- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT03876314
Attività fisica, morbo di Alzheimer e cognizione relativa al genotipo APOE (PAAD-2)
L'effetto dell'attività fisica sulla cognizione relativa al genotipo APOE (PAAD-2)
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
Tipo di studio
Iscrizione (Effettivo)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
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North Carolina
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Greensboro, North Carolina, Stati Uniti, 27402
- University of North Carolina-Greensboro
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Descrizione
Criterio di inclusione:
- Storia familiare della malattia di Alzheimer, deterioramento cognitivo
- In grado di comunicare in inglese
- Attualmente non soddisfano le raccomandazioni per l'attività fisica (le raccomandazioni sono di esercitare 3 giorni a settimana per più di 30 minuti al giorno per più di 3 mesi)
- Disposto a essere randomizzato a entrambe le condizioni di studio
- Disposto a completare tutte le attività di studio per 1 anno
Criteri di esclusione:
- Soddisfare i criteri per il deterioramento cognitivo clinico
- Incapaci di svolgere attività fisica a causa di malattie cardiovascolari, metaboliche o renali note e sono sintomatici o dovuti a limitazioni ortopediche
- Anamnesi di malattie neurologiche o mediche confondenti, psichiatriche o attive gravi o funzionalmente disabilitanti o qualsiasi altra condizione che potrebbe limitare l'esercizio o rappresentare un pericolo per il paziente
- Uso corrente di farmaci per trattare i sintomi della malattia di Alzheimer, che influiscono negativamente sulla cognizione o che incidono sulla frequenza cardiaca
- Soddisfa i criteri per la depressione utilizzando la forma abbreviata del Center for Epidemiological Studies Depression Scale
- Viaggiare per un periodo prolungato (> 1 mese) durante il corso dello studio
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Scienza basilare
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Doppio
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
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Sperimentale: Condizione di attività fisica (PAC)
Ai soggetti verrà chiesto di partecipare a sessioni di esercizi virtuali 3 volte a settimana per 1 anno.
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I soggetti parteciperanno a sessioni di esercizi di gruppo virtuali 3 volte a settimana per 1 anno.
Ogni soggetto sarà incoraggiato a camminare a un'intensità moderata (frequenza cardiaca target (FC) = 40-59% di riserva FC) a seconda della frequenza cardiaca a riposo e dell'età.
I soggetti eseguiranno esercizi aerobici da soli e gli esercizi di resistenza saranno completati in sessioni di esercizi virtuali con un istruttore 1 ora/giorno per 3 giorni/settimana per 1 anno.
Durante le sessioni di allenamento, a questi partecipanti verrà chiesto di registrare le misure degli esercizi completati e potrebbe essere richiesto di fornire misure della frequenza cardiaca (valutata mediante palpazione per 20 secondi) e del tasso di sforzo percepito (RPE).
Verrà chiesto loro di inviare i registri degli esercizi che forniscono queste informazioni.
I dati dei registri degli esercizi e dei registri degli specialisti degli esercizi saranno esaminati per evidenza di progressione, raggiungimento costante di intensità moderata e rispetto alla durata prescritta delle componenti di allenamento aerobico e della forza.
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Nessun intervento: Controllo delle cure abituali (UCC)
I partecipanti al consueto controllo delle cure manterranno le loro normali pratiche sanitarie per 1 anno.
I partecipanti riceveranno una newsletter bisettimanale sulla salute e saranno contattati ogni due settimane per rispondere a qualsiasi domanda e informarsi sulla salute del partecipante.
L'attività fisica autodichiarata dei partecipanti sarà valutata mensilmente.
In questo modo, i partecipanti saranno contattati dallo staff ogni settimana.
I partecipanti al controllo delle cure abituali che completano tutte le attività correlate allo studio, inclusi pre, intermedio e post test, riceveranno un abbonamento YMCA a breve termine dopo il post test.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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Change in Performance on the Cognitive Domain of Executive Function as Measured With Stroop Interference Reaction Time (RT)
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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.
Lasso di tempo: 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.
Lasso di tempo: 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.
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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)
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Change in Brain Morphology (Whole Brain Volume)
Lasso di tempo: 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)
Lasso di tempo: 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)
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: Pre-Test and Post-Test (~12 months)
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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
Lasso di tempo: Pre-Test and Post-Test (~12 months)
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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, Posterior Cingulate Cortex
Lasso di tempo: Pre-Test and Post-Test (~12 months)
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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) Medial Prefrontal Cortex, Posterior Cingulate Cortex
Lasso di tempo: 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, Right Lateral Parietal
Lasso di tempo: 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
Lasso di tempo: 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)
|
Collaboratori e investigatori
Investigatori
- Investigatore principale: Jennifer Etnier, PhD, UNC Greensboro
Pubblicazioni e link utili
Pubblicazioni generali
- 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.
Collegamenti utili
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Completamento primario (Effettivo)
Completamento dello studio (Effettivo)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- 18-0228
- R01AG058919 (Sovvenzione/contratto NIH degli Stati Uniti)
Piano per i dati dei singoli partecipanti (IPD)
Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?
Descrizione del piano IPD
La documentazione dei dati e i dati resi anonimi saranno depositati per la condivisione in conformità con le leggi e i regolamenti applicabili. I dati saranno disponibili in uno stato anonimo non identificato e in un formato .csv formato. I dati verranno condivisi esportando i dati da RedCap in un file .csv file archiviato sotto il profilo istituzionale del ricercatore principale dello studio presso il repository istituzionale delle biblioteche universitarie della University of North Carolina Greensboro (UNCG) North Carolina Digital Online Collection of Knowledge and Scholarship (NC DOCKS).
I dati saranno condivisi anche attraverso il Global Alzheimer's Association Interactive Network (GAAIN), un sistema di dati federato progettato per favorire la condivisione dei dati e lo sviluppo di collaborazioni per i ricercatori interessati ai dati relativi all'Alzheimer. Gli scienziati interessati possono esplorare i metadati di PAAD-2 e di altri studi. Diventando un partner, una descrizione di PAAD-2 e un collegamento per contattare il ricercatore principale saranno resi disponibili su www.gaain.org.
Periodo di condivisione IPD
Criteri di accesso alla condivisione IPD
Tipo di informazioni di supporto alla condivisione IPD
- STUDIO_PROTOCOLLO
- LINFA
- ICF
- CODICE_ANALITICO
Informazioni su farmaci e dispositivi, documenti di studio
Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti
Studia un dispositivo regolamentato dalla FDA degli Stati Uniti
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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