Clinical Trials and Drug Interactions (CTDI) is an international, quarterly publishing, double blind peer reviewed journal. It aims to focus on the recent challenges and issues of design, conduct, analysis, evaluation and ethical considerations. Clinical trials involve the efficacy of new drugs and experimented by animal and human subjects. This journal has broad coverage of topics such as design and conduct of trials, protocols, case studies, drug development, pharmacovigilance, protocols, legal and ethical considerations, commentaries on controversial issues, statistical methods, history, synthesis and evidence evaluation, patient related issues and drug interactions. It also publishes the topics covering the drug interactions observed in the treatment of any disease or disorders.