Effekten og sikkerheden af samtidig indgivelse af Thelin med andre behandlinger for PAH (f. eks. epoprostenol, sildenafil, iloprost) er ikke blevet undersøgt i kontrollerede kliniske forsøg.
The efficacy and safety of Thelin co-administration with other treatments for PAH (eg, epoprostenol, sildenafil, iloprost) has not been studied in controlled clinical trials.