managing complicated ADHD in primary care Nhung T. Tran, MD, FAAP [email protected] Developmental-Behavioral Pediatrics Scott & White Healthcare Section of Child Development Associate Professor Texas A&M Health Science Center College Of Medicine faculty disclosure Discussion will reference some pharmaceuticals that are not approved by the FDA for use in children and adolescents. I have no relevant financial relationships with the manufacturer(s) of any commercial product(s) and/or provider of commercial services discussed in this CME activity 4 th A n n u a l C e n t r a l T e x a s P e d i a t r i c S u b s p e c i a l t y Update for the Primary Care Provider objectives Know common comorbidities in ADHD and their prevalence Know the management of ADHD with comorbidities in primary care and when to refer Be familiar with issues of monopharmacy versus polypharmacy Know the management of ADHD in preschool aged children AAP clinical practice guidelines (2011) Action statement 1: PCP should initiate an evaluation for ADHD for any child 4 through 18 years who present with symptoms Action statement 2: To make the diagnosis, PCP should determine DSM-IV-TR criteria have been met Action statement 3: In the evaluation of a child for ADHD, the PCP should include assessments for coexisting conditions Action statement 4: PCP should recognize ADHD as chronic condition Action statement 5: Recommendation for treatment will vary with age history ADHD Brief Overview Fidgety Phil Heinrich: Hoffman, physician (1809-1894) 1844 1902 Postencephalitic behavior disorder First treatment with benzedrine: Charles Bradley (1902-1979) 1917-28 1932 1937 1944 Defect of moral control: Sir George Frederic Still, physician (1868-1941) Hyperkinetic disorder of infancy: Franz Kramer (1878-1967) and Hans Pollnow (1902-1943), physicians Minimal brain damage Hyperkinetic Reaction of Childhood: DSM-II ADHD: DSM-IV 1948 1963 1968 1980 1994 Methylphenidate synthesized: Leandro Panizzon (marketed as Minimal Ritalin in 1954) brain dysfunction Attention Deficit Disorder (with or without hyperactivity): DSM-III (Lange KW, et al, 2010) 1 what’s next Slowed cortical development (Shaw et al, 2012) n=234 with ADHD n=231 controls Most pronounced difference in right frontal lobe EEG marker: theta to beta ratio (Loo & Makeig, 2012) prevalence Prevalence: 2-8% of preschool-age children 4-12% of school-age children 3-8% of adolescents ~4% in adults DSM-IV criteria: inattention Careless mistakes Difficulty sustaining attention Does not seem to listen Does not follow through 38% still met full diagnostic criteria at 19 years old 72% still had at least 1/3 of symptoms persist into adulthood Male-female ratio is 3:1, but girls less recognized Etiologies: Genetic versus non-genetic factors Parenting, diet, and culture do not cause ADHD, but influence the outcome Avoids tasks that require mental effort Cannot organize tasks Loses necessary items Easily distracted Forgetful in daily activities DSM-IV criteria: hyperactivity-impulsivity DSM-IV criteria Hyperactivity Impulsivity Symptoms must be present before age 7 years of age Fidgets, squirms in seat Blurts out answers Significant impairment in ≥2 settings (e.g., school Leaves seat Difficulty waiting turn Runs about or climbs Interrupts or intrudes excessively Difficulty playing quietly “On the go” or “driven by a motor” Talks excessively on others Symptoms present for ≥6 months and home) and in social, academic or occupational functioning Symptoms not accounted for by another mental health disorder Subtypes: ADHD, primarily inattentive-type ADHD, primarily hyperactive/impulsive type ADHD, combined-type 2 diagnosis ADHD Treatment Goal: Distinguish ADHD from age-appropriate behaviors Tips: Obtain observation from multiple sources Problems only at home is inconsistent with ADHD Avoid personal biases Under-diagnosis can be more harmful than over-diagnosis Medical conditions are not significant considerations Psychological or psychoeducational assessments not necessary for diagnosis stimulants stimulants Extensively studied Generic Brand MPH and AMP have equal efficacy, side effects methylphenidate (MPH) Ritalin®, Ritalin® SR, Ritalin® LA Metadate® CD, Metadate® ER Methylin®, Methylin® ER Concerta® Daytrana® Quillivant XR® Wide individual variation in how individual patients will respond Avoid prescribing the same stimulant stimulants: dosing d-methylphenidate (d-MPH) Focalin®, Focalin® XR dextroamphetamine sulfate (dexAMP) Dextrostat®, Dexedrine®, Dexedrine® Spansules ProCentra® Zenzedi™ mixed amphetamine salt (MAS) Adderall®, Adderall® XR lisdexamfetamine (LDX) Vyvanse® stimulants: side effects Medication Starting dose Maximum dose* Usual dosing MPH d-MPH 5 mg qd/bid 2.5 mg qd/bid 2 mg/kg/d up to 80 mg/d 1 mg/kg/d up to 40 mg/d tid (3-4h) bid (5-6h) Oros-MPH MPH CD MPH LA d-MPH XR MTS 18 mg qd 10 mg qd 10 mg qd 5 mg qd 10 mg qd 2 mg/kg/d up to 72-108 mg/d 2 mg/kg/d up to 80 mg/d 2 mg/kg/d up to 80 mg/d 1 mg/kg/d up to 40 mg/d up to 30 mg/d qd (10-12h) qd (6-8h) qd (6-8h) qd (10-12h) qd (9-12h) MAS MAS XR 2.5-5 mg qd 5-10 mg qd 1 mg/kg/d up to 40-60 mg/d 1 mg/kg/d up to 40-60 mg/d bid (4-6h) qd (10-12h) dexAMP 2.5-5 mg qd dexAMP Spansules 5 mg qd LDX 20 mg qd 1 mg/kg/d up to 40-60 mg/d 1 mg/kg/d up to 40-60 mg/d 70-100 mg/d bid-tid (4-6h) qd (6-8h) qd (10-12h) *Maximum dose may exceed FDA approved dose limits (Efron et al, 1997) (Cortese et al, 2013) 3 stimulants: common concerns Growth: mixed evidence Faraone SV, et al (2008): dose-related reductions, typically small and attenuate over time Zhang et al (2010): Change in height for methylphenidate group was -1.86+/-0.82 cm compared to controls 0.26+/-0.51 cm (P<0.001). (n=147) stimulants: concerns Later substance abuse (Humphreys et al, 2013) Sudden cardiac death: relatively solid evidence (Olfson et al, 2012) Population: 0.8-1 per 100,000 person-years MPH: 0.2 per 100,000 person-years (n= 10,734,000 Rx) AMPH: 0.3 per 100,000 person-years (n=70,699,000 Rx) Atomoxetine: 0.5 per 100,000 person years (n=9,419,000 Rx) stimulants: common concerns Growth deficiency: good evidence it can Faraone SV, et al (2008): dose-related reductions, typically small and attenuate over time Zhang et al (2010): Change in height for methylphenidate group was -1.86+/-0.82 cm compared to controls 0.26+/-0.51 cm (P<0.001). (n=147) Later substance abuse: solid evidence it won’t (Humphreys et al, 2013) won’t (Olfson et al, 2012) Population: 0.8-1 per 100,000 person-years MPH: 0.2 per 100,000 person-years (n= 10,734,000 Rx) AMPH: 0.3 per 100,000 person-years (n=70,699,000 Rx) Atomoxetine: 0.5 per 100,000 person years (n=9,419,000 Rx) Specific noradrenergic Cannot tolerate stimulant Co-morbid tic disorder Co-morbid anxiety disorder Dosage forms: 10 mg, 18 mg, 25 mg, 40 mg, 60 mg capsules (swallowed whole) Side effects: Similar to stimulants, except for abdominal pain Rare hepatitis Rare suicidal ideation Wilens, et al (2002) Dosing: Starting dose: 0.5 mg/kg/d Target dose: 1.2 mg/kg/d up to 1.4 mg/kg/d or 100 mg/d (whichever is lower) Usual dosing: qd or bid (for higher doses) reuptake inhibitor Consider if: Meta-analysis of 15 longitudinal studies (n=2,565) Objective: determine association between stimulant treatment and later substance outcomes (use, abuse, dependence) Alcohol, cocaine, marijuana, nicotine, nonspecific drugs Results: outcomes comparable in children with or without treatment atomoxetine: dosing atomoxetine Wilens, et al (2002) stimulants: concerns Sudden cardiac death: relatively solid evidence it Meta-analysis of 15 longitudinal studies (n=2,565) Objective: determine association between stimulant treatment and later substance outcomes (use, abuse, dependence) Alcohol, cocaine, marijuana, nicotine, nonspecific drugs Results: outcomes comparable in children with or without treatment (Newcorn et al, 2008) Tips: Drug-drug interaction with SSRI: decrease dose of atomoxetine Switching from stimulant: d/c stimulant, start atomoxetine monotherapy, then re-evaluate need for stimulant add-on 4 alpha-agonist alpha-agonist Clonidine Declining use in daytime due to sedation Most often used as single dose QHS for insomnia Most often used as adjunctive treatment Guanfacine Guanfacine extended-release (Intuniv) (Palumbo et al, 2008) Clonidine extended- release (Kapvay) Tolerated as monopharmacy Most often used as adjunctive treatment (Wilens et al, 2012) (Biederman et al, 2008) (Kollins et al, 2011) alpha-agonist: dosing alpha-agonist Consider if: Did not tolerate stimulant or atomoxetine Co-morbid tic Side effects: Sedation Constipation Dosage (mg) (weight <45 kg) Dosage (mg) (weight >45 kg) Baseline Clonidine Guanfacine Clonidine 1-2 0.05 qhs 0.5 qhs 0.1 qhs 1.0 qhs 3-4 0.05 bid 0.5 bid 0.1 bid 1.0 bid 5-6 0.05 tid 0.5 tid 0.1 tid 1.0 tid Week Monitor: Week Blood pressure, heart rate Guanfacine Dosage (mg) Baseline Kapvay 1 0.1 qhs Intuniv 1 qd (usually qpm) 2 0.1 qam & 0.1 qhs 2 qd 3 0.1 qam & 0.2 qhs 3 qd 4 0.2 qhs & 0.2 qhs 4 qd (Biederman et al, 2008) ADHD Favorite Resources ADHD and Co-morbidities 1. ADHD medication guide: www.adhdmedicationguide.com 2. ADHD medication handout from CHADD: www.adhdmedicationguide.com/adhd_me d_guide.pdf 3. Texas children’s medication algorithm project: Pliszka SR et al, 2006. 5 common co-morbidities Prevalence (Larson et al, 2011) n=61,779 No ADHD (%) common co-morbidities Prevalence (Larson et al, 2011) ADHD (%) Adjusted Relative Risk Learning disability 5.3 46.1 7.79 Conduct disorder 1.8 27.4 12.58 Anxiety 2.1 17.8 7.45 Depression 1.4 13.9 8.04 Speech problem 2.5 11.8 4.42 Autism spectrum d/o 0.6 6.0 8.72 Hearing problem 1.2 4.2 2.77 Epilepsy or seizure 0.6 2.6 3.93 Vision problem 1.4 2.3 1.47 Tourette syndrome 0.09 1.3 10.70 Any MH/ND d/o 11.5 66.9 5.12 Percentage of children with ADHD who have comorbid disorders (n=5,028) 16% Three 18% Two One 33% Zero 33% 0 screening tools 10 20 30 40 Oppositional Defiant Disorder (ODD) ADHD: NICHQ Vanderbilt Assessment Scale Others: Mood and Feeling Questionnaire (MFQ) Self Reported Child Anxiety Related Disorders (SCARED) Child Mania Rating Scale (CMRS) See Massachusetts General Hospital http://www2.massgeneral.org/schoolpsychiatry/screeningt ools_table.asp ODD Recurrent pattern of negativistic, disobedient, hostile behaviors Prevalence: 2-16% in general population Up to 50% in children with ADHD Etiologic considerations: Genetic factors (slight) Environmental factors (significant) Temperamental factors (significant) Presentation: Worse in > out of home. In young children, ODD symptoms often secondary to ADHD. In older children, ODD symptoms often mimic inattention. ODD Symptoms: Tantrums Persistent stubbornness Resistance to directions Inflexibility Deliberate, persistent testing of limits Aggression Labile mood Low frustration tolerance Low self-image 6 ODD Diagnostic criteria: at least 6 months, during which four (or more) of the following are present: often loses temper often argues with adults often actively defies or refuses to comply with adults' requests or rules often deliberately annoys people often blames others for his or her mistakes or misbehavior is often touchy or easily annoyed by others is often angry and resentful is often spiteful or vindictive ODD Treatment: Psychosocial therapy – primary Cognitive-behavioral therapy Family therapy Collaborative Problem Solving (www.livesinthebalance.org) Parenting (parent training) Anticipatory guidance (e.g., limit exposure to violence), avoid giving parenting advice ADHD and co-morbid ODD Aggression Optimize treatment of ADHD Treatment for ADHD effective with or without ODD Aggressive outbursts (in the absence of mania and/or psychosis) is not a contraindication to treating ADHD Intermittent substance abuse is not a contraindication to treating ADHD Stress to parents that psychosocial therapy is even more important aggression Often co-occurs with ADHD + ODD Prevalence: Not well studied Estimated 45% of children with ADHD Presentation: Property (destructive) People Self Animals Useful to distinguish occasional outbursts versus daily or nearly daily “rages” aggression Impulsive Predatory Non-profitable damaging of own property Steals others’ property Displays aggressive acts in front of people Hides aggressive acts Completely out of control when aggressive Can control their own behavior when aggressive Exposes self to physical harm when aggressive Very careful to protect self when aggressive Fights with stronger children Fights with weaker children Is aggressive without a purpose Tried to get something from, has a reason for being aggressive Aggression is unplanned, out of the blue Plans aggressiveness Expresses remorse after aggression Looks proud of being aggressive 7 psychosis ADHD and co-morbid aggression Does your child ever say that he hears voices talking to him? Does he talk to people who are not there? (Exclude imaginary friends in young children) Does your child ever say he is seeing things? Does your child feel people are always trying to get him or does he act paranoid? Does he believe strange things that other kids his age just don’t believe? Refer for psychiatric evaluation First, rule out mania/psychosis Refer to psychiatrist if symptoms of mania/psychosis or if an imminent threat to self or others Then, use Texas Children’s Medication Algorithm Project [Pliszka et al, 2006] Begin treatment for ADHD: stimulants significantly improve aggression in ADHD (Connor, et al, 2002; Blader et al, 2012) Add psychosocial therapy if no improvement Add second-generation antipsychotic (SGA) If no response, refer to psychiatrist. second generation antipsychotics ADHD and co-morbid aggression Aman, et al, 2014 Basic treatment group (n=84): parent training + stimulant Augmented treatment group (n=84): parent training + stimulant + risperidone Generic Brand aripiprazole (L) Abilify® clozapine (L) Clozaril® olanzepine (M) Zyprexa® quetiapine (M) Seroquel® risperdone (H) Risperdal® ziprasidone (M) Geodon® L=low potency, M = medium or intermediate potency, H=high potency Side effects: drooling in the absence of EPS (common), weight gain, elevated prolactin, sedation Baseline measures: CMP, lipid panels, HT, WT (repeat in 3 months then every 6 months second generation antipsychotics: weight second generation antipsychotics: weight Distribution of weight change in double-blind short-term studies at 4-12 weeks (Parsons, et al, 2009) Distribution of weight change in double-blind long-term studies at 1 year (Parsons, et al, 2009) 60 50 40 <-7% (loss) >7% (gain) 30 20 10 0 Placebo n=187 Mean change -0.5 lb Weighted average (%) Weighted average (%) 60 50 40 30 <-7% (loss) >7% (gain) 20 10 0 Ziprasidone Haloperidol Risperidone Olanzapine n=1,063 n=229 n=112 n=92 +1.4 lb +0.1 lb +4.3 lb +11.1 lb Placebo n=30 Mean change +0.09 Ziprasidone Haloperidol Risperidone Olanzapine n=321 n=16 n=82 n=15 -0.36 +0.41 +0.62 +0.8 in lb/month 8 second generation antipsychotics: dosing Risperidone Aripiprazole Quetiapine Week Preadolescents Adolescents 1-2 0.5 qhs 1 mg qhs 3-4 0.5 mg bid 1 mg bid/tid 5-6 1 mg bid/tid 2 mg bid/tid 1-2 2.5-5 mg/d 5-10 mg/d 3-4 10-15 mg/d 15-20 mg/d 1-2 2.5-5 mg/d 5-10 mg/d 1-2 25 mg qd/bid 50 mg bid 3-4 50 mg bid 200 mg bid 5-6 100-200 mg bid 300 mg bid depressive disorder Prevalence: 1-2% of pre-pubertal children, 3-8% in adolescents Estimated 13.9% in children with ADHD (Larson et al, 2011) Etiologic considerations: Genetic Environmental Neurodevelopmental factors/stages Medical Types: Major depressive disorder Dysthymia (Adjustment disorder with depressed mood) depressive disorder Treatment: Psychosocial therapy - primary Cognitive Behavioral Therapy (CBT) Interpersonal Psychotherapy (IPT) Family/group therapy depressive disorder Core symptom: sadness versus irritability Use different words like sad, grouchy, down in the dumps, irritable, unhappy Quantify How often do they occur? How long do each episodes last? How long has your child felt this way? Always ask about Neurovegetative signs Self-esteem Suicidal ideation Past episodes of depression depressive disorder TADS, 2004: N=439, ages 12-17 Response rates: FLX + CBT: 71% CBT: 43% FLX: 61% Placebo: 35% Pharmacotherapy Depressive Disorders Selective Serotonin Reuptake Inhibitors (SSRI) Non-SSRIs Educational Supports Special Education under “Emotional Disturbance” if severe 9 irritability irritability ODD-type Brief episodes of anger related to frustration, mood returns to normal as soon as frustration passes Mad/cranky “Slow burn” of prolonged negative mood, not related to stressors, pessimistic (unipolar in nature) Super angry/grouchy Explosive rages, intermixed with silliness and excitement (bipolar in nature) Depressive episode: Manic episode Sleep changes Interest loss Guilt, worthlessness Energy loss Concentration loss Appetite/weight loss or gain Psychomotor retardation or agitation Suicidal ideation Abnormal mood: euphoria + irritability (extreme, persistent, threatening, outof-control, rages) Distractibility Increased activity/energy Grandiosity Flight of ideas Activities with bad outcome Sleep decreased Talkativeness (Mick E, et al, 2005) ADHD and co-morbid depressive d/o First, distinguish demoralization versus depression Refer to psychiatry if (1) suicidal ideation, or (2) depressed/irritable mood for at last an hour (3-5 times per week) Then, use Texas Children’s Medication Algorithm Project [Pliszka et al, 2006] Treatment based on the presentation Treat depression or ADHD first, depending on which is more severe ADHD and co-morbid depressive d/o Primary care Psychiatry Age 9-17 years <9 years MDD, dysthymia only Atypical depression ADHD comorbidity only Aggression or severe ODD comorbidity No substance abuse Substance abuse No psychosis Persecutory delusions or hallucinations present Only passive suicidal ideation Suicidal intent, clear plan ADHD and co-morbid depressive d/o SSRI antidepressant dosing 4% with SI on SSRI (compared to 2% from placebo) with was statistically significant (FDA analysis of n=4,000), but no completed suicide Fluoxetine or other SSRI first line Observe for feelings of self-harm, increase in agitation Follow-up: Child (mg/d) Adolescent (mg/d) Start Max Start Fluoxetine 5-10 20 10-20 Max 60 Sertraline 25-50 100 50 200 Citalopram 10 20 10-20 40 Escitalopram 10 20 10-20 40 1 month or earlier if issues Monthly for 2-3 months Every 4 months for 1 year or until depression free 10 anxiety disorders Anxiety Disorders Prevalence: 13% of children and adolescents Estimated 17% in children with ADHD (Larson et al, 2011) Etiologic considerations: Genetic Environmental Temperamental Prognosis: Often chronic, persistent into adulthood anxiety disorders Types Simple phobia (10-11%) Generalized anxiety disorder (3-10%) Obsessive compulsive disorder (2.5%) Separation anxiety disorder (4%) Social phobia (10-11%) Generalized versus non-generalized Selective mutism Posttraumatic stress disorder (1-14%) Panic disorder (1.5-3.5%) anxiety disorders Presentation: Cognitive – catastrophic thoughts, poor school performance Physical – nausea, pain, headaches, eating problems, sleeping problems Emotional – fears, worry Behavioral – avoidance, escape, emotional outbursts Ask about Duration, frequency, intensity Anticipatory vigilance anxiety disorders Treatment: Psychosocial therapy – primary Parent training for children <8 years old Cognitive Behavioral Therapy (CBT) for children >8 years old Pharmacotherapy – when severe impairments Selective Serotonin Reuptake Inhibitors (SSRI) Non-SSRIs ADHD and co-morbid anxiety d/o Distinguish between developmentally appropriate worries, fears Then, use Texas Children’s Medication Algorithm Project [Pliszka et al, 2006] Begin with atomoxetine or stimulant Add stimulant, atomoxetine or SSRI depending on response Educational Supports Special Education under “Emotional Disturbance” if severe (Geller et al, 2007) 11 tic disorders Tic Disorders Prevalence: Estimated 20% in children with ADHD (Larson et al, 2011) Tics occurring during stimulant treatment are usually transient, rarely becoming chronic ADHD and co-morbid tic disorder Use Texas Children’s Medication Algorithm Project (Pliszka et al, 2006) ADHD in preschool age children alpha-2 agonist (monopharmacy) stimulant (monopharmacy) Or alternative (but similar) algorithms (see right) (Rizzo, et al, stimulant + alpha-agonists 2013) atomoxetine or SGA adhd in preschool age children Red flags of moderate-severe ADHD: Ejection or threatened ejection from school or child care center Exhausted, exasperated caregivers Discord between caregivers because of child’s behavior Rejected by, isolated from peers Risk of injury to self and others Risks factors: strong family history of ADHD, underlying medical condition (e.g., prenatal alcohol exposure) adhd in preschool age children AAP guidelines (2011) say try psychosocial therapy first Before medications, consider: Deferring until has had structured learning opportunities Whether benefits outweigh risks (school, home, social, personal safety) Referral to specialist Consider medications if: Inadequate response to psychosocial therapy Moderate to severe impairment in functioning Persistent symptoms for >9 months 12 final tips summary Screens negative for co-morbidity For 5 years and younger: consider psychosocial therapy before or concurrently with ADHD medication For 6 years and older: proceed with ADHD medication Screens positive for ODD Proceed with ADHD medication + behavioral therapy Screens positive for aggression For occasional episodes: proceed with ADHD medication + behavioral therapy For severe episodes: seek in depth psychiatric assessment final tips final tips Screens positive for mania Seek in depth psychiatric assessment Medications should not be avoided because of Screens positive for depression or anxiety If symptoms below threshold: proceed with ADHD medication If symptoms above threshold*: defer ADHD medication, proceed with treatment for depression or anxiety first *Threshold: sad/irritable/anxious mood 3-5 times per week for at least an hour; neurovegetative symptoms; separation problems Parenting and behavior therapy works, but has limits unrealistic fears Failure is not an option Avoid underrecognition, undertreatment Special education not an answer to every issue Screens positive for tic disorder Proceed with ADHD medication references questions? Faraone SV, et al. Effect of stimulants on height and weight: a review of the literature. Journal of the American Academy of Child and Adolescent Psychiatry, 2008, 47(9): 994-1009. Geller D, et al. Atomoxetine treatment for pediatric patients with ADHD with comorbid anxiety disorder. Journal of the American Academy of Child and Adolescent Psychiatry, 2007, 46(9): 1119-1127. Humphreys KL, et al. Stimulant medication and substance use outcomes: a meta-analysis. JAMA Psychiatry, 2013, 70(7): 740-749. Jain R, et al. Clonidine extended-release tablets for pediatric patients with attention-deficit/hyperactivity disorder. Journal of the American Academy of Child and Adolescent Psychiatry, 2011, 50(2): 171-179. Kollins SH, et al. Clonidine extended-release tablets as add-on therapy to psychostimulants in children and adolescents with ADHD. Pediatrics, 2011, 127(6): e1406-e1416. Lange KW, et al. The history of attention deficit hyperactivity disorder. 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A controlled trial of extended-release guanfacine and psychostimulants for attention-deficit/hyperactivity disorder. Journal of the American Academy of Child and Adolescent Psychiatry, 2012, 51(1): 74-85. references Wilens TE, et al. Attention deficit/hyperactivity disorder across the lifespan. Annual Review in Medicine, 2002, 53: 113-131. Zhang H, et al. Impact of long-term treatment of methylphenidate on height and weight of school age children with ADHD. Neuropediatrics, 2010, 41(2): 55-9. 14
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