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Changes in monoclonal antibodies nomenclature

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The nomenclature of International Nonproprietary Names (World Health Organization INN) for monoclonal antibodies is evolving. 
A revised system was approved at the end of last year. 
As explained in the paper by Guimaraes Koch & al. in their informative paper*:

  • all pharmacological substances that contained an immunoglobulinvariable domain were coined with the stem -mab
  • the number of INN with the stem -mab increased dramatically in the last years reaching 879 at the time of publication (2022)
  • it therefore became difficult to find new – distinguishable – INN, so the WHO INN Expert Group decided to revise the system 
  • the radical decision was made to discontinue the use of the well-known stem -mab in naming new antibody-based drugs and going forward, to replace it with four new stems: -tug, -bart, -mig, and -ment

That’s how the names of the future “babies“ of the scientific community will look and sound like.

Are you involved in R&D on antibodies ? 
Are you planning to screen different protein variants?

We at Magellan Biologics & Consulting proudly support the scientificcommunity in their R&D projects through our CHO4Tx® product portfolio that allows in-house, fast, easy and efficient transient protein expression in CHO cells and through personalized advices and consultancies. 

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