Cognitive behavioural therapy

Psychological therapies for the management of chronic pain (excluding headache) in adults.: Background: Chronic non-cancer pain, a disabling and distressing condition, is common in adults. It is a global public health problem and economic burden on health and social care systems and on people with chronic pain. Psychological treatments aim to reduce pain, disability and distress. This review updates and extends its previous version, published in 2012. Objectives: To determine the clinical efficacy and safety of psychological interventions for chronic pain in adults (age > 18 years) com

Acceptance and commitment therapy versus cognitive behavioral therapy in the treatment of substance use disorder with incarcerated women.: Objectives: This randomized controlled study compared acceptance and commitment therapy (ACT), cognitive-behavioral therapy (CBT), and a control group. Method: The participants were 50 incarcerated women diagnosed with current substance use disorder. Two psychologists carried out pre- and posttreatment assessment and a 6-month follow-up assessment using the following instruments: Anxiety Sensitivity Index, Addiction Severity Index-6, Mini International Neuropsychiatric Interview, and Acceptance

Cognitive mediators of treatment for social anxiety disorder: comparing acceptance and commitment therapy and cognitive-behavioral therapy.: Objective: To assess the relationship between session-by-session mediators and treatment outcomes in traditional cognitive-behavioral therapy (CBT) and acceptance and commitment therapy (ACT) for social anxiety disorder. Method: Session-by-session changes in negative cognitions (a theorized mediator of CBT) and experiential avoidance (a theorized mediator of ACT) were assessed in 50 adult outpatients randomized to CBT (n=25) or ACT (n=25) for DSM-IV social anxiety disorder. Results: Multilevel m

Acceptance and Commitment Therapy in group format for anxiety and depression. A systematic review.: Background: Emotional disorders, such as anxiety and depression, are one of the main causes of disability worldwide. Recent reviews suggest that Acceptance and Commitment Therapy is effective in treating emotional disorders. However, they appraise mainly individual approaches. This review aimed to analyze published studies regarding the usefulness of Acceptance and Commitment Therapy, applied on a group basis, in the treatment of anxiety and depression. Methods: A systematic review of the litera

Internet-Delivered Acceptance and Commitment Therapy for Anxiety Treatment: Systematic Review.: Background: Anxiety conditions are debilitating and prevalent throughout the world. Acceptance and Commitment Therapy (ACT) is an effective, acceptance-based behavioral therapy for anxiety. However, there are treatment barriers (eg, financial, geographical, and attitudinal), which prevent people from accessing it. To overcome these barriers, internet-delivered ACT (iACT) interventions have been developed in recent years. These interventions use websites to deliver ACT information and skill train

Internet-Based Acceptance and Commitment Therapy: A Transdiagnostic Systematic Review and Meta-Analysis for Mental Health Outcomes.: Internet-based acceptance and commitment therapy (iACT) primarily targets the process of psychological flexibility. Its accessibility and low-intensity delivery are applicable across different treatment and prevention scenarios. This transdiagnostic meta-analysis reviews the effectiveness of iACT on anxiety, depression, quality of life, and psychological flexibility across individuals with different psychological and somatic conditions/complaints, or undiagnosed complaints. Seven databases were

Feasibility and efficacy of a digital CBT intervention for symptoms of Generalized Anxiety Disorder: A randomized multiple-baseline study.

Background and objectives: Cognitive behavioral therapy (CBT) is a first-line treatment for anxiety, but it is not widely available as clinical guidelines recommend. We examined the feasibility and efficacy of a novel smartphone-based fully automated digital CBT intervention, 'Daylight™', to improve symptoms of Generalized Anxiety Disorder (GAD). Methods: In this multiple-baseline design, 21 adults (20 F; mean age 43yrs. range 19-65yrs.) with moderate-to-severe symptoms of GAD were randomized to one of three baseline durations (2-, 4-, or 6-weeks) and then received access to digital CBT. Participants completed daily ratings of anxiety and worry, weekly measures of anxiety, depressive symptoms, and sleep, and measures of anxiety, worry, wellbeing, quality of life, CBT skill acquisition, and work performance at initial assessment prior to baseline randomization, post-intervention, and foll…

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Effect of an Internet-Delivered Stepped-Care Program vs In-Person Cognitive Behavioral Therapy on Obsessive-Compulsive Disorder Symptoms in Children and Adolescents: A Randomized Clinical Trial.

Importance: In most countries, young people with obsessive-compulsive disorder have limited access to specialist cognitive behavioral therapy (CBT), a first-line treatment. Objective: To investigate whether internet-delivered CBT implemented in a stepped-care model is noninferior to in-person CBT for pediatric obsessive-compulsive disorder. Design, setting and participants: A randomized clinical noninferiority trial conducted at 2 specialist child and adolescent mental health clinics in Sweden. Participants included 152 individuals aged 8 to 17 years with obsessive-compulsive disorder. Enrollment began in October 2017 and ended in May 2019. Follow-up ended in April 2020. Interventions: Participants randomized to the stepped-care group (n = 74) received internet-delivered CBT for 16 weeks. Nonresponders at the 3-month follow-up were then offered a course of traditional face-to-face treatm…

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Efficacy of Zemedy, a Mobile Digital Therapeutic for the Self-management of Irritable Bowel Syndrome: Crossover Randomized Controlled Trial.

Background: Patients with irritable bowel syndrome (IBS) experience abdominal pain, altered bowel habits, and defecation-related anxiety, which can result in reduced productivity and impaired health-related quality of life (HRQL). Cognitive behavioral therapy (CBT) has been shown to reduce symptoms of IBS and to improve HRQL, but access to qualified therapists is limited. Smartphone-based digital therapeutic interventions have potential to increase access to guided CBT at scale, but require careful study to assess their benefits and risks. Objective: The aim of this study was to test the efficacy of a novel app, Zemedy, as a mobile digital therapeutic that delivers a comprehensive CBT program to individuals with IBS. Methods: This was a crossover randomized controlled trial. Participants were recruited online and randomly allocated to either immediate treatment (n=62) or waitlist control…

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Sustained benefit of cognitive behaviour therapy for health anxiety in medical patients (CHAMP) over 8 years: a randomised-controlled trial.

Background: Health anxiety is an under-recognised but a frequent cause of distress. It is particularly common in general hospitals. Methods: We carried out an 8-year follow-up of medical out-patients with health anxiety (hypochondriasis) enrolled in a randomised-controlled trial in five general hospitals in London, Middlesex and Nottinghamshire. Randomisation was to a mean of six sessions of cognitive behaviour therapy adapted for health anxiety (CBT-HA) or to standard care in the clinics. The primary outcome was a change in score on the Short Health Anxiety Inventory, with generalised anxiety and depression as secondary outcomes. Of 444 patients aged 16-75 years seen in cardiology, endocrinology, gastroenterology, neurology and respiratory medicine clinics, 306 (68.9%) were followed-up 8 years after randomisation, including 36 who had died. The study is registered with controlled-trials…

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Integrated weight loss and cognitive behavioural therapy (CBT) for the treatment of recurrent binge eating and high body mass index: a randomized controlled trial.

Purpose: The association between binge eating and obesity is increasing. Treatments for disorders of recurrent binge eating comorbid with obesity reduce eating disorder (ED) symptoms, but not weight. This study investigated the efficacy and safety of introducing a weight loss intervention to the treatment of people with disorders of recurrent binge eating and a high body mass index (BMI). Methods: A single-blind randomized controlled trial selected adults with binge eating disorder or bulimia nervosa and BMI ≥ 27 to < 40 kg/m2. The primary outcome was sustained weight loss at 12-month follow-up. Secondary outcomes included ED symptoms. Mixed effects models analyses were conducted using multiple imputed datasets in the presence of missing data. Results: Ninety-eight participants were randomized to the Health Approach to Weight Management and Food in Eating Disorders (HAPIFED) or to the Co…

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Physiotherapy and combined cognitive-behavioural therapy for patients with chronic pelvic pain syndrome: results of a non-randomised controlled feasibility trial.

Objective: To explore feasibility in terms of delivering and evaluating a combination of physiotherapy and psychotherapy for patients with chronic pelvic pain syndrome (CPPS). Design: Prospective non-randomised controlled pilot study. Setting: Tertiary care facility with a specialised interdisciplinary outpatient clinic for patients with CPPS. Participants: A total of 311 patients was approached; 60 participated. 36 patients were included in the intervention group (mean age ±SD 48.6 years±14.8; 52.8% female) and 24 in the control group (mean age ±SD 50.6 years±14.5; 58.3% female). Fourteen participants were lost to follow-up. Interventions: Participants were non-randomly allocated to the intervention group with two consecutive treatment modules (physiotherapy and cognitive behavioural therapy) with a duration of 9 weeks each or to the control group (treatment as usual). Main outcome meas…

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Effect of Telephone Cognitive Behavioral Therapy for Insomnia in Older Adults With Osteoarthritis Pain: A Randomized Clinical Trial.

Importance: Scalable delivery models of cognitive behavioral therapy for insomnia (CBT-I), an effective treatment, are needed for widespread implementation, particularly in rural and underserved populations lacking ready access to insomnia treatment. Objective: To evaluate the effectiveness of telephone CBT-I vs education-only control (EOC) in older adults with moderate to severe osteoarthritis pain. Design, setting, and participants: This is a randomized clinical trial of 327 participants 60 years and older who were recruited statewide through Kaiser Permanente Washington from September 2016 to December 2018. Participants were double screened 3 weeks apart for moderate to severe insomnia and osteoarthritis (OA) pain symptoms. Blinded assessments were conducted at baseline, after 2 months posttreatment, and at 12-month follow-up. Interventions: Six 20- to 30-minute telephone sessions pro…

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Dose of psychotherapy and long-term recovery outcomes: An examination of attendance patterns in alcohol use disorder treatment.

Objectives: The purpose of this study was to examine associations between psychotherapy session attendance, alcohol treatment outcomes, and Alcoholics Anonymous (AA) attendance. Method: Using data from Project MATCH, repeated measures latent class analyses of psychotherapy session attendance were conducted among participants in the outpatient arm who were randomly assigned to complete 12-session cognitive-behavioral therapy (CBT; n = 301), 12-session twelve-step facilitation (TSF; n = 335), or 4-session motivational enhancement therapy (MET; n = 316). Associations between psychotherapy attendance classes, heavy drinking, alcohol-related consequences, psychosocial functioning, and AA attendance were examined at posttreatment (97% retention), 1-year posttreatment (92% retention), and 3-years posttreatment (85% retention). Results: In general, participants who attended all 12 CBT/TSF sessio…

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The Nature, Timing, and Symptom Trajectories of Dropout From Transdiagnostic and Single-Diagnosis Cognitive-Behavioral Therapy for Anxiety Disorders.

Dropout from psychotherapy is common and can have negative effects for patients, providers, and researchers. A better understanding of when and why patients stop treatment early, as well as actionable factors contributing to dropout, has the potential to prevent it. Here, we examined dropout from a large randomized controlled trial of transdiagnostic versus single-diagnosis cognitive-behavioral treatment (CBT) for patients with anxiety disorders (n = 179; Barlow et al., 2017). We aimed to characterize the timing of and reasons for dropout and test whether participants who dropped out had different symptom trajectories than those who completed treatment. Results indicated that overall, the greatest risk of dropout was prior to the first treatment session. In single-diagnosis CBT, dropout risk was particularly elevated before the first session and after other early sessions, whereas in tra…

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The effect of group cognitive behavioural therapy for insomnia in postmenopausal women.

The menopausal period is associated with several complications in women. One of these complications is sleep disorders including insomnia disorder that can affect all aspects of personal life. The present study aimed to evaluate the effectiveness of cognitive behavioural therapy for insomnia (CBT-I) on insomnia severity and sleep quality among postmenopausal women. This was a randomised clinical trial in which 46 women were recruited and randomly allocated into two groups, one receiving CBT-I and a control group. The CBT-I group received six sessions of training, while the control group received only usual care. A demographic questionnaire, Insomnia Severity Index (ISI), and Pittsburgh Sleep Quality Index (PSQI), were used to collect the data. The ISI and PSQI were measured at baseline, 3 and 6 weeks after intervention, and in a 4-week follow-up. The Independent t test, the chi-square te…

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Telemedicine versus face-to-face delivery of cognitive behavioral therapy for insomnia: a randomized controlled noninferiority trial.

Study objectives: In a randomized controlled noninferiority trial, we compared face-to-face and telemedicine delivery (via the AASM SleepTM platform) of cognitive-behavioral therapy (CBT) for insomnia for improving insomnia/sleep and daytime functioning at posttreatment and 3-month follow-up. A secondary objective compared the modalities on treatment credibility, satisfaction, and therapeutic alliance. Methods: A total of 65 adults with chronic insomnia (46 women, 47.2 ± 16.3 years of age) were randomized to 6 sessions of CBT for insomnia delivered individually via AASM SleepTM (n = 33, CBT-TM) or face-to-face (n = 32, CBT-F2F). Participants completed sleep diaries, the Insomnia Severity Index (ISI), and daytime functioning measures at pretreatment, posttreatment, and 3-month follow-up. Treatment credibility, satisfaction, and therapeutic alliance were compared between treatment modaliti…

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Interpersonal counselling versus perinatal-specific cognitive behavioural therapy for women with depression during pregnancy offered in routine psychological treatment services: a phase II randomised trial.

Background: Up to one in eight women experience depression during pregnancy. In the UK, low intensity cognitive behavioural therapy (CBT) is the main psychological treatment offered for those with mild or moderate depression and is recommended during the perinatal period, however referral by midwives and take up of treatment by pregnant women is extremely low. Interpersonal Counselling (IPC) is a brief, low-intensity form of Interpersonal Psychotherapy (IPT) that focuses on areas of concern to service users during pregnancy. To improve psychological treatment for depression during pregnancy, the study aimed to assess the feasibility and acceptability of a trial of IPC for antenatal depression in routine NHS services compared to low intensity perinatal specific CBT. Methods: We conducted a small randomised controlled trial in two centres. A total of 52 pregnant women with mild or moderate…

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Mindful Self-Compassion program for chronic pain patients: A randomized controlled trial.

Background: Although evidence-based psychological treatments for chronic pain (CP) have been demonstrated to be effective for a variety of outcomes, modest effects observed in recent reviews indicate scope for improvement. Self-compassion promotes a proactive attitude towards self-care and actively seeking relief from suffering. Consequently, more compassionate people experience better physical, psychological and interpersonal well-being. Methods: We conducted a single-blind, randomized, controlled trial to examine the effects of a Mindful Self-Compassion program (MSC) on relevant clinical outcomes in patients with CP. Patients were randomly assigned to one of the two intervention arms: MSC or cognitive-behavioural therapy (CBT). The protocols of both intervention arms were standardized and consisted of a 150-min session once a week during 8 weeks formatted to groups of no more than 20 p…

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Internet-based cognitive behavioural therapy for depression and anxiety among Arabic-speaking individuals in Sweden: a pilot randomized controlled trial.

Arabic-speaking immigrants and refugees constitute one of the largest immigrant groups in Sweden. Previous research on Arabic-speaking immigrants indicates elevated levels of psychological disorders, including depression and anxiety. The aim of the present pilot study was to examine the efficacy of an internet-delivered cognitive behavioural treatment (ICBT) in an Arabic-speaking immigrant population. The intervention was individually tailored based on self-described problems and consisted of nine modules targeting areas such as depression, anxiety and insomnia. In total, 59 individuals were included and randomized to either an 8-week treatment or wait-list control. Self-reported symptoms of depression on the PHQ-9 were used as primary outcome measure. Secondary outcome measures of anxiety, stress, insomnia, quality of life and post-traumatic stress were also used. In the intention-to-tr…

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Comparison of a Single-Session Pain Management Skills Intervention With a Single-Session Health Education Intervention and 8 Sessions of Cognitive Behavioral Therapy in Adults With Chronic Low Back Pain: A Randomized Clinical Trial.

Importance: Chronic low back pain (CLBP), the most prevalent chronic pain condition, imparts substantial disability and discomfort. Cognitive behavioral therapy (CBT) reduces the effect of CLBP, but access is limited. Objective: To determine whether a single class in evidence-based pain management skills (empowered relief) is noninferior to 8-session CBT and superior to health education at 3 months after treatment for improving pain catastrophizing, pain intensity, pain interference, and other secondary outcomes. Design, setting, and participants: This 3-arm randomized clinical trial collected data from May 24, 2017, to March 3, 2020. Participants included individuals in the community with self-reported CLBP for 6 months or more and an average pain intensity of at least 4 (range, 0-10, with 10 indicating worst pain imaginable). Data were analyzed using intention-to-treat and per-protocol…

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Digital cognitive behavioral therapy for insomnia promotes later health resilience during the coronavirus disease 19 (COVID-19) pandemic.

Study objectives: Stressful life events contribute to insomnia, psychosocial functioning, and illness. Though individuals with a history of insomnia may be especially vulnerable during stressful life events, risk may be mitigated by prior intervention. This study evaluated the effect of prior digital cognitive-behavioral therapy for insomnia (dCBT-I) versus sleep education on health resilience during the COVID-19 pandemic. Methods: COVID impact, insomnia, general- and COVID-related stress, depression, and global health were assessed in April 2020 in adults with a history of insomnia who completed a randomized controlled trial of dCBT-I (n = 102) versus sleep education control (n = 106) in 2016-2017. Regression analyses were used to evaluate the effect of intervention conditions on subsequent stress and health during the pandemic. Results: Insomnia symptoms were significantly associated w…

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A randomized controlled trial of acceptance and commitment therapy for psychological distress among persons with traumatic brain injury.

Psychological distress is common in persons with traumatic brain injury (TBI) but treatments remain underdeveloped. This randomized controlled trial of Acceptance and Commitment Therapy (ACT) was designed to address this gap. Ninety-three persons with medically-documented complicated mild to severe TBI, normal-to-mildly impaired memory, and clinically significant psychological distress in the chronic phase of recovery were randomized to receive eight weeks of ACT (manualized with adaptations to address TBI-related cognitive impairments) or a single session of needs assessment, brief counseling/education, and referral. The ACT group showed significantly greater reduction of psychological distress (Brief Symptom Inventory 18) and demonstrated improvements in psychological flexibility and commitment to action (Acceptance and Action Questionnaire-II (AAQ-II) scores). The number of treatment …

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The effect of nurse-led Internet-based cognitive behavioural therapy for insomnia on patients with cardiovascular disease: A randomized controlled trial with 6-month follow-up.

Aim: To test the effect of nurse-led Internet-based cognitive behavioural therapy for insomnia (I-CBTI), tailored for patients with cardiovascular disease (CVD), with a 6-month follow-up. Design: A two-arm parallel-group randomized controlled trial (RCT) registered at clinicaltrials.gov (NTC03938805) and reported according to the CONSORT checklist. Methods: Forty-eight patients (mean age 72 years, 65% men) diagnosed with CVD and insomnia were randomized to either 9-week nurse-led I-CBTI with support, or an Internet-based self-study programme without support (control group). Insomnia Severity Index (ISI) and Short Form Health Survey (SF-12) were used as primary and secondary outcomes. Results: ISI showed a significant treatment effect of I-CBTI compared to the control group at 9-week follow-up. The mean ISI score in the I-CBTI group at 9 weeks post-treatment was maintained at the 6-month …

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Long-term benefits of digital cognitive behavioural therapy for insomnia: Follow-up report from a randomized clinical trial.

Digital cognitive behavioural therapy (dCBT) is an effective treatment for chronic insomnia and also improves well-being and quality of life (QoL). We assessed whether these benefits are sustained and if the effects of dCBT extend to the use of sleep medication and healthcare. In total 1,711 adults (48.0 ± 13.8 years, 77.6% female) with complaints of chronic insomnia participated in a previously published randomized controlled trial (ISRCTN 60530898) comparing dCBT (n = 853) with sleep hygiene education (SHE, n = 858). At weeks 0, 4, 8, 24, 36 and 48, we assessed functional health (Patient-Reported Outcomes Measurement Information System: Global Health Scale); psychological well-being (Warwick-Edinburgh Mental Well-being Scale) and sleep-related QoL (Glasgow Sleep Impact Index), prescribed and non-prescribed sleep medication use, and healthcare utilization. At week 25, those who received…

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Effectiveness of enhanced cognitive behavior therapy for eating disorders: A randomized controlled trial.

Objective: Enhanced cognitive behavior therapy (CBT-E) is a transdiagnostic treatment suitable for the full range of eating disorders (EDs). Although the effectiveness of CBT(-E) is clear, it is not being used as widely in clinical practice as guidelines recommend. The aim of the present study was to compare the effectiveness of CBT-E with treatment as usual (TAU), which was largely based on CBT principles. Method: We conducted a randomized controlled trial on a total of 143 adult patients with an ED who received either CBT-E or TAU. The primary outcome was recovery from the ED. Secondary outcome measures were levels of ED psychopathology, anxiety, and depressive symptoms. Self-esteem, perfectionism, and interpersonal problems were repeatedly measured to examine possible moderating effects. We explored differences in duration and intensity between conditions. Results: After 80 weeks, the…

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Effectiveness of Task-Shifted Trauma-Focused Cognitive Behavioral Therapy for Children Who Experienced Parental Death and Posttraumatic Stress in Kenya and Tanzania: A Randomized Clinical Trial.

Importance: Approximately 140 million children worldwide have experienced the death of one or both parents. These children, mostly in low- and middle-income countries, have higher rates of mental health problems than those who have not experienced parental death. Cognitive behavioral therapy (CBT) may improve the well-being of these children, but to our knowledge there have been no randomized clinical trials specifically focused on this population. Objectives: To test the effectiveness of trauma-focused CBT (TF-CBT) for improving posttraumatic stress (PTS) in children in Kenya and Tanzania who have experienced parental death, to test the effects of TF-CBT on other mental health symptoms, and to examine the feasibility of task-shifting with greater reliance on experienced, local lay counselors as trainers and supervisors. Design, setting, and participants: A randomized clinical trial cond…

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When adolescents stop psychological therapy: Rupture-repair in the therapeutic alliance and association with therapy ending.

The therapeutic alliance predicts dropout from psychological therapy, and ruptures in the therapeutic alliance may also predict dropout, yet there is a dearth of research with adolescents. This study investigated whether markers of rupture-repair in the alliance were indicative of different types of treatment ending in adolescents receiving psychological treatment for depression. Data were from the IMPACT study, a trial investigating the effectiveness of therapies for adolescent depression. Participants were randomly allocated to receive a brief psychosocial intervention, cognitive-behavioral therapy, or short-term psychoanalytic psychotherapy. The sample (N = 35) comprised adolescents who had either completed their treatment (n = 14) or dropped out (n = 21) according to their therapist. Dropout cases were further classified as dissatisfied (n = 14) or got-what-they-needed (n = 7) based …

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Efficacy of a two-session repetitive negative thinking-focused acceptance and commitment therapy (ACT) protocol for depression and generalized anxiety disorder: A randomized waitlist control trial.

This parallel randomized controlled trial aimed to evaluate the effect of acceptance and commitment therapy (ACT) focused on disrupting repetitive negative thinking (RNT) versus a waitlist control (WLC) in the treatment of depression and generalized anxiety disorder (GAD). Forty-eight participants with a main diagnosis of depression and/or GAD were allocated by means of simple randomization to a 2-session RNT-focused ACT intervention or to the WLC. The primary outcomes were emotional symptoms as measured by the Depression, Anxiety, and Stress Scales-21. Process outcomes included ACT- and RNT-related measures: general RNT, experiential avoidance, cognitive fusion, values, and generalized pliance. At the 1-month follow-up, linear mixed effects models showed that the intervention was efficacious in reducing emotional symptoms (d = 2.42, 95% confidence interval [1.64, 3.19]), with 94.12% of …

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Efficacy of Cognitive Behavioral Therapy With and Without Medication for Adults With ADHD: A Randomized Clinical Trial.

Objective: Recent trials have demonstrated efficacy of cognitive behavioral therapy (CBT) in medicated adults with ADHD. Efficacy of CBT in unmedicated versus medicated adults remains mostly unknown. We evaluated the effects of group CBT alone versus combined with medication on ADHD symptoms and functional outcomes in adult patients. Method: Eighty-eight adults with ADHD received 12 manualized group CBT sessions, accompanied by individual coaching, either without (n = 46) or with (n = 42) medication. Treatment effects were evaluated following treatment and 3-month and 6-month follow-up using un-blinded self-report and observer ratings. Results: CBT + medication resulted in greater improvements than CBT alone in ADHD symptoms, organizational skills, and self-esteem. Group differences diminished over follow-up, as the CBT alone group continued improving, while the combined group maintained…

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Cognitive behavioural therapy interventions for insomnia among shift workers: RCT in an occupational health setting.

Introduction: The aim of the study was to compare the effectiveness of cognitive behavioural therapy interventions for insomnia (CBT-I) to that of a sleep hygiene intervention in a randomized controlled design among shift workers. We also studied whether the features of shift work disorder (SWD) affected the results. Methods: A total of 83 shift workers with insomnia disorder were partially randomized into a group-based CBT-I, self-help CBT-I, or sleep hygiene control intervention. The outcomes were assessed before and after the interventions and at 6-month follow-up using questionnaires, a sleep diary, and actigraphy. Results: Perceived severity of insomnia, sleep-related dysfunctional beliefs, burnout symptoms, restedness, recovery after a shift, and actigraphy-based total sleep time improved after the interventions, but we found no significant differences between the interventions. Mo…

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