TY - JOUR KW - Analgesics, Opioid/administration & dosage KW - Buprenorphine, Naloxone Drug Combination KW - Buprenorphine/administration & dosage KW - Chi-Square Distribution KW - Drug Dosage Calculations KW - Drug Monitoring KW - Heroin Dependence/complications/diagnosis/drug therapy KW - Humans KW - Italy KW - Naloxone/administration & dosage KW - Narcotic Antagonists/administration & dosage KW - Opiate Substitution Treatment KW - Predictive Value of Tests KW - Receptors, Opioid/agonists KW - Secondary prevention KW - Substance Withdrawal Syndrome/diagnosis/drug therapy/etiology KW - Surveys and Questionnaires KW - Time Factors KW - Treatment Outcome AU - A. D'Amore AU - F. Romano AU - V. Biancolillo AU - G. Lauro AU - C. Armenante AU - A. Pizzirusso AU - S. Del Tufo AU - C. Ruoppolo AU - F. Auriemma AU - F. Cassese AU - P. Oliva AU - P. Amato A1 - AB - BACKGROUND: The dosing of opioid receptor agonist medications adequately and on an individual basis is crucial in the pharmacotherapy of opioid dependence. Clinical tools that are able to measure dose appropriateness are sorely needed. The recently developed and validated Opiate Dosage Adequacy Scale (ODAS) comprehensively evaluates the main outcomes relevant for methadone dose optimization, namely relapse, cross-tolerance, objective and subjective withdrawal symptoms, craving and overdose. Based on the ODAS, we developed a new assessment tool (BUprenorphine-naloxone Dosage Adequacy eVAluation [BUDAVA]) for evaluating dosage adequacy in patients in treatment with buprenorphine-naloxone. OBJECTIVE: The main goal of this observational study was to explore whether the BUDAVA questionnaire could be used to assess buprenorphine-based, long-term substitution therapy for heroin addiction. METHODS: The study included heroin-dependent patients who had been in treatment with buprenorphine-naloxone for at least 3 months. Patients (n = 196) were recruited from 11 drug abuse treatment centres in Italy. Dosage adequacy was assessed with the BUDAVA questionnaire. Patients classified as inadequately treated had their dosage modified. After 1 week, they were again administered the questionnaire to assess the adequacy of the new dosage. RESULTS: The buprenorphine-naloxone dosage was found to be inadequate in 61 of the 196 patients. In 13 patients, the treatment scored as inadequate only in the subjective withdrawal symptoms item of the questionnaire and therefore no dosage adjustment was made in the 2 weeks that have characterized this work. The remaining 48 inadequately treated patients had their dosage modified (42 dose increases and six dose decreases). After 1 week on the modified dosage, in 24 of these patients the new regimen was found by the assessment with the questionnaire to be adequate. CONCLUSION: These preliminary results suggest that the BUDAVA questionnaire may be useful for guiding buprenorphine-naloxone maintenance dose adjustments in heroin-dependent patients. BT - Clinical drug investigation C5 - Opioids & Substance Use; Measures CP - 7 CY - New Zealand DO - 10.2165/11633230-000000000-00000 IS - 7 JF - Clinical drug investigation N2 - BACKGROUND: The dosing of opioid receptor agonist medications adequately and on an individual basis is crucial in the pharmacotherapy of opioid dependence. Clinical tools that are able to measure dose appropriateness are sorely needed. The recently developed and validated Opiate Dosage Adequacy Scale (ODAS) comprehensively evaluates the main outcomes relevant for methadone dose optimization, namely relapse, cross-tolerance, objective and subjective withdrawal symptoms, craving and overdose. Based on the ODAS, we developed a new assessment tool (BUprenorphine-naloxone Dosage Adequacy eVAluation [BUDAVA]) for evaluating dosage adequacy in patients in treatment with buprenorphine-naloxone. OBJECTIVE: The main goal of this observational study was to explore whether the BUDAVA questionnaire could be used to assess buprenorphine-based, long-term substitution therapy for heroin addiction. METHODS: The study included heroin-dependent patients who had been in treatment with buprenorphine-naloxone for at least 3 months. Patients (n = 196) were recruited from 11 drug abuse treatment centres in Italy. Dosage adequacy was assessed with the BUDAVA questionnaire. Patients classified as inadequately treated had their dosage modified. After 1 week, they were again administered the questionnaire to assess the adequacy of the new dosage. RESULTS: The buprenorphine-naloxone dosage was found to be inadequate in 61 of the 196 patients. In 13 patients, the treatment scored as inadequate only in the subjective withdrawal symptoms item of the questionnaire and therefore no dosage adjustment was made in the 2 weeks that have characterized this work. The remaining 48 inadequately treated patients had their dosage modified (42 dose increases and six dose decreases). After 1 week on the modified dosage, in 24 of these patients the new regimen was found by the assessment with the questionnaire to be adequate. CONCLUSION: These preliminary results suggest that the BUDAVA questionnaire may be useful for guiding buprenorphine-naloxone maintenance dose adjustments in heroin-dependent patients. PP - New Zealand PY - 2012 SN - 1179-1918; 1173-2563 SP - 427 EP - 432 EP - T1 - Evaluation of buprenorphine dosage adequacy in opioid receptor agonist substitution therapy for heroin dependence: first use of the BUprenorphine-naloxone Dosage Adequacy eVAluation (BUDAVA) questionnaire T2 - Clinical drug investigation TI - Evaluation of buprenorphine dosage adequacy in opioid receptor agonist substitution therapy for heroin dependence: first use of the BUprenorphine-naloxone Dosage Adequacy eVAluation (BUDAVA) questionnaire U1 - Opioids & Substance Use; Measures U2 - 22559256 U3 - 10.2165/11633230-000000000-00000 VL - 32 VO - 1179-1918; 1173-2563 Y1 - 2012 ER -