Pembrolizumab is a highly selective IgG4-kappa humanized monoclonal antibody against PD-1 receptors. It was generated by grafting the variable sequences of a very high-affinity mouse antihuman PD-1 antibody onto a human IgG4-kappa isotype containing a stabilizing S228P Fc mutation. It contains 32 cysteine residues and the complete folded molecule includes 4 disulfide linkages as interchain bonds and 23 interchain bonds. It was developed by Merck & Co and first approved for the treatment of metastatic malignant melanoma by the FDA on September 4, 2014, becoming the first approved therapy against PD-1. In the time since its initial approval, pembrolizumab has been granted approval in the treatment of a wide variety of cancers.
Pembrolizumab is indicated for the following conditions:
For all approved adult indications, pembrolizumab may be used for an additional 6 weeks at 400mg weekly.
GSK Investigational Site, Wrexham, United Kingdom
University of Chicago Medical Center, Chicago, Illinois, United States
Stamford Hospital, Stamford, Connecticut, United States
Eastern Maine Medical Center, Brewer, Maine, United States
University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, Pennsylvania, United States
Macquarie University Hospital Clinical Trials Unit, Sydney, New South Wales, Australia
Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
Florida Cancer Specialists & Research Institute, Lake Mary, Florida, United States
University of Colorado Cancer Center, Aurora, Colorado, United States
Hospital of The University of Pennsylvania, Philadelphia, Pennsylvania, United States
Emory University/Winship Cancer Institute, Atlanta, Georgia, United States
University of Chicago Medical Center, Chicago, Illinois, United States
Dana Farber Cancer Institute, Boston, Massachusetts, United States
Seoul National University Hospital, Seoul, Korea, Republic of
Duke University Medical Center, Durham, North Carolina, United States
University of North Carolina Medical Center, Chapel Hill, North Carolina, United States
Johns Hopkins, Baltimore, Maryland, United States
MD Anderson Cancer Center, Houston, Texas, United States
University of Virginia, Richmond, Virginia, United States
Centre Léon Bérard, Lyon, France
Massachusetts General Hospital Cancer Center, Boston, Massachusetts, United States
University of Chicago Medical Center, Chicago, Illinois, United States
Duke University Medical Center, Durham, North Carolina, United States
National Cancer Center Hospital, Chuo-ku, Other, Japan
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