Solasia's arsenical drug darinaparsin has received its global-first approval in Japan, for PTCL, in a landmark for the Texan chemist who discovered it back in the 70s and paving the way for wider indications and Asian markets.

GlaxoSmithKline has sold its US rights to migraine drug Treximet (sumatriptan/naproxen) to Pernix Therapeutics for $250m. GSK licensed the rights from Pozen under a collaboration that began in 2003. US sales in 2013 were $79m, so the deal almost doubles Pernix's revenues.

The Dealmaking column is a survey of recent transactions, including strategic alliances, mergers & acquisitions, and financings, in the life sciences industries. Deals are listed by the following industry sectors: in vitro diagnostics, medical devices, pharmaceuticals, and research/analytical instrumentation and reagents. All transactions are excerpted from Elsevier's Strategic Transactions database, providing comprehensive transaction coverage from 1991 to the present.

After a 20-year hiatus, the market for acute and chronic migraine is set to expand with the introduction of Allergan’s Botox and of novel formulations of triptans and alternative therapies.