Physical Activity Monitoring in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS)

Study Overview
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Brief Summary
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The investigators will assess the feasibility of activity monitoring armbands for continuous measurement of physical activity level in ME/CFS patients, during 6 months follow-up. The main purpose is to assess if continuous measurement of activity level may be incorporated in outcome measures in future clinical interventional trials.

Detailed Description
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The purpose is to assess feasibility of activity monitoring armbands for continuous measurement of physical activity level in patents with Myalgic Encephalopathy/ Chronic Fatigue Syndrome (ME/CFS), during 6 months follow-up. The investigators will assess which physical activity parameters that best seem to reflect the participant's own perception of activity level, such as mean number of steps per 24 hours. The investigators will assess the agreement between continuous activity measurements by activity armbands, and self-reported questionnaires for health-related quality of life (SF-36 ver.2) and for ME/CFS symptoms (DSQ-SF). The investigators will assess the agreement between activity monitoring by armbands, and previously validated activity monitoring bracelets for 5-7 consecutive days, at baseline, at 3 months and at 6 months follow-up.

Official Title
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A Pilot Study for Continuous Monitoring of Physical Activity Using Activity Armbands for 6 Months: Assessment of Feasibility and Comparison to Self-reported Questionnaires

Conditions
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Myalgic Encephalomyelitis (ME), Chronic Fatigue Syndrome (CFS)

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients wit ME/CFS according to Canadian Consensus Criteria (2003) ME/CFS disease duration at least 2 years Mild, Mild/moderate, Moderate, Moderate/Severe and Severe ME/CFS may be included Signed informed consent Exclusion Criteria: Patients with fatigue, who do not meet the diagnostic Canadian criteria (2003) for ME/CFS ME/CFS disease duration < 24 months Patients where the diagnostic workup uncovers other pathology as possible cause of symptoms Serious endogenous depression Lack of ability to complete the study including follow-up

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Feasibility of activity monitoring armband to assess physical activity in ME/CFS patients | Feasibility of activity monitoring armbands to assess level of physical activity in ME/CFS patients, with comparison of activity data to self-reported questionnaires for quality of life (SF-36 ver.2) and for ME/CFS symptoms (DSQ-SF) | 6 months | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Chronic Fatigue Syndrome, Myalgic Encephalomyelitis, ME/CFS, Physical activity, Activity armband