Zaburzenie dysmorfii ciała
Rokowania, prognozy i postęp choroby

Zaburzenie dysmorfii ciała (BDD) charakteryzuje się przewlekłym przebiegiem z niskim wskaźnikiem pełnej remisji – 0,09 w ciągu roku i 0,20 w ciągu czterech lat, a także wysokim ryzykiem nawrotów (do 0,42 pełnego nawrotu w cztery lata). Czynniki predykcyjne przewlekłości to większe nasilenie objawów na początku leczenia, dłuższy czas trwania choroby oraz wiek dorosły. Nieleczone BDD prowadzi do pogorszenia stanu psychospołecznego, nasilonej depresji i zwiększonego ryzyka myśli samobójczych. Terapia poznawczo-behawioralna (CBT) jest podstawową metodą leczenia, jednak nie gwarantuje pełnej remisji u wszystkich pacjentów, a nawroty po początkowej poprawie są częste.

  1. Prognoza w zaburzeniu dysmorfii ciała (BDD)
    1. Przewlekły charakter zaburzenia
    2. Ryzyko nawrotu
    3. Czynniki prognostyczne
    4. Znaczenie wiarygodności leczenia
    5. Znaczenie dla praktyki klinicznej
    6. Ograniczenia badań
    7. Kolejne rozdziały

Prognoza w zaburzeniu dysmorfii ciała (BDD)

Zaburzenie dysmorfii ciała (Body Dysmorphic Disorder, BDD) to względnie powszechne i poważne zaburzenie charakteryzujące się uporczywym, uciążliwym zaabsorbowaniem postrzeganymi defektami w wyglądzie fizycznym. BDD wiąże się z istotnym upośledzeniem funkcjonowania psychospołecznego oraz wysokim wskaźnikiem występowania depresji, hospitalizacji i myśli samobójczych.12 Poniżej przedstawiono szczegółową analizę prognozy w zaburzeniu dysmorfii ciała na podstawie dostępnych badań naukowych.

Przewlekły charakter zaburzenia

Badania prospektywne wskazują, że zaburzenie dysmorfii ciała ma tendencję do przewlekłego przebiegu. W pierwszym prospektywnym badaniu follow-up dotyczącym BDD wykazano, że w okresie jednego roku prawdopodobieństwo pełnej remisji wynosiło zaledwie 0,09, a prawdopodobieństwo częściowej remisji – 0,21. Wskaźniki remisji były niższe niż raportowane dla zaburzeń nastroju, większości zaburzeń lękowych i zaburzeń osobowości w badaniach o podobnej metodologii.3

Dłuższe, czteroletnie badanie prospektywne obserwacyjne wykazało, że skumulowane prawdopodobieństwo pełnej remisji w ciągu czterech lat wynosiło 0,20, a prawdopodobieństwo pełnej lub częściowej remisji – 0,55. Te dane potwierdzają chroniczny charakter BDD, nawet przy dłuższej obserwacji.4

Bez odpowiedniego leczenia, zaburzenie dysmorfii ciała zazwyczaj nie ustępuje samoistnie. Jeśli pozostaje nieleczone, może się z czasem pogorszyć, prowadząc do nasilenia lęku, wysokich kosztów medycznych, ciężkiej depresji, a nawet myśli i zachowań samobójczych.5

Ryzyko nawrotu

Badania wskazują na znaczne ryzyko nawrotu po osiągnięciu remisji. W rocznym badaniu około 15% pacjentów, którzy osiągnęli remisję, doświadczyło nawrotu. Jednak prawdopodobieństwo nawrotu w ciągu roku nie zostało dobrze oszacowane, ponieważ niewiele osób osiągnęło wczesną remisję i było obserwowanych pod kątem nawrotu przez pozostałą część roku.6

W czteroletnim badaniu obserwacyjnym wśród pacjentów, którzy osiągnęli częściową lub pełną remisję, skumulowane prawdopodobieństwo późniejszego pełnego nawrotu wynosiło 0,42, a prawdopodobieństwo pełnego lub częściowego nawrotu – 0,63. Te dane podkreślają wysokie ryzyko nawrotu nawet po osiągnięciu poprawy.7

Czynniki prognostyczne

Predyktory chronicznego przebiegu

Badania zidentyfikowały kilka czynników wejściowych, które mogą przewidywać bardziej przewlekły przebieg BDD:8

9

W przypadku nawrotu, czynnikami predykcyjnymi pełnego lub częściowego nawrotu były: większe nasilenie BDD na początku leczenia oraz wcześniejszy wiek pojawienia się objawów BDD.10

Predyktory odpowiedzi na terapię poznawczo-behawioralną

Terapia poznawczo-behawioralna (CBT) jest jedną z głównych metod leczenia BDD, jednak nie wszyscy pacjenci osiągają pełną remisję lub doświadczają nawrotu po początkowej poprawie.11 Badania nad predyktorami odpowiedzi na CBT w BDD wykazały pewne spójne czynniki:12

  • Motywacja/gotowość do zmiany – była szczególnie silnym predyktorem wyników leczenia; jednostkowy wzrost w skali URICA-RTC (University of Rhode Island Change Assessment Questionnaire) ponad dwukrotnie zwiększał szanse na pozytywną odpowiedź na leczenie
  • Oczekiwania wobec leczenia (mierzone kwestionariuszem Treatment Credibility/Expectancy Questionnaire)
  • Wgląd w zaburzenie (mierzony przy pomocy Brown Assessment of Beliefs Scale)

1314

Co interesujące, początkowe nasilenie objawów BDD, współwystępująca depresja i upośledzenie funkcjonowania psychospołecznego nie były istotnymi predyktorami wyników po zakończeniu leczenia. Sugeruje to, że CBT może być skuteczna nawet u osób z ciężkim przebiegiem choroby, depresją i znacznym upośledzeniem funkcjonowania.15

Predyktory remisji w terapii internetowej (ICBT)

Badania wykorzystujące metody uczenia maszynowego do przewidywania wyników terapii internetowej CBT dla BDD zidentyfikowały kilka istotnych predyktorów:16

  • Objawy depresyjne
  • Wiarygodność leczenia
  • Sojusz terapeutyczny
  • Początkowe nasilenie BDD

17

Modele uczenia maszynowego typu random forest poprawnie sklasyfikowały od 61% do 78% przypadków, wykazując relatywnie większą czułość w wykrywaniu osób osiągających remisję niż specyficzność w prawidłowej klasyfikacji osób nieosiągających remisji.18

Znaczenie wiarygodności leczenia

Nowsze badania wykorzystujące interpretowalne uczenie maszynowe wykazały, że wiarygodność leczenia jest najsilniejszym predyktorem odpowiedzi na leczenie, przewyższającym tradycyjne markery, takie jak nasilenie objawów na początku leczenia czy współwystępowanie innych zaburzeń.19

Analizy drzew decyzyjnych zidentyfikowały konkretne progi wiarygodności (około 16 i 22 na 27-punktowej skali), które mają bezpośrednie zastosowanie w dostosowywaniu strategii terapeutycznych. Ta centralna rola wiarygodności leczenia wzmacnia pogląd, że percepcja pacjenta ma kluczowe znaczenie w określaniu wyników klinicznych.20

Implikacją tych ustaleń jest możliwość opracowania interwencji przedterapeutycznych, takich jak krótkie moduły edukacyjne lub wywiad motywacyjny, które szczególnie mają na celu podniesienie wiarygodności leczenia w oczach pacjenta.21

Znaczenie dla praktyki klinicznej

Zrozumienie, jak różne osoby odpowiadają na leczenie, zwiększy wiedzę o tym, czy CBT dla BDD może być bardziej lub mniej skuteczna dla podgrup pacjentów z BDD, co ostatecznie pozwoli klinicystom zapewnić bardziej spersonalizowane leczenie.22

Identyfikacja wiarygodnych predyktorów wyników leczenia potencjalnie pomogłaby kierować decyzjami klinicznymi i zmniejszyć liczbę niepowodzeń terapeutycznych.23 Długoterminowe leczenie podtrzymujące może również pomóc zapobiec nawrotowi objawów zaburzenia dysmorfii ciała.24

Należy zauważyć, że CBT może nie być optymalnym leczeniem dla wszystkich osób z BDD.25 Słaby wgląd związany z BDD przewiduje gorsze wyniki, co jest zgodne z wcześniejszymi badaniami zarówno w BDD, jak i w zaburzeniu obsesyjno-kompulsyjnym.26

Ograniczenia badań

Badania nad prognozą w BDD mają pewne ograniczenia. Ponieważ większość badanych pacjentów otrzymywała leczenie w zakresie zdrowia psychicznego w okresie obserwacji, nie jest jasne, jak bardzo wyniki można uogólnić na nieleczone osoby w społeczeństwie.27

Meta-analiza siedmiu randomizowanych badań kontrolowanych CBT dla BDD nie znalazła wiarygodnych predyktorów wyniku CBT dla BDD w meta-regresji, która uwzględniała nasilenie BDD przed leczeniem, współchorobowość, wgląd, liczbę sesji CBT i godzin terapii, stosowanie leków, wcześniejsze zabiegi kosmetyczne, płeć, wiek i czas trwania BDD.28 Te niespójności podkreślają potrzebę dalszych badań.

Kolejne rozdziały

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  1. 10.04.2026
  2. www.leksykon.com.pl

Materiały źródłowe

  • #1 Predictors of Response to Cognitive-Behavioral Therapy for Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6582981/
    Body dysmorphic disorder (BDD) is a common and distressing or impairing preoccupation with a perceived defect in physical appearance. […] BDD is associated with substantial psychosocial impairment and high rates of depression, hospitalization, and suicidality. […] Treatment was delivered in weekly individual sessions over 18-22 weeks. Results indicated that greater motivation/readiness to change (University of Rhode Island Change Assessment Questionnaire), greater treatment expectancy (Treatment Credibility/Expectancy Questionnaire), and better baseline BDD-related insight (Brown Assessment of Beliefs Scale) significantly predicted better CBT response at post-treatment. […] Baseline BDD symptom severity and depression did not predict outcome, suggesting that even patients with more severe BDD and depressive symptoms can benefit from CBT for BDD.
  • #2 Predicting Treatment Response in Body Dysmorphic Disorder with Interpretable Machine Learning
    https://arxiv.org/html/2503.10741v1
    Body Dysmorphic Disorder (BDD) is a highly prevalent and frequently underdiagnosed condition characterized by persistent, intrusive preoccupations with perceived defects in physical appearance. […] Across the various models investigated, treatment credibility emerged as the most potent predictor, surpassing traditional markers such as baseline symptom severity or comorbid conditions. […] Although these interventions are effective for a substantial subset of patients, a considerable number of individuals do not achieve full remission or experience relapse following initial improvements. […] The central role of treatment credibility observed in our study reinforces the notion that patient perceptions are pivotal in determining clinical outcomes. […] A key implication of these findings is the potential to develop pre-treatment interventions such as brief educational modules or motivational interviewing that specifically aim to elevate treatment credibility.
  • #3 A 12-Month Follow-Up Study of the Course of Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC1613833/
    This study investigated the course of body dysmorphic disorder (BDD), a relatively common and severe disorder, in the first prospective follow-up study, to the authors knowledge. […] Over 1 year, the probability of full remission from BDD was only 0.09, and the probability of partial remission was 0.21. […] These findings indicate that BDD tends to be chronic. Remission probabilities were lower than reported for mood disorders, most anxiety disorders, and personality disorders in studies with similar methods. […] The remission probabilities found in this study are lower than those for most other disorders in studies of illness course with nearly identical methods to ours. […] In the present study, 15% of the remitting subjects subsequently relapsed. However, the probability of relapse at 1 year is not well estimated because few subjects remitted early and were followed for relapse for the remainder of the year.
  • #4 A 4-year prospective observational follow-up study of course and predictors of course in body dysmorphic disorder | Psychological Medicine | Cambridge Core
    https://www.cambridge.org/core/journals/psychological-medicine/article/4year-prospective-observational-followup-study-of-course-and-predictors-of-course-in-body-dysmorphic-disorder/C374FF6A319B722E771AD0A59E84FF28
    Over 4 years, the cumulative probability was 0.20 for full remission and 0.55 for full or partial remission from BDD. […] A lower likelihood of full or partial remission was predicted by more severe BDD symptoms at intake, longer lifetime duration of BDD, and being an adult. […] Among partially or fully remitted subjects, the cumulative probability was 0.42 for subsequent full relapse and 0.63 for subsequent full or partial relapse. […] More severe BDD at intake and earlier age at BDD onset predicted full or partial relapse. […] In this observational study, BDD tended to be chronic. Several intake variables predicted greater chronicity of BDD.
  • #5 Body dysmorphic disorder – Symptoms and causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/body-dysmorphic-disorder/symptoms-causes/syc-20353938
    Body dysmorphic disorder usually doesn’t get better on its own. If left untreated, it may get worse over time, leading to anxiety, extensive medical bills, severe depression, and even suicidal thoughts and behavior. […] Long-term maintenance treatment also may help prevent a relapse of body dysmorphic disorder symptoms.
  • #6 A 12-Month Follow-Up Study of the Course of Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC1613833/
    This study investigated the course of body dysmorphic disorder (BDD), a relatively common and severe disorder, in the first prospective follow-up study, to the authors knowledge. […] Over 1 year, the probability of full remission from BDD was only 0.09, and the probability of partial remission was 0.21. […] These findings indicate that BDD tends to be chronic. Remission probabilities were lower than reported for mood disorders, most anxiety disorders, and personality disorders in studies with similar methods. […] The remission probabilities found in this study are lower than those for most other disorders in studies of illness course with nearly identical methods to ours. […] In the present study, 15% of the remitting subjects subsequently relapsed. However, the probability of relapse at 1 year is not well estimated because few subjects remitted early and were followed for relapse for the remainder of the year.
  • #7 A 4-year prospective observational follow-up study of course and predictors of course in body dysmorphic disorder | Psychological Medicine | Cambridge Core
    https://www.cambridge.org/core/journals/psychological-medicine/article/4year-prospective-observational-followup-study-of-course-and-predictors-of-course-in-body-dysmorphic-disorder/C374FF6A319B722E771AD0A59E84FF28
    Over 4 years, the cumulative probability was 0.20 for full remission and 0.55 for full or partial remission from BDD. […] A lower likelihood of full or partial remission was predicted by more severe BDD symptoms at intake, longer lifetime duration of BDD, and being an adult. […] Among partially or fully remitted subjects, the cumulative probability was 0.42 for subsequent full relapse and 0.63 for subsequent full or partial relapse. […] More severe BDD at intake and earlier age at BDD onset predicted full or partial relapse. […] In this observational study, BDD tended to be chronic. Several intake variables predicted greater chronicity of BDD.
  • #8 A 4-year prospective observational follow-up study of course and predictors of course in body dysmorphic disorder | Psychological Medicine | Cambridge Core
    https://www.cambridge.org/core/journals/psychological-medicine/article/4year-prospective-observational-followup-study-of-course-and-predictors-of-course-in-body-dysmorphic-disorder/C374FF6A319B722E771AD0A59E84FF28
    Over 4 years, the cumulative probability was 0.20 for full remission and 0.55 for full or partial remission from BDD. […] A lower likelihood of full or partial remission was predicted by more severe BDD symptoms at intake, longer lifetime duration of BDD, and being an adult. […] Among partially or fully remitted subjects, the cumulative probability was 0.42 for subsequent full relapse and 0.63 for subsequent full or partial relapse. […] More severe BDD at intake and earlier age at BDD onset predicted full or partial relapse. […] In this observational study, BDD tended to be chronic. Several intake variables predicted greater chronicity of BDD.
  • #9 A 4-year prospective observational follow-up study of course and predictors of course in body dysmorphic disorder | Psychological Medicine | Cambridge Core
    https://www.cambridge.org/core/journals/psychological-medicine/article/4year-prospective-observational-followup-study-of-course-and-predictors-of-course-in-body-dysmorphic-disorder/C374FF6A319B722E771AD0A59E84FF28
    Over 4 years, the cumulative probability was 0.20 for full remission and 0.55 for full or partial remission from BDD. […] A lower likelihood of full or partial remission was predicted by more severe BDD symptoms at intake, longer lifetime duration of BDD, and being an adult. […] Among partially or fully remitted subjects, the cumulative probability was 0.42 for subsequent full relapse and 0.63 for subsequent full or partial relapse. […] More severe BDD at intake and earlier age at BDD onset predicted full or partial relapse. […] In this observational study, BDD tended to be chronic. Several intake variables predicted greater chronicity of BDD.
  • #10 A 4-year prospective observational follow-up study of course and predictors of course in body dysmorphic disorder | Psychological Medicine | Cambridge Core
    https://www.cambridge.org/core/journals/psychological-medicine/article/4year-prospective-observational-followup-study-of-course-and-predictors-of-course-in-body-dysmorphic-disorder/C374FF6A319B722E771AD0A59E84FF28
    Over 4 years, the cumulative probability was 0.20 for full remission and 0.55 for full or partial remission from BDD. […] A lower likelihood of full or partial remission was predicted by more severe BDD symptoms at intake, longer lifetime duration of BDD, and being an adult. […] Among partially or fully remitted subjects, the cumulative probability was 0.42 for subsequent full relapse and 0.63 for subsequent full or partial relapse. […] More severe BDD at intake and earlier age at BDD onset predicted full or partial relapse. […] In this observational study, BDD tended to be chronic. Several intake variables predicted greater chronicity of BDD.
  • #11 Predicting Treatment Response in Body Dysmorphic Disorder with Interpretable Machine Learning
    https://arxiv.org/html/2503.10741v1
    Body Dysmorphic Disorder (BDD) is a highly prevalent and frequently underdiagnosed condition characterized by persistent, intrusive preoccupations with perceived defects in physical appearance. […] Across the various models investigated, treatment credibility emerged as the most potent predictor, surpassing traditional markers such as baseline symptom severity or comorbid conditions. […] Although these interventions are effective for a substantial subset of patients, a considerable number of individuals do not achieve full remission or experience relapse following initial improvements. […] The central role of treatment credibility observed in our study reinforces the notion that patient perceptions are pivotal in determining clinical outcomes. […] A key implication of these findings is the potential to develop pre-treatment interventions such as brief educational modules or motivational interviewing that specifically aim to elevate treatment credibility.
  • #12 Predictors of Response to Cognitive-Behavioral Therapy for Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6582981/
    Body dysmorphic disorder (BDD) is a common and distressing or impairing preoccupation with a perceived defect in physical appearance. […] BDD is associated with substantial psychosocial impairment and high rates of depression, hospitalization, and suicidality. […] Treatment was delivered in weekly individual sessions over 18-22 weeks. Results indicated that greater motivation/readiness to change (University of Rhode Island Change Assessment Questionnaire), greater treatment expectancy (Treatment Credibility/Expectancy Questionnaire), and better baseline BDD-related insight (Brown Assessment of Beliefs Scale) significantly predicted better CBT response at post-treatment. […] Baseline BDD symptom severity and depression did not predict outcome, suggesting that even patients with more severe BDD and depressive symptoms can benefit from CBT for BDD.
  • #13 Predictors of Response to Cognitive-Behavioral Therapy for Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6582981/
    Body dysmorphic disorder (BDD) is a common and distressing or impairing preoccupation with a perceived defect in physical appearance. […] BDD is associated with substantial psychosocial impairment and high rates of depression, hospitalization, and suicidality. […] Treatment was delivered in weekly individual sessions over 18-22 weeks. Results indicated that greater motivation/readiness to change (University of Rhode Island Change Assessment Questionnaire), greater treatment expectancy (Treatment Credibility/Expectancy Questionnaire), and better baseline BDD-related insight (Brown Assessment of Beliefs Scale) significantly predicted better CBT response at post-treatment. […] Baseline BDD symptom severity and depression did not predict outcome, suggesting that even patients with more severe BDD and depressive symptoms can benefit from CBT for BDD.
  • #14 Predictors of Response to Cognitive-Behavioral Therapy for Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6582981/
    Readiness/motivation to change was a particularly powerful predictor of treatment outcome; a single unit of increase in the URICA-RTC more than doubled the odds of treatment response. […] Initial BDD symptom severity, depression, and impairment in psychosocial functioning were not significant predictors of post-treatment outcome, consistent with the results from a recent meta-analysis and the trial, in which baseline depression did not predict response. […] Taken together, CBT for BDD is often efficacious even for those who are severely ill, depressed, and functionally impaired (none of which significantly predicted treatment outcome).
  • #15 Predictors of Response to Cognitive-Behavioral Therapy for Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6582981/
    Readiness/motivation to change was a particularly powerful predictor of treatment outcome; a single unit of increase in the URICA-RTC more than doubled the odds of treatment response. […] Initial BDD symptom severity, depression, and impairment in psychosocial functioning were not significant predictors of post-treatment outcome, consistent with the results from a recent meta-analysis and the trial, in which baseline depression did not predict response. […] Taken together, CBT for BDD is often efficacious even for those who are severely ill, depressed, and functionally impaired (none of which significantly predicted treatment outcome).
  • #16 Predictors of remission from body dysmorphic disorder after internet-delivered cognitive behavior therapy: a machine learning approach | BMC Psychiatry | Full Text
    https://bmcpsychiatry.biomedcentral.com/articles/10.1186/s12888-020-02655-4
    Previous attempts to identify predictors of treatment outcomes in body dysmorphic disorder (BDD) have yielded inconsistent findings. […] The results provide initial support for the clinical utility of machine learning approaches in the prediction of outcomes of patients with BDD. […] Identification of reliable predictors of treatment outcome would potentially help guide clinical decision making and reduce the number of treatment failures. […] Co-morbid depression, high baseline severity of BDD symptoms, and longer duration of BDD, have been found to predict outcomes of CBT for BDD in some studies, but a recent meta-analysis on CBT for BDD did not find any predictors that consistently predicted outcomes across studies. […] The most important predictors were depressive symptoms, treatment credibility, working alliance, and initial severity of BDD.
  • #17 Predictors of remission from body dysmorphic disorder after internet-delivered cognitive behavior therapy: a machine learning approach | BMC Psychiatry | Full Text
    https://bmcpsychiatry.biomedcentral.com/articles/10.1186/s12888-020-02655-4
    Previous attempts to identify predictors of treatment outcomes in body dysmorphic disorder (BDD) have yielded inconsistent findings. […] The results provide initial support for the clinical utility of machine learning approaches in the prediction of outcomes of patients with BDD. […] Identification of reliable predictors of treatment outcome would potentially help guide clinical decision making and reduce the number of treatment failures. […] Co-morbid depression, high baseline severity of BDD symptoms, and longer duration of BDD, have been found to predict outcomes of CBT for BDD in some studies, but a recent meta-analysis on CBT for BDD did not find any predictors that consistently predicted outcomes across studies. […] The most important predictors were depressive symptoms, treatment credibility, working alliance, and initial severity of BDD.
  • #18 Predictors of remission from body dysmorphic disorder after internet-delivered cognitive behavior therapy: a machine learning approach | BMC Psychiatry | Full Text
    https://bmcpsychiatry.biomedcentral.com/articles/10.1186/s12888-020-02655-4
    The random forest model correctly classified 78% of cases. […] The random forest model correctly classified 68% of cases. […] The random forest model correctly classified 66% of cases. […] The random forest model correctly classified 61% of cases. […] The random forest models were, in general, relatively more sensitive to detecting remitters than they were specific to correctly classifying non-remitters. […] The overall performance of the model can then be summarized as the area under the receiver operating characteristics curve (AUC) and compared to chance performance. […] The results of this proof-of-concept study show that machine learning algorithms such as random forests can be potentially useful to distinguish remitters from non-remitters after ICBT for BDD and provide initial support for the utility of machine learning techniques in personalized care in the treatment of BDD.
  • #19 Predicting Treatment Response in Body Dysmorphic Disorder with Interpretable Machine Learning
    https://arxiv.org/html/2503.10741v1
    Body Dysmorphic Disorder (BDD) is a highly prevalent and frequently underdiagnosed condition characterized by persistent, intrusive preoccupations with perceived defects in physical appearance. […] Across the various models investigated, treatment credibility emerged as the most potent predictor, surpassing traditional markers such as baseline symptom severity or comorbid conditions. […] Although these interventions are effective for a substantial subset of patients, a considerable number of individuals do not achieve full remission or experience relapse following initial improvements. […] The central role of treatment credibility observed in our study reinforces the notion that patient perceptions are pivotal in determining clinical outcomes. […] A key implication of these findings is the potential to develop pre-treatment interventions such as brief educational modules or motivational interviewing that specifically aim to elevate treatment credibility.
  • #20 Predicting Treatment Response in Body Dysmorphic Disorder with Interpretable Machine Learning
    https://arxiv.org/html/2503.10741v1
    Treatment credibility is a predominant predictor, outperforming many classical clinical and demographic variables. […] Decision tree analyses have identified specific credibility thresholds (approximately 16 and 22 on a 27-point scale) that are directly applicable in tailoring therapeutic strategies.
  • #21 Predicting Treatment Response in Body Dysmorphic Disorder with Interpretable Machine Learning
    https://arxiv.org/html/2503.10741v1
    Body Dysmorphic Disorder (BDD) is a highly prevalent and frequently underdiagnosed condition characterized by persistent, intrusive preoccupations with perceived defects in physical appearance. […] Across the various models investigated, treatment credibility emerged as the most potent predictor, surpassing traditional markers such as baseline symptom severity or comorbid conditions. […] Although these interventions are effective for a substantial subset of patients, a considerable number of individuals do not achieve full remission or experience relapse following initial improvements. […] The central role of treatment credibility observed in our study reinforces the notion that patient perceptions are pivotal in determining clinical outcomes. […] A key implication of these findings is the potential to develop pre-treatment interventions such as brief educational modules or motivational interviewing that specifically aim to elevate treatment credibility.
  • #22 Predictors of Response to Cognitive-Behavioral Therapy for Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6582981/
    To our knowledge, only two prior studies have examined predictors of response to CBT in BDD. […] In addition, a recent meta-analysis of seven randomized controlled trials of CBT for BDD found no reliable predictors of CBT outcome for BDD in a meta-regression that included pre-treatment BDD severity, comorbidities, insight, number of CBT sessions and therapy hours, use of medication, previous cosmetic procedures, gender, age, and duration of BDD. […] Understanding how individuals differentially respond to treatment will increase understanding of whether CBT for BDD may be more or less efficacious for subgroups of BDD patients, ultimately permitting clinicians to provide more personalized treatment. […] CBT may not be the optimal treatment for all individuals with BDD. […] Our main model finding that poor BDD-related insight predicts poorer outcome is consistent with one prior study in BDD; two studies of OCD also found this.
  • #23 Predictors of remission from body dysmorphic disorder after internet-delivered cognitive behavior therapy: a machine learning approach | BMC Psychiatry | Full Text
    https://bmcpsychiatry.biomedcentral.com/articles/10.1186/s12888-020-02655-4
    Previous attempts to identify predictors of treatment outcomes in body dysmorphic disorder (BDD) have yielded inconsistent findings. […] The results provide initial support for the clinical utility of machine learning approaches in the prediction of outcomes of patients with BDD. […] Identification of reliable predictors of treatment outcome would potentially help guide clinical decision making and reduce the number of treatment failures. […] Co-morbid depression, high baseline severity of BDD symptoms, and longer duration of BDD, have been found to predict outcomes of CBT for BDD in some studies, but a recent meta-analysis on CBT for BDD did not find any predictors that consistently predicted outcomes across studies. […] The most important predictors were depressive symptoms, treatment credibility, working alliance, and initial severity of BDD.
  • #24 Body dysmorphic disorder – Symptoms and causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/body-dysmorphic-disorder/symptoms-causes/syc-20353938
    Body dysmorphic disorder usually doesn’t get better on its own. If left untreated, it may get worse over time, leading to anxiety, extensive medical bills, severe depression, and even suicidal thoughts and behavior. […] Long-term maintenance treatment also may help prevent a relapse of body dysmorphic disorder symptoms.
  • #25 Predictors of Response to Cognitive-Behavioral Therapy for Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6582981/
    To our knowledge, only two prior studies have examined predictors of response to CBT in BDD. […] In addition, a recent meta-analysis of seven randomized controlled trials of CBT for BDD found no reliable predictors of CBT outcome for BDD in a meta-regression that included pre-treatment BDD severity, comorbidities, insight, number of CBT sessions and therapy hours, use of medication, previous cosmetic procedures, gender, age, and duration of BDD. […] Understanding how individuals differentially respond to treatment will increase understanding of whether CBT for BDD may be more or less efficacious for subgroups of BDD patients, ultimately permitting clinicians to provide more personalized treatment. […] CBT may not be the optimal treatment for all individuals with BDD. […] Our main model finding that poor BDD-related insight predicts poorer outcome is consistent with one prior study in BDD; two studies of OCD also found this.
  • #26 Predictors of Response to Cognitive-Behavioral Therapy for Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6582981/
    To our knowledge, only two prior studies have examined predictors of response to CBT in BDD. […] In addition, a recent meta-analysis of seven randomized controlled trials of CBT for BDD found no reliable predictors of CBT outcome for BDD in a meta-regression that included pre-treatment BDD severity, comorbidities, insight, number of CBT sessions and therapy hours, use of medication, previous cosmetic procedures, gender, age, and duration of BDD. […] Understanding how individuals differentially respond to treatment will increase understanding of whether CBT for BDD may be more or less efficacious for subgroups of BDD patients, ultimately permitting clinicians to provide more personalized treatment. […] CBT may not be the optimal treatment for all individuals with BDD. […] Our main model finding that poor BDD-related insight predicts poorer outcome is consistent with one prior study in BDD; two studies of OCD also found this.
  • #27 A 12-Month Follow-Up Study of the Course of Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC1613833/
    This study has a number of limitations. Because a majority of the subjects received mental health treatment during the follow-up period, it is unclear how generalizable the results are to untreated individuals in the community. […] The present study is ongoing and will extend the results reported here.
  • #28 Predictors of Response to Cognitive-Behavioral Therapy for Body Dysmorphic Disorder
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6582981/
    To our knowledge, only two prior studies have examined predictors of response to CBT in BDD. […] In addition, a recent meta-analysis of seven randomized controlled trials of CBT for BDD found no reliable predictors of CBT outcome for BDD in a meta-regression that included pre-treatment BDD severity, comorbidities, insight, number of CBT sessions and therapy hours, use of medication, previous cosmetic procedures, gender, age, and duration of BDD. […] Understanding how individuals differentially respond to treatment will increase understanding of whether CBT for BDD may be more or less efficacious for subgroups of BDD patients, ultimately permitting clinicians to provide more personalized treatment. […] CBT may not be the optimal treatment for all individuals with BDD. […] Our main model finding that poor BDD-related insight predicts poorer outcome is consistent with one prior study in BDD; two studies of OCD also found this.

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