It’s easy to think that the only excitement in the world of drug research centers around weight-loss drugs. However, there is one other area that is also creating a lot of buzz in the pharmaceutical industry – a class of molecules known as antibody-drug conjugates (ADCs). Think of ADCs as guided missiles that attack cancer. They use antibodies to deliver chemicals directly to tumors. ADCs have been around for decades, but they have recently improved so much that now there is much talk about how ADCs will replace conventional chemotherapy. Currently, there is a lot of money pouring into ADCs, s…