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.
Department of Medical Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
John Theurer Cancer Center at Hackensack University Medical Center, Hackensack, New Jersey, United States
Minnesota Oncology Hematology, Minneapolis, Minnesota, United States
Memorial Sloan Kettering Cancer Center, New York, New York, United States
The Catholic University of Korea St. Vincent Hospital, Suwon-si,, Gyeonggi-do, Korea, Republic of
Chonnam National University Hwasun Hospital, Hwasun, Jeollanam-do, Korea, Republic of
Hanllym University Medical Center, Anyang-si, Gyeonggi-do, Korea, Republic of
Sidney Kimmel Comprehensive Cancer Center, Baltimore, Maryland, United States
Xiangya Hospital Central South University, Changsha, Hunan, China
Liaoning Cancer Hospital & Insititute, Shenyang, Liaoning, China
Shanghai Pulmonary Hospital, Shanghai, Shanghai, China
Virginia Cancer Specialists, Fairfax, Virginia, United States
Providence Medical Foundation St Jude Heritage Healthcare, Fullerton, California, United States
Valkyrie Clinical Trials, Los Angeles, California, United States
Institut Jean Godinot, Reims, France
Centre Henri Becquerel, Rouen, France
Institut de Cancérologie Strasbourg-Europe, Strasbourg, France
National Cancer Center Hospital East, Kashiwa, Chiba, Japan
Johns Hopkins Hospital-Sidney Kimmel Comprehensive Cancer Center - GI and Immunology ( Site 0013), Baltimore, Maryland, United States
CHUV (centre hospitalier universitaire vaudois) ( Site 0333), Lausanne, Vaud, Switzerland
Hospital Universitario Central de Asturias-Hepatology ( Site 0309), Oviedo, Asturias, Spain
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