Related Experiment Videos
Patient persistence with first-line antiglaucomatous monotherapy
Alfonso Arias1, Konrad Schargel, Fernando Ussa
1Ophthalmology Department, Fundación Hospital Alcorcón, Madrid, Spain.
Clinical Ophthalmology (Auckland, N.Z.)
|May 14, 2010
Summary
Latanoprost demonstrates superior patient persistence in glaucoma treatment compared to bimatoprost, travoprost, and timolol. This sustained use may improve intraocular pressure control and reduce healthcare costs.
Area of Science:
- Ophthalmology
- Pharmacology
- Health Economics
Background:
- Glaucoma management requires long-term adherence to topical medications.
- Prostaglandins and beta-blockers are common first-line monotherapies for glaucoma.
Purpose of the Study:
- To compare the persistence of glaucoma patients treated with prostaglandin analogs (latanoprost, bimatoprost, travoprost) versus timolol monotherapy.
- To identify factors influencing treatment adherence in glaucoma patients.
Main Methods:
- Retrospective observational study with 24-month follow-up of 191 glaucoma patients.
- Data extracted from medical charts, including treatment discontinuation dates.
- Kaplan-Meier survival analysis and Cox regression to assess drug persistence and influencing variables.
Main Results:
- Latanoprost showed significantly higher persistence (81.6%) at 24 months compared to bimatoprost (22.9%), travoprost (65.4%), and timolol (60.5%).
- Treatment discontinuation risk was six times higher with bimatoprost versus latanoprost.
- Patient age and the specific antiglaucoma agent were significant predictors of persistence.
Conclusions:
- Latanoprost is associated with greater patient persistence in routine glaucoma care compared to other monotherapies.
- Higher persistence with latanoprost may lead to improved intraocular pressure control and reduced economic burden.
- Lack of efficacy and adverse events were primary reasons for discontinuation, particularly with bimatoprost.
Related Concept Videos
Open Angle Glaucoma: Treatment
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
Angle Closure Glaucoma: Treatment
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
Glaucoma: Overview
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
Ophthalmic Drug Delivery Systems
Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...
Psychosis: Goals of Pharmacotherapy
Antipsychotic drugs are a crucial treatment method for acute and chronic psychoses, bipolar illness, and behavioral disorders. The selection of these drugs depends on several factors, including the state of the disease, clinical judgment, possible drug interactions, and the patient's sensitivity to adverse effects. In immediate scenarios, such as delirium and dementia, short-term treatment with low doses of high-potency typical or atypical agents can effectively manage symptom exacerbation. For...