Adcetris is the brand name of Brentuximab Vedotin. This drug is unique as it has two different components:
Brentuximab is a monoclonal antibody that carries the active drug, Vedotin, to target sites.
Target sites are CD-30 positive cancer cells. Thus, the drug is released only at the site where cancer cells are rapidly proliferating.
It is available in Pakistan but is too costly. Each injection costs around PKR 200,000/-
More details about this drug can be read here: Brentuximab Vedotin (Adcetris)