definiens: means any and all activities conducted by or on behalf of a Party ’s or any of its Affiliates ’ personnel designated as medicalscience liaisons ( or similar title ) as well as other personnel within their respective medical affairs departments interacting with physicians or otherhealthcare professionals who utilize or conduct research related to a drug or biological product, including communications with key opinionleaders, medical education, symposia, advisory boards ( to the extent related to medical affairs or clinical guidance ), and other medical programsand communications, including educational grants and fellowships, research grants ( including conducting investigator - initiated studies followingRegulatory Approval ), charitable donations, medical resourcing and allocation, medical and scientific platform, content development, publications, and communications, KME and KOL engagement, congress planning, real - world evidence generation through registry or phase IVstudies, conducting advisory board meetings or other consultant programs, the purpose of which is to obtain advice and feedback related to thelaunch of a given product, post - approval investigator initiated trials or scientific research agreements, activities related to patient registries, physician and nurse services, education and support, in each case, to the extent related to medical affairs and not to activities that involve thepromotion, marketing, sale, or other Commercialization of Option Products . Medical Affairs excludes any activities directed to Manufacturing, Development, or Commercialization