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.
Cleveland Clinic, Cleveland, Ohio, United States
GZA Ziekenhuizen, Antwerpen, Belgium
CHU de Liège, Liege, Belgium
Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire, United States
Dana-Farber Cancer Institute, Boston, Massachusetts, United States
Kantonsspital Sankt Gallen, St. Gallen, Switzerland
City of Hope National Medical Center, Duarte, California, United States
Johns Hopkins University (Data Collection Only), Baltimore, Maryland, United States
Massachusetts General Hospital (Data Collection Only), Boston, Massachusetts, United States
Memorial Sloan Kettering Bergen (Limited Protocol Activities), Montvale, New Jersey, United States
Cedars-Sinai Medical Center, Los Angeles, California, United States
Highlands Oncology Group, Springdale, Arkansas, United States
Ordensklinikum Linz GmbH Elisabethinen, Linz, Oberösterreich, Austria
Gustave Roussy, Villejuif, Val De Marne, France
University of Iowa Hospitals & Clinics, Iowa City, Iowa, United States
Research Site, Vinh, Vietnam
Moffitt Cancer Center, Tampa, Florida, United States
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