Autism Spectrum Disorder ABC’s for School Success Academic Behavioral Communication.
Autism: Overview, Treatment, and Communication · 2019. 1. 23. · Autism Spectrum Disorder (ASD)...
Transcript of Autism: Overview, Treatment, and Communication · 2019. 1. 23. · Autism Spectrum Disorder (ASD)...
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Autism: Overview, Treatment, and CommunicationMALAURA CREAGER, PHARMD
NMPHA SPRING 2019
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DisclosuresNo conflicts to disclose
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Learning ObjectivesPharmacists and technicians:
◦ Describe the criteria used to diagnose autism
◦ Identify common comorbidities for autism
◦ Evaluate the effectiveness of their communication with a person with autism
Pharmacists:◦ Recommend and monitor pharmacological treatment for autism and its comorbidities
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Autism and PharmacistsPharmacy school may not cover the disorder
Not enough specialists– psychiatrists
Primary care managing patients
Higher frequency of adverse effects
Patients’ and caregivers’ frustrations with their providers
Incredible time commitment and confusion
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OutlineDiagnosis criteria
Epidemiology
Etiology
Pathophysiology
Pharmacotherapy
Communicating with autism patients and their families
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Autism Spectrum Disorder (ASD)Developmental disorder characterized by social, communication, and behavioral challenges
Signs often noticed early in life but diagnosis can be delayed
Generally life-long disorder
Formerly known as ◦ Autistic syndrome
◦ Asperger disorder
◦ Pervasive developmental disorder not otherwise specified
Diagnostic and Statistical Manual of Mental Disorders, 5th Ed. APA, 2013
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Diagnosis
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DiagnosingNo laboratory tests
Evaluate behavior and history
Trained professionals can diagnose by age 2
Symptoms often noticed younger
Understanding the definition is important for the healthcare team
Diagnosis includes 4 required sections◦ Deficits in social communication interactions
◦ Restricted, repetitive behavior, interests, or activities
◦ Present in early development, but may not become fully manifest until social demands exceed limited capacities, or may be masked by learned strategies in later life
◦ Cause clinically significant impairment in functioning
Diagnostic and Statistical Manual of Mental Disorders, 5th Ed. APA, 2013
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Diagnosis part 1:Deficits in Social Communication Interactions3 out of 3 required deficits
◦ Social-emotional reciprocity
◦ Non-verbal communication
◦ Developing, maintaining, and understanding relationships
What this looks like: #nofilter◦ Taking turns in conversations
◦ Not understanding unspoken messages
◦ Not understanding layered levels of relationships
◦ Perspective-taking
◦ Peer pressure
Diagnostic and Statistical Manual of Mental Disorders, 5th Ed. APA, 2013
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Diagnosis part 2:Restricted, repetitive behavior, interests, or activities2 out of 4 required for diagnosis
◦ Stereotyped or repetitive motor movements, use of objects, speech
◦ Insistence on sameness/ritualized behavior
◦ Restricted, fixated interests
◦ Hypo-hyperreactive to sensory input
What this looks like: #nofilter◦ Difficulty with transitions
◦ Stimming
◦ Lining up toys
◦ Single topic of conversation
◦ Great with routines, and patterns
◦ Sensory overload & meltdowns
Diagnostic and Statistical Manual of Mental Disorders, 5th Ed. APA, 2013
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Diagnosis parts 3 and 4Part 3
◦ Present in early development, but may not become fully manifest until social demands exceed limited capacities, or may be masked by learned strategies in later life
Part 4◦ Cause clinically significant impairment in functioning
Diagnostic and Statistical Manual of Mental Disorders, 5th Ed. APA, 2013
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Diagnosis:Severity for parts 1 and 2Level 1
◦ Requiring support
Level 2◦ Requiring substantial support
Level 3◦ Requiring very substantial support
Diagnostic and Statistical Manual of Mental Disorders, 5th Ed. APA, 2013
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Severity vs Spectrum
www.cdc.gov/ncbddd/autism/signs.html
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Severity vs Spectrum:The patient’s perspective
https://the-art-of-autism.com/understanding-the-spectrum-a-comic-strip-explanation/
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Severity vs Spectrum:The patient’s perspective
https://the-art-of-autism.com/understanding-the-spectrum-a-comic-strip-explanation/
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EpidemiologyWHO IS MOST AFFECTED
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Child Prevalence8-year-old children
325,483
8% total population
www.cdc.gov/ncbddd/autism/addm.html
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Child Prevalence
www.cdc.gov/ncbddd/autism/addm-community-report/key-findings.html
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ADDM Prevalence over time
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PR
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Baio J et al. MMWR Surveill Summ. 2018; 67(SS-6): 1-23
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ADDM key findings
Gender Ratio Intellectual Ability
www.cdc.gov/ncbddd/autism/addm-community-report/key-findings.html
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…and 30% had not been recognized by their community provider by age 8
www.cdc.gov/ncbddd/autism/addm-community-report/key-findings.html
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Adult prevalenceFewer studies
Estimated similar to children
Adults more likely to have severe disabilities
For those no longer autistic, high rates of comorbidities
Lord C et al. Lancet. 2018 published online
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Pharmacist prevalence?
Bernard J. Crespi. Front Neurosci. 2016;10:300
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Comorbidities*Medical
◦ Seizures
◦ Gastrointestinal issues◦ Malnutrition
◦ Obesity
◦ Constipation
◦ Asthma
◦ Allergies
◦ Bone fractures
◦ Pneumonia
◦ Down’s syndrome
Psychiatric◦ *But are they really
◦ Sleep disorders
◦ Irritability (communication)
◦ Hyperactivity
◦ Anxiety
◦ Depression
◦ Obsessive-compulsive disorder
Lord C et al. Lancet. 2018 published online Jones KB et al. Autism. 2016; 20(5)551-561. Buck TR et al. J Autism Dev Disord. 2014; 44(12):3063-71
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Clinical issuesGender identity
Transition to adulthood
Suicide risk
Patient vs caregiver goals
Blood draws for anything
Time burden/commitment
Insurance coverage
Access to services
Cassidy S et al. Lancet Psychiatry. 2014; 1(2):142-147. Heylens G et al. J Autism Dev Disord. 2018; 48: 2117 Nicolaidis C et al. Autism 2015; 19(7):824-831
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NeurodiversityAutism is part of the normal diversity of human brains
Humanity has benefited from contributions of people with autism
Many communicate very well, especially in writing
Frustration with a lack of voice in their care
Neurodiversity movement may be biased toward high-functioning, average IQ◦ Typical presentation
◦ Drowns out voices of low functioning patients and families who need more care
Nicolaidis C et al. Autism 2015; 19(7):824-831 Lord C et al. Lancet. 2018 published online
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Etiology
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Risk factorsMaternal environment
◦ Nutrition
◦ Medication◦ Valproic acid
◦ Opioids prior to conception
◦ Pesticides
◦ Parental age
Birth circumstances◦ Low birthweight
◦ Preterm birth
MMR vaccine◦ No
Lord C et al. Lancet. 2018 epub ahead of print Rubenstein E et al. J Autism Dev Disord. 2018 epub ahead of print
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GeneticsIdentified genetic causes
◦ Not clearly identified
◦ Fragile X
Heritability◦ 70-93%
Older sibling with autism◦ 7%-20% of subsequent siblings
Lord C et al. Lancet. 2018 epub ahead of print
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Pathophysiology#NOFILTER
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NeurobiologyBrain volume
◦ Overgrowth early in development
◦ Altered connectivity
◦ Overall under-connectivity
◦ Over-connectivity in specific regions (especially frontal and occipital lobe)
◦ Reduced/impaired growth later in development
GABA signaling/switch
Lobe Normal function
Frontal Personality, behavior, emotionsJudgment, planning, problem solvingSpeech: movement and writing (Broca’s area)Body movement (motor strip)Intelligence: concentration, self-awareness
Occipital Vision (Color, light, movement)
Parietal Interprets language, wordsSense of touch, pain, temperatureInterprets vision, hearing, motor, memorySpatial and visual perception
Temporal Understanding language (Wernicke’s area)MemoryHearingSequencing and organization
Cerebellum Balance, coordination, posture
Brainstem Autonomic functions: breathing, heart rate, temperature, wake and sleep cycles, digestion, sneezing, coughing, vomiting, swallowingLord C et al. Lancet. 2018 epub ahead of print
Ben-Ari Y. Trends in Neurosciences. 2017;40(9), 536-554Courchesne E et al. Brain Res. 2010;1380:138-45Zielinski BA et al. Brain. 2014; 137 (6); 1799-812.
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Treatment
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Guideline recommendationsScreening
◦ No recommendation from US Preventative Services Task Force
◦ Recommended by most other authorities
Prevention◦ Folic acid
◦ Vitamin D
Treatment◦ Largely parent training or therapy interventions
◦ Coaching parents and caregivers on how to interact with children with autism
◦ School-based interventions
◦ Equine or guinea pig therapy
◦ No first line drug therapy
◦ May use medications for comorbidities if necessary
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Choosing medication treatmentKnow what the actual diagnosis is
Define the goals of therapy
Use a validated tool to measure the progress toward goal
Use evidence, but be aware of the limitations of evidence in this population
Be suspicious of adverse reactions, including paradoxical
Goel R, Hong JS, Findling RL, Ji NY. An update on pharmacotherapy of autism spectrum disorder in children and adolescents. Int Rev Psychiatry. 2018 Feb;30(1):78-95. doi: 10.1080/09540261.2018.1458706.
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Treatment overview
Irritability and aggression
Risperidone
Aripiprazole
Valproate*
Stereotypy
Haloperidol*
ADHD
Methylphenidate
Atomoxetine
Clonidine*
Guanfacine*
Naltrexone*
Depression/ anxiety
Children: Few studies
Adults: possibly
SSRIs
Sleep disorders
Melatonin
Awareness of transitions
Core symptoms?
Bumetanide
Folinic acid
Buspirone*
Olanzapine*
Vitamin D3*
Goel R et al. Int Rev Psychiatry. 2018; 30(1);78-95. Lord C et al. Lancet. 2018 epub ahead of print * = single study or mixed evidence
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Treatment:Irritability and aggressionRISPERIDONE ARIPIPRAZOLE
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Treatment:Irritability and aggressionRisperidone and aripiprazole
◦ FDA approval: irritability associated with autistic disorder in pediatric patients
◦ For tantrums, self-injurious or violent behavior
◦ Reserve for those who are at risk for serious adverse events
◦ Best for stabilization– label indicates to increase dose to therapeutic effect, then titrate downward to reduce adverse events
◦ Head to head trial: neither superior to the other
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Dosing Titration
Ages Initial Recommended Maximum Dose Schedule
Aripiprazole 6-17 2 mg/day 5-10 mg/day 15 mg/day ≤5mg/day ≥1 week
Risperidone
<20kg
5-16
0.25 mg/day 0.5 mg/day 3 mg/day0.25
mg/day Initial: 4 days
Subsequent: ≥2
weeksRisperidone
≥20kg0.5 mg/day 1 mg/day 3 mg/day 0.5 mg/day
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Aripiprazole & RisperidoneProlactin levels
◦ Risperidone increased
◦ Aripiprazole decreased
May dose either once daily, but twice daily may decrease somnolence
Side effects: weight gain, somnolence, anticholinergic, vomiting, constipation, EPS (not akathisia)
Lowers seizure threshold
Check for dose adjustments for CYP3A4 and CYP2D6 drug interactions and genetic tests
◦ Fluoxetine, paroxetine, carbamazepine
Possible Risk of TdP
These drugs can cause QT prolongation BUT currently lack evidence for a risk of TdP when taken as recommended.
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Treatment:Core symptoms
FOLINIC ACID BUMETANIDE
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Bumetanide for core symptoms
TREATMENT
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Gamma aminobutyric acid (GABA)Allows chloride to enter the cell
Normal action◦ Chief inhibitory neurotransmitter
◦ Normally chloride level within cell is low
◦ Hyperpolarizes cell = inhibits action potential
Fetal neurons◦ Chloride levels high
◦ GABA is a stimulatory neurotransmitter
Adult neurons Fetal neurons
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Paradoxical effects:Benzos and barbiturates in some epilepsy
Lord KT et al. Jasper’s Basic Mechanisms of the Epilepsies. 4th edition.
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Paradoxical effects:Benzos and barbiturates in some epilepsy
Lord KT et al. Jasper’s Basic Mechanisms of the Epilepsies. 4th edition.
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Bumetanide in autism 2017Prospective, randomized, controlled
N=88; 2-18 years
Duration: 3 months
Intervention:◦ Bumetanide 2 mg BID: n=22
◦ Bumetanide 1 mg BID, n=23
◦ Bumetanide 0.5 mg BID, n=23
◦ Placebo, n=23
Outcomes: ◦ Childhood Autism Rating Scale (CARS), Clinical Global Impressions Scale (CGI), Social Responsiveness
Scale (SRS)
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Bumetanide 2017 results
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Bumetanide 2017 Potassium
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Treatments:Other conditionsDepression/anxiety
◦ SSRIs have not been studied in children, but poorly tolerated◦ Adults: SSRIs better tolerated
Sleep disturbances◦ Melatonin
ADHD/hyperactivity◦ Methylphenidate◦ Atomoxetine
Epilepsy
Dietary issues: constipation
Overall:◦ Use guideline recommendations◦ Monitor closely for adverse effects
Goel R et al. Int Rev Psychiatry. 2018; 30(1);78-95. Lord C et al. Lancet. 2018 epub ahead of print
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Treatments:Mixed, poor, or lacking evidenceN-acetylcysteine
Memantine
Donepezil
SSRIs for core symptoms
Lamotrigine
Levetiracetam
Clomipramine
Arbaclofen
Lithium
Oxcarbazepine
Topiramate
Oxytocin
Digestive enzymes
Sulforaphane
Omega-3 fatty acids
Goel R et al. Int Rev Psychiatry. 2018; 30(1);78-95. Lord C et al. Lancet. 2018 epub ahead of print
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Communication
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CommunicationPharmacist-autism communication struggles
◦ Body language = rudeness
◦ Professional pride over communication mishaps
◦ Lack of training on autism
◦ Lack of time
Pharmacists are vital in autism◦ Need medication, but higher rate of adverse effects
◦ Bridge the gap for primary care
◦ Non-psychiatric medications
◦ Be willing to be the expert
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Factors affecting experiences with healthcare
Autism-related
• Verbal communication skills
• Literalness
• Sensory sensitivities
• Body awareness
Provider-level
• Lack of knowledge about autism
• Attributing all symptoms/behaviors to autism
• Equating communication to IQ
• Unwillingness to communicate in writing
• Skill in incorporating supporters
System-level
• Organization trouble in navigating system
• Stigma about autism
• Societal issues with employment/insurance
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Recommendations from study participants to healthcare providers“Respect the way I need to communicate with you”
Dim lights
Don’t use open-ended or vague questions
Find out how your patient’s needs are unique
Advocate for your patients
Information◦ Navigating healthcare
◦ Aids to help prepare for interacting with providers
◦ Where to find good information
◦ Rights in healthcare
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Tools for communication
Time Remember the diagnosis
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Review:Autism Spectrum Disorder DiagnosisDeficits in social communication interactions (3/3 required)
◦ Social-emotional reciprocity
◦ Non-verbal communication
◦ Developing, maintaining, and understanding relationships
Restricted, repetitive behavior, interests, or activities (2/4 required)◦ Stereotyped or repetitive motor movements, use of objects, speech
◦ Insistence on sameness/ritualized behavior
◦ Restricted, fixated interests
◦ Hypo-hyperreactive to sensory input
Present in early development, but may not become fully manifest until social demands exceed limited capacities, or may be masked by learned strategies in later life
Cause clinically significant impairment in functioning
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Tips for communication in autism
“Give me some space”
Turn down the noise and the
lights
Listen for the message behind
the behavior
Communicate your message
clearly
Write or use pictures
Change your approach
Don’t use open-ended
questions
Give choices to give control
Be patient.
Honor special interests
ocali.org/up_doc/Tips_for_Supporting_Individuals_with_ASD.pdf
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Tips for communication in autism“Give me some space”
Turn down the noise and the lights
Listen for the message behind the behavior
Communicate your message clearly
Write or use pictures
Change your approach
Don’t use open-ended questions
Give choices to give control
Be patient.
Honor special interests
www.ocali.org/up_doc/Tips_for_Supporting_Individuals_with_ASD.pdf
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Conclusion
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Take home pointsAutism diagnosis: impaired social communication; restrictive, repetitive behavior or interests
Prevalence is increasing, but services are struggling to keep pace
Medications are effective for comorbidities, but more likely to cause side effects
Communication requires time and keeping the diagnosis in mind
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Autism
https://the-art-of-autism.com/understanding-the-spectrum-a-comic-strip-explanation/