About this trial
The overall objective is to investigate the efficacy of targeted nutrient supplementation on daily physical activity level as well as generic health status in patients with COPD. Additionally the investigators aim to investigate the relative effect of targeted nutrient supplementation on the recovery after hospitalization for a COPD exacerbation. The secondary objective is to investigate the effect of targeted nutrient supplementation on mental health, physical performance, blood markers, patient related outcomes and gut health. Additionally, a secondary objective is to compare the gut microbiome composition of patients with COPD compared to healthy controls.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
COPD patients with moderate to very severe disease stage according to GOLD criteria (i.e. GOLD stage II-IV);
Medically stable.
Disqualifiers
Age <18 years;
Allergy or intolerance to components of the study product;
Not willing or not able to quit vitamin D or fatty acid supplement intake;
Investigator's uncertainty about the willingness or ability of the patient to comply with the protocol requirements (e.g. leg amputation) or patients suffering from other acute or unstable chronic diseases that will compromise the study outcome (e.g. active cancer requiring treatment);
Trial design
Parallel
Treatments tested in this trial
Targeted nutrient supplementation (Long-drink)
Dietary supplementOnce daily for at least 12 months
Placebo supplement
Dietary supplementOnce daily for at least 12 months
Counselling
BehavioralCounselling on healthy lifestyle (in particular physical activity, smoking cessation) and weight management by motivational interviewing
Treatment groups
Trial outcomes
Primary outcomes
Change in physical activity level assessed by measuring step count with accelerometry
Subjects will wear an activPAL accelerometer for 1 week to assess physical activity.
Change in generic health status measured by EuroQol-5 dimensions (EQ-5D)
The EQ-5D is a generic classification system used to characterize current health states of patients. It consists of 5 domains (mobility; self-care; usual activity; pain/discomfort; anxiety/depression) and a visual analogue scale (EQ-VAS). The domains have a scale from 1-3 and the VAS-scale from 0-100 in which higher values represent a better outcome.
Secondary outcomes
Change in cognitive function measured by the Neuropsychological test automated battery (CANTAB)
The investigators will use the Motor Screening Task, Reaction Time Task, Paired Associates Learning, Delayed Matching-to-Sample, Spatial Working Memory and Stop Signal Task. The higher the score on these tasks, the better the cognitive function.
Change in Depression Anxiety Stress Scale 21 (DASS-21)
The DASS-21 measures 3 related states of depression, anxiety and stress. The DASS-21 consists of 21 negative emotional symptoms and subjects will be asked to extent to which have experienced each symptom over the past week, on a 4-point severity/frequency scale. The total score will range from 0-66 in which a higher score means more susceptibility to depression.
Change in Hospital and Anxiety Scale (HADS)
The HADS will allow the investigators to measure domain-specific quality of life. This is a 14-item instrument designed to detect the presence and severity of mild degrees of mood disorder, anxiety and depression in hospital and community setting and outside. Per scale (anxiety and depression) a maximum of 21 points can be scored, in which a higher score means worse outcome.
Change in Cohen's Perceived Stress Scale (PSS)
The PSS is a measure of the degree to which situations in one's life are appraised as stressful. Individual scores on the PSS can range from 0 to 40 with higher scores indicating higher perceived stress.
Other outcomes
Change in forced expiratory volume in 1 second
Measured by spirometry within 3 previous months.
Change in forced vital capacity
Measured by spirometry within 3 previous months.
Total lung capacity
Measured by body plethysmography within 3 previous months
Functional residual capacity
Measured by body plethysmography within 3 previous months
Sponsors and contacts
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Maastricht University Medical Center
Lead sponsor
Nutricia Research
Collaborator
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