- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05893524
Uppsala-Dalarna Dementia and Gait Project (UDDGait™)
UDDGait™ is a multidisciplinary research project with the overreaching goal of providing an aid for early identification of cognitive impairment and risk of dementia development, thereby providing a basis for adequate symptom relieving and health promoting interventions.
A new concept is investigated for this purpose: a "dual-task-test", which implies the combination of a well-established mobility test (Timed Up-and-Go, TUG) with a simultaneous verbal task (i.e. TUG dual-task, TUGdt). This type of test has been judged as a potential aid for early identification of dementia disease. More research is needed to further examine the test's validity, reliability and predictive capacity.
The overall aim is to investigate if TUGdt is useful as an aid for prediction of dementia disease. To ensure the results, the aim is also to evaluate the test's measurement properties and to generate normative reference values of healthy control persons.
Study Overview
Status
Conditions
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Anna Cristina Åberg, PhD
- Phone Number: +4623778082
- Email: aab@du.se
Study Contact Backup
- Name: Vilmantas Giedraitis, PhD
- Phone Number: +46734697455
- Email: vgi@du.se
Study Locations
-
-
Dalarna County
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Falun, Dalarna County, Sweden, 79188
- Completed
- Dalarna University
-
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Uppsala County
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Uppsala, Uppsala County, Sweden, 751 22
- Recruiting
- Uppsala University
-
Contact:
- Anna Cristina Åberg, PhD
- Phone Number: +4623778082
- Email: Anna.Cristina.Aberg@pubcare.uu.se
-
Contact:
- Vilmantas Giedraitis, PhD
- Phone Number: +46734697455
- Email: Vilmantas.Giedraitis@pubcare.uu.se
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Sampling Method
Study Population
Patients have been consecutively included when undergoing memory assessment at two specialist clinics in Sweden during the study recruitment period (April 2015 to February 2017 at Uppsala University Hospital and June 2015 to June 2016 at Falu Hospital).
Age matched cognitively unimpaired community dwelling individuals without cognitive impairment were recruited through advertisements and flyers (May 2017 to March 2019 in Uppsala).
Description
Inclusion Criteria:
- Patients undergoing memory assessment at at Uppsala University Hospital, Sweden
- Patients undergoing memory assessment at at Falu Hospital, Sweden
- Cognitively unimpaired individuals with a Mini Mental State Examination (MMSE) score of > 26
Exclusion Criteria:
- Inability to walk three meters back and forth
- Inability to rise from a sitting position
- Indoor use of a walking aid
- Current or recent hospitalization (within the last 2 weeks)
- Need of an interpreter to communicate in Swedish
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Patients undergoing memory assessments
Patients undergoing memory assessments at two specialist memory clinics (Uppsala University Hospital in Uppsala and Falu Hospital in Falun).
This group includes patients with dementia, mild cognitive impairment and subjective cognitive impairment.
|
The TUG test is a well-established clinical test of one mobility sequence: rising from an armchair, walking straight ahead, passing a line marked on the floor, turning around, walking back, and sitting down again.
Two dual-task tests including TUG (TUGdt) were carried out: TUGdt naming animals and TUGdt months backwards.
The outcomes registered were: time scores for TUG single-task and both TUGdt tests, TUGdt costs (relative time difference between TUG single-task and TUGdt), number of different animals named, number of months recited in correct order, number of animals per 10 s, and number of months per 10 s.
The diagnostic procedure was part of the clinical routine for patients undergoing memory assessment and involved a geriatrician's careful evaluation of the patient's history and cognitive testing including Mini-Mental State Examination (MMSE), Clock Drawing Test, Verbal Fluency Test, and Trail Making Test A and B. In addition, all participants carried out short versions of the Geriatric Depression Scale and the General Motor Function Assessment Scale, as well as static balance according to the Bohannon Method, and hand grip strength using a dynamometer.
|
Cognitively unimpaired community dwelling people
Age matched cognitively unimpaired community dwelling people recruited via advertisements.
|
The TUG test is a well-established clinical test of one mobility sequence: rising from an armchair, walking straight ahead, passing a line marked on the floor, turning around, walking back, and sitting down again.
Two dual-task tests including TUG (TUGdt) were carried out: TUGdt naming animals and TUGdt months backwards.
The outcomes registered were: time scores for TUG single-task and both TUGdt tests, TUGdt costs (relative time difference between TUG single-task and TUGdt), number of different animals named, number of months recited in correct order, number of animals per 10 s, and number of months per 10 s.
The diagnostic procedure was part of the clinical routine for patients undergoing memory assessment and involved a geriatrician's careful evaluation of the patient's history and cognitive testing including Mini-Mental State Examination (MMSE), Clock Drawing Test, Verbal Fluency Test, and Trail Making Test A and B. In addition, all participants carried out short versions of the Geriatric Depression Scale and the General Motor Function Assessment Scale, as well as static balance according to the Bohannon Method, and hand grip strength using a dynamometer.
|
Cognitively unimpaired community dwelling people recruited for test-retest reliability analysis
Cognitively unimpaired individuals who agreed to participate in a retesting session.
|
The TUG test is a well-established clinical test of one mobility sequence: rising from an armchair, walking straight ahead, passing a line marked on the floor, turning around, walking back, and sitting down again.
Two dual-task tests including TUG (TUGdt) were carried out: TUGdt naming animals and TUGdt months backwards.
The outcomes registered were: time scores for TUG single-task and both TUGdt tests, TUGdt costs (relative time difference between TUG single-task and TUGdt), number of different animals named, number of months recited in correct order, number of animals per 10 s, and number of months per 10 s.
The diagnostic procedure was part of the clinical routine for patients undergoing memory assessment and involved a geriatrician's careful evaluation of the patient's history and cognitive testing including Mini-Mental State Examination (MMSE), Clock Drawing Test, Verbal Fluency Test, and Trail Making Test A and B. In addition, all participants carried out short versions of the Geriatric Depression Scale and the General Motor Function Assessment Scale, as well as static balance according to the Bohannon Method, and hand grip strength using a dynamometer.
|
Persons with cognitive impairment recruited for test-retest reliability analysis
Patients undergoing memory assessment at Uppsala University Hospital who agreed to participate in a retesting session and community dwelling older persons with self-reported subjective or mild cognitive impairment.
This group includes patients with dementia, mild cognitive impairment and subjective cognitive impairment.
|
The TUG test is a well-established clinical test of one mobility sequence: rising from an armchair, walking straight ahead, passing a line marked on the floor, turning around, walking back, and sitting down again.
Two dual-task tests including TUG (TUGdt) were carried out: TUGdt naming animals and TUGdt months backwards.
The outcomes registered were: time scores for TUG single-task and both TUGdt tests, TUGdt costs (relative time difference between TUG single-task and TUGdt), number of different animals named, number of months recited in correct order, number of animals per 10 s, and number of months per 10 s.
The diagnostic procedure was part of the clinical routine for patients undergoing memory assessment and involved a geriatrician's careful evaluation of the patient's history and cognitive testing including Mini-Mental State Examination (MMSE), Clock Drawing Test, Verbal Fluency Test, and Trail Making Test A and B. In addition, all participants carried out short versions of the Geriatric Depression Scale and the General Motor Function Assessment Scale, as well as static balance according to the Bohannon Method, and hand grip strength using a dynamometer.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Conversion to dementia
Time Frame: Upp to 10 years
|
Diagnostic information for follow-ups and eventual dates of death, all participants' medical records will be reviewed by an experienced geriatrician. Participants will be classified as having "converted" after receiving a dementia diagnosis, and as "not converted" when a diagnosis of Subjective or Mild cognitive impairment had been confirmed after baseline, or when a reversion to normal cognition had been stated. TUG and TUGdt parameters and composite indices will be examined for association with dementia incidence through Cox regression models with and without adjustment for possible confounding variables such as age, gender, and education. Possible occurrence of gender differences in associations between TUG parameters and dementia incidence will be examined. Optimal cut-off values for predictive TUG parameters (including composite indices) will be estimated. Also, sensitivity, specificity, c-statistics, and Youden's J index will be estimated. |
Upp to 10 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Level of cognitive functioning
Time Frame: Upp to 10 years
|
Similarly to TUG and TUGdt parameters, association between different cognitive test results and dementia incidence through Cox regression models with and without adjustment for possible confounding variables such as age, gender, and education will be examined.
|
Upp to 10 years
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Anna Cristina Åberg, PhD, Dalarna University
Publications and helpful links
General Publications
- Ahman HB, Giedraitis V, Cedervall Y, Lennhed B, Berglund L, McKee K, Kilander L, Rosendahl E, Ingelsson M, Aberg AC. Dual-Task Performance and Neurodegeneration: Correlations Between Timed Up-and-Go Dual-Task Test Outcomes and Alzheimer's Disease Cerebrospinal Fluid Biomarkers. J Alzheimers Dis. 2019;71(s1):S75-S83. doi: 10.3233/JAD-181265.
- Cedervall Y, Stenberg AM, Ahman HB, Giedraitis V, Tinmark F, Berglund L, Halvorsen K, Ingelsson M, Rosendahl E, Aberg AC. Timed Up-and-Go Dual-Task Testing in the Assessment of Cognitive Function: A Mixed Methods Observational Study for Development of the UDDGait Protocol. Int J Environ Res Public Health. 2020 Mar 5;17(5):1715. doi: 10.3390/ijerph17051715.
- Ahman HB, Cedervall Y, Kilander L, Giedraitis V, Berglund L, McKee KJ, Rosendahl E, Ingelsson M, Aberg AC. Dual-task tests discriminate between dementia, mild cognitive impairment, subjective cognitive impairment, and healthy controls - a cross-sectional cohort study. BMC Geriatr. 2020 Jul 29;20(1):258. doi: 10.1186/s12877-020-01645-1.
- B Ahman H, Berglund L, Cedervall Y, Kilander L, Giedraitis V, J McKee K, Ingelsson M, Rosendahl E, Aberg AC. Dual-Task Tests Predict Conversion to Dementia-A Prospective Memory-Clinic-Based Cohort Study. Int J Environ Res Public Health. 2020 Nov 3;17(21):8129. doi: 10.3390/ijerph17218129.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- HDA2021-00022
- PUBCARE2016_122 (Other Identifier: Uppsala University, Sweden)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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