Ambrisan – 5 mg Tablet/pcs
- Brand: Square Pharmaceuticals Ltd
Generic Name: Ambrisentan
Therapeutic class: Endothelin receptor blocker (Cardiovascular Preparations)
Manufacturer: Square Pharmaceuticals Ltd
Ambrisentan is indicated for the treatment of pulmonary arterial hypertension (PAH) (WHO Group 1):
- To improve exercise ability and delay clinical worsening.
- In combination with tadalafil to reduce the risks of disease progression and hospitalization for worsening PAH, and to improve exercise ability.
Studies establishing effectiveness included predominantly patients with WHO Functional Class II–III symptoms and etiologies of idiopathic or heritable PAH (60%) or PAH associated with connective tissue diseases (34%).
Initial treatment is 5 mg once daily, and can be increased to 10 mg once daily if 5 mg is tolerated. Ambrisentan may be administered with or without food.
Pregnancy & Lactation
Precautions & Warnings
Fluid Retention: Peripheral edema is a known class effect of endothelin receptor antagonists, and is also a clinical consequence of PAH and worsening PAH.
Pulmonary Veno-occlusive Disease: If patients develop acute pulmonary edema during initiation of therapy with vasodilating agents such as Ambrisentan, the possibility of pulmonary veno-occlusive disease should be considered, and if con_rmed. Ambrisentan should be discontinued.
Hematological Changes: Decreases in hemoglobin concentration and hematocrit have followed administration of other endothelin receptor antagonists and were observed in clinical studies with Ambrisentan.
Use in Special Populations
Pediatric patients: Safety and effectiveness of Ambrisentan in pediatric patients have not been established.
Hepatic impaired patient: Ambrisentan is not recommended in patients with moderate or severe hepatic impairment.
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