Results from multiple studies have shown promising response rates, and extracorporeal photopheresis has an overall excellent safety profile with very few adverse events reported.

A fixed combination halobetasol propionate and tazarotene lotion (HP/TAZ) was launched in Canada in 2020, to treat moderate to severe plaque psoriasis in adults. With the use of polymeric emulsion technology, there is uniform distribution of HP and TAZ and excipients on the skin and improved skin moisturization.