CCT for Diabetic Elderly Veterans

2015-03-01 23:56:30 | BioPortfolio


Computerized cognitive training (CCT) is an intervention has improved cognitive functioning in the elderly with and without cognitive impairment. We will study the effect of a CCT program over an active control, "classic" computerized games. The outcomes will be memory and executive functions/attention, diabetes elf-management and adherence to medications, and glycemic and blood pressure control. Non-demented elderly veterans with diabetes mellitus, who are at high risk for cognitive impairment, will be from the James J. Peters, Bronx, NY and Ann Arbor, MI VAMCs. This novel potential service fits the portfolio of the Quality Enhancement Research Initiative for Diabetes Mellitus (QUERI-DM) for which the Ann Arbor VAMC is a primary center. If successful, the VA National Center for Prevention and MyHeatheVet will collaborate in disseminating results to encourage implementation throughout the VA.


Project Background: Diabetes mellitus (DM) has consistently been associated with increased risk for cognitive decline, mild cognitive impairment, and dementia in the elderly. Even minor cognitive impairments in nondemented individuals dramatically affect disease self-management. This, in turn, is associated with poor glycemic and blood pressure control in diabetes, which by themselves increase the risk of dementia, provoking a reinforcing cycle of disease. Thus, it is imperative to find interventions to delay or prevent cognitive compromise in diabetic patients, that can be relatively easily and rapidly implemented, and that are not cost prohibitive. This is especially true in the VA, in view of the high incidence of both diabetes and dementia in our growing population of elderly Veterans.

Epidemiologic evidence suggests modifiable life-style factors, including cognitive activity, may prevent or delay the onset of cognitive decline. Computerized cognitive training (CCT) is an intervention that has shown promising results in the improvement of cognitive functioning, more consistently in non-demented elderly, with additional benefits from booster training sessions. To date, studies of CCT have typically only examined cognitive outcomes, and only shortly after the intervention. The proposed CCT program, Personal Coach from Cognifit, is designed to improve cognition of elderly persons by targeting their weak cognitive functions, using a personally tailored training plan. The proposed study will provide the first evaluation of the effects of CCT on DM self-management behavior and clinical outcomes, in addition to cognition.

Project Objectives: Aim 1A: To determine whether the CCT, relative to the active control games program, improves cognition (memory and executive functions/attention), DM-related behavior (DM self-management and medication adherence), and clinical outcomes (glycemic and blood pressure control), 6 and 12 months after the intervention. Aim 1B: To demonstrate efficacy by improvement in behavioral outcomes (DM self-management and medication adherence) 6 months after the intervention. Aim 2: To document the effects of CCT on the successive changes in memory and executive functions/attention, DM self-management and medication adherence, and glycemic and blood pressure control. Aim 3: To explore the impact of demographic (age, education, ethnicity, site) and health (ADL/IADL, health literacy, depression, dementia family history, lifestyle factors) characteristics, on the intervention effects.

Project Methods: Non-demented DM elderly from the James J. Peters (Bronx, NY) and Ann Arbor (MI) VAMCs will be randomized to CCT or games intervention and perform the respective program 3 times/week, for 20 minutes, during eight weeks. Four months after the intervention, subjects will receive a 1-week booster training. Subjects will be assessed at baseline; and immediately, 6 months, and 12 months after the intervention. At each time point, assessments will be cognitive function, DM self-management, and blood pressure; blood will be drawn for HbA1c measurement. VA records will be used to monitor medication adherence. Longitudinal mixed model analyses will assess the effects of the intervention on change in outcomes over time. Path analyses will evaluate the inter-relationships among changes in cognition, DM self-management, and clinical outcomes for each intervention at 6 and 12 months.

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Prevention


Diabetes Mellitus, Type 2


computerized cognitive training, control games


VA Ann Arbor Healthcare System, Ann Arbor, MI
Ann Arbor
United States


Not yet recruiting


Department of Veterans Affairs

Results (where available)

View Results


Published on BioPortfolio: 2015-03-01T23:56:30-0500

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Medical and Biotech [MESH] Definitions

A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.

The time period before the development of symptomatic diabetes. For example, certain risk factors can be observed in subjects who subsequently develop INSULIN RESISTANCE as in type 2 diabetes (DIABETES MELLITUS, TYPE 2).

A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1).

A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence.

A type of diabetes mellitus that is characterized by severe INSULIN RESISTANCE and LIPODYSTROPHY. The latter may be generalized, partial, acquired, or congenital (LIPODYSTROPHY, CONGENITAL GENERALIZED).

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