Understanding the treatment paradigm and the sequencing of antiglaucoma fixed-dose combinations in a tertiary center in South India

Indian J Ophthalmol. 2024 Jun 1;72(6):896-901. doi: 10.4103/IJO.IJO_694_23. Epub 2024 Apr 16.

Abstract

Purpose: To analyze the medical management of primary open-angle glaucoma (POAG) and ocular hypertension (OHT) and the placement of fixed-drug combination drugs (FDC) in the treatment paradigm at a tertiary eye care center in South India.

Methods: Retrospective study (January 2011-December 2015) of newly diagnosed POAG and OHT patients (≥18 years) with ≥5 years follow-up. Primary outcome included percentage use of different antiglaucoma drugs (at initiation) and FDCs at the first, second, and third progression (sequencing). Secondary outcomes: Percentage discontinuation for different FDCs, efficacy parameters (decrease in intraocular pressure (IOP)/visual field), adverse events, and the median number of antiglaucoma medications (AGMs) after 5 years.

Results: Three hundred and seventy eyes (198 patients) were analyzed; 84% of them had POAG. Prostaglandin analogs (PGAs) were the most common (66.2%). FDCs were started in 48 eyes (12.9%), with brimonidine + timolol combination being the most common. FDC usage at subsequent modifications was 10.1%, 24.04%, and 30.0%. Beta-blockers and PGAs were the most frequently prescribed AGMs in our practice pattern, with β-blockers being the most consistent one.

Conclusion: This study is a fairly large study with a minimum of a 5-year follow-up of patients with POAG and OHT and gives insights into the treatment patterns, use of FDCs, and the need for multiple medications over time.

MeSH terms

  • Adult
  • Aged
  • Antihypertensive Agents* / administration & dosage
  • Dose-Response Relationship, Drug
  • Drug Combinations
  • Drug Therapy, Combination
  • Female
  • Follow-Up Studies
  • Glaucoma, Open-Angle* / drug therapy
  • Glaucoma, Open-Angle* / physiopathology
  • Humans
  • India / epidemiology
  • Intraocular Pressure* / drug effects
  • Intraocular Pressure* / physiology
  • Male
  • Middle Aged
  • Ocular Hypertension / diagnosis
  • Ocular Hypertension / drug therapy
  • Ophthalmic Solutions / administration & dosage
  • Retrospective Studies
  • Tertiary Care Centers* / statistics & numerical data
  • Treatment Outcome
  • Visual Fields / physiology

Substances

  • Antihypertensive Agents
  • Drug Combinations
  • Ophthalmic Solutions