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Id 6376446f-7f55-4aca-99b1-2437ae486c53
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  • (Schröder et al., 2017)
Initial Source
Dv Limitations • Use of a non-validated outcome scale (A-MISO-S). • No blinded raters; symptom severity rated by therapists. • Open-label design with waitlist control (not an RCT). • No follow-up assessment; long-term effects unknown. • No measure of overall functional improvement. • Reliance on qualitative patient feedback for therapy evaluation.
Dv Future Directions • Conduct RCTs with validated outcome measures. • Include functional outcome assessments and longer follow-up periods. • Determine which specific CBT components are most effective. • Examine personality traits and types/quantity of triggers as potential moderators of treatment response.
Dv Relevance • this study evaluates the efficacy of CBT and investigate the treatment outcome predictive power of clinical and demographic characteristics. • an early study showing the effectiveness of CBT • claims to be the first treatment study for Misophonia

Cognitive behavioral therapy is effective in misophonia: An open trial

Status:: #status/Bare-bones-review


Metadata


Abstract

Background: Misophonia is a psychiatric disorder in which ordinary human sounds like smacking or chewing provoke intense anger and disgust. Despite the high burden of this condition, to date there is no evidence-based treatment available. In this study we evaluated the efficacy of cognitive behavioral therapy (CBT) and investigated whether clinical or demographic characteristics predicted treatment response.
Methods: Ninety patients with misophonia received eight bi-weekly group CBT sessions. Treatment response was defined as a Clinical Global Impression – Improvement Scale (CGI-I) score at endpoint of 1 or 2 (very much or much improved) and a 30% or greater reduction on the Amsterdam Misophonia Scale (A-MISO-S), a measure of the severity of misophonia symptoms.
Results: Following treatment 48% (N=42) of the patients showed a significant reduction of misophonia symptoms. Severity of misophonia and the presence of disgust were positive predictors of treatment response. Limitations: The A-MISO-S is not a validated scale. Furthermore, this was an open-label study with a waiting list control condition.
Conclusions: This is the first treatment study for misophonia. Our results suggest that CBT is effective in half of the patients.



Article Review table

Background/Purpose Background-
• while there is a great burden to being misophonic, there is little evidence on effective treatment methods.
• this study evaluates the efficacy of CBT and investigate the treatment outcome predictive power of clinical and demographic characteristics.
• Misophonia is an underrecognized psychiatric condition that severely impacts social and occupational functioning.
• Patients experience disproportionate anger or disgust toward specific repetitive human-generated sounds.
• Prior studies lacked validated measures and included only anecdotal or case report-level evidence for treatment.
• CBT had shown promise in preliminary cases, but robust, evidence-based treatments were missing.
Purpose-
• Primary: Evaluate the efficacy of group CBT for misophonia.
• Secondary: Identify clinical or demographic predictors of treatment response.
Participants/samples • N = 90 adult patients (65F, 25M), mean age = 35.8 years, mean symptom duration = 23.2 years.
• Excluded: substance dependence, bipolar disorder, autism spectrum disorders, psychosis.
• Recruited from an outpatient psychiatric clinic (AMC, University of Amsterdam).
• Diagnostic confirmation conducted by expert psychiatrists.
Measures • A-MISO-S: Severity of misophonia (0–24), used at T0, T1, and T2.
• CGI-I: Post-treatment improvement rated by clinicians.
• SCL-90: General psychopathology index.
• Additional symptom characterizations: triggered emotion (anger vs. anger+disgust), presence of irritability to ambient sounds.
Procedures stimuli
• Personal audio-visual clips of misophonic triggers created and manipulated using software (Audacity).
• Mood boards reflecting emotional response to misophonia.
Task/Experiment
• 8-session group CBT (some groups had 7 sessions due to logistics).
• Techniques:
• Task concentration training (e.g. shifting attention in misophonic situations).
• Counterconditioning (pairing misophonic triggers with positive imagery).
• Stimulus manipulation (modifying trigger sounds).
• Relaxation training (to reduce physiological arousal).
• Conducted in groups of 6–9 patients by experienced CBT clinicians.
Results • 48% (N=42) met criteria for treatment response (CGI-I score of 1 or 2 + ≥30% reduction on A-MISO-S).
• 9% (N=8) reached symptom remission.
• Mean A-MISO-S decreased from 13.6 (T0) to 9.1 (T2); no significant change during waitlist period.
• Higher baseline A-MISO-S scores significantly predicted greater symptom reduction.
• The presence of disgust (vs. anger only) significantly predicted treatment response (OR = 2.576, p = .038).
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Discussion/Limits Conclusion-
• Group CBT is an effective treatment for misophonia in ~50% of patients.
• Key therapeutic techniques (counterconditioning, stimulus manipulation, etc.) target misophonia-specific symptom dimensions.
• Higher initial symptom severity and presence of disgust were associated with better outcomes.

Limitations:: • Use of a non-validated outcome scale (A-MISO-S).
• No blinded raters; symptom severity rated by therapists.
• Open-label design with waitlist control (not an RCT).
• No follow-up assessment; long-term effects unknown.
• No measure of overall functional improvement.
• Reliance on qualitative patient feedback for therapy evaluation.
Future Directions:: • Conduct RCTs with validated outcome measures.
• Include functional outcome assessments and longer follow-up periods.
• Determine which specific CBT components are most effective.
• Examine personality traits and types/quantity of triggers as potential moderators of treatment response.
Relevance:: • this study evaluates the efficacy of CBT and investigate the treatment outcome predictive power of clinical and demographic characteristics.
• an early study showing the effectiveness of CBT
• claims to be the first treatment study for Misophonia


My notes

Key Terms


Misc Notes

Therapeutic Component Effectiveness (from patient feedback):

Treatment Duration/Frequency:

Heterogeneity:

Model Development:

Zettlekasten

Schroder 2017 findings on the use of CBT to treat Misophonia