Yttrium (90Y) clivatuzumab tetraxetan
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| Monoclonal antibody | |
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| Type | Whole antibody |
| Source | Humanized (from mouse) |
| Target | MUC1 |
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| Chemical and physical data | |
| Formula | C6496H9952N1716O2014S44 |
| Molar mass | 145723.71 g·mol−1 |
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Yttrium (90Y) clivatuzumab tetraxetan (trade name hPAM4-Cide) is a humanized monoclonal antibody-drug conjugate designed for the treatment of pancreatic cancer. The antibody part, clivatuzumab (targeted at MUC1), is conjugated with tetraxetan, a chelator for yttrium-90, a radioisotope which destroys the tumour cells.
The drug was developed by Immunomedics, Inc.
In March 2016 the phase III PANCRIT-1 trial in metastatic pancreatic cancer was terminated early due to lack of improvement of overall survival.