Protocol Cognitive behavioral therapy, exercise training, and cognitive remediation for patients with [LC]: protocol of an open-label [RCT] 2025, Gouraud+

SNT Gatchaman

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Cognitive behavioral therapy, exercise training, and cognitive remediation for patients with post-COVID-19 condition: protocol of an open-label randomized controlled trial
Gouraud, Clément; Ancellin-Geay, Agathe; Verot, Corentin; Bergeras, Isabelle; Poudevigne, Laura; Cormier, Lucile; Gilbert, Séverine; Limosin, Frédéric; Lacoste, Laurence; Ribayrol, Diane; Vedrines, Charles Ouazana; Pitron, Victor; Mesbahi-Ihadjadene, Karima; Abdoul, Hendy; Rousseau, Jessica; Kachaner, Alexandra; Ranque, Brigitte; Thoreux, Patricia; Lemogne, Cédric

BACKGROUND
Effective rehabilitation programs targeting transdiagnostic mechanisms of persistent physical symptoms are needed in long COVID. We present a transparency-focused description of the protocol of an open-label randomized controlled trial designed to evaluate the efficacy and tolerance of a multidisciplinary intensive rehabilitation program versus usual care.

METHODS
After a day-hospital multidisciplinary evaluation program including minimal psychoeducation and personalized recommendations, patients presenting with persistent symptoms after COVID-19 are proposed to participate to the study. The intervention consists of a 6-week rehabilitation program with groups of 3 to 5 patients attending three day-hospital sessions per week. The rehabilitation program combines adapted physical activity (three sessions per week with progressive exertion thresholds), cognitive remediation (two computer-based personalized sessions per week) and cognitive behavioral therapy (CBT, two sessions per week: one group session and one individual session). CBT sessions encompass psychoeducation, cognitive restructuring, behavioral activation and gradual exposure, and problem-solving skills. Our primary outcome is health-related quality of life (HRQoL) at 6 months, measured with the Physical Component Score (PCS) of the 12-item Short-Form Health Survey. The secondary outcomes are the Mental Component Score (MCS) at 6 months, PCS and MCS at 3 months, the main persistent symptoms (fatigue, dyspnea, cognitive complaints, pain) and associated psychological burden at 3 and 6 months, and patients satisfaction at 3 months. All included patients undergo an inclusion visit including a physical condition evaluation, a neuropsychological assessment, a first consultation with the CBT therapist, and the completion of several questionnaires for the secondary outcomes (Pichot scale, Borg scale, Cognitive Difficulties Scale, pain numeric scale, and Somatic Symptom disorder-B criteria scale). These evaluations are repeated at 3- and 6-month follow-up. All analyses will be performed in intention to treat following CONSORT Statement recommendations.

DISCUSSION
Our goal is to demonstrate that a multidisciplinary intensive rehabilitation program combining adapted physical activity, cognitive remediation, and CBT leads to an improvement in HRQoL in the long term (i.e., six months after a multidisciplinary evaluation program including minimal psychoeducation and personalized recommendations) in patients with long COVID, while being feasible, acceptable, and safe.

TRIAL REGISTRATION
NCT number NCT05532904, registration date: 2022–09-07.

Web | DOI | PDF | BMC Psychology | Open Access
 
Regarding adapted physical activity, the original protocol involved an initial exposure to an effort intensity calculated from the results of the previously performed stress test, which corresponds to the proposed protocol for physical activity rehabilitation for other chronic conditions. However, given the massive functional limitations of some patients with long COVID and the feedback of patients included in the first group who reported poor tolerance of exercise training sessions, even for the first exertion thresholds, we decided to propose minimal or even no effort for the first exertion threshold, with a possibility given to the patients to change this for the next sessions. This observation is also consistent with the hypothesis of classical conditioning partially accounting for post-, per- or even pre-exertional symptom exacerbation, which emphasizes the importance of addressing cognitive biases that may hinder appropriate re-exposure.

We also observed poor adherence of the first group of patients to the hypothesis of cognitive and behavioral factors contributing to symptom persistence, contrasting with individual feedback from the multidisciplinary day-hospital CASPer-COVID evaluation program during which the patients were screened for eligibility and provided with minimal psychoeducation regarding these factors.

Based on patients’ feedback, we analyzed that further psychoeducation on cognitive and behavioral mechanisms in group session might have occurred too late in the original rehabilitation program, leaving purely physical interpretations of post-exertional symptom unchallenged. Therefore, in accordance with other CBT programs in long COVID, we then decided to introduce early the hypothesis of cognitive and behavioral perpetuating factors (i.e., during the first CBT group session) as well as the ‘micro-choices’ paradigm (during first the first CBT individual session) to provide patients with alternative explanations of symptoms triggered by exercise and foster adherence to exposure therapy components of CBT.
 
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