Nice find, and an unusually readable paper. The group writing is taking the position that pona would be best as part of a combo therapy; from the last page
"The toxicity profile of ponatinib, however, precludes its use alone as a frontline agent.48 To circumvent this unwanted toxicity, one possibility may include using ponatinib in combination with other therapeutic agents to allow for dose-lowering of ponatinib."
Dose-lowering is not new news, and their objective and positive view of the drug generally is gratifying. One quote (on page 244) in particular;
"However, in nearly one-third of patients, first-line TKI treatment will eventually become ineffective, forcing patients to start on another TKI.12 Most patients will convert to either nilotinib or dasatinib. However, for some patients, especially those possessing the T315I kinase domain mutation, ponatinib (Iclusig®) will be the ideal TKI."