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.
Precision NextGen Oncology, Beverly Hills, California, United States
Northwest Medical Specialties, Tacoma, Washington, United States
M D Anderson Cancer Center, Houston, Texas, United States
1st Department of Medicine, Cologne University Hospital, Cologne, Germany
National Institutes of Health Clinical Center, Bethesda, Maryland, United States
Taichung Veterans General Hospital-GYNECOLOGY ( Site 0033), Taichung, Taiwan
National Cheng Kung University Hospital-Clinical Trial Center ( Site 0032), Tainan, Taiwan
National Taiwan University Hospital ( Site 0031), Taipei, Taiwan
USC Norris Comprehensive Cancer Center, Los Angeles, California, United States
University of Chicago, Chicago, Illinois, United States
Fred Hutchinson Cancer Center, Seattle, Washington, United States
Isala Hospital, Zwolle, Netherlands
UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, United States
Peking University First Hospital Ethics Committee, Beijing, Beijing, China
Levine Cancer Institute, Charlotte, North Carolina, United States
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