Duality Biotherapeutics, Inc., a clinical-stage biotech company, discovers and develops antibody-drug conjugate (ADC) therapeutics to treat cancer, autoimmune diseases, and others. The company provides DB-1303/BNT323, a HER2 ADC candidate targeting cancers, including endometrial cancer1 and breast cancer2; DB-1311/BNT324, a B7-H3 ADC candidate targeting cancers, such as small-cell lung cancer3, castration-resistant prostate