In the last decade several evidences show that cognitive impairment is a major feature of bipolar disorder (BD), that is strongly associated with patients' functional outcome. The most affected cognitive domains in BD are attention, memory and executive functions. BD represents a mental illness of considerable therapeutic complexity and the fight against cognitive and functional deterioration have contributed to increase the interest in the development of specific therapeutic strategies.There is the need of new non-pharmacological interventions in BD in order to improve not only affective symptoms, but also cognitive dysfunctions, with the final goal to achieve full functional recovery. The present study is focused on Functional Remediation (FR), a novel group intervention created by the Bipolar Disorder Unit of the Hospital Clinic of Barcelona and designed specifically for bipolar patients, based on a neuro-cognitive-behavioural approach. It involves neurocognitive and psychoeducation techniques (21 weekly sessions). The present study aims to assess FR efficacy in improving cognitive deficits and psychosocial functioning in a sample of euthymic patients with BD, compared to standard treatment (TAU). This is a randomized and rater-blind trial, involving 54 adult out-patients diagnosed with BD I or II (DSM-5 criteria) and clinically stable for at least two months. Patients will be assessed at baseline, post-treatment and 6-months follow-up, on validated cognitive, clinical and functional rating scales. The main result expected is that patients receiving FR will show better cognitive and psychosocial performance, further confirming the preliminary evidence on the utility of FR as an element of standard care for BD patients.
The main objective of this randomized, rater-blind controlled trial is to evaluate the efficacy of Functional Remediation (FR) in improving functional, clinical and cognitive outcomes in euthymic and clinically stable patients with Bipolar Disorder. FR is a novel group-based intervention, based on a neurocognitive-behavioural approach, making use of ecological techniques, specifically developed for patients with Bipolar Disorder and aimed at restoring psychosocial functioning in this population. The study will involve subjects recruited from outpatient clinics (residential or semi-residential care) within the Department of Mental Health and Addiction Services of ASST Spedali Civili, Brescia, Italy. Study participants will be assigned via central randomization to either FR or treatment as usual, the latter consisting of evidence-based drug treatment and case management. Pharmacological treatment will be maintained stable during the course of the trial, but no restriction will be applied in terms of access to evidence-based non-pharmacological interventions. Efficacy of the study intervention (lasting 6 months) will be assessed at post-treatment, and later investigated at 6-months follow-up. The study will be conducted in accordance with the ethical principles of the Declaration of Helsinki and Good Clinical Practice. It will take place within an experimental project related to the "PhD Course in Biomedical Sciences and Translational Medicine", curriculum "Neuroscience" of the University of Brescia, Italy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
54
Functional Remediation is a manualized, group-based psychosocial intervention built on a neurocognitive-behavioural approach, involving modeling techniques, role-playing tasks, self-instruction, positive reinforcement and metacognitive cues (Vieta E et al, Cambridge University Press, 2014). It consists of 21 90-min weekly sessions, in which a trained therapist and co-therapist work with 10-12 patients: the first 3 sessions are dedicated to psychoeducation on neurocognitive deficits; then 13 sessions of neurocognitive training sequentially target attention, memory and executive functions domains, comprising exercises carried out individually, in pairs or in small groups; the last 5 sessions focus on skills training (communication, interpersonal relationships, autonomy, stress management). Content of the sessions involves ecological tasks adapted to real-world situations, and to-be-performed in two contexts (clinical and daily). Homework is assigned, collected and discussed each time.
Standard care for bipolar disorders according to good clinical practice, including drug therapy and individual case management.
Department of Mental Health and Addiction Services
Brescia, BS, Italy
Psychosocial functioning
Functional outcome will be rated using the Functioning Assessment Short Test (FAST) - Italian Version (Barbato et al., 2013)
Time frame: Baseline to post-treatment (6 months)
Psychosocial functioning
Functional outcome will be rated using the Functioning Assessment Short Test (FAST) - Italian Version (Barbato et al., 2013)
Time frame: Baseline to follow-up (12 months)
Neurocognitive performance
Neurocognitive performance will be tested using a complete neuropsychological battery specifically developed for patients with bipolar disorder: the Brief Assessment of Cognition in Affective Disorders (BAC-A) (Keefe et al., 2014), Italian normative data (Rossetti et al. 2019)
Time frame: Baseline to post-treatment (6 months)
Neurocognitive performance
Neurocognitive performance will be tested using a complete neuropsychological battery specifically developed for patients with bipolar disorder: the Brief Assessment of Cognition in Affective Disorders (BAC-A) (Keefe et al., 2014), Italian normative data (Rossetti et al. 2019)
Time frame: Baseline to follow-up (12 months)
Socio-cognitive performance/Emotional processing
Social cognition will be evaluated using the Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT), Italian version (Curci et al, 2003)
Time frame: Baseline to post-treatment (6 months)
Socio-cognitive performance/Emotional processing
Social cognition will be evaluated using the Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT), Italian version (Curci et al, 2003)
Time frame: Baseline to follow-up (12 months)
Subthreshold manic symptoms
Manic symptoms will be evaluated using the Young Mania Rating Scale (Y-MRS) (Young et al, 1978). Euthymia will be defined by a score of Y-MRS \<= 6 points.
Time frame: Baseline to post-treatment (6 months)
Subthreshold manic symptoms
Manic symptoms will be evaluated using the Young Mania Rating Scale (Y-MRS) (Young et al, 1978). Euthymia will be defined by a score of Y-MRS \<= 6 points.
Time frame: Baseline to follow-up (12 months)
Subthreshold depressive symptoms
Depressive symptoms will be evaluated using the Hamilton Depression Rating Scale (HAM-D) (Hamilton et al, 1960). Euthymia will be defined by a score of HAM-D \<= 8 points.
Time frame: Baseline to post-treatment (6 months)
Subthreshold depressive symptoms
Depressive symptoms will be evaluated using the Hamilton Depression Rating Scale (HAM-D) (Hamilton et al, 1960). Euthymia will be defined by a score of HAM-D \<= 8 points.
Time frame: Baseline to follow-up (12 months)
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