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Outpatient Drug Utilization Trends for Oxycodone Products. Laura Governale, Pharm.D., MBA Drug Utilization Analyst Team Leader Division of Epidemiology Office of Surveillance and Epidemiology November 13, 2008. Outline.
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Outpatient Drug Utilization Trends for Oxycodone Products Laura Governale, Pharm.D., MBA Drug Utilization Analyst Team Leader Division of Epidemiology Office of Surveillance and Epidemiology November 13, 2008
Outline • Sales distribution analysis: IMS Health, IMS National Sales Perspectives™ Retail and Non-Retail • Dispensed prescription analysis: SDI Vector One®: National (VONA) • Opioid market • Oxycodone ER products • Dispensing and prescribing characteristics • Prescriber specialty • Patient-level analysis: SDI Vector One®: National (VONA) and SDI Total Patient Tracker (TPT) • Age distribution • Summary
Oxycodone products included • Modified release/Extended-Release (ER) oxycodone products: Oxycodone HCL ER, OxyContin, Oxycodone ER • Immediate-release (IR) oxycodone products: Oxycodone w/APAP, Oxycodone, Endocet, Roxicet, Percocet-5, Percocet-10, Oxycodone w/ASA, Oxydose, Roxicodone, Percocet-7, Roxilox, Percocet-2, Endodan, Tylox, OxyIR, Magnacet, Perloxx, Narvox, Roxicodone Intensol, OxyFast, Oxycodone/Ibuprofen, Percolone, Oxycodone HCl Bulk, Roxiprin, Endocodone, SK-Oxycodone w/APAP, SK-Oxycodone w/ASA
Sales distribution dataYear 2007 IMS Health, IMS National Sales Perspectives™ Retail and Non-Retail
IMS Health, IMS National Sales Perspectives™ • Measures the volume of products, in units and dollars, moving from manufacturers to retail and non-retail channels of distribution • Extended Units are the number of tablets, capsules, milliliters, ounces, etc. of a product shipped in each unit • Retail Channels - chain, independent, mass merchandisers, food stores with pharmacies, and mail-order pharmacies • Non-Retail Channels - federal facilities, non-federal hospitals, clinics, long-term care facilities, home health care (began 1998), HMOs, miscellaneous channels (began 1999; prisons, universities, other)
Retail pharmacy distribution, 87% Non-retail pharmacy distribution, 13% Projected number of ER oxycodone tablets (in thousands) sold from the manufacturer to retail and non-retail pharmacies in the U.S., Year 2007IMS HEALTH, IMS National Sales PerspectiveTM, Extracted 3/2008
Prescription and Patient-level Data SDI Vector One®: National (VONA) SDI Vector One®: Total Patient Tracker (TPT)
Surveillance Data, Inc. Vector One®: National (VONA) • SDI’s Vector One®: National (VONA) is a national-level projected prescription and patient-centric tracking service. • Receives over 2.0 billion prescription claims per year, representing over 160 million unique patients. • The number of dispensed prescriptions is obtained from a sample of approximately 59,000 pharmacies throughout the U.S., accounting for nearly all retail pharmacies and represent nearly half of retail prescriptions dispensed nationwide. • Retail pharmacies include: • national retail chains • mass merchandisers • pharmacy benefits managers and their data systems • provider groups • Data on prescribing specialty and patient age/gender are available
Total number of prescriptions dispensed for selected opioids from U.S. outpatient retail pharmacies, Years 1998-2007 SDI Vector One®: National (VONA). Extracted 10/2008 • Hydrocodone products #1 dispensed of entire prescription drug market for the past 10 years • Oxycodone products, ER and IR, over 42 million dispensed prescriptions during year 2007, account for over 24% of market
Total number of prescriptions dispensed for selected opioids (WITHOUT hydrocodone and IR oxycodone products)from U.S. outpatient retail pharmacies, Years 1998-2007 SDI Vector One®: National (VONA). Extracted 10/2008 • Extended-release oxycodone products: ~7.5 million retail Rx in Y2007 • Fentanyl & morphine tied at ~5.5 million retail Rx in Y2007
Majority (~82% Y2007) of oxycodone market is immediate-release products Extended-release market relatively constant at 6-7 million dispensed Rx for last 7 years, account for 18% of entire oxycodone market in Y2007 Total number of prescriptions dispensed for oxycodone products (IR and ER) from U.S. outpatient retail pharmacies, Years 1998 – 2007SDI Vector One®: National (VONA). Extracted 10/2008
Total number of prescriptions dispensed for brand and generic extended-release oxycodone products from U.S. outpatient retail pharmacies, Years 1998-2007 SDI Vector One®: National (VONA). Extracted 11/2008 • Rx volume for Brand dropped by 2/3 between Y2004 (6.1 million Rx) and Y2007 (2.0 million Rx) • Generics account for nearly 5.5 million Rx or 75% of the ER oxycodone market in Y2007
Total number of prescriptions dispensed for all extended- release oxycodone products by strength from U.S. outpatient retail pharmacies, Years 1998-2007SDI Vector One®: National (VONA). Extracted 10/2008 • 20mg leading strength since 1998: 2.4 million Rx in Y2007 (32%) • 40mg second since Y2002: 2.3 million Rx in Y2007 (31%) • 10mg and 80 mg: 1.4 million Rx each in Y2007 (19% each)
Dispensing and prescribing characteristics for ER oxycodone products from U.S. outpatient retail pharmacies, Year 2007†SDI Vector One®: National (VONA). Extracted 10/2008‡SDI Physician Drug and Diagnosis Audit (PDDA), Extracted 11/2008 • Average days of therapy per new prescription† • 10mg: 26 days • 20mg, 40mg, 80mg: 28 days • 160mg: 20 days • Most common total daily dose‡: 40mg per day (15%), 20mg per day (14%), 80mg per day (10%), 120mg per day (8%)
~81% of new Rx dispensed to those had previous Rx for ER oxycodone product within past 3 months ~6% of new Rx had no previous Rx ~14% of new Rx switched or added-on from another pain therapy product Prescription type for ER oxycodone products by new, continuing, and add-switch parameters, Year 2007SDI Vector One®: National (VONA). Extracted 11/2008 *3 month look-back period
Leading prescribers in Y2007: General Practice* 2.1 million Rx (28%), Internal Medicine 1.3 million Rx (18%), Anesthesiology 843,000 Rx (11%) Total number of prescriptions dispensed for all extended-release oxycodone products by top 10 prescribing specialties from U.S. outpatient retail pharmacies, Years 1998-2007SDI Vector One®: National (VONA), Extracted 10/2008 *Family Medicine, Osteopathic Medicine, General Practice †All Others includes Unspecified specialties
Total number of unique patients and prescriptions dispensed for all extended-release oxycodone products from U.S. outpatient retail pharmacies, Year 2007 SDI Vector One®: National (VONA), Data Extracted 11/08 SDI Total Patient Tracker, Extracted 11/08 • ER oxycodone products (brand and generic combined): ~1.5 million patients • Majority of prescriptions dispensed to 40-59 year age group • Younger patients (0-19 years) account for ~1% • On average, 5 prescriptions dispensed per patient per year
Summary of Use for Extended-Release Oxycodone Products, Year 2007… • Hydrocodone products #1 dispensed prescription product • ~119 million Rx • Oxycodone products (ER & IR combined) 2nd among opioids • ER & IR combined: 42.2 million Rx and 14.7 million patients • All ER oxycodone (brand and generic): 7.5 million Rx and ~1.5 million patients • Leading prescribers: General Practitioners (28%), Internal Medicine (18%), Anesthesiologists (11%)
…Summary of Use for Extended-Release Oxycodone Products, Year 2007 • Top dispensed strength • 20mg (32%), 40mg (31%), 10mg (19%), 80mg (19%) • Average days of therapy per new prescription • 10mg: 26 days • 20mg, 40mg, 80mg: 28 days • 160mg: 20 days • Most common total daily dose: 40mg per day (15%), 20mg per day (14%), 80mg per day (10%), 120mg per day (8%) • ~81% of new Rx dispensed to those had previous Rx for ER oxycodone product within past 3 months • ER oxycodone Rxs most commonly dispensed to patients aged 40-59 years • On average, 5 prescriptions dispensed per patient per year