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.
University of California San Diego Moores Cancer Center, La Jolla, California, United States
Norris Cotton Cancer Center Lebanon, Lebanon, New Hampshire, United States
Morristown Medical Center, Morristown, New Jersey, United States
Kanagawa Cancer Center ( Site 0004), Yokohama, Kanagawa, Japan
JOHAS Okayama Rosai Hospital ( Site 0002), Okayama, Japan
Hyogo College of Medicine Hospital ( Site 0003), Nishinomiya, Hyogo, Japan
Universitaetsklinikum Regensburg ( Site 2007), Regensburg, Bayern, Germany
Rutgers Cancer Institute of New Jersey ( Site 0002), New Brunswick, New Jersey, United States
Providence Portland Medical Center [Portland, OR] ( Site 0005), Portland, Oregon, United States
University of Maryland Medical Center, Baltimore, Maryland, United States
University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, United States
Beatson West of Scotland Cancer Center, Glasgow, Scotland, United Kingdom
Royal Marsden NHS Trust, Sutton, United Kingdom
Addenbrookes Hospital, Cambridge, Cambridgeshire, United Kingdom
Mural Oncology Investigational Site, Austin, Texas, United States
Memorial Sloan Kettering Cancer Center, New York, New York, United States
The Oncology Institute of Hope and Innovation, Downey, California, United States
University of California at Davis, Davis, California, United States
Novartis Investigative Site, Bangkok, Thailand
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