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Frequently Asked Questions. What is Betimol? Betimol (timolol ophthalmic solution), 0.25% and 0.5%, is a non-selective beta-adrenergic antagonist for ophthalmic use and it is indicated in the treatment of elevated intraocular pressure in patients with ocular hypertension or open-angle glaucoma.
Erlotinib is an epidermal growth factor receptor inhibitor (EGFR inhibitor). The drug follows Iressa , which was the first drug of this type. Erlotinib specifically targets the epidermal growth factor receptor (EGFR) tyrosine kinase, which is highly expressed and occasionally mutated in various forms of cancer.