Modification Tadalafil and Macitentan tablets to aerosol

Aerosolised drugs have been approved for several diseases such as cystic fibrosis and diabetes. Moreover; there are already drugs for pulmonary hypertension in aerosol form already on the market.Two drugs for pulmonary hypertension (Tadalafil and Macitentan) were milled and transformed from tablets to powder. Three different jet-nebulizers with seven different residual cups were combined. Moreover, we used 3 different ultrasound nebulizers with two different release methods.The drug and residual cup designs produce alone or jointly different MMAD diameters. The three large (10 mls) residual cups with the jet-nebulisers produced the smallest aerosol droplets. Both ultrasound nebulisers are capable of producing optimal size aerosol droplets ≤5 μm mmad.These two drugs can be easily administered as aerosol and an vivo clinical study will prove the safety for the airways.