Research Topics
| Jason WhiteSummaryAffiliation: University of Adelaide Country: Australia Publications
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Publications
Evaluation of levo-alpha-acetylmethdol (LAAM) as an alternative treatment for methadone maintenance patients who regularly experience withdrawal: a pharmacokinetic and pharmacodynamic analysisDavid A L Newcombe
Department of Clinical and Experimental Pharmacology, University of Adelaide, Adelaide 5005, Australia
Drug Alcohol Depend 76:63-72. 2004..LAAM converted methadone non-holders into LAAM holders. LAAM may therefore be useful in selected MMT non-holders and improve retention in opioid treatment programs...
Relationship between LAAM-methadone preference and treatment outcomesJason M White
Department of Clinical and Experimental Pharmacology, Adelaide University, SA 5005, Australia
Drug Alcohol Depend 66:295-301. 2002..For those who chose methadone, there were no differences in outcomes between the LAAM and methadone maintenance periods. Preference for LAAM is associated with treatment outcomes as good or better than those with methadone...
Open-label dose-finding trial of buprenorphine implants (Probuphine) for treatment of heroin dependenceJason White
Discipline of Pharmacology, University of Adelaide, Adelaide, SA 5005, Australia
Drug Alcohol Depend 103:37-43. 2009..No safety concerns were evident. These results suggest that Probuphine implants offer significant promise for enhancing delivery of effective opioid substitution treatment while minimizing risk for abuse of medication...
Pleasure into pain: the consequences of long-term opioid useJason M White
Department of Clinical and Experimental Pharmacology, University of Adelaide, Adelaide, South Australia 5005, Australia
Addict Behav 29:1311-24. 2004..These aversive pain and mood states may contribute to the motivation for continued drug use and the dysfunction associated with drug dependence...
Opioid maintenance: a comparative review of pharmacological strategiesJason M White
Discipline of Pharmacology, University of Adelaide, SA 5005, Australia
Expert Opin Pharmacother 8:1-11. 2007..This review examines the existing strategies, highlights problems associated with their use and discusses the opportunities for new treatment approaches, particularly the use of long-acting formulations...
Subjective and physiological responses among racemic-methadone maintenance patients in relation to relative (S)- vs. (R)-methadone exposureTimothy B Mitchell
Department of Clinical and Experimental Pharmacology, University of Adelaide, Adelaide, SA 5005, Australia
Br J Clin Pharmacol 58:609-17. 2004..R)-methadone...
Slow-release oral morphine versus methadone: a crossover comparison of patient outcomes and acceptability as maintenance pharmacotherapies for opioid dependenceTimothy B Mitchell
Department of Clinical and Experimental Pharmacology, University of Adelaide, Adelaide, South Australia, 5005, Australia
Addiction 99:940-5. 2004..To evaluate slow-release oral morphine (SROM) as an alternative maintenance pharmacotherapy to methadone for treatment of opioid dependence...
Methadone maintenance patients are cross-tolerant to the antinociceptive effects of very high plasma morphine concentrationsPeter Athanasos
Department of Clinical and Experimental Pharmacology, University of Adelaide, Adelaide, SA 5005, Australia
Pain 120:267-75. 2006..While even higher morphine doses may achieve some pain relief, this may be at the cost of unacceptable respiratory depression...
Comparative pharmacodynamics and pharmacokinetics of methadone and slow-release oral morphine for maintenance treatment of opioid dependenceTimothy B Mitchell
Department of Clinical and Experimental Pharmacology, University of Adelaide, Adelaide, SA 5005, Australia
Drug Alcohol Depend 72:85-94. 2003....
Inter- and intra-subject variability in ethanol pharmacokinetic parameters: effects of testing interval and doseLisa N Yelland
Discipline of Public Health, School of Population Health and Clinical Practice, The University of Adelaide, Adelaide 5005, Australia
Forensic Sci Int 175:65-72. 2008..Forensically important differences in pharmacokinetic parameters were observed within individuals between occasions. These findings could have an important impact on medico-legal issues related to ethanol pharmacokinetics...
Antinociceptive effects of high-dose remifentanil in male methadone-maintained patientsJustin L Hay
Discipline of Pharmacology, School of Medical Sciences, University of Adelaide, SA 5005, Australia
Eur J Pain 12:926-33. 2008..Methadone-maintained patients demonstrate significant tolerance to remifentanil and may require opioid doses 20-30 higher than required for the treatment of acute pain in opioid-naïve patients...
Plasma drug concentrations and physiological measures in 'dance party' participantsRodney J Irvine
Department of Clinical and Experimental Pharmacology, University of Adelaide, SA, Australia
Neuropsychopharmacology 31:424-30. 2006....
Within- and between- subject variability in methadone pharmacokinetics and pharmacodynamics in methadone maintenance subjectsJulia Hanna
Department of Clinical and Experimental Pharmacology, University of Adelaide, Adelaide, Australia
Br J Clin Pharmacol 60:404-13. 2005..Such knowledge may help prescribers to determine whether alternative dosing regimens or treatments might be more appropriate in this population...
Flexible dosing of tincture of opium in the management of opioid withdrawal: pharmacokinetics and pharmacodynamicsAndrew A Somogyi
Discipline of Pharmacology, School of Medical Sciences, University of Adelaide, Adelaide, Australia
Br J Clin Pharmacol 66:640-7. 2008..The aim was to evaluate the clinical effectiveness, pharmacodynamics and pharmacokinetics of a range of Tincture of Opium (TOP) doses in the management of opioid withdrawal...
Hyperalgesia in opioid-managed chronic pain and opioid-dependent patientsJustin L Hay
Discipline of Pharmacology, Medical School North, University of Adelaide, SA, Australia
J Pain 10:316-22. 2009..The results suggest that opioid use may contribute to an increase in the sensitivity to certain pain experimental stimuli...
The effects of prenatal exposure to buprenorphine or methadone on infant visual evoked potentialsJustine N Whitham
Discipline of Paediatrics, School of Paediatrics and Reproductive Health, The University of Adelaide, Australia
Neurotoxicol Teratol 32:280-8. 2010..Data from this controlled, non-randomised study suggest that buprenorphine may confer an advantage over methadone as a maintenance drug during pregnancy in terms of infant neural development at 4 months of age...
Model of methadone-induced hyperalgesia in rats and effect of memantineJustin L Hay
Discipline of Pharmacology, Level 5, Medical School North, University of Adelaide, SA 5005, Australia
Eur J Pharmacol 626:229-33. 2010..Furthermore, memantine does not alter the development of methadone-induced hyperalgesia...
Opioid effects and opioid withdrawal during a 24 h dosing interval in patients maintained on buprenorphineOlga V Lopatko
Department of Clinical and Experimental Pharmacology, University of Adelaide, Adelaide 5005, SA, Australia
Drug Alcohol Depend 69:317-22. 2003....
In vivo and in vitro potency studies of 6beta-naltrexol, the major human metabolite of naltrexoneSusan J Porter
Department of Clinical and Experimental Pharmacology, Adelaide University, Adelaide 5005, Australia
Addict Biol 7:219-25. 2002..Therefore, 6beta-naltrexol is likely to contribute to the efficacy of naltrexone in humans...
Use of radiotelemetry to evaluate respiratory depression produced by chronic methadone administrationTanya Lewanowitsch
Department of Clinical and Experimental Pharmacology, 5th Floor Medical School North, University of Adelaide, Adelaide, South Australia 5005, Australia
Eur J Pharmacol 484:303-10. 2004..Radiotelemetry offers a means of evaluating drug effects on respiratory rate continually in ambulatory, unstressed animals...
Population pharmacokinetics of (R)-, (S)- and rac-methadone in methadone maintenance patientsDavid J R Foster
Department of Clinical and Experimental Pharmacology, The University of Adelaide, Adelaide 5005, Australia
Br J Clin Pharmacol 57:742-55. 2004..To construct a population pharmacokinetic model for methadone enantiomers in the setting of methadone maintenance treatment for opioid dependence...
Antagonist-precipitated heroin withdrawal under anaesthetic prior to maintenance naltrexone treatment: determinants of withdrawal severityRobert Ali
Department of Clinical and Experimental Pharmacology, University of Adelaide, South Australia
Drug Alcohol Rev 22:425-31. 2003..Ali R, Thomas P, White J, McGregor C, Danz,C, Gowing L, Stegink A, Athanasos P. Antagonist-precipitated heroin withdrawal under anaesthetic prior to maintenance naltrexone treatment: determinants of withdrawal severity...
Pregnancy-related changes in tobacco, alcohol and cannabis use reported by antenatal patients at two public hospitals in South AustraliaElizabeth Hotham
WHO Collaborating Centre, University of Adelaide, Adelaide, South Australia, Australia
Aust N Z J Obstet Gynaecol 48:248-54. 2008..Australian substance use data do not demonstrate pregnancy-related changes or distinguish between pregnant and lactating women...
Baclofen prevents MDMA-induced rise in core body temperature in ratsSotiria Bexis
Department of Clinical and Experimental Pharmacology, University of Adelaide, Adelaide, SA 5005, Australia
Drug Alcohol Depend 74:89-96. 2004..001), but also reduced the percentage of rats attaining a core body temperature of 40 degrees C. These data suggest that stimulation of GABA(B) receptors may provide a mechanism for the treatment of MDMA-induced hyperthermia...
Association of IL-1B genetic polymorphisms with an increased risk of opioid and alcohol dependenceLiang Liu
Discipline of Pharmacology, School of Medical Sciences, Faculty of Health Sciences, University of Adelaide, Adelaide, South Australia, Australia
Pharmacogenet Genomics 19:869-76. 2009..To confirm a previous study, we also examined the association between the IL-1B genetic polymorphism and alcohol dependence...
The nature, time course and severity of methamphetamine withdrawalCatherine McGregor
Department of Clinical and Experimental Pharmacology, University of Adelaide, Australia
Addiction 100:1320-9. 2005....
Which substitution pharmacotherapy is most effective in treating opioid dependence?Linda R Gowing
Evidence Based Practice Unit, Drug and Alcohol Services Council, Parkside, SA
Med J Aust 176:493-4. 2002
A comparison of antagonist-precipitated withdrawal under anesthesia to standard inpatient withdrawal as a precursor to maintenance naltrexone treatment in heroin users: outcomes at 6 and 12 monthsCatherine McGregor
Clinical Policy and Research, Drug and Alcohol Services Council of South Australia, 161 Greenhill Road, Parkside, SA 5063, Australia
Drug Alcohol Depend 68:5-14. 2002..Long-term follow-up is crucial in assessing the effects of treatment interventions for heroin dependence...
Comparison of tincture of opium and methadone to control opioid withdrawal in a Thai treatment centreJaroon Jittiwutikarn
Northern Drug Dependence Centre, Chiang Mai Province, Thailand
Br J Clin Pharmacol 58:536-41. 2004..CONCLUSIONS: At the doses used, TOP was inferior to methadone in suppressing withdrawal. It could prove to be a cost effective and valuable drug, but only after dose size and frequency are further investigated...
Buprenorphine versus methadone maintenance therapy: a randomized double-blind trial with 405 opioid-dependent patientsRichard P Mattick
National Drug and Alcohol Research Centre, University of New South Wales, Sydney, Australia
Addiction 98:441-52. 2003..To assess the efficacy of buprenorphine compared with methadone maintenance therapy for opioid dependence in a large sample using a flexible dosing regime and the marketed buprenorphine tablet...
Alpha2-adrenergic agonists in opioid withdrawalLinda R Gowing
Evidence Based Practice Unit, Drug and Alcohol Services Council, Parkside, SA, Australia
Addiction 97:49-58. 2002..This paper presents the main findings of a systematic (Cochrane) review of the effectiveness of alpha2-adrenergic agonists in managing opioid withdrawal...
Switching between methadone and morphine for maintenance treatment of opioid dependence: impact on pain sensitivity and mood statusTimothy B Mitchell
National Addiction Centre, Institute of Psychiatry, King s College London, London, UK
Am J Addict 15:311-5. 2006..Hyperalgesia and mood disturbance cannot be resolved by changing from methadone to morphine maintenance...
Fluctuations in (R,S)-methadone pharmacokinetics and response among long-term methadone maintenance patientsTimothy B Mitchell
National Addiction Centre, Institute of Psychiatry, King s College London, UK
Addict Biol 11:170-4. 2006..The pronounced and variable fluctuations in methadone disposition evident in these patients highlight the need for an individualized approach to patient dosing and monitoring...
In-patient benzodiazepine withdrawal: comparison of fixed and symptom-triggered taper methodsCatherina McGregor
Drug and Alcohol Services Council, South Australia, Australia
Drug Alcohol Rev 22:175-80. 2003....
