This randomised controlled trial aims to investigate the efficacy of a psychological intervention for long COVID (LC) / post-COVID-19 syndrome (PCS) called Balance Acceptance and Commitment Therapy (Balance ACT). The primary objective of this trial is to investigate whether Balance-ACT improves quality of life over treatment as usual (i.e., self-help leaflet) in people with PCS/LC.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
196
Balance-ACT is an ACT-based psychological intervention specifically designed for people with PCS/LC. Balance-ACT will use ACT techniques and mindfulness and will focus on establishing a balance psychologically and physiologically and regulating homeostasis. More specifically, Balance ACT will aim to regulate behaviours such as sleep, stress and activity, which can subsequently have an impact on homeostasis and physiology. Balance-ACT will also encourage people to live a values-based life and set goals according to their values.
King's College London
Camberwell, London, United Kingdom
Physical Component Summary (PCS) of the 36-item Short Form Health Survey (SF-36) at Week 14
Time frame: Week 14
EuroQol 5 Dimension - 5 Levels (EQ-5D-5L)
Time frame: Week 0, 14 and 20
Adult Service Use Schedule
Time frame: Week 0 and 20
Functional Assessment of Chronic Illness Therapy - Fatigue (FACIT-F)
Time frame: Week 0, 7, 14 and 20
Modified Clinical Global Impressions Scale- Improvement (CGI-I)
Time frame: Week 14 and 20
Pittsburgh Sleep Quality Index (PSQI)
Time frame: Week 0, 7, 14 and 20
Modified Patient Health Questionnaire-15 (PHQ-15)
Time frame: Week 0, 7, 14 and 20
Montreal cognitive assessment-telephone version (MoCA-T)
Time frame: Week 0, 14 and 20
Perceived Deficits Questionnaire (PDQ)
Time frame: Week 0, 7, 14 and 20
Patient Health Questionnaire-8 (PHQ-8)
Time frame: Week 0, 7, 14 and 20
Generalised Anxiety Disorder-7 (GAD-7)
Time frame: Week 0, 7, 14 and 20
Work and social adjustment scale (WSAS)
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Time frame: Week 0, 7, 14 and 20
Modified DePaul Post exertional malaise questionnaire
Time frame: Week 0, 7, 14 and 20
Post Traumatic Stress Disorder Checklist for DSM 5 (PCL-5)
Time frame: Week 0, 14 and 20
Nijmegen Questionnaire (NQ)
Time frame: Week 0, 14 and 20
Dyspnoea-12
Time frame: Week 0, 14 and 20
Modified Medical Research Council Dyspnea Scale (mMRC)
Time frame: Week 0, 14 and 20
Lung function (spirometry, Resting pulse oximetry; SpO2)
Time frame: Week 0 and 14
Muscle strength
Handgrip muscle strength: A handgrip dynamometer will be used to measure grip strength. The dynamometer will be placed in the participant's hand and the participant will be instructed to squeeze as hard as possible.
Time frame: Week 0, 7, 14 and 20
Muscle fatigue
1. Handgrip volitional fatigue: A digital grip force transducer will be used to assess volitional handgrip fatigue. 2. Quadriceps non-volitional fatigue: Quadriceps muscle endurance will be assessed non-volitionally using transcutaneous electrical stimulation.
Time frame: Week 0 and 14
1 minute sit-to-stand test
Participants will also be shown the Borg Rating of Perceived Exertion Scale and asked to rate their perceived breathlessness and leg fatigue prior to the start of the test, immediately after completion of the test, and following one minute of recovery.
Time frame: Week 0 and 14
4 metre gait speed
Time frame: Week 0 and 14
Short Physical Performance Battery (SPPB)
Time frame: Week 0 and 14
International Physical Activity Questionnaire - Short Form (IPAQ-SF)
Time frame: Week 0, 7, 14 and 20
Heartrate variability
via electrocardiogram (ECG)
Time frame: Week 0 and 14
Average Heart-rate
Average Heart-rate will be assessed from 5 minutes of a 10-minute resting 3 lead electrocardiogram (ECG). These short-term recordings provide a non-invasive measure of autonomic nervous system function.
Time frame: Week 0 and 14
Cognitive and Behavioural Responses Questionnaire (CBRQ)
Time frame: Week 0, 7, 14 and 20
Comprehensive assessment of Acceptance and Commitment Therapy processes
Time frame: Week 0, 7, 14 and 20
Quadricep Muscle Strength
Volitional Quadriceps MVC and assessment of quadriceps volitional activation by twitch interpolation using electrical stimulation.
Time frame: Week 0 and 14
Post COVID Syndrome Recovery (Single Item)
A self-reported single item questionnaire "Do you consider yourself recovered from long COVID?"
Time frame: Week 7, 14 and 20
Treatment Satisfaction Questionnaire
Time frame: Week 14
Physical Component Summary (PCS) of the 36-item Short Form Health Survey (SF-36) at Week 20
Time frame: Week 0, 7, and 20
Mental Component Summary (MCS) of the 36-item Short Form Health Survey (SF-36)
Time frame: Week 0, 7, 14 and 20