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 Oppositional Defiant Disorder A Study to Assess the Effectiveness and Safety of Clonidine Extended-Release OnydaTM XR in Children With ADHD and ODD Safety and Efficacy of Mexidol for ADHD in Children Aged 6-12