The sad phase III fate of Abbvie Inc.’s rovalpituzumab tesirine, also known as rova T, in advanced small-cell lung cancer (SCLC) has not discouraged other drug developers targeting delta-like ligand 3 (DLL3) – not all of them, anyway.
Oncology drugs that have racked up a number of indications through accelerated approvals are losing some of those indications as the result of an FDA industrywide evaluation of confirmatory trials that didn’t back up the approvals.