(12) United States Patent (10) Patent No.: US 8,163,731 B2 Slater Et Al
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USOO8163.731B2 (12) United States Patent (10) Patent No.: US 8,163,731 B2 Slater et al. (45) Date of Patent: Apr. 24, 2012 (54) METHOD AND DOSAGE REGIMENS FOR OTHER PUBLICATIONS ELMINATING ACHEMICAL SUBSTANCE IN Abramowitz, M.(Editor). Buprenorphine: An Alternative to Metha BLOOD done. The Medical Letter, (2003), 13-15, vol. 45, (Issue W1150A)Feb. 17. (75) Inventors: Kenneth C. Slater, Manchester, MA AZar, M.R. et al. A Non-invasive gating device for continuous drug (US); Brenda E. Richardson, delivery that allows control over the timing and duration of sponta neous opiate withdrawal. J.Neurosci. Methods,(May 30, 2004), 129 Manchester, MA (US); Scott M. 35, vol. 135 (1-2). Connors, Methuen, MA (US); Wei-wei Barnett, P.G. et al. Research Report. A Meta-Analysis Comparing Chang, Boston, MA (US) Buprenorphine to Methadone for Treatment of Opiate Dependence. Addiction(2001),683-690, vol. 96. (73) Assignee: Rhodes Technologies, Coventry, RI Barnett, P.G. et al. The Cost-effectiveness of buprenorphine mainte (US) nance therapy for opiate addiction in the United States. Addic tion(2001), 1267-1278,V96. (*) Notice: Subject to any disclaimer, the term of this (Continued) patent is extended or adjusted under 35 U.S.C. 154(b) by 477 days. Primary Examiner — Brandon Fetterolf Assistant Examiner — Kathrien Cruz (21) Appl. No.: 12/195,143 (74) Attorney, Agent, or Firm — Brinks Hofer Gilson & Lione (22) Filed: Aug. 20, 2008 (57) ABSTRACT (65) Prior Publication Data A method of reducing the concentration of a chemical or drug US 201O/OO48535A1 Feb. 25, 2010 Substance in the blood plasma that targets the same or similar receptors as the normal neurotransmitters in the central or (51) Int. Cl. peripheral nervous system includes titrating an initial peak A6 IK3I/485 (2006.01) concentration of the chemical or drug Substance in the blood A6 IK3I/554 (2006.01) for a predefined dosing period, titrating a lowest concentra A63/479 (2006.01) tion level of the chemical or drug substance in the blood (52) U.S. Cl. .................... 514/211.13: 514/282: 514/305 immediately before the end of the dosing period, and provid (58) Field of Classification Search ............. 514/211.13, ing a plurality of Subsequent dosing periods where each Sub 514/282,305 sequent dosing period requires administration of a dosing See application file for complete search history. amount of the chemical or drug Substance and titrating of the peak concentration and the lowest concentration level to (56) References Cited ensure that the lowest concentration level of the chemical or drug Substance in the blood plasma for the Subsequent dosing U.S. PATENT DOCUMENTS period is decreased by not more than five percent of the lowest 6,277.384 B1* 8/2001 Kaiko et al. .................. 424/400 concentration level of the previous dosing period and where 7,172,767 B2 2/2007 Kaiko et al. the plurality of dosing periods added together extends the method for seventy days or more. FOREIGN PATENT DOCUMENTS CA 2621575 A1 8/2008 12 Claims, 4 Drawing Sheets 16 14 V 12 d E O g 8 2. 6 ? 40 SO 60 70 80 Days in Treatment US 8,163,731 B2 Page 2 OTHER PUBLICATIONS Strain, E.C. etal. Buprenorphine Versus Methadone in the Treatment of Opioid Dependence: Self Reports, Urinanalysis, and Addiction Becker, A.B. et al. Gradual Dose Taper Following Chronic Severity Index. Journal of Clinical Psychopharmacology. (Feb. 1996) Buprenorphine. American Journal of Addictions. (2001), 111 58-67 vol. 16 No. 1. 121, vol. 10. Strang, Jand Gossop, M. Comparison of Linear versus Inverse Expo Bickel, W.K. et al. Buprenorphine dosing every 1.2 or 3 Days in opioid-dependent patients. Psychopharmacology (1999) 111-11, vol. nential Methadone Reduction Curves in the Detoxification of Opiate 146. Addicts. Addictive Behavior. (1990), 541-547, vol. 15. Breen, C.L. et al. Cessation of methadone maintenance treatment Camarasa, X. et al. Naltrexone-assisted rapid methadone discontinu using buprenorphine:transfer from methadone to buprenorphine and ation: A Pilot Study, European Addition Research, 2007, vol. 13, pp. Subsequent buprenorphine reductions. Drug and Alcohol Depen 20-24. dence (2003),49-55, vol. 71. Strain, E. C. etal. Relative bioavailability of different buprenorphine Calsyn, D.A. etal. Slow Tapering From Methadone Maintenance in a formulations under chronic dosing conditions, Drub and Alcohol Program Encouraging Indefinite Maintenance. Journal of Substance Dependence, 2004, vol. 74, pp. 37-43, Elsevier. Abuse Treatment (2006), 159-163, vol. 30. Gilson, A.M., et al., A Reassessment of Trends in the Medical use and Caplehorn, J. Comments on Matticket al:The Need for Independent Abuse of Opioid Analgesics and Implications for Diversion Control: Data Reanalyses. Addiction (2000) 1633-1634, vol. 98. 1997-2002, Journal of Pain and Symptom Management, 2004, vol. Chawarski, M.C. etal. 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