Zydus Cadila has received the Food and Drug Administration’s clearance for ambrisentan tablets in 5 mg and 10 mg dosage strengths.The product is the generic of Gilead’s Letairis tablets.It is used to treat high blood pressure in the lungs (pulmonary arterial hypertension).Ambrisentan tablets had a market value of $943 million in 2018, according to the company.The product will be manufactured at the group’s formulations manufacturing facility at SEZ, Ahmedabad, the company said.