Bromfenac
(Redirected from Prolensa)
Nonsteroidal anti-inflammatory drug
Bromfenac is a nonsteroidal anti-inflammatory drug (NSAID) used primarily in the treatment of ocular inflammation and pain following cataract surgery. It is available in the form of an ophthalmic solution and is known for its ability to inhibit the cyclooxygenase (COX) enzymes, which play a key role in the inflammatory process.
Pharmacology[edit | edit source]
Bromfenac works by inhibiting the cyclooxygenase enzymes, specifically COX-1 and COX-2, which are involved in the conversion of arachidonic acid to prostaglandins. Prostaglandins are mediators of inflammation, and their inhibition leads to reduced inflammation and pain. Bromfenac is particularly effective in reducing ocular inflammation due to its ability to penetrate ocular tissues efficiently.
Medical uses[edit | edit source]
Bromfenac is primarily used in the management of postoperative inflammation and reduction of ocular pain in patients who have undergone cataract surgery. It is administered as an eye drop, typically once or twice daily, depending on the formulation and the specific needs of the patient.
Side effects[edit | edit source]
Common side effects of bromfenac include mild to moderate eye irritation, conjunctival hyperemia, and eye pain. Serious side effects are rare but can include corneal thinning, corneal erosion, and delayed healing. Patients are advised to report any unusual symptoms to their healthcare provider.
Chemistry[edit | edit source]
Bromfenac is chemically known as 2-amino-3-(4-bromobenzoyl)phenylacetic acid. It is a derivative of amfenac, with a bromine atom added to enhance its anti-inflammatory properties. The presence of the bromine atom increases the lipophilicity of the molecule, allowing for better penetration into ocular tissues.
Comparison with Amfenac[edit | edit source]
Bromfenac is closely related to amfenac, another NSAID used in ophthalmology. The primary difference between the two is the presence of a bromine atom in bromfenac, which enhances its potency and duration of action compared to amfenac. This modification allows bromfenac to be used at lower concentrations while maintaining efficacy.
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