Though there is this interesting article in the April issue:
Review
External control arms in oncology: current use and future directions
P. S. Mishra-Kalyani, L. Amiri Kordestani, D. R. Rivera,
H. Singh, A. Ibrahim, R. A. DeClaro, Y. Shen, S. Tang,
R. Sridhara, P. G. Kluetz, J. Concato, R. Pazdur &
J. A. Beaver