• Mary Bond, Kerri A Schoedel, Laura Rabinovich-Guilatt, Maciej Gasior, William Tracewell, Richard Malamut, Yuju Ma, and Lynn R Webster.
• Teva Pharmaceuticals, Inc., Malvern, Pennsylvania, USA.
• Pain Med. 2018 Aug 1; 19 (8): 1597-1612.

ObjectiveTo assess the intranasal abuse potential of hydrocodone extended-release (ER) tablets developed with CIMA Abuse-Deterrence Technology compared with hydrocodone powder and hydrocodone bitartrate ER capsules (Zohydro ER, original formulation [HYD-OF]).DesignSingle-dose, randomized, double-blind, quadruple-dummy, active- and placebo-controlled, crossover study.SettingOne US site.SubjectsHealthy, adult, nondependent, recreational opioid users.MethodsSubjects able to tolerate intranasal hydrocodone and discriminate hydrocodone from placebo were eligible for study enrollment. Eligible participants randomly received intranasal hydrocodone ER, intranasal hydrocodone powder, intranasal HYD-OF, intact oral hydrocodone ER, and placebo. Coprimary pharmacodynamic end points were a maximum effect on "at the moment" Drug Liking visual analog scale and Overall Drug Liking visual analog scale. Pharmacokinetics and safety were assessed.ResultsMean maximum effect for "at the moment" Drug Liking was significantly (P < 0.01) lower for intranasal hydrocodone ER (72.8) compared with hydrocodone powder (80.2) and HYD-OF (83.2). Similar results were observed for Overall Drug Liking maximum effect (68.5 vs 77.1 and 79.8, respectively; P < 0.01). Secondary end points, including balance of effects and positive, sedative, and other effects, were consistent with these results. Intranasal treatments showed significantly greater effects vs placebo, while intact oral hydrocodone ER was similar to placebo. For each treatment, plasma concentration-time profiles paralleled "at the moment" Drug Liking over time. Incidences of adverse events for intranasal treatments were 52% for hydrocodone ER, 53% for hydrocodone powder, and 61% for HYD-OF.ConclusionsThe statistically significant differences between hydrocodone ER vs hydrocodone powder and HYD-OF for the primary drug liking end points indicate a lower intranasal abuse potential with hydrocodone ER in healthy, nondependent, recreational opioid users.

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