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  • Title: Titration with oxymorphone extended release to achieve effective long-term pain relief and improve tolerability in opioid-naive patients with moderate to severe pain.
    Author: Rauck R, Ma T, Kerwin R, Ahdieh H.
    Journal: Pain Med; 2008 Oct; 9(7):777-85. PubMed ID: 18950436.
    Abstract:
    OBJECTIVE: Assess the effectiveness and tolerability of a program of gradual dose titration with oxymorphone extended release (ER) for treatment of moderate to severe chronic pain in opioid-naive patients. DESIGN: Open-label, nonrandomized 6-month study with a titration/stabilization period of <or=1 month followed by a 5-month maintenance period. SETTING: Multidisciplinary pain centers in the United States. PATIENTS: Adult opioid-naive patients with moderate to severe chronic pain. INTERVENTIONS: Patients were gradually titrated from a 5-mg dose of oxymorphone ER (taken every 12 hours) to a stabilized dose that provided effective pain relief and was well tolerated. OUTCOME MEASURES: Brief Pain Inventory Short Form questions 5 and 9, patient and physician global assessments of pain relief, adverse events (AEs), and discontinuations. RESULTS: The majority (94/126; 75%) of patients were stabilized on a dose of oxymorphone ER that provided effective pain relief with tolerable AEs. Most (81/94; 86%) required <24 days to reach a stable dose. Sixteen percent of patients in the titration period and 17% of patients in the maintenance period discontinued because of AEs possibly or probably related to oxymorphone ER. Patients completing the entire 5-month maintenance period experienced effective pain relief with significant (>50%) reductions of pain interference with quality-of-life measures. There was minimal dose escalation over the 5 months and low use of rescue medication. CONCLUSIONS: Oxymorphone ER provided effective pain relief from moderate to severe chronic pain in opioid-naive patients. Gradual titration was well tolerated, with a low rate of discontinuations caused by AEs.
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