Search by Drug Name A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Clinical Trials for XTAMPZA ER Clinical trials list click for details Use of Xtampza ER to Overcome Difficulties in Swallowing Opioid Pills Pilot Trial of Microsphere Oxycodone (Xtampza ER) for Pain Management in Patients Receiving Radiotherapy for Locally Advanced Head and Neck Cancer