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.
John Hopkins Medical Center, Baltimore, Maryland, United States
Memorial Sloan Kettering Cancer Center, New York, New York, United States
Fox Chase Cancer Center, Philadelphia, Pennsylvania, United States
Fox Chase Cancer Center ( Site 0006), Philadelphia, Pennsylvania, United States
Cross Cancer Institute ( Site 0033), Edmonton, Alberta, Canada
Jewish General Hospital ( Site 0034), Montreal, Quebec, Canada
Dana-Farber Cancer Institute, Boston, Massachusetts, United States
University of California, San Francisco, San Francisco, California, United States
Gustave Roussy, Villejuif, Val De Marne, France
M D Anderson Cancer Center, Houston, Texas, United States
National Institutes of Health Clinical Center, Bethesda, Maryland, United States
Mayo Clinic in Arizona, Scottsdale, Arizona, United States
Mayo Clinic Hospital in Arizona, Phoenix, Arizona, United States
Mayo Clinic in Rochester, Rochester, Minnesota, United States
University Hospitals Leuven, Leuven, Belgium
AUH, Aarhus, Denmark
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