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The Role of Orexin in the Arousal System: Implications for Sleep-Wake Medicine

neuroscienceCME Multimedia Snack

Premiere Date: Thursday, November 29, 2012

This activity offers CE credit for:

  1. Physicians (CME)
  2. Pharmacists (ACPE)
  3. Other


All other clinicians will receive a Certificate of Attendance stating this activity was certified for AMA PRA Category 1 Creditâ„¢

Credit Expiration Date:
Friday, November 29, 2013
Note: Credit Is No Longer Available

Faculty


Charles B. Nemeroff, MD, PhDCharles B. Nemeroff, MD, PhD (Moderator)
Professor and Chair
Department of Psychiatry
Mulva Clinic for the Neurosciences
Director, Institute of Early Life Adversity Research
Dell Medical School
The University of Texas at Austin
Austin, TX

W. Vaughn McCall, MD, MSW. Vaughn McCall, MD, MS 
Case Distinguished University Chair
Department of Psychiatry and Health Behavior
Executive Vice Dean
Medical College of Georgia
Augusta University
Augusta, GA

Statement of Need

Orexins, also called hypocretins, are novel peptides that act as neurotransmitters to modulate several body systems and processes, including the arousal system and wakefulness. First discovered in the late 1990s and initially investigated in narcolepsy, these peptides are now at the center of growing excitement and scientific and clinical discussions related to their implications for therapies in sleep-wake medicine. In particular, the orexin system is serving as a therapeutic target to develop agents for insomnia and narcolepsy.

This neuroscienceCME CME Snack provides an overview of the discovery of orexin, its purported physiological actions, and ways in which its biochemical pathway represents a therapeutic target for pharmacologic innovation.


  • Mieda M, Sakurai T. Overview of orexin/hypocretin system. Prog Brain Res. 2012;198:5-14. PMID: 22813966.
  • Sakurai T, Mieda M, Tsujino N. The orexin system: roles in sleep/wake regulation. Ann N Y Acad Sci. 2010;1200:149-161. PMID: 20633143.

    Activity Goal

    To educate clinicians about the role of the orexin system in sleep-wake disorders.

    Learning Objectives

    At the end of this CE activity, participants should be able to:

    • Categorize current data and expert views about the role of orexins in the arousal system and wakefulness.
    • Justify why the orexin system represents a therapeutic target for developing treatments for narcolepsy and insomnia.

    Financial Support

    This activity is supported by CME Outfitters, LLC.

    Target Audience

    Physicians, pharmacists, and other health care providers who are interested in the advancing discoveries about the role of neurotransmitters in sleep medicine.

    Credit Information

    CME Credit (Physicians):
    CME Outfitters, LLC, is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.

    CME Outfitters, LLC, designates this enduring material for a maximum of .5 AMA PRA Category 1 Creditâ„¢. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

    CPE Credit (Pharmacists):
    ACPE CME Outfitters, LLC, is accredited by the Accreditation Council for Pharmacy Education as a provider of continuing pharmacy education. .5 contact hours (0.05 CEUs)
    Universal Activity Number: 0376-0000-12-027-H01-P (recorded programs)
    Activity Type: knowledge-based

    Post-tests, credit request forms, and activity evaluations must be completed online at www.cmeoutfitters.com/TST731 (requires free account activation), and participants can print their certificate or statement of credit immediately (80% pass rate required). This website supports all browsers except Internet Explorer for Mac. For complete technical requirements and privacy policy, visit www.neurosciencecme.com/technical.asp.

    Disclosure Declaration

    It is the policy of CME Outfitters, LLC, to ensure independence, balance, objectivity, and scientific rigor and integrity in all of their CE activities. Faculty must disclose to the participants any relationships with commercial companies whose products or devices may be mentioned in faculty presentations, or with the commercial supporter of this CE activity. CME Outfitters, LLC, has evaluated, identified, and attempted to resolve any potential conflicts of interest through a rigorous content validation procedure, use of evidence-based data/research, and a multidisciplinary peer review process. The following information is for participant information only. It is not assumed that these relationships will have a negative impact on the presentations.

    Dr. Nemeroff has disclosed that he receives grants/research support from the Agency for Healthcare Research and Quality (AHRQ) and the National Institutes of Health (NIH). He serves as a consultant to Eli Lilly and Company; Shire Pharmaceuticals, Inc.; SK Pharma; Roche; Takeda Pharmaceuticals North America, Inc.; and Xhale, Inc. He serves on the scientific advisory boards of the American Foundation for Suicide Prevention (AFSP); Anxiety Disorders Association of America (ADAA); CeNeRx BioPharma; National Alliance for Research on Schizophrenia and Depression (NARSAD); PharmaNeuroBoost; Xhale, Inc.; Skyland Trail; and AstraZeneca Pharmaceuticals (2009). He serves on the board of directors of the American Foundation for Suicide Prevention (AFSP); Gratitude America; Cook Pharma, Inc. (2010); NovaDel Pharma, Inc; and Skyland Trail. He is a stockholder of CeNeRx BioPharma; NovaDel Pharma, Inc., PharmaNeuroBoost; Reevax Pharmaceuticals LLC; and Xhale, Inc. His other financial Interests include CeNeRx BioPharma and PharmaNeuroBoost. He holds patents for the following: method and devices for transdermal delivery of lithium (US 6,375,990B1); method of assessing antidepressant drug therapy via transport inhibition of monoamine neurotransmitters by ex vivo assay (US 7,148,027B2).

    Dr. McCall has no disclosures to report.

    Howard Bliwise, MD (peer review) has no disclosures to report.

    Monique D. Johnson, MD, CCMEP (planning committee) has no disclosures to report.

    Joy Bartnett Leffler, MLA, NASW, CSE (planning committee) has no disclosures to report.

    Sandra Haas Binford, MAEd (planning committee) has no disclosures to report.

    Sharon Tordoff, CCMEP (planning committee) has no disclosures to report.

    Unlabeled Use Disclosure

    Faculty of this CE activity may include discussions of products or devices that are not currently labeled for use by the FDA. The faculty have been informed of their responsibility to disclose to the audience if they will be discussing off-label or investigational uses (any uses not approved by the FDA) of products or devices.

    CME Outfitters, LLC, and the faculty do not endorse the use of any product outside of the FDA labeled indications. Medical professionals should not utilize the procedures, products, or diagnosis techniques discussed during this activity without evaluation of their patient for contraindications or dangers of use.

    Questions about this activity? Call us at 877.CME.PROS (877.263.7767).

    SN-047-112912-00

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