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Auteur Cathryn M. LEWIS |
Documents disponibles écrits par cet auteur (2)



Predicting outcomes following cognitive behaviour therapy in child anxiety disorders: the influence of genetic, demographic and clinical information / Jennifer L. HUDSON in Journal of Child Psychology and Psychiatry, 54-10 (October 2013)
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[article]
Titre : Predicting outcomes following cognitive behaviour therapy in child anxiety disorders: the influence of genetic, demographic and clinical information Type de document : Texte imprimé et/ou numérique Auteurs : Jennifer L. HUDSON, Auteur ; Kathryn J. LESTER, Auteur ; Cathryn M. LEWIS, Auteur ; Maria TROPEANO, Auteur ; Cathy CRESWELL, Auteur ; David A. COLLIER, Auteur ; Peter J. COOPER, Auteur ; Heidi J. LYNEHAM, Auteur ; Talia MORRIS, Auteur ; Ronald M. RAPEE, Auteur ; Susanna ROBERTS, Auteur ; Jennifer A. DONALD, Auteur ; Thalia C. ELEY, Auteur Article en page(s) : p.1086-1094 Langues : Anglais (eng) Mots-clés : CBT G × E anxiety disorders child anxiety disorders Index. décimale : PER Périodiques Résumé : Background Within a therapeutic gene by environment (G × E) framework, we recently demonstrated that variation in the Serotonin Transporter Promoter Polymorphism; 5HTTLPR and marker rs6330 in Nerve Growth Factor gene; NGF is associated with poorer outcomes following cognitive behaviour therapy (CBT) for child anxiety disorders. The aim of this study was to explore one potential means of extending the translational reach of G × E data in a way that may be clinically informative. We describe a ‘risk-index’ approach combining genetic, demographic and clinical data and test its ability to predict diagnostic outcome following CBT in anxious children. Method DNA and clinical data were collected from 384 children with a primary anxiety disorder undergoing CBT. We tested our risk model in five cross-validation training sets. Results In predicting treatment outcome, six variables had a minimum mean beta value of 0.5:5HTTLPR, NGF rs6330, gender, primary anxiety severity, comorbid mood disorder and comorbid externalising disorder. A risk index (range 0–8) constructed from these variables had moderate a predictive ability (AUC = .62–.69) in this study. Children scoring high on this index (5–8) were approximately three times as likely to retain their primary anxiety disorder at follow-up as compared with those children scoring 2 or less. Conclusion Significant genetic, demographic and clinical predictors of outcome following CBT for anxiety-disordered children were identified. Combining these predictors within a risk index could be used to identify which children are less likely to be diagnosis-free following CBT alone and require longer or enhanced treatment. The ‘risk-index’ approach represents one means of harnessing the translational potential of G × E data. En ligne : http://dx.doi.org/10.1111/jcpp.12092 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=212
in Journal of Child Psychology and Psychiatry > 54-10 (October 2013) . - p.1086-1094[article] Predicting outcomes following cognitive behaviour therapy in child anxiety disorders: the influence of genetic, demographic and clinical information [Texte imprimé et/ou numérique] / Jennifer L. HUDSON, Auteur ; Kathryn J. LESTER, Auteur ; Cathryn M. LEWIS, Auteur ; Maria TROPEANO, Auteur ; Cathy CRESWELL, Auteur ; David A. COLLIER, Auteur ; Peter J. COOPER, Auteur ; Heidi J. LYNEHAM, Auteur ; Talia MORRIS, Auteur ; Ronald M. RAPEE, Auteur ; Susanna ROBERTS, Auteur ; Jennifer A. DONALD, Auteur ; Thalia C. ELEY, Auteur . - p.1086-1094.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 54-10 (October 2013) . - p.1086-1094
Mots-clés : CBT G × E anxiety disorders child anxiety disorders Index. décimale : PER Périodiques Résumé : Background Within a therapeutic gene by environment (G × E) framework, we recently demonstrated that variation in the Serotonin Transporter Promoter Polymorphism; 5HTTLPR and marker rs6330 in Nerve Growth Factor gene; NGF is associated with poorer outcomes following cognitive behaviour therapy (CBT) for child anxiety disorders. The aim of this study was to explore one potential means of extending the translational reach of G × E data in a way that may be clinically informative. We describe a ‘risk-index’ approach combining genetic, demographic and clinical data and test its ability to predict diagnostic outcome following CBT in anxious children. Method DNA and clinical data were collected from 384 children with a primary anxiety disorder undergoing CBT. We tested our risk model in five cross-validation training sets. Results In predicting treatment outcome, six variables had a minimum mean beta value of 0.5:5HTTLPR, NGF rs6330, gender, primary anxiety severity, comorbid mood disorder and comorbid externalising disorder. A risk index (range 0–8) constructed from these variables had moderate a predictive ability (AUC = .62–.69) in this study. Children scoring high on this index (5–8) were approximately three times as likely to retain their primary anxiety disorder at follow-up as compared with those children scoring 2 or less. Conclusion Significant genetic, demographic and clinical predictors of outcome following CBT for anxiety-disordered children were identified. Combining these predictors within a risk index could be used to identify which children are less likely to be diagnosis-free following CBT alone and require longer or enhanced treatment. The ‘risk-index’ approach represents one means of harnessing the translational potential of G × E data. En ligne : http://dx.doi.org/10.1111/jcpp.12092 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=212 Stratifying early-onset emotional disorders: using genetics to assess persistence in young people of European and South Asian ancestry / Joanna MARTIN ; Amy SHAKESHAFT ; Lucy RIGLIN ; Frances RICE ; Cathryn M. LEWIS ; Michael C. O'DONOVAN ; Anita THAPAR in Journal of Child Psychology and Psychiatry, 65-1 (January 2024)
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[article]
Titre : Stratifying early-onset emotional disorders: using genetics to assess persistence in young people of European and South Asian ancestry Type de document : Texte imprimé et/ou numérique Auteurs : Joanna MARTIN, Auteur ; Amy SHAKESHAFT, Auteur ; Lucy RIGLIN, Auteur ; Frances RICE, Auteur ; Cathryn M. LEWIS, Auteur ; Michael C. O'DONOVAN, Auteur ; Anita THAPAR, Auteur Article en page(s) : p.42-51 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Background Depression and anxiety are the most common mental health problems in young people. Currently, clinicians are advised to wait before initiating treatment for young people with these disorders as many spontaneously remit. However, others develop recurrent disorder but this subgroup cannot be identified at the outset. We examined whether psychiatric polygenic scores (PGS) could help inform stratification efforts to predict those at higher risk of recurrence. Methods Probable emotional disorder was examined in two UK population cohorts using the emotional symptoms subscale of the Strengths and Difficulties Questionnaire (SDQ). Those with emotional disorder at two or more time points between ages 5 and 25?years were classed as ?recurrent emotional disorder? (n?=?1,643) and those with emotional disorder at one time point as having ?single episode emotional disorder? (n?=?1,435, controls n?=?8,715). We first examined the relationship between psychiatric PGS and emotional disorders in childhood and adolescence. Second, we tested whether psychiatric PGS added to predictor variables of known association with emotional disorder (neurodevelopmental comorbidity, special educational needs, family history of depression and socioeconomic status) when discriminating between single-episode and recurrent emotional disorder. Analyses were conducted separately in individuals of European and South Asian ancestry. Results Probable emotional disorder was associated with higher PGS for major depressive disorder (MDD), anxiety, broad depression, ADHD and autism spectrum disorder (ASD) in those of European ancestry. Higher MDD and broad depression PGS were associated with emotional disorder in people of South Asian ancestry. Recurrent, compared to single-episode, emotional disorder was associated with ASD and parental psychiatric history. PGS were not associated with episode recurrence, and PGS did not improve discrimination of recurrence when combined with clinical predictors. Conclusions Our findings do not support the use of PGS as a tool to assess the likelihood of recurrence in young people experiencing their first episode of emotional disorder. En ligne : https://doi.org/10.1111/jcpp.13862 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=518
in Journal of Child Psychology and Psychiatry > 65-1 (January 2024) . - p.42-51[article] Stratifying early-onset emotional disorders: using genetics to assess persistence in young people of European and South Asian ancestry [Texte imprimé et/ou numérique] / Joanna MARTIN, Auteur ; Amy SHAKESHAFT, Auteur ; Lucy RIGLIN, Auteur ; Frances RICE, Auteur ; Cathryn M. LEWIS, Auteur ; Michael C. O'DONOVAN, Auteur ; Anita THAPAR, Auteur . - p.42-51.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 65-1 (January 2024) . - p.42-51
Index. décimale : PER Périodiques Résumé : Background Depression and anxiety are the most common mental health problems in young people. Currently, clinicians are advised to wait before initiating treatment for young people with these disorders as many spontaneously remit. However, others develop recurrent disorder but this subgroup cannot be identified at the outset. We examined whether psychiatric polygenic scores (PGS) could help inform stratification efforts to predict those at higher risk of recurrence. Methods Probable emotional disorder was examined in two UK population cohorts using the emotional symptoms subscale of the Strengths and Difficulties Questionnaire (SDQ). Those with emotional disorder at two or more time points between ages 5 and 25?years were classed as ?recurrent emotional disorder? (n?=?1,643) and those with emotional disorder at one time point as having ?single episode emotional disorder? (n?=?1,435, controls n?=?8,715). We first examined the relationship between psychiatric PGS and emotional disorders in childhood and adolescence. Second, we tested whether psychiatric PGS added to predictor variables of known association with emotional disorder (neurodevelopmental comorbidity, special educational needs, family history of depression and socioeconomic status) when discriminating between single-episode and recurrent emotional disorder. Analyses were conducted separately in individuals of European and South Asian ancestry. Results Probable emotional disorder was associated with higher PGS for major depressive disorder (MDD), anxiety, broad depression, ADHD and autism spectrum disorder (ASD) in those of European ancestry. Higher MDD and broad depression PGS were associated with emotional disorder in people of South Asian ancestry. Recurrent, compared to single-episode, emotional disorder was associated with ASD and parental psychiatric history. PGS were not associated with episode recurrence, and PGS did not improve discrimination of recurrence when combined with clinical predictors. Conclusions Our findings do not support the use of PGS as a tool to assess the likelihood of recurrence in young people experiencing their first episode of emotional disorder. En ligne : https://doi.org/10.1111/jcpp.13862 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=518