Sildenafil is an inhibitor of cGMP specific phosphodiesterase type-5 (PDE-5) in the smooth muscle of the pulmonary vasculature, where PDE-5 is responsible for degradation of cGMP. Sildenafil increases ...

Dr. Reddy’s Laboratories announced the launch of Sildenafil Tablets, the generic version of Pfizer‘s Revatio, following the FDA approval of its Abbreviated New Drug Application (ANDA). Revatio is ...

Pharmaceutical companies Mylan (NAS: MYL) and Watson Pharmaceuticals (NYS: WPI) have announced that they have received FDA approval for generic versions of Pfizer's (NYS: PFE) Revatio, a drug used to ...

HYDERABAD, India — Dr. Reddy's Labs has launched a generic drug for treating pulmonary arterial hypertension, the company said. Dr. Reddy's announced the launch of sildenafil tablets in the 20 mg ...

Amneal has received the Food and Drug Administration’s clearance for three generics that it is introducing immediately. The company received approval for its generic of Revatio for oral suspension ...