ApTis, a company specializing in antibody-drug conjugate (ADC) development, announced on the 7th that it has signed a technology cooperation contract for antibody-drug combination platform for new drug development with global CDMO company Ron.

With this cooperation, AbTis' "AppClick" platform technology will be included in Lonza's customized solution toolbox for developing antibody-binding candidate drugs. AppClick is a location-selective ADC linker platform technology that allows users to easily and quickly connect various drugs without antibody deformation. Appclick improved the chemical stability of ADCs by using cyclic peptides that irreversibly bind to specific sites of antibodies.