Hydrocodone bitartrate extended release (HC-ER) Disease area studied Abbreviated title Phase Study ID Registry database Study results Plain language summary Publication (if available) Postoperative Pain A Multicenter Active Comparator Study of HC-ER in Adults Following Bunionectomy Surgery Phase 2 ELN154088-201 Completed NCT02197156 Osteoarthrosis A Safety, Tolerability and Pharmacokinetic Dose Escalation Study of HC-ER in Patients With Osteoarthritis Pain Phase 2 ELN154088-203 Completed NCT02222740