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  • Title: Fentanyl buccal tablet compared with immediate-release oxycodone for the management of breakthrough pain in opioid-tolerant patients with chronic cancer and noncancer pain: a randomized, double-blind, crossover study followed by a 12-week open-label phase to evaluate patient outcomes.
    Author: Webster LR, Slevin KA, Narayana A, Earl CQ, Yang R.
    Journal: Pain Med; 2013 Sep; 14(9):1332-45. PubMed ID: 23855816.
    Abstract:
    OBJECTIVE: Evaluate analgesic efficacy, functional benefit, and patient satisfaction with fentanyl buccal tablet vs immediate-release oxycodone for breakthrough pain (BTP). DESIGN: Randomized, double-blind, active-controlled crossover trial and 12-week open-label extension. SETTING: Forty-two U.S. sites. PATIENTS: Opioid-tolerant patients with predominantly chronic noncancer pain experiencing BTP. INTERVENTION: Patients were randomized to open-label titration periods with fentanyl buccal tablet followed by oxycodone or vice versa for BTP management. After titrating to a successful dose of both medications (single dose providing adequate analgesia without unacceptable adverse events), patients were re-randomized to treat 10 BTP episodes with one medication and 10 with the other. OUTCOME MEASURES: The primary efficacy measure was pain intensity (PI) difference 15 minutes postdose. Secondary measures included PI difference 5, 10, 30, 45, and 60 minutes postdose; sum of PI differences 30 and 60 minutes postdose; ≥33% and ≥50% reduction in PI; and pain relief. Questionnaires assessed functional status/satisfaction. RESULTS: Of 213 patients enrolled, 149 achieved a successful dose of both medications; 131 completed the double-blind phase and 112 the open-label phase. PI difference at 15 minutes (mean [standard deviation]) was greater with fentanyl buccal tablet (0.88 [1.20]) vs oxycodone (0.76 [1.13]; P < 0.001). Patients preferred fentanyl buccal tablet (47%) over oxycodone (35%); 18% had no preference. Patients and clinicians reported consistently better functional improvement and satisfaction with fentanyl buccal tablet vs short-acting opioids (P < 0.05). CONCLUSIONS: Fentanyl buccal tablet was associated with rapid onset of analgesia and improvements in functional status and patient satisfaction compared with immediate-release oxycodone.
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