new concepts in the epidemiology, diagnosis and precision treatment of adhd in children,...
DESCRIPTION
This is the Grand Rounds Presentation at Saint Mary's Hospital here in Evansville, IN. In it, Dr. Cady covers the notable uptick in the diagnosis of ADHD, reviews societal effects contributing to the increased diagnosis, and reviews the precision diagnosis and treatment of ADHD. He presents a rigorous grounding in diagnostic fundamentals, notes the contribution of SPECT imaging toward our understanding of ADHD, and reviews the precise pharmacotherapeutic treatment of ADHD to avoid side effects and control symptoms. This presentation is the one that was actually presented (with updated title slide to reflect the weather outside this morning), and has the seven "true/false" questions at the end with the correct answers indicated.TRANSCRIPT
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Louis B. Cady, MD – CEO & Founder – Cady Wellness Louis B. Cady, MD – CEO & Founder – Cady Wellness Institute Institute Adjunct Clinical Lecturer – Indiana University
School of Medicine Department of PsychiatryChild, Adolescent, Adult & Forensic Psychiatry –
Evansville, Indiana
New Concepts in the Epidemiology, Diagnosis and Precision Treatment of ADHD in Children, Adolescents, and Adults(Slideshare users: this is an updated cover slide)
Grand Rounds – Saint Mary’s Hospital February 5, 2014
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Continuing Medical Education Commercial Disclosure Requirement
for Louis B. Cady, M.D.
I, Louis B. Cady, MD, have the following commercial relationships to disclose:•Speaker honoraria received from:
• Immunolaboratories, Great Plains Diagnostic Labs, LABRIX
•Speaker’s bureaus (active) for:• Forest Pharmaceuticals, Sunovion
•Historical data – speaker’s bureau for Bristol-Myers Squibb, Celltech, Cephalon, Eli Lilly, Glaxo-Smith Kline, Janssen, McNeil, Pfizer-Roerig, Sanofi!~aventis, Sepracor, Shire, McNeil, Takeda, Janssen, Searle, Shire, Takeda, Wyeth-Ayerst
This CME presentation is not being underwritten by any pharmaceutical company, and Dr. Cady is not receiving a fee or
honorarium for presenting it.
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www.slideshare.net/lcadymd
This is where to follow along on your tablets and smart
phones, or access the presentation slides later…
Note – the 7 True/False “Q & A” for CME documentation of learning are attached at the end of this presentation with the correct answer indicated.
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www.slideshare.net/lcadymd
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“Truth is a constant variable.” – William Mayo, MD. “Dr. Will”
Gonda extension, Mayo Clinic Building 2004. © Louis B. Cady, M.D.
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Prevalence: how much, and “why so much”?
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Prevalence & diagnosis
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(NYT, 12 14 2013)
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Increased methylphenidate usage for attention deficit disorder in the 1990’s.
Safer DJ et al. Pediatrics. 1996 Dec; 98(6 Pt 1):1084-8}
• 2.5 X increase in MPH tx between 1990 and 1995– 2.8% (1.5 million) US youths aged 5-18 received this
medication in mid-1995
• “The increase in methylphenidate…appears largely related to– an increased duration of treatment;– More girls, adolescents and inattentive youths on the
medication– And a recent improved public image of medication
treatment.”
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Prevalence data of parent report of ADHD “CURRENT Dx” by provider
http://www.cdc.gov/ncbddd/adhd/prevalence.html accessed 01 26 2014
2007 2011
IL 4.8% 7.2%
IN 9.3% 13.0%
KY 10.2% 14.8%
Rates of ADHD diagnosis increased an average of 3% per year from 1997 to 2006 (CDC Vital & Health Statistics)
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ADHD Stats at 3-17 years of age.
• 5 million children (9% for this age group)– Boys 12%– Girls 5%
• Children with fair/poor health status 2½ X more likely to have dx. (8% vs 21%)
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What does it “look like”?
A section for kinesthetic and visual learners…
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ADHD – not concentratingInferior Orbital pre-frontal cortex
Images courtesy of Daniel Amen, MD – Amen Clinics, Inc., Newport Beach, CA
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ADHD - concentrating
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ADHD – concentrating, on RX
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ADD – inattentive, without Rx
ADD – inattentive, on Amph
Images courtesy of Daniel Amen, MD – Amen Clinics, Inc., Newport Beach, CA
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Diagnostic criteria
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DIAGNOSIS: FOUR FLAVORS OF ADHD
314.00 ADHD Predominantly Inattentive Type*
314.01 ADHD Predominant Hyperactive-Impulsive Type*
314.04 ADHD, Combined Type
314.9 ADHD – Not Otherwise Specified
6 of 9 symptoms required for 314.00 & 314.01
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– Symptoms present before age 7 (now 12 in DSM-5) years
– Impairment from symptoms present in 2 or more settings
– Significant social, academic, or occupational impairment
– Exclude other mental disorders
Check off the symptoms which are unusually troublesome for your child (or YOU, if you are an adult patient) which are clearly different from what other children or adults typically experience. PLEASE USE THE BACK SIDE OF THIS FORM TO AMPLIFY ON ANY OF THE "CHECKED" SYMPTOMS WHICH YOU FEEL I SHOULD KNOW MORE ABOUT.
ADHD Diagnostic Symptom Checklist, adapted from DSM-IV, by:Louis B. Cady, M.D. - 611 Harriet Street - Suite 304 - Doctors Plaza
Evansville, IN 47710 www.drcady.com
PATIENT NAME: ___________________________ DATE: __________Medication status: ( ) pre-treatment? ( ) on Rx? ( ) OFF of Rx?
PATIENT STATUS: CHILD
ATTENTION PROBLEMSdisplays failure to give close attention to details; makes careless mistakeshas difficulty with sustained attentiondoesn't listen even when spoken to directlyhas REAL trouble following through on instructions; fails to finish tasksdifficulty organizing tasks/activitiesavoids, dislikes, or reluctant to engage in tasks requiring sustained mental effort (homework, work projects, etc.)loses things necessary for tasks/activitieseasily distracted by extraneous stimuli (sounds or sights in the environment)often forgetful in daily activities
HYPERACTIVITY, "WIGGLESOMENESS" PROBLEMS
fidgets with hands or feet, squirms in seatleaves seat in classroom in which remaining in seat was expected, or can't stay put at workruns about; climbs excessively in inappropriate situationsdifficulty playing or engaging in leisure activities quietlyoften was "on the go" as if "driven by a motor"talks excessively - a "chatterbox"
PROBLEMS BEING IMPULSIVEblurts out answers before questions are completeddifficulty waiting your turninterrupts or intrudes on others (butts into conversations)
For physician use only - RECENT CLINICAL HISTORY:
PARENTS: Please feel in your child's
CURRENT DRUG THERAPY... PLEASE LIST!
____________ _________ ________________________ _________ ________________________ _________ ________________________ _________ ________________________ _________ ________________________ _________ ________________________ _________ ____________
medication size of dose WHEN TAKEN
physician use...
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DSM-5 update
• 6 symptoms before age 7
• 6 symptoms for adults
• 6 symptoms before age 12
• 5 (FIVE) symptoms for adults
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“The Total Picture” diagnostic pearls [from Steven Grcevich, MD]
• Read comments on report cards!
• Ask siblings: “What’s (s)he like to live with?”
• Ask patient: “When was the last time you got invited to someone else’s house to play?”
• Ask parents: “Is (s)he involved with any activities in the community?”
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Different symptom manifestation: children through adults
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Continuation of Impairment of ADHD
Hopelessness, frustration, giving upBecomesRepetitive failure
Unwanted pregnancy, STDs, etcBecomes
Impulsivity and carelessness
ASPD, criminal involvement
BecomesODD / CD
Drug dependenceBecomesDrug experimentation
Fatal car wrecks / risk taking
BecomesMultiple injuries
Job failure or under-employment
BecomesSchool failure / under-achievement
Adulthood Childhood
Courtesy of William Dodson, MD – Denver, Colorado
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Hyperactivity
—Age—
Impulsivity
Inattention
ADHD: Course of the Disorder
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Earlier Initiation of Smoking with ADHD
237 6 to 17-year-old boys
0.6
0.5
0.4
0.3
0.2
0.1
0
Sm
oki
ng
pro
bab
ilit
y
0 2 4 6 8 10 12 14 16 18 20 22 24
P<0.003
ADHD n=128Control n=109
Milberger S, et al. J Am Acad Child Adolesc Psychol. 1997;36:37-44.
4 year follow-up
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Biederman, et al. Biol Psychiatry. 1998;44:269-273.
Lif
etim
e ra
te o
f su
bst
ance
ab
use
in
ref
erre
d A
DH
D a
du
lts
0
10
20
30
40
50
60
Increased Lifetime Substance Abuse in Untreated Adults with ADHD
55% Control (n=268)
ADHD (n=239)
27%
P<0.001
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Biederman J, et al. Pediatrics. 1999;104:e20-e25.
40
30
20
10
0
% o
f st
ud
y p
op
ula
tio
n
UnmedicatedADHD
MedicatedADHD
Control
32
12 10
P<0.001
Pharmacotherapy Significantly Reduces Substance Abuse in Adults
with ADHD
(N=56)(N=19)(N=137)
3-fold!
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Horrigan J, et al. Presented at 47th Annual AACAP Meeting: October 24-29, 2000. New York, NY.
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What happens if ADHD isn’t treated?
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Driving behavior and results in 27 clinically referred German adults
• N=27, with initial screen– 19 studied – initial testing then either:
• 10- kept medication free• 9 – tx’ed for 6 weeks with MPH
Sobanski E, et al. Driving-related risks and impact of metylphendiate treatment on driving in adtuls with attenion-deficit/hyperactivity disorder (ADHD). J Neural Trasm. 2008; 115(2):347-56.
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Driving behavior and results in 27 clinically referred German adults
• Background findings:– All ADHD subjects: drove significantly more kilometers per year– More often registered by traffic authorities– Fined more frequently– Involved in more MVA’s– Self described driving style as “more insecure and hectic” than
controls.
• A high risk group was delineated with:– 3-6 MVA’s per ADHD subject
Sobanski E, et al. Driving-related risks and impact of metylphendiate treatment on driving in adtuls with attenion-deficit/hyperactivity disorder (ADHD). J Neural Trasm. 2008; 115(2):347-56.
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Do you want to treat them?
STUDY CONCLUSIONS:
MPH tx improved information processingand sustained visual attention compared to baseline and untreated control groups.
Sobanski E, et al. Driving-related risks and impact of metylphendiate treatment on driving in adtuls with attenion-deficit/hyperactivity disorder (ADHD). J Neural Trasm. 2008; 115(2):347-56.
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www.billfoster.com - Reviving American Manufacturing, accessed 1 27 2014www.billfoster.com - Reviving American Manufacturing, accessed 1 27 2014
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http://www.scdigest.com/assets/newsViews/08-06-12-2.php accessed 01 27 2014http://www.scdigest.com/assets/newsViews/08-06-12-2.php accessed 01 27 2014
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Unemployment, underemployment are contemporary problems…
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Psychiatric disorders (lifetime) in adults with ADHD [multiple sources, % is estimated; N.B. – this is WITHOUT TREATMENT GROWING UP]
• Substance use disorders (all) 50%• Anxiety disorders 40%
• Major depression 35%
• Learning disabilities 20%
• Bipolar disorder 10%
• Antisocial disorder 10%
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Adult ADHD’ers:• Lower self esteem as
adults• Lower educational
achievements• Greater use of ancillary
educational resources• Greater tobacco and
recreational drug use • A lifelong pattern of
“consistent inconsistency.” Source: David Goodman, MD – Johns Hopkins Adult ADHD
treatment center
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105 Adult ADHD Drivers vs. 64 Controls (CC)
• ADHD’ers self reported:– More citations (esp. for SPEEDING),
crashes & license suspensions than CC
• ADHD’ers:– less attentive, made more errors on
visual reaction task– Lower scores on driving rules test.
• Driving difficulties: not related to “ODD”, depression, anxiety, or frequency of substance use.
Barkley RA, et al. J Int. Neuropsychol Soc. 2002 (5):655-762.
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Drug, drug... who's got the
drug?
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We are not there yet.
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Response to Psychostimulants
Best Response(Percent)
AMP MPH Equal response to either stimulant
Meta-analysis of Within-Subject Comparative Trials Evaluating Response to Stimulant Medications
28%28%
16%16%
41%41%
.Arnold et al. J Attention Dis. 2000;3:200.
Betting odds:Amph – 69%
MPH 57%
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Benefit-Risk Ratio and Efficacyof Psychostimulants
• Very favorable benefit-risk ratio– rapid, dramatic results– low risk of long-term side effects
• Approximately 70% of patients with ADHD will show a positive response on the first trial of any one stimulant medication
• If two different stimulant medications are tried, the response rate increases to ~90%
Greenhill. Child Adolesc Psychiatr Clin North Am. 1995;4:123; Spencer et al. JAACAP. 1996;35:409;Goldman et al. JAMA. 1998;279:1100.
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Amphetamines, methylphenidate, and antidepressants - important differences:Amphetamine - increases release and decreases uptake at the DOPAMINE uptake transporter (Seiden, et al., 1993)–effects release of DA from vesicles.
–also allows dopamine to be released from newly synthesized pools inside the cell.
–also activates 5-HT receptors (Sloviter, et al., 1978)
–L-amphetamine = 50/50 NERI/DRI (Stahl, 2013)Methylphenidate - effects release of DA from vesicles only – inhibits dopamine reuptake, as well.
Antidepressants: inhibit reuptake of NE and DA; do not cause release. [Atomoxetine = “NRI”]
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Atomoxetine• Superior to placebo (but slightly
less effective than MPH) in large, double-blind, placebo-controlled trial-Heiligenstein, 2000
• Spencer et al. (JCAP 2001)-open study,30 patients, 75% improved >25%.
SE’s: rhinitis, headache, anorexia, dizziness, nervousness, somnolence
• Michaelson (Pediatrics, 2001) ATX>PLB, best response at 1.2 mg/kg/day
• Kratchovil (JAACAP, 2002) ATX=generic MPH, open-label study, inadequately poweredHeiligenstein et al. Presented at AACAP, October 24-29, 2000Spencer et al. J. Child Adolesc Psychopharmacol 2001: 11(3) 229-238
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“Strattera* [coupled with fluoxetine or paroxetine] has been great for our admissions.”
-Dr. William Beute, MD
Pine Rest Campus Clinic
Grand Rapids, MI
April 21, 2004
[quoted with permission]
* Brand name used in this slide because this is a direct quote
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“2P, or not 2P……that is interaction.”
NB: Cytochrome p450 2D6:-This is where atomoxetine is metabolized-It is inhibited by paroxetine and fluoxetine
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“Alpha 2a agents”• Concept of SUSTAINED RELEASE AGENTS –
generic instant release agents not the same• Extended release guanfacine – “1,2,3 or 4 mg at
bedtime”• Extended release clonidine – “0.1 – 0.2mg (ER)
twice daily (a.m. and pm)” • Both are approved for monotherapy or for add-on
therapy.• Stimulants seem more potent; alpha-2 Rx seems
to be better for oppositional/defiant symptoms, either by themselves or in combination therapy.
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Cady diagram, 2014 – includes current stimulants
STIMULANTS: Time Course Considerations
~4 hrs
2 Classes: MPH or Amph
MPH
MPH
dexMPH
8 hrsMPH LA
12 hrsOROS-MPH
4-5 hrsD-amp
MPH “CD” MPH Patch (12+)
Amphetamines
7-8 hrs 8-10-12Dex spans
Mixed amph salts
AMP salts XR
Dex-MPH SR Lis-dexamph
SR Liquid MPH-12 hrs
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Plasma Concentration Profiles Plasma Concentration Profiles Associated with Different MPH Associated with Different MPH Delivery PatternsDelivery Patterns
MPH TWICE DAILY
Flat – MPH sips
Co
nce
ntr
atio
n (
ng/m
L)
Time (h)
15
6
5
4
3
2
1
00 5 10
Simulated plasma methylphenidate concentrations for 20-mg total daily dose delivered by twice-daily (BID), flat, and ascending dosing regimens.from Swanson J, et al. Clin Pharmacol Ther. 1999;66:295-305.
KEY TAKE HOME POINT! The drug level must ASCEND during the day in order to keep the therapeutic effect STEADY.
MPH Oros
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“Mixed salts of amphetamines, "handedness,” and efficacy
Amphetamine mixed salts contains:–d - amphetamine sulfate (aka "Dexedrine")
–d,l - amphetamine sulfate–d,l - amphetamine saccharate–D,l – amphetamine aspartate
Dextro-amphetamine 2x as effective as l-amphetamine
–Smith & Davis, 1977; Janowsky & Davis, 1976
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The Arnold studies
Randomized, double-blind, placebo controlled31 children with “MBD” (1976)Rx: 5 mg of d-AMP; 7 mg l-AMP [difference d.t. MW's]
CONCLUSIONS (replicated previous 1972 study of n=11):–Both agents found effective–Typically one agent was more effective than the other for individual children
[Arnold LE, Huestis RD, Smeltzer DJ, et al. Levoamphetamine vs dextroamphetamine in minimal brain dysfunction. Arch Gen Psychiatry 33:292-301, 1976
Arnold LE, et al. Levoamphetamine and dextroamphetamine: Differential effects on aggression and hyperkinesis in children and dogs. Am J Psychiatry 130:165-170, 1973]
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Typically one agent was more effective Typically one agent was more effective than the other for individual childrenthan the other for individual children
• d-AMP "appeared non-significantly more d-AMP "appeared non-significantly more effective"effective"• slightly better for "over-anxious" childrenslightly better for "over-anxious" children
• l-isomer - 2/3 of children improvedl-isomer - 2/3 of children improved• seemed to be of more benefit to seemed to be of more benefit to
"unsocialized-aggressive" kids"unsocialized-aggressive" kids• 28% of responders preferred the l-AMP form28% of responders preferred the l-AMP form• ““decreased tendency to blunt affect and decreased tendency to blunt affect and
produce the produce the ‘‘amphetamine lookamphetamine look’’ [sic] [sic]””
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Substance Use Disorders: Substance Use Disorders: Drugs of Abuse vs Meds for ADHDDrugs of Abuse vs Meds for ADHD
A “struggle” to get kids to take them
A “struggle” to get kids to stop taking them
Readily available but long-term use is rare
Large and ready market exists
Patients commonly forget to take medication
Users crave the drug
Feel nothing or feel bad in overdose
Used to feel good
Medications for ADHDDrugs of Abuse
Courtesy of William Dodson, MD – Denver, Colorado
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Drug Delivery & Dosing adjustments
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OROS MPH – the first player
GI liquid absorbed
into osmotic matrix pump
MPH pushed out the laser drilled
hole at end of tablet
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Peaks & troughs…
Illustration from Alza promotional literature
OROS MPH – 18 mg
OROS MPH &
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Delayed-Release Bead
Mixed amphetamine salts “XR” system
Immediate-Release Bead
Bead Core
Overcoating
Release-DelayingPolymer
Capsule
Overcoating
50% 50%
Drug LayerOvercoating
Drug Layer
Bead Core
Available in 5, 10, 15, 20, 25, and 30 mg dosing forms
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Chemical Structure of Lis-dexamfetamineChemical Structure of Lis-dexamfetamine
Lis-dexamfetamine is a prodrug that is therapeutically inactive Lis-dexamfetamine is a prodrug that is therapeutically inactive until it is converted to active until it is converted to active dd-amphetamine in the body-amphetamine in the body
l-lysinel-lysine
H NH N22
OO
OHOH
NHNH 22
++
dd-amphetamine-amphetamine(active)(active)
H NH N22
CHCH33
Lisdexamfetamine Lisdexamfetamine (Prodrug)(Prodrug)
H NH N22
OO
NNHH
NHNH 22
CHCH 33
Site of cleavageSite of cleavage
Rate-limited
Hydrolysis
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Charged polymer sustained delivery technology
12 hour sustained release LIQUID MPH Rx
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Basic MPH 101• How much to Rx?!
• Old dosing charts show 0.3 – 0.7 mg/kg/dose– But only “1.5 mg/kg/day”….
• But THREE doses of 0.3 – 0.7 mg/kg/dose = 0.9 – 2.1mg/kg/day
• THEREFORE, theoretical maximum should be “2.1 mg/kg/day” (the “Biederman max”)
• But what is that really, in “Hoosier-speak”?
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Cady/Desiderato Factor-Label, Down-Home, Good-Ole Boy MPH
Calculation:
2.1mg MPH 1 Kg ONE milligram
X =
Kg 2.2 lbs pound of kid
1mg / lb of kid / day
spread out over 12 hours, OR
About ½ that for amphetamines or dex-MPH
Lys-dexamph, amphetamine salts, dex amph, dex-MPH = ½ the
typical amount of methylphenidate
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So how much to dose?
• No correlation between plasma level and therapeutic response:– Big levels in small kids– Small levels in big kids
• All medication titrations should be made by informed, observant clinicians with good solid follow-up and examinations
• Titrations should be based on DYSFUNCTION
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M.D. does not stand for “minor deity”• Start lower than you think you probably should. • Push it carefully until you get results
– a “just right” therapeutic effect– absent side effects
• Use the “Biederman max” as a rough rule of thumb to calculate the “ceiling,” NOT TO START!
• If you have to “break through the ceiling” – think carefully, document your rationale, monitor carefully for side effects, HTN, cardiac issues
• Explain both the “Goldilocks” and the “Cinderella” aspects to patients/parents
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How to screw it up: a case study
• 1/28/14 – 7 year old child presents for tx• Oct 2013 – dx’ed with ADHD• RX:
– Started on 30 mg lys-dexamph from start • Zombied out for two days
– Dosage reduced to 15 mg. Worked well for 3 weeks. “I like the way my brain is working.”
– Began hearing voices in his head at night.
• Medication stopped• Voices persisted over the next 2 weeks, then d/c
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QUOTIENT ® TESTING
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Case of the “disorganized daughter”• 7/18/12 – 29 yo MWF presents with classic
hypomania, sleep deprivation and psychosis. – Known history of opioid abuse and dependence.
• Per mother: “severe insomnia, mood swings, periodic fits of rage followed by sadness/crying; difficulty concentrating; flight of ideas, trouble managing daily activities; little impulse control”
• Noted to have elevated symptoms of ADHD on initial rating scales
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TREATMENT COURSE• By 8/28/2012, stabilized on:
– Paloperidone 6 mg daily + Benztropine 1 mg three times daily
– Lamotrigine started with plan to cross titrate. – Started on PNV with Fe and DHA due to low iron.
• Further history: used opioids to sleep. • Essentially psychiatrically stable. Euthymic.• Viewed as stable enough to take Quotient
test.
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BADNESS
GOODNESS
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STATS:
•ATTENTIVE 7.5% (!!!) of the time
•Impulsive 47.5% of the time
•Distracted 32.5% of the time
•Disengaged 12.5% of the time
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Patient’s response to the Quotient results:
• “Wow, that’s really bad isn’t it?!”
• Asked if she had had severe problems with attention in school.
• “Well, there’s actually something I’ve never told you…”
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More history, more treatment
• “I actually used cocaine [therapeutically] before school( in high school) to concentrate.” – Set the curve in all of her finals in her junior year. – Stopped it in her senior year– Used opioid (Lortabs) throughout college to study and
focus. (“It made me awake and helped me do stuff.”).
• Now concerned about her ability to focus.• Brother, in law school, recently dx’ed with ADD.
On mixed amphetamine salts. Doing much better.
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Current status: disorganized daughter• RX:
– Lurasidone – 80 mg HS (bipolar)– Lamotrigine – 50 mg per day (bipolar - &
couldn’t go up)– Vilazodone – 30 mg in the a.m.(for OCD
symptoms) – Lisdexamphetamine – 50 mg capsule in a.m. for
ADHD
• Supplements:– L-tyrosine, PNV with Fe and DHA
• Status – perfect function and focus.
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Key take-aways from this case
• Don’t let a substance abuse disorder give you a constricted field of logic.
• Affective disorders and ADHD can coexist.
• Frequently ADHD’ers have used illegal drugs or tried their kid’s stimulant.
• Avoid Puritanical blame/self-righteousness:– Many ADHD’ers (and affective disorder patients)
fall into alcohol, marijuana, and other drugs in an attempt to self-treat
• Treat the primary problem first.
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Need for systems approach
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At home: Two great “how to do it” books
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Therapy Axioms: who needs it, when to do it
• The later a child (or adult) is diagnosed, the more complications (s)he has had, and the more conflict – the higher the likelihood of need for psychotherapy
• The converse applies.
• The higher the level of family dysfunction, the more the need for:– “parent training”– Behavioral therapies, etc.
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Inventor of NASDAQ screen– Strong family hx of ADHD– Dx’ed at 48 yoa– Interviewed in Time
Square – “Don’t you feel proud?”
–“Not really – all my life, people were telling me I would never amount to anything.”
Quote & identity used by specific permission of David Goodman, MD
& his patient
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from: Olazagasti MAR, et al J Am Child Adolesc Psychiatry 2014, Feb 1. published online 2013 January 5 doi:10.1016/j.aaac.2012.11.012
• Prospective 33 year follow up of 135 white boys with ADHD (w/p CD) in childhood & 136 matched comparators w/o ADHD
• “Development of CD/APD accounted for the relationship between ADHD & risk-taking.”
Note: unstandardized co-efficients
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Integrated: how to avoid over-reliance on meds
• Smart prescribing!• School:
– Excellent working relationships with school– Good teaching
• HOME:– Diminish “electronic screens” effect– Good home discipline– Good sleep/wake schedules– Good diet– Adequate exercise
• Parent training: parenting, stress tips
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“There are things known and there are things unknown, and in between are the doors.”- Jim Morrison
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“Probably the most interesting period of medicine has been that of the last few decades. So rapid has been this advance, as
new knowledge developed, that the truth of each year was necessarily modified by new evidence, making the truth an ever-changing factor.”
- Charles Mayo, MD “Dr. Charlie”
Plummer Building lobby. Photo: © Louis
B. Cady, MD 2004
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Contact information:Louis B. Cady, M.D.
www.cadywellness.com
www.tmsrelief.com
Office: 812-429-0772E-mail: [email protected]
4727 Rosebud Lane – Suite FInterstate Office Park
Newburgh, IN 47630 (USA)
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Q & A – and answers
• Previous epidemiological data suggested prevalence of ADHD in 3 – 7% of school-aged children. According to more recent CDC data (2009) the prevalence is probably around 9% for this group.
– TRUE
• Actually, the reported dx of ADHD by current providers is much higher in the TriState (Indiana, Illinois, & Kentucky), ranging from approximately 7 – 15%. (per CDC Vital & Health Statistics, 1997-2006)
- TRUE
• SPECT imaging, as well as PET and functional MRI, may be a useful way to look at the living brain and observe functioning.
– TRUE
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Q & A – and answers• Here is a comparison and contrast of DSM-IV (in use until
January 1, 2014, and DSM-5 (FIVE) in current use.) Either ALL of the following statements are true, or ALL of them are false.- There are nine symptoms in each domain – nine for inattentiveness and nine for hyperactivity and impulsivity– In DSM-IV, the previous diagnosis criteria specified that any symptoms used for
diagnosis much be present before the age of 7 (SEVEN)– In DSM-V, the current diagnostic criteria specify that the child (or adult) must
have the requisite number of symptoms before the age of 12 (TWELVE).– The difference between the “cutoff” for diagnosis for ADULTS between DSM-IV
and DSM-5 (FIVE) is that in DSM-IV, for the full diagnosis, you had to have at least 6 symptoms in either domain, and now in DSM-5 (FIVE) you just have to have FIVE symptoms as an adult to qualify.
ALL of these statements TRUE
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Q & A – and answers• According to common dosing guidelines and the presented “Cady/Desiderato Good Old
Boy Down-Home Guide to Dosing Stimulants,” the theoretical MAXIMUM of methylphenidate products should be 1 mg of methylphenidate per pound of kid per day, and amphetamines should be half that: e.g., ½ mg per lb of kid per day.
– TRUE
• 30 mg of Lisdexamfetamine (brand name = Vyvanse ®)* = 30 mg of amphetamine equivalents for dosing calculations. [*note – brand name is cited here for this medication because this medication is not in generic circulation at this time, and most practitioners will not recognize the generic name.]
– FALSE (oops – this was not covered this a.m.)• Explanation: 30 mg of Vyvanse = 10 mg amphetamine; 50 mg Vyvanse = 20 mg amphetamine; 70 mg of Vyvanse = 30
mg of amphetamine. This is a common dosing error by well meaning pediatricians – confusing Vvanse and amphetamine doses. Sorry for not presenting this.
• According to presented data and recommendation, the two longest acting and smoothest agents in class are lisdexamfetamine and liquid 12 hour sustained release methylphenidate.
– TRUE
It was a great pleasure to present to you this morning! Hope the “Q & A” was helpful. I will be back on April 2nd to present another CME lecture on the use of TMS (transcranial magnetic stimulation) and depression.