5-Cog Battery for Detecting Cognitive Impairment and Dementia

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

1201 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-05-28

Study Completion Date

2023-03-15

Brief Summary

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Despite the availability of numerous cognitive assessment tools, cognitive impairment related to dementia is frequently under-diagnosed in primary care settings. The investigators have developed a 5-minute cognitive screen (5-Cog) coupled with a decision tree to overcome the technical, cultural and logistic barriers of current cognitive screens to improve dementia care in primary care patients with cognitive concerns.

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Detailed Description

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Despite the availability of numerous cognitive assessment tools, cognitive impairment related to dementia is frequently under-diagnosed in primary care settings, and is a more prevalent problem among older African-Americans and Hispanics than among older whites. Missed detection delays treatment of reversible conditions as well as provision of support services and critical planning. To overcome the technical, cultural and logistic barriers of current cognitive screens and dementia care in primary care settings the investigators have developed a 5-minute cognitive screen (5-Cog) coupled with a decision tree to identify persons at high risk of developing dementia in multi-ethnic primary care populations.

The 5-Cog includes the Picture based Memory Impairment Screen (PMIS), Motoric Cognitive Risk syndrome (MCR), and a brief non-memory picture based test (Symbol Match). The cognitive assessment will sort patients with 'cognitive impairment' from those with 'no cognitive impairment'. It is coupled with a decision tree to guide clinicians through the follow up based on results of the 5-Cog.

The primary objective is to test the ability of the 5-Cog and decision tree paradigm to improve dementia care in primary care patients with cognitive concerns.

The investigators propose a single-blind, randomized clinical trial (RCT) in 1,200 older primary care patients with cognitive concerns who will be randomized to receive the 5-Cog (intervention group) or a 5-minute health literacy and grip assessment (active control group). Non-physicians will administer the intervention and control assessments in primary care sites and will provide results for both arms to the treating physician with a decision tree follow up guide based on the results of the assessments.

Conditions

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Dementia Cognitive Impairment Mild Cognitive Impairment Neurocognitive Disorders

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

SCREENING

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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5-Cog

The 5-Cog coupled with a decision tree is a simple, 5-minute procedure that will identify older persons with cognitive impairment in primary care settings, and flag them for further evaluation. The 5-Cog includes the Picture Memory Impairment Screen (PMIS), Motoric Cognitive Risk syndrome (MCR), and the Symbol Match test. The 5-Cog will be given after randomization and before the patients sees the physician. The 5-Cog will sort patients with 'cognitive impairment' from those with 'no cognitive impairment'. After completing the 5-Cog, the non-physician tester will send a message through the Electronic medical record (EMR) system to provide the physician with the 5-Cog results and guide the them through the follow-up based on the results.

Group Type EXPERIMENTAL

5-Cog

Intervention Type OTHER

The 5-Cog is a 5 minute cognitive screen which will identify patients with 'cognitive impairment' from those with 'no cognitive impairment'.

Health Literacy & Grip Assessment

The 5 minute assessment includes the Short Assessment of Health Literacy (SAHL) and a grip assessment measured using a handgrip dynamometer. After completing the SAHL and grip assessment, the non-physician tester will send a message through the EMR to provide the physician with the results from the assessments and guide the them through the follow-up based on the results.

Group Type ACTIVE_COMPARATOR

Health Literacy & Grip Assessment

Intervention Type OTHER

The health literacy and grip assessment will take approximately 5 minutes, and will test the patient's comprehension and pronunciation of health-related terms as well as strength in their dominant hand. The screen will sort out patients with 'low health literacy' and 'frail (low grip strength)' from those with normal health literacy and normal grip strength.

Interventions

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5-Cog

The 5-Cog is a 5 minute cognitive screen which will identify patients with 'cognitive impairment' from those with 'no cognitive impairment'.

Intervention Type OTHER

Health Literacy & Grip Assessment

The health literacy and grip assessment will take approximately 5 minutes, and will test the patient's comprehension and pronunciation of health-related terms as well as strength in their dominant hand. The screen will sort out patients with 'low health literacy' and 'frail (low grip strength)' from those with normal health literacy and normal grip strength.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. Age 65 and older.
2. Presence of cognitive or memory concerns expressed by patient, caregiver, health care provider or other source who knows the patient.
3. Registered as patient at Montefiore Medical Center and have a primary care doctor appointment that day.
4. Able to hear and see well enough to complete intervention or control assessments.
5. English or Spanish speaking.

Exclusion Criteria

1. Prior diagnosis of dementia or MCI as ascertained by ICD-10 codes or the documentation of prescription for anti-dementia medications in EMR. Patients with a diagnosis containing any of the following terms will be excluded:

1. "Dementia"
2. "Mild Cognitive Impairment"
3. "Alzheimer's Disease"
4. "Creutzfeldt-Jakob Disease"
5. "Major Neurocognitive Disorder"
6. "Minor Neurocognitive Disorder"

Patients with any of the following medications documented in their EMR will be excluded (generic = brand):
1. Donepezil = Aricept
2. Memantine = Namenda
3. Rivastigmine = Exelon
4. Galantamine = Razadyne
5. Donepezil and Memantine = Namzaric
2. Adults who are permanent residents of a nursing facility.
3. Patients who do not speak English or Spanish.
4. Patients who are not seeing a primary care physician at the clinic that day.
5. Patients who are blind or deaf or cannot hear loud voice even with hearing aids.

Minimum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes