Predicting response to and relapse after treatment of trichotillomania with the Comprehensive Behavioral model (ComB).

Prior studies of behavior therapy for trichotillomania (TTM) have shown that response is variable, and relapse after treatment discontinuation is common. Little information is available concerning prognostic factors capable of predicting individual differences in response or maintenance of improvement. The present study is a secondary analysis of a randomized controlled trial (N = 36) of the Comprehensive Behavioral (ComB) model of treatment for TTM (Carlson et al., 2021). We investigated age, disorder history, pre-treatment symptom severity, longest prior period of abstinence from pulling, and Emotion and Intention hair pulling styles as predictors of initial response. We studied age, disorder history, pre-treatment symptom severity, longest prior period of abstinence from pulling, and post-treatment symptom severity or hair-pulling abstinence as predictors of relapse following treatment. Older age significantly predicted lower TTM severity following treatment. Lower pre-treatment severity significantly predicted lower severity of TTM at the 3-month follow-up.

Long-term follow-up of acceptance-enhanced behavior therapy for trichotillomania.

Acceptance-enhanced behavior therapy for trichotillomania (AEBT-TTM) is effective in reducing trichotillomania (TTM) symptoms, but the durability of treatment effects remains in question. This study analyzed 6-month follow-up data from a large randomized clinical trial comparing AEBT-TTM to an active psychoeducation and supportive therapy control (PST). Adults with TTM (N=85; 92% women) received 10 sessions of AEBT-TTM or PST across 12 weeks. Independent evaluators assessed participants at baseline, post-treatment, and 6 months follow-up. For both AEBT-TTM and PST, self-reported and evaluator-rated TTM symptom severity decreased from baseline to follow-up. TTM symptoms did not worsen from post-treatment to follow-up. At follow-up, AEBT-TTM and PST did not differ in rates of treatment response, TTM diagnosis, or symptom severity. High baseline TTM symptom severity was a stronger predictor of high follow-up severity for PST than for AEBT-TTM, suggesting AEBT-TTM may be a better option for more severe TTM. Results support the efficacy of AEBT-TTM and show that treatment gains were maintained over time. Although AEBT-TTM yielded lower symptoms at post-treatment, 6-month follow-up outcomes suggest AEBT-TTM and PST may lead to similar symptom levels in the longer term. Future research should examine mechanisms that contribute to long-term gain maintenance.

Body-Focused Repetitive Behavior Disorders in Children and Adolescents: Clinical Characteristics and Treatment Outcomes in a Naturalistic Setting.

Body-focused repetitive behavior disorders, including trichotillomania (hair-pulling disorder) and excoriation (skin picking) disorder, typically emerge in early adolescence, but little is known about the clinical characteristics and treatment outcomes of these disorders in young people, particularly in real-world clinical settings. Participants were 63 children and adolescents (51 girls; age range 9-17) with a diagnosis of trichotillomania (n = 33) and/or skin-picking disorder (n = 33) attending a specialist outpatient clinic in Stockholm, Sweden. Demographic and clinical characteristics were gathered at the initial assessment. Of the 63 assessed youths, 56 received manual-based behavior therapy mainly focusing on habit reversal training, which was combined with medication when deemed appropriate. The mean clinician-reported trichotillomania and skin-picking disorder symptom severity at baseline (n = 63) was in the moderate range. We observed high rates of psychiatric comorbidity (63.5%) and use of psychiatric medication (54.8%). For the 56 individuals undertaking treatment at the clinic, mixed-effects regression models showed a significant decrease in symptom severity from baseline to posttreatment, with gains maintained up to the 12-month follow-up. Substantial and durable improvements were also seen on self-reported symptoms, self-reported depression, and global functioning. Specialist care should be made more widely available to improve the prognosis and quality of life of young people with trichotillomania and skin-picking disorder.

Recent advances in trichotillomania: a narrative review.

Trichotillomania, defined as the compulsive pulling out of one's hair, is a psychocutaneous condition associated with functional impairment and decreased quality of life. The pathophysiology of trichotillomania is poorly understood and likely multifactorial, involving alterations in both neural activity and cognitive function. Behavioral treatment options for trichotillomania are limited and are often only modestly effective. Moreover, there are no medications currently approved by the U.S. Food and Drug Administration for its treatment. The gaps in knowledge regarding the neurological underpinnings and behavioral markers of trichotillomania and effective treatment options for it highlight the importance of ongoing research in this field. For this narrative review, PubMed was searched to identify articles related to trichotillomania published until July 2023. Recent advances in research on trichotillomania pathophysiology, diagnosis, clinical associations, and treatment are presented, with particular focus on how this condition uniquely spans the disciplines of both psychiatry and dermatology.

Clinical characteristics of trichotillomania.

BACKGROUND: Trichotillomania is a common psychiatric disorder classified as an obsessive-compulsive and related condition in DSM-5. Despite being first described in the 1800s, little is known about its phenomenology and clinical presentation. Most information about trichotillomania is based on small samples. METHODS: Clinical and demographic data were collected from 858 individuals with trichotillomania who participated in research studies that used in-person assessments with validated instruments. RESULTS: A total of 858 adolescents and adults (mean age 29.3; range 11 to 65; 89.9% female) were recruited. The peak age of symptom onset was 11 to 15, and most affected individuals (93.5%) had symptom onset before age 20. Individuals reported pulling from several body sites, and the most frequent triggers were stress and the feel of their hair. Comorbidities included major depressive disorder, generalized anxiety disorder, and skin picking disorder. Most individuals with trichotillomania (61.7%) previously had received treatment. Among those who had received treatment, more individuals had received medication (43.4%) than psychotherapy (33.0%). CONCLUSIONS: This study sheds new light on the clinical presentation and phenomenology of trichotillomania. Results highlight the need for further research into its clinical presentation, longitudinal course, and optimal treatment approaches.

Trichotillomania: a perspective synthesised from neuroscience and lived experience.

Trichotillomania, or hair-pulling disorder, is one of a family of disorders called body-focused repetitive behaviours (BFRBs), which also include disordered skin-picking (dermotillomania) and nail-biting (onychophagia). The disorders affect 1%-2% of the population, cause high levels of distress and have high levels of comorbidity with other psychiatric diagnoses. The key facts and figures are briefly reviewed and some important points are further explored: (1) BFRBs are associated with psychological distress, but are distinct from other diagnoses, (2) The pathological behaviours mirror excessive self-grooming behaviours in other species, and may relate to immune-system mediated feedback loops, and (3) The resulting behaviours are stigmatised and cause intense shame and isolation for those who suffer, which might in itself maintain the feedback loop. These observations lead to the hypothesis that the core disorder is one of pathological grooming, which may have a basis in an immune response, with shame being both a consequence and a maintainer of the disorder. The major barrier to testing the hypotheses and potential interventions remains the stigma that keeps these disorders, and those who suffer from them, in the shadows.

Habit-reversal training: a psychotherapeutic approach in treating body-focused repetitive behaviour disorders.

Body-focused repetitive behaviours (BFRBs) are recurrent, compulsive, destructive behaviours directed towards the body. Although studies have demonstrated a 12-14% prevalence rate, researchers found that dermatologists and psychiatrists show a lack of knowledge regarding psychodermatology resources and information about BFRB disorders (BFRBDs) such as trichotillomania (TTM). There is limited research about treatments including ones investigating the clinical applications of various self-help training such as decoupling (DC) and DC in sensu (DC-is) as well as about habit-reversal training (HRT). HRT is a five-component behavioural intervention that aims to develop a competing response to a specific unwanted behaviour. Studies have found substantial support for HRT's efficacy in treating a variety of maladaptive repetitive behaviours including onychotillomania, TTM, skin-picking disorder and chronic cheek biting. Additionally, many psychotherapies can augmented HRT. Psychotherapies include acceptance and commitment therapy, dialectical behaviour therapy, psychodynamic psychotherapy, mindfulness mediation and the cognitive psychophysiological model. A recently investigated variant of HRT, DC-is, resulted in consistently satisfactory objective and subjective improvement for treating BFRBDs, and HRT showed good subjective but poor objective improvement compared with standard DC. HRT and HRT variants are effective therapeutic treatments for BFRBDs; however, further randomized double-blinded and placebo-controlled trials are required to examine HRT's therapeutic profile.

The role of psychological flexibility in acceptance-enhanced behavior therapy for trichotillomania: Moderation and mediation findings.

Trichotillomania is characterized by recurrent pulling out of one's hair, leading to significant hair loss and accompanied by clinically significant distress and/or functional impairment. The current study used data from a randomized controlled trial comparing the effectiveness of acceptance-enhanced behavior therapy (AEBT) to psychoeducation plus supportive therapy (PST; active control) for trichotillomania in an adult sample. The objectives were to examine the moderating and mediating influence of trichotillomania-specific psychological flexibility in treatment for trichotillomania. Participants with lower baseline flexibility performed better in AEBT than PST in terms of greater symptom reduction and quality of life. Lower baseline flexibility also predicted higher likelihood of disorder recovery in AEBT relative to PST. In addition, relative to PST, symptom reduction in AEBT was mediated by psychological flexibility, controlling for anxiety and depression. These findings suggest that psychological flexibility is a relevant process of change in the treatment of trichotillomania. Clinical implications and directions for future research are discussed.

Addressing body-focused repetitive behaviors in the dermatology practice.

Dermatologists are often the first to treat the medical consequences of body-focused repetitive behaviors (BFRBs) such as hair pulling, skin picking, and others. BFRBs are still under-recognized, and effectiveness of treatments is known only in limited circles. Patients exhibit varied presentations of BFRBs and repeatedly engage in these despite the physical and functional impairments. Dermatologists are uniquely placed to guide patients lacking knowledge about BFRBs and experiencing stigma, shame, and isolation. We provide an overview of the current understanding of the nature and management of BFRBs. Clinical suggestions for diagnosing and educating patients about their BFRBs and resources for patients to seek support are shared. Most importantly, with patients' readiness for change, dermatologists can guide patients toward specific resources for self-monitoring their ABC (antecedents, behaviors, consequences) cycles of BFRBs and recommend specialized treatment options.

Duodenal diastatic perforation due to double gastric and jejunal trichobezoar in a patient with Rapunzel syndrome.

Rapunzel syndrome is a rare clinical entity in which a trichobezoar is produced by the ingestion of hair at the gastric level, extending in the form of a tail towards the duodenum. It occurs in young patients with trichotillomania and trichophagia. We present the case of a 24-year-old woman with a history of anxiety without treatment, who for 10 years presented trichotillomania and trichophagia, producing a picture of intestinal obstruction that required surgical intervention, evidencing a giant Trichobezoar throughout the gastric cavity and one jejunum associated with diastatic perforation. duodenal.

Sociodemographic variables, clinical characteristics, and treatments in children with trichotillomania in terms of age and gender: a multicenter study.

OBJECTIVE: Although trichotillomania (TTM) is a common, typically pediatric-onset disorder, data on the phenomenology of TTM in children, accompanying comorbid psychiatric disorders, and treatment options are extremely limited. In our study, it was aimed to investigate these variables and related factors in patients undergoing psychiatric evaluation and follow-up. METHOD: The study included 79 children and adolescents between the ages of 4 and 17 who were diagnosed with TTM and followed up in four different Child and Adolescent Psychiatry outpatient clinics between 2015 and 2020. The sociodemographic characteristics of these patients, clinical features of the disease, comorbid psychiatric disorders, and treatment approaches have been studied. RESULTS: Our results showed that TTM was more common in girls, hair and eyebrow plucking was the most common, and symptoms and features accompanying TTM changed with age, but not with gender. Again, 79.7% of these children had at least one psychiatric comorbid disorder (most common being anxiety disorders and Attention Deficit/Hyperactivity Disorder), comorbidity was closely related to TTM severity, 93.7% used at least one pharmacotherapeutic agent, and positive response rates to treatment were found to be low. Moreover, TTM severity was found to increase with age and disease duration. CONCLUSION: Study findings support that clinical presentation, disease severity and comorbidity rates may change with age in children and adolescents with TTM, and early intervention is important to prevent clinical progression/worsening and mental health sequela.

Acceptance-enhanced behavior therapy for trichotillomania in adults: A randomized clinical trial.

Given the limited treatment options for trichotillomania (TTM), or Hair Pulling Disorder, this large randomized clinical trial evaluated the efficacy of acceptance-enhanced behavior therapy for TTM (AEBT-TTM) in reducing TTM severity relative to psychoeducation and supportive therapy (PST). Eighty-five adults (78 women) with TTM received 10 sessions (over 12 weeks) of either AEBT-TTM or PST. Independent evaluators masked to treatment assignment assessed participants at baseline (week 0), midpoint (week 6), and endpoint (week 12). Consistent with a priori hypotheses, 64% of the adults treated with AEBT-TTM were classified as clinical responders at post-treatment relative to 38% treated with PST. Clinical responders were identified by a score of 1 or 2 on the Clinical Global Impressions-Improvement (CGI-I) scale. Relative to the PST group, the AEBT-TTM group demonstrated significantly greater pre-to post-treatment reductions on the self-report Massachusetts General Hospital-Hairpulling Scale (MGH-HS) and the evaluator-rated National Institute of Mental Health Trichotillomania Severity Scale (NIMH-TSS). There were no significant post-treatment group differences on the Clinical Global Impressions-Severity (CGI-S) scale, or rate of TTM diagnoses. Results suggest AEBT-TTM provides greater treatment benefit than PST. Future research should continue to investigate AEBT-TTM along with mediators and moderators of its efficacy.

Characteristics and treatment seeking in an adult Hispanic population with trichotillomania and skin picking disorder.

This study reports on characteristics of trichotillomania (TTM) and skin picking disorder (SPD) in an international Hispanic sample of adults. The survey was distributed online globally to a Hispanic population with TTM and SPD. 166 Hispanic adults with TTM (n = 127) or SPD (n = 39) reported moderate levels of symptom severity and low or very low quality of life. Anxiety disorders and OCD were common comorbidities. Hispanic adults with TTM and SPD were more impulsive and compulsive compared to non-Hispanic speaking adults (n = 92). Of the 166 subjects, 129 (77.7%) reported previously seeking treatment. When asked about the challenges they faced in seeking help, 67 (40.4%) identified a lack of therapists, psychologists, and psychiatrists who were knowledgeable about these disorders.

[Obsessive-compulsive and related disorders according to ICD-11 and DSM-5 : With brief consideration of the new obsessive-compulsive disorders olfactory reference disorder and hypochondriasis]. / Zwangsspektrumsstörungen nach ICD-11 und DSM-5 : Mit kurzer Betrachtung der neuen Zwangsspektrumsstörungsbilder "olfactory reference disorder" und Hypochondrie.

This article summarizes the current state of research with respect to the new obsessive-compulsive and related disorders (OCRD) grouping according to the International Statistical Classification of Diseases and Related Health Problems (ICD-11) and the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). The ICD-11 grouping of OCRD is based on common clinical features, such as repetitive undesired thoughts and repetitive behavior and is supported by the literature and empirical data from the fields of imaging and genetics. The disorders in this grouping in ICD-11 include obsessive-compulsive disorder, pathological hoarding, body dysmorphic disorder, trichotillomania, excoriation disorder, and as new disorders differing to DSM­5, hypochondriasis, olfactory reference disorder and Tourette syndrome. The aim of the OCRD grouping is an improvement of the diagnostics and appropriate treatment strategies as well as a further stimulation of research. The new disorders olfactory reference disorder and hypochondriasis are presented and discussed.

[Trichotillomania].

Trichotillomania (TTM) is associated with great psychosocial impairment and reduced quality of life and the lifetime prevalence is 1-3 %. The purpose of this review is to give an up-to-date overview of TTM. It describes the genesis and epidemiology of trichotillomania (TTM), including prevalence in terms of age and gender. The knowledge on the aetiology, phenomenology, and comorbidity of TTM is reviewed. The state of treatment options and implications, the effect of these and the clinical and research related perspectives are presented.

Neural basis of associative learning in Trichotillomania and skin-picking disorder.

Disorders such as Trichotillomania (TTM) and skin-picking disorder (SPD) are associated with reduced flexibility and increased internally focused attention. While the basal ganglia have been hypothesized to play a key role, the mechanisms underlying learning and flexible accommodation of new information is unclear. Using a Bayesian Learning Model, we evaluated the neural basis of learning and accommodation in individuals with TTM and/or SPD. Participants were 127 individuals with TTM and/or SPD (TTM/SPD) recruited from three sites (age 18-57, 84% female) and 26 healthy controls (HC). During fMRI, participants completed a shape-button associative learning and reversal fMRI task. Above-threshold clusters were identified where the Initial Learning-Reversals BOLD activation contrast differed significantly (p < .05 FDR-corrected) between the two groups. A priori, effects were anticipated in predefined ROIs in bilateral basal ganglia, with exploratory analyses in the hippocampus, dorsolateral prefrontal cortex (dlPFC), and dorsal anterior cingulate cortex (dACC). Relative to HC, individuals with TTM/SPD demonstrated reduced activation during initial learning compared to reversal learning in the right basal ganglia. Similarly, individuals with TTM/SPD demonstrated reduced activation during initial learning compared to reversal learning in several clusters in the dlPFC and dACC compared to HC. Individuals with TTM/SPD may form or reform visual stimulus-motor response associations through different brain mechanisms than healthy controls. The former exhibit altered activation within the basal ganglia, dlPFC, and dACC during an associative learning task compared to controls, reflecting reduced frontal-subcortical activation during initial learning. Future work should determine whether these neural deficits may be restored with targeted treatment.