Cvičení v perimenopauze pro zlepšení kognitivního zdraví (EPIC)
Silový trénink a kognitivní zdraví v perimenopauze
Perimenopause is now considered a possible risk factor for dementia and may contribute to the fact that 2/3 of those living with Alzheimer's disease are females. Indeed, research studies show that middle-aged females demonstrate significant declines in their thinking abilities and detrimental changes in their brains as they go through perimenopause. Thus, perimenopausal females need strategies to bolster their brain health.
The World Health Organization strongly recommends physical activity interventions to reduce the risk of decline in thinking abilities. However, whether exercise can improve thinking abilities and brain health in perimenopausal females has not been examined. Our research aims to address this important knowledge gap in female brain health.
We will study the effects of a 6-month resistance exercise training (e.g., lifting free weights, exercise with weight machine) program on thinking abilities in 50 physically inactive perimenopausal females, aged 40 to 55 years, who are experiencing difficulties with their thinking abilities. In addition to measuring thinking abilities, we will determine if exercise benefits muscle health, heart health, sleep quality, psychological well-being, menopausal symptoms, and quality of life. We will also explore how resistance exercise training improves thinking abilities as such information can lead to new discoveries and therapies for brain health in females.
Přehled studie
Postavení
Postavení
Podmínky
Podmínky
Intervence / Léčba
Intervence / Léčba
Detailní popis
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PURPOSE:
To determine if progressive resistance training (PRT) can improve cognitive outcomes compared to balance, flexibility, and tone (BAT) exercises in perimenopausal females aged 40-55 years with subjective cognitive complaints.
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HYPOTHESIS:
At the end of the intervention, PRT will result in an increase in words recalled during the RAVLT 20-minute delay vs no improve in BAT.
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JUSTIFICATION:
The menopause transition (MT) negatively impacts cognitive function and the brain. The majority of perimenopausal females experiences cognitive difficulties and have subjective cognitive complaints (SCCs). Verbal episodic memory and processing speed are most negatively impacted by the MT. Cognitive and brain changes during the MT can significantly impact career and financial wellbeing. The MT is thus a critical window to intervene for female brain health. Exercise can reduce dementia risk factors and promote cognitive health. No published randomized controlled trials have examined the effect of exercise on cognitive outcomes in perimenopausal females.
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OBJECTIVE:
To determine if 26 weeks of 2x/week progressive resistance training (PRT) can improve verbal episodic memory performance on the Rey Auditory Verbal Learning Test (RAVLT) compared with balance, flexibility, and tone exercises (BAT) for physically inactive perimenopausal females aged 40-55.
Optional Qualitative Component: To assess knowledge and experiences of perimenopause (pre- and post-intervention), expectations of exercise intervention (pre-intervention), and perceived benefits of exercise intervention (post-intervention).
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RESEARCH DESIGN:
A 26-week, assessor-blinded, two-arm, proof-of-concept trial with 50 physically inactive perimenopausal females, aged 40 to 55 years, with subjective cognitive complaints. Participants will be randomized 1:1 to PRT or BAT and measured at baseline, 13 weeks, and 26 weeks.
Typ studie
Typ studie
Zápis (Odhadovaný)
Zápis
Fáze
Fáze
- Nelze použít
Kontakty a umístění
Studijní kontakt
Studijní kontakt
- Jméno: Teresa Liu-Ambrose, PhD
- Telefonní číslo: 6046178047
- E-mail: teresa.ambrose@ubc.ca
Studijní místa
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British Columbia
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Vancouver, British Columbia, Kanada, V5Z 1M9
- Nábor
- University of British Columbia
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Kontakt:
- Teresa Liu-Ambrose, MHK
- Telefonní číslo: 69059 604-875-4111
- E-mail: teresa.ambrose@ubc.ca
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-
Kritéria účasti
Kritéria způsobilosti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Popis
Inclusion Criteria:
- Are biological females, as assigned at birth
- Are aged between 40 and 55 years
- Had at least 1 menstrual period in the last 10 months
- Are perimenopausal based on STRAW +10 Staging System, or answer "yes" to MQ6 questions of changes in periods, having hot flashes, or vaginal dryness, pain, or sexual concerns
- Have an intact uterus
- Have a Montreal Cognitive Assessment (MoCA) score >=26/30 for in-person or >=19/22 for telephone , indicating normal cognition
- Have subjective cognitive complaints defined as responding "yes" to "Do you feel like your memory or thinking is becoming worse?"
- Completed high school education
- Read and speak English with acceptable visual and auditory acuity
- Are able to safely engage in moderate-intensity PRT as indicated by the PAR-Q+; and
- Are able to provide informed consent.
Exclusion Criteria:
- Are engaged in regular PRT (i.e., 2x/week) in the prior three months
- Are diagnosed with cognitive impairment or dementia of any type
- Are at high risk for cardiac complications during exercise
- Have clinically important peripheral neuropathy or severe musculoskeletal or joint disease that impairs mobility
- Are taking medications that negatively affect cognitive function, such as anticholinergics, major tranquilizers, and anticonvulsants
- Have a BMI <15 or anorexia nervosa; g) had surgical menopause
- Had endometrial ablation that resulted in the loss of menstruation
- Have polycystic ovarian syndrome
- Currently undergoing chemo
- Are using estrogen-containing contraception in the last 12 months
- Had premature ovarian failure; or
- Are already enrolled in a drug or exercise trial
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Prevence
- Přidělení: Randomizované
- Intervenční model: Paralelní přiřazení
- Maskování: Trojnásobný
Počet zbraní
Zbraně a zásahy
Skupina účastníků / ArmSkupina účastníků / Arm |
Intervence / LéčbaIntervence / Léčba |
|---|---|
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Experimentální: Progressive Resistance Training (PRT)
Each PRT session will be 1-hr in duration and consists of a warm-up (10 mins), PRT (45 mins), and cool-down (5 mins). 2x/week and group-based. |
The sessions will occur in the Exercise Prescription Suite of the Centre for Aging SMART at VCH; this suite is a fully-equipped gym that includes treadmills, bikes, pneumatic resistance training equipment, and free weights. The training stimulus will initially be at 3 sets of 10-15 repetitions with proper form. At week 4, training intensity will progress from 60-82% of predicted 1 repetition maximum (RM) using the 8RM method. Every 4 weeks the 8RM test will be repeated.
Ostatní jména:
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Aktivní komparátor: Balance, Flexibility, and Tone Exercises (BAT)
Each BAT session will be 1-hr in duration. 2x/week and group-based. |
Each BAT session will be 1-hr in duration and consist of Pilates mat exercises, Yoga-based poses and breathing, Kegel exercises, stretches, and relaxation techniques (e.g., visualization).
Ostatní jména:
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Co je měření studie?
Primární výstupní opatření
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Rey Auditory Verbal Learning Test (RAVLT)
Časové okno: Baseline, 13 weeks, 26 weeks
|
The RAVLT is a valid, reliable, and widely-used instrument of verbal episodic memory and learning, with normative values. |
Baseline, 13 weeks, 26 weeks
|
Sekundární výstupní opatření
Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
NIH TB Cognitive Battery - Flanker Test
Časové okno: Baseline, 13 weeks, 26 weeks
|
A measure of executive functions |
Baseline, 13 weeks, 26 weeks
|
|
NIH TB Cognitive Battery - Dimensional Change Card Sort Test
Časové okno: Baseline, 13 weeks, 26 weeks
|
A measure of executive functions |
Baseline, 13 weeks, 26 weeks
|
|
NIH TB Cognitive Battery - Picture Sequence Memory Test
Časové okno: Baseline, 13 weeks, 26 weeks
|
A measure of visual episodic memory |
Baseline, 13 weeks, 26 weeks
|
|
NIH TB Cognitive Battery - List Sorting Test
Časové okno: Baseline, 13 weeks, 26 weeks
|
A measure of working memory |
Baseline, 13 weeks, 26 weeks
|
|
NIH TB Cognitive Battery - Pattern Comparison Processing Speed Test
Časové okno: Baseline, 13 weeks, 26 weeks
|
A measure of processing speed |
Baseline, 13 weeks, 26 weeks
|
|
Everyday Memory Questionnaire
Časové okno: Baseline, 13 weeks, 26 weeks
|
A subjective measure of memory failure in everyday life |
Baseline, 13 weeks, 26 weeks
|
|
Muscle strength of quads
Časové okno: Baseline, 13 weeks, 26 weeks
|
Muscle strength measure by isokinetic dynamometer |
Baseline, 13 weeks, 26 weeks
|
|
Peripheral QCT of the tibia
Časové okno: Baseline, 13 weeks, 26 weeks
|
A measure of bone and muscle health |
Baseline, 13 weeks, 26 weeks
|
|
Blood pressure
Časové okno: Baseline, 13 weeks, 26 weeks
|
Blood pressure - systolic and diastolic |
Baseline, 13 weeks, 26 weeks
|
|
Lipid panel
Časové okno: Baseline, 26 weeks
|
Lipid levels |
Baseline, 26 weeks
|
|
Hemoglobin A1-C
Časové okno: Baseline, 26 weeks
|
Average blood sugar levels |
Baseline, 26 weeks
|
|
C-reactive protein
Časové okno: Baseline, 26 weeks
|
Measure of inflammation |
Baseline, 26 weeks
|
|
Health resource utilization
Časové okno: Baseline, 13 weeks, 26 weeks
|
Cost of health resource used |
Baseline, 13 weeks, 26 weeks
|
|
Carotid-femoral pulse wave velocity
Časové okno: Baseline, 13 weeks, 26 weeks
|
Arterial stiffness |
Baseline, 13 weeks, 26 weeks
|
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Pittsburgh Sleep Quality Index
Časové okno: Baseline, 13 weeks, 26 weeks
|
Subjective sleep quality |
Baseline, 13 weeks, 26 weeks
|
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Actigraph
Časové okno: Baseline, 13 weeks, 26 weeks
|
Using actigraphy data, quantify sleep quality (e.g., duration, efficiency, fragmentation). |
Baseline, 13 weeks, 26 weeks
|
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Actigraph
Časové okno: Baseline, 13 weeks, 26 weeks
|
Using actigraphy data, quantify physical activity (e.g., intensity and minutes) |
Baseline, 13 weeks, 26 weeks
|
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Actigraph
Časové okno: Baseline, 13 weeks, 26 weeks
|
Using actigraphy data, quantify sedentary behaviour (minutes) |
Baseline, 13 weeks, 26 weeks
|
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Fatigue Severity Scale
Časové okno: Baseline, 13 weeks, 26 weeks
|
Subjective fatigue |
Baseline, 13 weeks, 26 weeks
|
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PHQ-9
Časové okno: Baseline, 13 weeks, 26 weeks
|
Depression severity |
Baseline, 13 weeks, 26 weeks
|
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GAD-7
Časové okno: Baseline, 13 weeks, 26 weeks
|
Generalized anxiety disorder |
Baseline, 13 weeks, 26 weeks
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Menopause Rating Scale
Časové okno: Baseline, 13 weeks, 26 weeks
|
Menopause symptoms |
Baseline, 13 weeks, 26 weeks
|
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EuroQol-5 Domain-5 Level
Časové okno: Baseline, 13 weeks, 26 weeks
|
Quality of life |
Baseline, 13 weeks, 26 weeks
|
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International Physical Activity Questionnaire
Časové okno: Every 30 days over 26 weeks
|
Physical activity |
Every 30 days over 26 weeks
|
|
DEXA
Časové okno: Baseline, 13 weeks, 26 weeks
|
Lean mass |
Baseline, 13 weeks, 26 weeks
|
|
DEXA
Časové okno: Baseline, 13 weeks, 26 weeks
|
Body fat |
Baseline, 13 weeks, 26 weeks
|
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DEXA
Časové okno: Baseline, 13 weeks, 26 weeks
|
Appendicular Skeletal Muscle Mass Index (ASMI); a measure of sarcopenia |
Baseline, 13 weeks, 26 weeks
|
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Mediterranean-DASH Diet Intervention for Neurodegenerative Delay (MIND) Diet score
Časové okno: Baseline, 13 weeks, 26 weeks
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Diet |
Baseline, 13 weeks, 26 weeks
|
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Processing Speed by smartphone
Časové okno: Baseline, 13 weeks, 26 weeks
|
Processing Speed |
Baseline, 13 weeks, 26 weeks
|
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Memory by smartphone
Časové okno: Baseline, 13 weeks, 26 weeks
|
Memory |
Baseline, 13 weeks, 26 weeks
|
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Productivity Questionnaire
Časové okno: Baseline, 13 weeks, 26 weeks
|
Measure of work productivity |
Baseline, 13 weeks, 26 weeks
|
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Brain-Derived Neurotrophic Factor
Časové okno: Baseline, 26 weeks
|
Neurotrophic Factor |
Baseline, 26 weeks
|
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IGF-1
Časové okno: Baseline, 26 weeks
|
Neurotrophic Factor |
Baseline, 26 weeks
|
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Optional Qualitative Interviews
Časové okno: Baseline, 26 weeks
|
The interviews will involve questions about participants' experiences and impact of perimenopause in their daily lives, their expectations of an exercise intervention, and perceived benefits of group-based exercise training |
Baseline, 26 weeks
|
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Optional Measure: Muscle Health
Časové okno: Baseline, 26 weeks
|
Myosteatosis measured by Upright Open Magnetic Resonance Imaging (UO-MRI) of the mid-thigh and lower leg (dominant) |
Baseline, 26 weeks
|
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Optional Measure: Cerebral Oxygenation
Časové okno: Baseline, 13 weeks, 26 weeks
|
Measured by the functional near-infrared spectroscopy (fNIRS) |
Baseline, 13 weeks, 26 weeks
|
Spolupracovníci a vyšetřovatelé
Sponzor
Sponzor
Spolupracovníci
Spolupracovníci
Vyšetřovatelé
Vyšetřovatelé
- Vrchní vyšetřovatel: Teresa Liu-Ambrose, PhD, University of British Columbia
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Začátek studia
Primární dokončení (Odhadovaný)
Primární dokončení
Dokončení studie (Odhadovaný)
Dokončení studie
Termíny zápisu do studia
První předloženo
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
První zveřejněno
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Poslední zveřejněná aktualizace
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
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