The drug was approved in the U.S. in Feb 2013 for the treatment of patients suffering from HER2-positive metastatic breast cancer. In Nov 2013, the drug was approved in the EU for the same indication. The company recorded $3.4 million of royalty payments from Roche during the fiscal fourth quarter for sales of Kadcyla in the first quarter of calendar year 2014. Kadcyla is being developed for other indications as well. ImmunoGen's research and development support fees in the fourth quarter of fiscal 2014 were down 39.8% to $1.3 million. The company also recorded $0.7 million of clinical materials revenue during the quarter compared with $0.2 million in the year-ago quarter. Total operating expenses increased 25.1% to $32.2 million. ImmunoGen reported research and development (R&D) expenses of $25.8 million during the quarter, up 26.4% year over year. General and administrative expenses in the reported quarter increased 20.1% to $6.5 million. Fiscal 2015 Outlook Apart from releasing its financial results, ImmunoGen also provided a fiscal 2015 guidance. The company expects fiscal 2015 total revenues in the range of $100 million to $105 million.