Yttrium (90Y) clivatuzumab tetraxetan

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Yttrium (90Y) clivatuzumab tetraxetan
Monoclonal antibody
TypeWhole antibody
SourceHumanized (from mouse)
Clinical data
ATC code
  • none
CAS Number
  • none
Chemical and physical data
Molar mass145723.71 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.[1] The antibody part, clivatuzumab (targeted at MUC1), is conjugated with tetraxetan, a chelator for yttrium-90,[2] 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.[3]


  1. ^ "Statement On A Nonproprietary Name Adopted By The USAN Council: Yttrium Y90 clivatuzumab tetraxetan" (PDF). American Medical Association.
  2. ^ WHO Drug Information
  3. ^ Immunomedics Provides Update on Phase 3 PANCRIT-1 Trial of Clivatuzumab Tetraxetan in Patients With Advanced Pancreatic Cancer. March 2016