prosím register@clinicaltrials.gov. Jakmile bude změna implementována na clinicaltrials.gov, bude automaticky aktualizována i na našem webu .
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