- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01311492
Exercise Trial for Alzheimer's Disease (EXTRA)
Exercise Trial for Alzheimer's Disease (EXTRA)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Alzheimer's disease (AD) occurs in 1 in 7 individuals over 65, and 1 in 2 individuals over 85. While the progression of AD is extremely variable, it is generally established that AD subjects will move from having compromised function in socail and work settings, to requiring institutionalization and/or intensive management within 10 years of initial clinical diagnosis. A randomized controlled piot trial is needed to provide information regarding exercies effects on individuals with mild to moderate Alzheimer's disease.
Exercise Trial for Alzheimer's Disease (EXTRA) is a pilot randomized controlled trial designed to compare a moderate-intesity physical activity program to a healthy lifestyle health education program in 30 older adults with mild to moderate Alzheimer's Disease. These individuals will be followed for 1 year.
This trial will provide pilot evidence regarding whether physical activity is effective and practical for individuals with AD. The effects of an exercise intervention on halting, slowing, or reversing the cognitive effects of AD will be assessed with pilot data and potentially provide support for a larger trial in the future.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Louisiana
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Baton Rouge, Louisiana, United States, 70808
- Pennington Biomedical Research Center
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Baton Rouge, Louisiana, United States, 70806
- Programs of All-Inclusive Care for the Elderly (PACE)
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 65 years and older
- must be planning to reside in the area for 1 year
- summary scor of greater than or equal to 3 on the Short Physical Performance Battery (SPPB)
- have mild to moderate AD defined by a score of 12-24 on the Mini-Mental Status Examination (MMSE). Diagnosis of probable AD from site physician utilizing the following criteria: Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition (DSM-IV) criteria for Dementia of Alzheimer's Type, National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer's Disease and Related Disorders Association (NINCDS/ADRDA) Criteria for Probable Alzheimer's Disease, and Hachinski Ischemic Score is less than or equal to 4
- sedentary lifestyle which is operationally defined as spending less than 20 minutes a week in the past month getting regular physical activity.
- must be willing to give informed consent, be willing to be randomized to either physical activity or health lifestyle intervention, and to follow the protocol for the group to which they have been assigned
Exclusion Criteria:
- unable or unwilling to give informed consent or accept randomization in either study group
- current diagnosis of schizophreniz, other psychotic disorders, or bipolar disorder
- current consumption of more than 14 alcoholic drinks per week
- plans to relocate to out of the study area within the next year or plans to be out of the study area for more than 6 weeks in the next year
- score of greater than 3 on SPPB
- another member of the household is a participant in they study
- residence too far from the intervention site
- difficulty in communication with study personnel due to speech or hearing problems
- MMSE less than 12 or greater than 24
- currently enrolled in another randomized trial involving lifestyle or phamaceutical interventions
- other medical, psychiatric, or behavioral factors that in the judgement of the Principal Investigator may interfere with study participation or the ability to follow the intervention protocol
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Healthy Lifestyle Program
The purpose of the healthy lifestyle group is to control for general levels of staff and participant time and attention, in addition to general secular and seasonal effects that could influence the outcomes of interest.
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The healthy lifestyle program includes upper body stretching and educational workshops.
The purpose of this group is to control for general levels of staff and participant time and attention, in addition to general secular and seasonal effects that could influence the outcomes of interest.
The rational for this "placebo exercise" activity is that it helps foster adherence to this arm of the study and increases the perceived benefit of the healthy lifestyle program to the participants without directly affecting the study outcomes.
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Active Comparator: Physical Activity Intervention
The physical activity program includes aerobic, strenth, flexibility and balance training.
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The physical activity intervention consists of a general weekly physical activity goal of 150 minutes.
This is consistent with the public health message from the Surgeon General's report that moderate physical activity should be performed for 30 minutes on most if not all days of the week (150-210 total minutes).
This goal is approached in a progressive manner over the course of the trial.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Effect of exercise on cognitive decline
Time Frame: 6 months
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The primary hypothesis is that exercise will decrease the congnitive decline in activities of daily living, in the subjects with Alzheimer's Disease.
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6 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Measuring the effects of exercise on depression, metabolic indices, and changes in overall function.
Time Frame: 6 months
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The secondary hypothesis is that exercise will decrease the level of depression, improve multiple metabolic indices, and improve function in subjects with Alzheimer's Disease.
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6 months
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Evidence based feasibility for conducting exercise interventions in the Alzheimer's Disease population.
Time Frame: 6 months
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The third hypothesis is that well controlled exercise interventions can be successfully implemented in subjects with Alzheimer's Disease.
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6 months
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Collaborators and Investigators
Investigators
- Principal Investigator: Jeffrey N. Keller, PhD, Pennington Biomedical Research Center
- Study Director: Robert M. Brouilette, MS, Pennington Biomedical Research Center
- Study Director: Valerie H. Myers, PhD, Pennington Biomedical Research Center
- Study Director: Susan Nelson, MD, Programs of All-Inclusive Care for the Elderly (P.A.C.E.)
Publications and helpful links
General Publications
- Guralnik JM, Ferrucci L, Pieper CF, Leveille SG, Markides KS, Ostir GV, Studenski S, Berkman LF, Wallace RB. Lower extremity function and subsequent disability: consistency across studies, predictive models, and value of gait speed alone compared with the short physical performance battery. J Gerontol A Biol Sci Med Sci. 2000 Apr;55(4):M221-31. doi: 10.1093/gerona/55.4.m221.
- Guralnik JM, Simonsick EM, Ferrucci L, Glynn RJ, Berkman LF, Blazer DG, Scherr PA, Wallace RB. A short physical performance battery assessing lower extremity function: association with self-reported disability and prediction of mortality and nursing home admission. J Gerontol. 1994 Mar;49(2):M85-94. doi: 10.1093/geronj/49.2.m85.
- Guralnik JM, Ferrucci L, Simonsick EM, Salive ME, Wallace RB. Lower-extremity function in persons over the age of 70 years as a predictor of subsequent disability. N Engl J Med. 1995 Mar 2;332(9):556-61. doi: 10.1056/NEJM199503023320902.
- American College of Sports Medicine Position Stand. Exercise and physical activity for older adults. Med Sci Sports Exerc. 1998 Jun;30(6):992-1008.
- Guralnik JM, Seeman TE, Tinetti ME, Nevitt MC, Berkman LF. Validation and use of performance measures of functioning in a non-disabled older population: MacArthur studies of successful aging. Aging (Milano). 1994 Dec;6(6):410-9. doi: 10.1007/BF03324272.
- Fletcher GF, Balady GJ, Amsterdam EA, Chaitman B, Eckel R, Fleg J, Froelicher VF, Leon AS, Pina IL, Rodney R, Simons-Morton DA, Williams MA, Bazzarre T. Exercise standards for testing and training: a statement for healthcare professionals from the American Heart Association. Circulation. 2001 Oct 2;104(14):1694-740. doi: 10.1161/hc3901.095960. No abstract available.
- Ettinger WH Jr, Burns R, Messier SP, Applegate W, Rejeski WJ, Morgan T, Shumaker S, Berry MJ, O'Toole M, Monu J, Craven T. A randomized trial comparing aerobic exercise and resistance exercise with a health education program in older adults with knee osteoarthritis. The Fitness Arthritis and Seniors Trial (FAST). JAMA. 1997 Jan 1;277(1):25-31.
- Bassett DR Jr, Ainsworth BE, Swartz AM, Strath SJ, O'Brien WL, King GA. Validity of four motion sensors in measuring moderate intensity physical activity. Med Sci Sports Exerc. 2000 Sep;32(9 Suppl):S471-80. doi: 10.1097/00005768-200009001-00006.
- Ferrucci L, Penninx BW, Leveille SG, Corti MC, Pahor M, Wallace R, Harris TB, Havlik RJ, Guralnik JM. Characteristics of nondisabled older persons who perform poorly in objective tests of lower extremity function. J Am Geriatr Soc. 2000 Sep;48(9):1102-10. doi: 10.1111/j.1532-5415.2000.tb04787.x.
- Gordon NF, Kohl HW 3rd, Pollock ML, Vaandrager H, Gibbons LW, Blair SN. Cardiovascular safety of maximal strength testing in healthy adults. Am J Cardiol. 1995 Oct 15;76(11):851-3. doi: 10.1016/s0002-9149(99)80245-8. No abstract available.
- Guralnik JM, Ferrucci L, Penninx BW, Kasper JD, Leveille SG, Bandeen-Roche K, Fried LP. New and worsening conditions and change in physical and cognitive performance during weekly evaluations over 6 months: the Women's Health and Aging Study. J Gerontol A Biol Sci Med Sci. 1999 Aug;54(8):M410-22. doi: 10.1093/gerona/54.8.m410.
- Hollenberg M, Ngo LH, Turner D, Tager IB. Treadmill exercise testing in an epidemiologic study of elderly subjects. J Gerontol A Biol Sci Med Sci. 1998 Jul;53(4):B259-67. doi: 10.1093/gerona/53a.4.b259.
- King AC, Oman RF, Brassington GS, Bliwise DL, Haskell WL. Moderate-intensity exercise and self-rated quality of sleep in older adults. A randomized controlled trial. JAMA. 1997 Jan 1;277(1):32-7.
- King AC, Rejeski WJ, Buchner DM. Physical activity interventions targeting older adults. A critical review and recommendations. Am J Prev Med. 1998 Nov;15(4):316-33. doi: 10.1016/s0749-3797(98)00085-3.
- Marcus BH, Simkin LR. The transtheoretical model: applications to exercise behavior. Med Sci Sports Exerc. 1994 Nov;26(11):1400-4.
- Penninx BW, Ferrucci L, Leveille SG, Rantanen T, Pahor M, Guralnik JM. Lower extremity performance in nondisabled older persons as a predictor of subsequent hospitalization. J Gerontol A Biol Sci Med Sci. 2000 Nov;55(11):M691-7. doi: 10.1093/gerona/55.11.m691.
- Rejeski WJ, Martin KA, Miller ME, Ettinger WH Jr, Rapp S. Perceived importance and satisfaction with physical function in patients with knee osteoarthritis. Ann Behav Med. 1998 Spring;20(2):141-8. doi: 10.1007/BF02884460.
- Welk GJ, Differding JA, Thompson RW, Blair SN, Dziura J, Hart P. The utility of the Digi-walker step counter to assess daily physical activity patterns. Med Sci Sports Exerc. 2000 Sep;32(9 Suppl):S481-8. doi: 10.1097/00005768-200009001-00007.
- Hollman JH, Childs KB, McNeil ML, Mueller AC, Quilter CM, Youdas JW. Number of strides required for reliable measurements of pace, rhythm and variability parameters of gait during normal and dual task walking in older individuals. Gait Posture. 2010 May;32(1):23-8. doi: 10.1016/j.gaitpost.2010.02.017. Epub 2010 Apr 2.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PBRC 10035
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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