Mapatumumab
| Monoclonal antibody | |
|---|---|
| Type | Whole antibody | 
| Source | Human | 
| Target | TRAIL-receptor (death receptor 4) | 
| Clinical data | |
| ATC code | 
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| Identifiers | |
| CAS Number | |
| ChemSpider | 
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| UNII | |
| Chemical and physical data | |
| Formula | C6748H10408N1800O2092S52 | 
| Molar mass | 151891.12 g·mol−1 | 
| (what is this?) (verify) | |
Mapatumumab (HGS-ETR1) is an experimental human monoclonal antibody undergoing clinical trials for the treatment of cancer. It targets TRAIL-R1, also known as DR4, which is expressed on the surface of many tumor cell types.