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, Sevilla, Spain
The Royal Marsden NHS Foundation Trust, Sutton, Surrey, United Kingdom
The START Center for Cancer Care, San Antonio, Texas, United States
Rocky Mountain Cancer Center, Denver, Colorado, United States
M D Anderson Cancer Center, Houston, Texas, United States
Medical University of Vienna, Vienna, Austria
Columbia University, New York, New York, United States
Fox Chase Cancer Center, Philadelphia, Pennsylvania, United States
Hillman Cancer Center, Pittsburgh, Pennsylvania, United States
University of Chicago, Chicago, Illinois, United States
Centre Guillaume le conquérant, Le Havre, France
Bank of Cyprus Oncology Centre, Nicosia, Strovolos, Cyprus
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