- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05442892
Use of Near Infrared Spectroscopy (NIRS) as a Biomarker of Delirium in Hospitalized Older Adults Doing Physical Exercise
Use of Near Infrared Spectroscopy (NIRS) as a Biomarker of Delirium in Hospitalized Older Adults Applied to a Multicomponent Program Based on Physical Exercise
Delirium is an important cause of morbimortality in older adults admitted to hospital. Multicomponent interventions targeting delirium risk factors, including physical exercise and mobilization, have been shown to reduce delirium incidence in 30-40% in acute care setting but little is known about its role in the evolution of delirium, once established.
This study is a randomized clinical trial conducted in the Acute Geriatric Unit of a tertiary public hospital in Navarra, Spain. Hospitalized delirious patients who meet the inclusion criteria will be randomly assigned to the intervention or control group. The intervention will consist of a multicomponent exercise training programme, which will be composed of supervised progressive resistance and strength exercise training during 4 consecutive days. The objective is to assess the effectiveness of this intervention in reducing the following primary outcomes: duration and severity of delirium, functional status, and length of stay.
This study will contribute to determine the usefulness of physical exercise in the management of delirium. It will be the first study to evaluate the impact of a multicomponent intervention based on physical exercise in the evolution of delirium.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study is a randomized clinical trial conducted in the Acute Geriatric Unit of Navarra University Hospital (Pamplona, Spain) with 40 beds allocated. Hospitalized patients who meet the inclusion criteria will be randomly assigned to the intervention or control group. After signing an informed consent form, the participants will be randomly assigned to either the intervention or control group. The data for both the intervention and the control group will be obtained at five different times: the initial visit during the acute hospitalization, at discharge and at one, three and twelve months after discharge through phone call and clinical history. Adverse events, including muscle pain, fatigue, falls and general aches will be recorded by the training staff.
Delirium will be assessed using the European Spanish version of the 4AT daily during hospitalization until discharge. This tool has been validated for the Spanish population and is a reliable instrument for delirium detection in older patients. Delirium severity will be evaluated with the Memorial Delirium Assessment Scale (MDAS) which is also validated in Spain.
Therefore, brain function will be examinated during delirium and the effects of an intra-hospital exercise program on the prefrontal cortex region and also on muscle function with the use of functional near-infrared spectroscopy imaging (NIRS). Regional cerebral oxygen saturation (Scto2) will be recorded using NIRS through the NIRO-200NX C10448 monitor (Hamamatsu, Japan) by placing one optode on the patient's forehead above the eyebrow (contralateral to the dominant hand) and the other optode on the vastus lateralis muscle. The measurements will be made with the patients resting in the sitting position after 60 seconds, doing trail making test part A and physical exercise at the beginning of the study and at the 4th day of the study, in both intervention and control group.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Nicolás Martínez Velilla
- Phone Number: 22287 34 848 42 22 22
- Email: nicolas.martinez.velilla@navarra.es
Study Locations
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Navarra
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Pamplona, Navarra, Spain, 31008
- Recruiting
- Hospital Universitario de Navarra (HUN)
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Contact:
- Nicolás Martínez-Velilla, PhD
- Phone Number: T +(34) 848 42 22 87
- Email: nicolas.martinez.velilla@navarra.es
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients > 75 years admitted to the Geriatric Service of the Navarra University Hospital for at least 4 days
Exclusion Criteria:
- Refusal to sign the informed consent by the patient/primary caregiver/legal representative or inability to obtain it
- Advanced dementia GDS 6-7
- Moderate functional impairment (Barthel Index less than 45)
- Life expectancy less than 3 months
- Facial dermal pathology
- Acute intracranial pathology (hemorrhages, cerebral infarcts)
- Recent acute myocardial infarction
- Unstable angina
- Severe heart valve insufficiency
- Arrhythmia or uncontrolled arterial hypertension
- Recent pulmonary thromboembolism
- Hemodynamic instability
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Physical exercise
The intervention will consist of a multicomponent exercise training programme, which will be composed of supervised progressive resistance exercise training, balance-training, strength-training and walking for 4 consecutive days.
During the training period, patients will be trained in 30 min sessions daily.
|
The supervised multicomponent exercise training programme will be comprised of upper and lower body strengthening exercises, tailored to the individuals functional capacity, using weight machines and aiming for 2-3 sets of 8-10 repetitions at an intensity of 30-60% of 1RM (Matrix, Johnson Health Tech, Ibérica, S.L. Torrejón de Arroz, Madrid, Spain) combined with balance and gait retraining exercises that progressed in difficulty and functional exercises such as rises from a chair.
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No Intervention: Without physical exercise
Participants randomly assigned to the usual care group will receive normal hospital care, which includes physical rehabilitation when needed
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in the 4 'A's Test (4AT scale Spanish version)
Time Frame: 12 months
|
The change in the 4 'A's Test (4AT scale) measured at baseline and follow-up.
The 4AT is designed to be used as a delirium detection tool in general clinical settings.The 4AT has 4 parameters: Alertness, Abbreviated mental test-4 (AMT4), Attention (months backwards test) and Acute change or fluctuating course.
The score range is 0-12, with scores of 4 or more suggesting possible delirium.
Scores of 1-3 suggest possible cognitive impairment.
|
12 months
|
Changes in the Memorial Delirium Assessment Scale (MDAS scale Spanish version).
Time Frame: 12 months
|
The change in Memorial Delirium Assessment Scale (MDAS scale Spanish version) measured at baseline and follow-up.
MDAS scale was designed to diagnose delirium as well as classify delirium severity.
The instrument reflects delirium diagnostic criteria from DSM.
It has 10 severity items rated 0 to 3 points for a maximum total score of 30 points, with higher scores representing more severe delirium.
|
12 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in functional capacity: Barthel Index (Spanish version)
Time Frame: 12 months
|
The change in Barthel Index measured at baseline and follow-up (a measure of Basic Activities of Daily Living).
This index ranges from 0 worst to 100 best.
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12 months
|
Change in cognitive status: Informant Questionnaire on Cognitive Decline in the Elderly-short form (IQCODE-short form Spanish version)
Time Frame: 12 months
|
The change in IQCODE-short form will be measured at baseline and follow-up.
This test has 16 questions.
Each question is scored from 1 (much improved) to 5 (much worse).
For the Short IQCODE, a cut-off point (average score) of 3.31/3.38
achieves a balance of sensitivity and specificity of cognitive impairment.
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12 months
|
Change in quality of life measured by the Spanish version of the EuroQol-5 Dimension (EQ-5D) questionnaire
Time Frame: 12 months
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The change in EuroQol-5 Dimension (EQ-5D) questionnaire measured at baseline and follow-up.
The EQ records the respondent´s overall current health on a vertical visual analogue scale, where the endpoints are labelled "The best health you can imagine" and "The worst health you can imagine".
Minimum 0 Maximum 100 Higher scores mean a better outcome
|
12 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Lucia Lozano Vicario, MD, Hospital Universitario de Navarra (Pamplona, Spain)
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
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
Additional Relevant MeSH Terms
Other Study ID Numbers
- DelNIRS
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- ICF
- CSR
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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