Prescription Drug Abuse
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Prescription Drug Abuse
Walter Ling MDIntegrated Substance Abuse Programs
Semel Institute for Neuroscience and Human Behavior UCLA
Western Conference on AddictionUniversal City, California
Sunday November 13, [email protected]
www.uclaisap.org
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Prescription Drug Abuse: Scope of the Talk
• What and which drugs?
• Why now?
• Who abuse prescription drugs?
• What can we do?
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Definitions: What’s “abuse behavior” to us?
Any non-prescribed use of a drug (NIDA, 2002 & DEA, 1970)
Non-medical use of a substance for psychic effect, dependence, or suicide attempt or gesture (SAMHSA, 2002)
Any harmful use, irrespective of whether the behavior constitutes a “disorder” in the DSM-IV diagnostic nomenclature (IOM, 1996)
A maladaptive pattern of substance use, leading to clinically significant impairment or distress, as manifested by one or more behaviorally-based criteria (APA, 1994)
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Drugs of Abuse: Not Just Opioids
• Opioids and other pain killers
• Stimulants
• Anti-anxiety drugs
• Sedative/hypnotics
• Feel good drugs (antidepressants)
• Look good drugs (steroids)
• Feeling goofy drugs (psychedelics)
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Number of new non-medical users of therapeutics
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Pain Prescription Abuse
• In 2002, nearly 30 million people over 12 used prescribed pain relievers non-medically
• 1.5 million dependent/abused prescribed pain relievers; 2nd. only to marijuana
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Under the CounterJuly 7, 2005 CASA
• “More than 15 million American abuse Opioids, Depressants & Stimulants in 2003– Rx abuse among teens triple in 10 years– From 1992 to 2003, abuse of controlled Rx drugs
grew at the rate 2x that of marijuana; 5x that of cocaine; 60x that of heroin
– In 2003, 2.3 million teens 12-17 y.o. (1/10) abused a controlled Rx, 83% opioids
– ER visits related to opioid medication more than doubled between 1994 and 2001 (DAWN 2002)
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Commonly Abused Opioids
Diacetylmorphine Heroin
Hydromorphone Dilaudid
Meperidine Demerol
Hydrocodone Lortab, Vicodin
Oxycodone OxyContin,
Percodan,
Percocet, Tylox
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Oxycodone and Oxycodone CR
• Oxycodone: OxyIR, Roxycodone– Acute pain – 4-6 hrs duration of action– Tabs, caps, liquid
• Oxycodone CR: Oxycontin– Chronic pain; already tolerant to opioids– 12 hrs duration of action– Not for prn use– Tablets only
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Emergency Dept. MentionsOf Single-Entity Oxycodone
372 10341,804
3,792
11,100
14,996
0
2000
4000
6000
8000
10000
12000
14000
16000
1997 1998 1999 2000 2001 2002
2002 National Survey on Drug Use and Health (NSDUH), SAMHSA, Sept 5, 2003
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Increased Media AttentionIncreased Media Attention
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Oxycodone
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Easy Access: Role of the Internet?“Delivered in the Privacy of your Home”
Easy Access: Role of the Internet?“Delivered in the Privacy of your Home”
“Some reasons why you should consider using this pharmacy”
No prescription required!
“Some reasons why you should consider using this pharmacy”
No prescription required!
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Prescription Abusing Populations
• Prescription drug abusers– Youths, elderly, women, minorities
• Pain patients who abuse opiate medication
• Users with comorbid psychiatric conditions
• Substance abusers– Prescription drugs only – Prescription drugs plus other substances such as
heroin (polydrug abusers)
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Youth Prescription Abuse• Youth obtain prescription opioids from
peers family and friends
• Fastest growing prescription abuse group
• Females users out number males
• Prevention programs don’t work
• Not reached by treatment programs
• Largely unknown later consequences
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The Elderly Prescription Opioid Abuser
• Multiple medical problems• Higher incidence of chronic pain • Misunderstand directions: misuse vs abuse• Multiple prescribers• Rationalization and denial among family
members, peers or care providers– Deficits presumed to be due to age
• Interaction with alcohol or other drugs • Over representation of females
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Women and Prescription Drug Abuse
• Similar rates as men
• More likely to use abusable prescription drugs, especially opioids and anxiolytics– 2-3 x more inclined to be diagnosed with
depression and given more psychotherapeutics– Twice more prone to be addicted to drugs
• Combine with alcohol more often
• More elderly women, more prescriptions
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Women and Prescription Drug Abuse
• 4 million women abuse prescription drugs
• Among 12-17 year olds female surpass males in use of cigarettes, cocaine, inhalants and prescription drugs
• Women account for 60% of ER visits for prescription drug abuse
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Prescription Drug Abuse in Pain Patients
• Complex relationship between drug abuse and use of opioids in pain management
• Overlapping vulnerability and psychopathology• Somatoform pain disorders• Consumption of other substances • Iatrogenic factors
– Uncritical prescribing, inadequate monitoring, – absence of functional improvement– Inadequately treated pain
• J Jage Euro J Pain 2005 9:157-162
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Is pain associated with opioid disorders? Opioid Disorders According to Different Levels of
Past 4 Week Interference Due to Pain
Is pain associated with opioid disorders? Opioid Disorders According to Different Levels of
Past 4 Week Interference Due to Pain
Nearly Linear Relationship of Pain and Opioid Use DisorderNearly Linear Relationship of Pain and Opioid Use Disorder Source: NESARC StudySource: NESARC Study
0
1
2
3
4
5
6
7
8
Total
Odds RatioOdds Ratio
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As Prescriptions Increase, Emergency Room Reports Have Increased at
the Same or Faster rate
As Prescriptions Increase, Emergency Room Reports Have Increased at
the Same or Faster rateN
um
ber
of
Pre
scri
pti
ons
(in
100
0s)
Nu
mb
er o
f P
resc
rip
tion
s (i
n 1
000s
)
Source: IMS Health for Prescriptions and SAMHSA (DAWN) for Emergency Department Mentions
Source: IMS Health for Prescriptions and SAMHSA (DAWN) for Emergency Department Mentions
HydrocodoneHydrocodone
OxycodoneOxycodone
prescriptionsprescriptions
prescriptionsprescriptions
emergencyemergency
emergencyemergency
00
1000010000
2000020000
3000030000
4000040000
5000050000
6000060000
7000070000
8000080000
19941994 19951995 19961996 19971997 19981998 19991999 20002000 2001200100
60006000
1200012000
1800018000
2400024000
ED
Men
tions
ED
Men
tions
.
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The Fateful Triangle: Opioids Pain and Addiction
• Under treatment of pain
• Increasing availability of opioid analgesics
• Increase in abuse of prescription opioids
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Opium“…Lull all pain and anger, and bring forgetfulness of every sorrow.”
- Odyssey
“Among the remedies which it has pleased Almighty God to give to man to relieve his suffering, none is so universal and so efficacious as opium.”
- Thomas Syndenham, 1680
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Opium
• “It banishes melancholy, begets confidence, converts fear into boldness, makes the silent eloquent and bastards brave”
John Brown
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Opium
Opiate—an unlocked door in the prison of identity. It leads into the jail yard. - Ambrose Bierce, The Devil’s Dictionary
The junk merchant does not sell his product to the consumer, he sells the consumer to the product. He does not improve and simplify his merchandise, he degrades and simplifies the client.
- Burroughs
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From Pain Relief to Addiction: Role of the Opiates
• Relieve pain
• Relieve pain and suffering
• Relieve suffering and misery
• Make you feel better
• Make you feel good
• Make you “high”
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Characterizing Pain
• Pain: An unpleasant sensory and emotional experience arising from the actual or potential tissue damage or described in terms of such damage.
It is always subjective. Each individual learns the application of the word through experiences related to injury in early life.—IASP
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Acute vs Chronic Pain• Acute pain is for survival
• Chronic pain serves no purpose
Sufferers of chronic pain suffer for nothing
• Concern in acute pain: what pain does the patient have?
• Concern in chronic pain: what patient does the pain have?
.
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Pain: More than a Feeling Feeling (sensory experience) : Pain
Meaning (emotional & cognitive): Suffering
--Historical—early life
– Learned—experience
– Private—subjective
– Unique—individual
Action– Expression of the “word”: Behavior
Chronic pain is not having lots of pain; its having
pain and behaving like a chronic pain patient
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Chronic Pain and Addiction: Common Features
• Chronic pain– Early trauma
– Loss of mastery
– Loss of control
– Loss of sense of self
– Cognitive error
– “personalization”
– Over interpretation
– “catastrophy”
• Addiction– Early trauma
– Loss of mastery
– Loss of control
– Loss of self efficacy
– Cognitive error
– “nirvana”
– Denial
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Addiction in Pain Patients
• Published rates of abuse and/or addiction in chronic pain populations are ~ 10% (3-18%)*
• Known risk factors in the general population also predict prescription opioid abuse in pain patients
Fishbain, 1986, 1992; Kouyanou et al., 1997
*Adams et al., 2001; Brown, 1996;
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Who’s at Risk and How to Tell?
• Four ways to identify patients at risk:– History: personal history & family history– Screening instruments – Behavioral check lists– Therapeutic maneuver
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History
• What predicts addiction?– Personal history of drug abuse– Family history of drug abuse– Current addiction to alcohol or cigarettes– History of problems with prescriptions– Co-morbid psychiatric disorders
Same predictors as in non-pain patients
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Screening Instruments
• CAGE
• MAST
• DAST
– Nonspecific for pain patients
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Ongoing Warning Signs• Altered/forged prescription• Theft of prescription pads• Frequent requests to move appointments up• Keep pain appointments; miss others• Grossly disheveled/impaired• Request early refills/frequent phone calls• Lost/stolen prescriptions• Frequent unauthorized dose escalations• Positive urine tests for illicit drugs
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Drug-seeking or increased requests for pain medication
Detailed pain work-up pathology/pain of new source
No new pain pathology
opioid dose
Improved functioning
Absence of toxicity
pseudoaddictiontherapeutic dependence
Unimproved functioning
Presence of toxicity
Addictive disease
Is the pain patient addicted?(“Drug-seeking” Addiction)
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Can Addicts be Treated with Opiates?
• Yes, but with caution– Increase recovery activities– Provide support systems– Treat co-morbidity
• Remember Non-opioid analgesics
• Non-pharmacological treatments– Cognitive behavior therapies
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Treating Pain with Opioids: What Can We Expect to Achieve?
• Reduction in pain and suffering – Meaningful pain reduction
• Improved functionality– Meaningful improvement in activities
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Meaningful Pain Reduction: How Much?
• Using a VAS or Numeric scale of 0-10– (4-6= mod pain; 7-10= severe pain)
• For Moderate pain ( mean=6)– Meaningful reduction=2.4 (40%)– Very much better=3.5 (45%)
• For Severe pain (mean=8)– Meaningful reduction=4.0 (50%)– Very much better=5.2 (56%)
M. Soledad Cepeda et al. Proc 10th world Cong on Pain vol 24; pp 601-609
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Meaningful Functional Improvement: My Favorites
• Patient perspective of “improvement”– Used to do, can’t do now, would like to do again– Could be physical, social, recreational– With friends, family, church
• Achievable, enjoyable and meaningful– Hobbies– Volunteer work
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Conclusion: Prescription Drug Abuse
• Escalating problem• Heterogeneous population • Youth • Elderly • Women and minorities • Chronic pain patients• Pain and addiction – complex disorder
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Acknowledgment and Thanks
• Conference organizers
• Friends and colleagues: – ISAP & elsewhere
• NIDA
• You the audience