pediatric anxiety disordersmedia-ns.mghcpd.org.s3.amazonaws.com/child-psychop... · strawn et al...
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Pediatric Anxiety Disorders
Erica Greenberg, M.D
Instructor at Harvard Medical School
Psychiatrist at Massachusetts General Hospital
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Anxiety Disorder
• Distress when engaging and participating in age-appropriate, normal developmental activities
• “[All anxiety disorders involve] excessive fear, avoidance of whatever is feared, and anticipation and worry when expected to encounter what is feared” p.2 Siegel and Dickstein
2012.
Siegel and Dickstein (2012) Adolesc Health, Med and Ther.
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Why Do We Treat It?
• Disruption of normal psychosocial development of children
• Increased rates of other anxiety disorders, depression, substance dependence, suicidality
• Positive benefit on the family unit and long-term
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DSM-5 Anxiety Disorders
• Separation Anxiety
Disorder
• Selective Mutism
• Specific Phobia
• Social Anxiety Disorder
(formally ‘social phobia’)
• Panic Disorder
• Agoraphobia
• Generalized Anxiety
Disorder
• Substance-Induced
Anxiety Disorder
• *School Avoidance*
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Separation Anxiety Disorder
• Developmentally inappropriate and excessive fear/anxiety regarding separation from attachment figures or home for >4w
• Need 3 of the following:– Excessive distress - Refusal to sleep alone– Worrying about safety - Physical symptoms– Refusal to go to school, etc. - Reluctance to be alone – Separation nightmares
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Social Anxiety Disorder
• Marked fear in social situations because of concerns about potential embarrassment or scrutiny by others, >6m
• In children
– With peers and not just adults*
– In addition to anxiety, will also show crying, tantrums, clinging, freezing
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Generalized Anxiety Disorder
• Chronic, excessive, uncontrollable, non-specific worry (more days than not) about multiple events / activities, >6m
• Physical symptoms (only one required in children)
– Restlessness -- Difficulty concentrating
– Fatigue -- Muscle tension
– Sleep difficulty -- Irritability
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Epidemiology
• Most prevalent psychiatric condition in youth
– Median onset before age 15
• 6-20% of children/adolescents have at least one childhood anxiety disorder
• More females than males
• Increasing rates as one ages
JAACAP Practice Parameters, 2007.
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Table of Prevalence Rates (in adolescents)
Anxiety Disorder Prevalence (%) Severe impairment (%)
Generalized anxiety disorder 2.2% 0.9%
Social anxiety disorder 9.1% 1.3%
Specific phobia 19.3% 0.6%
Panic disorder 2.3% -
Separation anxiety disorder 7.6% 0.6%
Any anxiety disorder 38% 8.3%
Adapted from: Merikangas et al (2010) JAACAP
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Pattern of Development
• Mean ages of onset
– Overlapping
– Generally see GAD and specific phobia symptoms (ages 5-6)
– Social anxiety and separation anxiety 1-2 years later
• (Then OCD)
– Panic symptoms/disorder in early teens
Costello et al (2005) Child Adolesc Psychiatric Clin N Am
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• Somatic symptoms – headache/stomachache
• Inability to recognize excessive nature
• Oppositionality/defiance (when exposed to fearful stimuli)
– Crying, irritability, anger outburst
• Personality traits: Perfectionistic, high-reassurance seeking
Reminder of Pediatric Presentation
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Anxiety Disorder Comorbidities
• Anxiety begets anxiety
• Other anxiety disorders, depression, ADHD, oppositional defiant disorder (ODD)
• Learning and language disorders
• Increased risk of developing other anxiety disorders, depression and substance abuse (esp. alcohol)
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• Chronic and persistent (esp. if untreated)
– ~50 of those treated in remission 6 years later
• Longer-term outcomes with ongoing anxiety
– Worsened long-term functioning in general health
– Worsened interpersonal, financial, educational statuses
– Increased risk of suicidality
Anxiety: Longitudinal Course
Wehry et al. 2015. Curr Psychiatry Rep
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Anxiety Differential
• Psychiatric:
– ADHD (restlessness, inattention)
– Learning disabilities
– Autism Spectrum
– Depression (poor concentration, sleep difficulty, somatic complaints)
• Medical / Medication / Substance-related
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Behavioral Therapies
• Cognitive Behavioral therapy
• Acceptance and commitment therapy
• Dialectical behavioral therapy
• Psychodynamic therapy
• Mindfulness approaches
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• 488 youth (7-17) with DSM-IV diagnoses of GAD, social anxiety or separation anxiety
• 12 week trial, 4 branches:
– Medication (sertraline)
– Therapy (Cognitive Behavioral Therapy)
– Combination (sertraline and CBT)
– Placebo
Child/Adolescent Anxiety Multimodal Study(CAMS)
Walkup et al (2008)Compton et al (2010)
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CAMS Study Continued
• Combined branch (sertraline and CBT) was most effective
– 81% responded - (CGI-I of 1 or 2)
• Combined treatment most effective at 24 and 36 weeks
• Other findings
– Predictors of response
– Longer-term outcomes
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• Positive predictors of response:– Younger age -- No other internalizing disorders
– Lower baseline anxiety -- Nonminority status
• Negative predictors of response:– Increased caregiver strain -- Poor family functioning
– Family history of anxiety --Social anxiety disorder
Predictors of Response in Anxiety Treatment
Ginsburg et al (2010) J Consult Clin Psychol
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CAMELS
Child/Adolescent Anxiety Multimodal Extended Long-term Study• ~50% were in remission (of anxiety) 6 years later
– Responders to initial acute treatment more likely to be in remission
• Predictors of remission include:– Family functioning (at baseline)– Male gender– Higher socioeconomic background (?higher-quality
services)– Lower baseline severity / lack of comorbid externalizing
disorders
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FDA-approved SSRIs/SNRIs for Children/Adolescents
• Fluoxetine – MDD, ages 8+; OCD ages 7+ (target 40mg)
• Fluvoxamine – OCD, ages 8+ (target 150mg)
• Sertraline – OCD, ages 6+ (target 150mg)
• Escitalopram – MDD, ages 12+ (target >10mg)
• Duloxetine – GAD, ages 7+ (target 60-90mg)
Strawn et al (2017) Curr Probl Pediatr Adolesc Health Care
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• SSRIs and SNRIs are effective in treating pediatric anxiety disorders compared to placebo
– SSRIs are associated with greater and faster improvement compared to SNRIs
• “Sertraline has the greatest evidence of efficacy [in pediatric anxiety]” (p. 6, Strawn et al, 2017)
Pharmacotherapy in Pediatric Anxiety
Strawn et al (2018) JAACAPStrawn et al (2017) Curr Probl Pediatr Adolesc Health Care Strawn et al (2015). Depression Anxiety.Wang et al (2017). JAMA Peds
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Pharmacology in Anxiety Cont.
• Strawn et al (2015) meta-analysis
– Commonly-used SSRI/SNRI RCTs (9) all showed superiority of antidepressants over placebo
• Effect size was of “moderate magnitude”
– Cohen’s d = 0.62, range 0.34-0.89, p<.01
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Recent Metanalysis
• Wang et al (2017) – meta-analysis
– 115 studies with >7500 patients
• Previous SSRIs and SNRIs and atomoxetine all effective
• No differences between CBT and any medication
Wang et al (2017). JAMA Peds
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Antidepressants and Black-box Label
• Black-box warning on antidepressants (2004)
• “Did not observe an increased risk of treatment-emergent suicidality in youth with anxiety disorders” (Strawn et al 2015, p.154)
– Venlafaxine and paroxetine
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Other Pharmacological Treatments
• Tricyclic antidepressants (TCAs)
• Benzodiazepines
• Buspirone
• Alpha-agonists
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Other Pharmacological Thoughts
• Discontinuing treatment?
– Maintain the SSRI dose for 6-12 months after remission; then taper slowly
• Activation syndrome?
– Characterized by disinhibition, impulsivity, insomnia, restlessness, hyperactivity, and irritability
– More common in pre-pubertal children
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• Anxiety and ADHD are often co-morbid– Up to 1/3 youth with ADHD have co-occurring
anxiety
• When treating ADHD with stimulants:– Co-occurring anxiety does Not alter response of
ADHD to treatment
– Side effects to stimulants were Not higher in those with ADHD and anxiety (vs. ADHD alone)
• Atomoxetine
Anxiety and ADHD (!)
March JS, Swanson JM, Arnold LE et al. (2000). JJ Abnorm Child Psychol.Coughlin et al 2015 J Child Adolesc Psychopharmacol
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Anxiety: Other Thoughts
• Social media and link to depression and anxiety
• Delivering CBT and other therapies through online channels
– Tele-psychiatry
– Internet-based CBT
– Apps
• Mind-body/complementary therapies
– Promising evidence for biofeedback, hypnosis, guided imagery, mindfulness meditation, yoga
Hoge et al (2017). Pediatrics.Rooksby et al (2015). Journal of Anxiety Disorders.American Academy of Pediatrics: Clinical Report: 2016
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• Most common childhood psychiatric disorder• Behavioral and pharmacotherapy options are
both effective– Combined approach is best– SSRIs > SNRIs
• Evaluate for comorbidities• Watch for somatic symptoms• Need more research:
– Longer-term outcomes, other pharmacological and non-pharmacological treatment options, neurobiology
Anxiety: Final Thoughts
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Thanks!