Muna Kukadzi 2023, iyo Chikafu neDrug Administration (FDA) yakawedzera kubvumidzwa kwetucatinib (Tukysa, Seagen Inc.) uye trastuzumab kurapwa kweRAS yemusango-mhando HER2-positive colorectal cancer iyo yapararira kana isingakwanise kudzoreredzwa.