In this episode, Dr. Andrew Cutler interviews Dr. Roger McIntyre on best practices for using adjunctive treatment for major depressive disorder. Optional CME/CE Credits and Certificate Instructions: After listening to the podcast, to take the optional posttest and receive CME/CE credit, click https://nei.global/POD21-MDD Learning Objectives: After completing this educational activity, you should be better able to: Discuss earlier identification of partial response to anti-depressants and advantages to implementing augmentation strategies sooner to improve treatment outcomes Increase awareness about evidence-based adjunctive treatments that are FDA-approved for depression Examine the pharmacological profiles of approved adjunctive atypical antipsychotic treatments in terms of how they relate to therapeutic benefits and adverse reactions Accreditation: In support of improving patient care, Neuroscience Education Institute (NEI) is jointly accredited by the Accreditation Council for Continuing Medical Education (ACCME), the Accreditation Council for Pharmacy Education (ACPE), and the American Nurses Credentialing Center (ANCC), to provide continuing education for the healthcare team.  NEI designates this online live activity for a maximum of 1.0 AMA PRA Category 1 Credit ™. Physicians should claim only the credit commensurate with the extent of their participation in the activity. CME/CE Credit Types. The following are being offered for this activity: Nursing (ANCC): 1.0 contact hour Pharmacy (ACPE): 1.0 application-based contact hour Physician (ACCME): 1.0 AMA PRA Category 1 Credit ™ Physician Assistant (AAPA): 1.0 Category 1 CME credit Psychology (APA): 1.0 CE credit Social Work (ASWB-ACE): 1.0 ACE CE credit Non-Physician Member of the Healthcare Team: Certificate of Participation stating the program is designated for 1.0 AMA PRA Category 1 Credit ™ Peer Review: The content was peer-reviewed by an MD specializing in psychiatry to ensure the scientific accuracy and medical relevance of information presented and its independence from bias. NEI takes responsibility for the content, quality, and scientific integrity of this CME/CE activity. Disclosures: All individuals in a position to influence or control content are required to disclose all relevant financial relationships. Potential conflicts of interest are identified and resolved prior to the activity being presented. Interviewer Andrew J. Cutler, MD Clinical Associate Professor, Department of Psychiatry, SUNY Upstate Medical University, Syracuse, NY Chief Medical Officer, Neuroscience Education Institute, Carlsbad, CA Consultant/Advisor: AbbVie, Acadia, AiCure, Alfasigma, Alkermes, Allergan, Atentiv, Cognitive Research, Intra-Cellular, Ironshore, Janssen, Lundbeck, Neurocrine, Noven, Otsuka, Sage, Sunovion, Supernus, Takeda, Teva Speakers Bureau: AbbVie, Acadia, Alkermes, Allergan, Intra-Cellular, Ironshore, Janssen, Lundbeck, Neurocrine, Noven, Otsuka, Sunovion, Supernus, Takeda, Teva, Tris  Interviewee Roger S. McIntyre, MD, FRCPC Professor, Departments of Psychiatry and of Pharmacology; Head, Mood Disorders Psychopharmacology Unit, University Health Network; University of Toronto, Toronto, ON, Canada Grant/Research: CIHR/GACD/National Natural Science Foundation of China Consultant/Advisor: AbbVie, Bausch Health, Eisai, Intra-Cellular, Janssen, Kris, Lundbeck, Neurocrine, Novo Nordisk, Otsuka, Pfizer, Purdue, Sunovion, Takeda Speakers Bureau: AbbVie, Bausch Health, Eisai, Intra-Cellular, Janssen, Kris, Lundbeck, Neurocrine, Novo Nordisk, Otsuka, Pfizer, Purdue, Sunovion, Takeda  Pre-Interview Author Sabrina K. Bradbury-Segal, PhD Medical Writer, Neuroscience Education Institute, Carlsbad, CA No financial relationships to disclose. The Planning Committee and Peer Reviewer have no financial relationships to disclose. Disclosure of Off-Label Use: This educational activity may include discussion of unlabeled and/or investigational uses of agents that are not currently la