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Checkpoint inhibitor therapy is a form of cancer immunotherapy. The therapy targets immune checkpoints, key regulators of the immune system that when stimulated can dampen the immune response to an immunologic stimulus. Some cancers can protect themselves from attack by stimulating immune checkpoint targets.
PD-1 inhibitors and PD-L1 inhibitors are a group of checkpoint inhibitor anticancer drugs that block the activity of PD-1 and PDL1 immune checkpoint proteins present on the surface of cells. Immune checkpoint inhibitors are emerging as a front-line treatment for several types of cancer.
IgG4 antibody that functions as a checkpoint inhibitor, specifically inhibiting PD-1 Melanoma , lung cancer , malignant pleural mesothelioma , renal cell carcinoma , Hodgkin lymphoma , head and neck cancer , urothelial carcinoma , colon cancer , esophageal squamous cell carcinoma , liver cancer , gastric cancer , and esophageal or ...
This checkpoint is the target of Merck & Co.'s melanoma drug Keytruda, which gained FDA approval in September 2014. The checkpoint is also the target of EMD Serono (Merck KGaA)'s drug Bavencio, which gained FDA approval in 2017. An advantage of targeting PD-1 is that it can restore immune function in the tumor microenvironment.
Immune checkpoint inhibitors: drugs that block immune system checkpoints to allow immune cells to respond more strongly to the cancer. T-cell transfer therapy : a treatment that takes T-cells from the tumor and selects or changes them in the lab to better attack cancer cells, then reintroduces them into the patient.
An immune checkpoint regulator is a modulator of the immune system, that allows initiation of a productive immune response and prevents the onset of autoimmunity. Examples of such a molecule are cytotoxic T-lymphocyte antigen 4 (CTLA-4 or CD152), which is an inhibitory receptor found on immune cells and programmed cell death 1 (CD279), which has an important role in down-regulating the immune ...
Pembrolizumab, sold under the brand name Keytruda, is a humanized antibody, more specifically a PD-1 inhibitor, used in cancer immunotherapy that treats melanoma, lung cancer, head and neck cancer, Hodgkin lymphoma, stomach cancer, cervical cancer, and certain types of breast cancer.
The US Food and Drug Administration (FDA) approved durvalumab for certain types of bladder, lung, and biliary tract cancer: [6] [13] [14]. Adults with locally advanced or metastatic urothelial carcinoma who either have disease progression during or following platinum-containing chemotherapy or have disease progression within twelve months of neoadjuvant or adjuvant treatment with platinum ...