Search by Medical Condition 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 Tonsillar Neoplasms Neoadjuvant Chemotherapy and Transoral Robotic Surgery for Oropharyngeal Cancer. Study of A166 in Patients With Relapsed/Refractory Cancers Expressing HER2 Antigen or Having Amplified HER2 Gene