The safety and efficacy of glaucoma medication in the pediatric population

Greet Coppens1, Ingeborg Stalmans, Thierry Zeyen

  • 1Department of Ophthalmology University Hospitals Leuven, Leuven, Belgium.

Insights

Timolol is a preferred topical glaucoma medication for children. Combining timolol with dorzolamide effectively controls intraocular pressure (IOP) with good tolerance in pediatric glaucoma patients.

Area of Science:

  • Ophthalmology
  • Pediatric Medicine
  • Pharmacology

Background:

  • Topical glaucoma medications are standard for childhood glaucoma.
  • Limited data exists on newer glaucoma drug efficacy and safety in pediatric populations.
  • A comprehensive review of English-language literature since 1980 was conducted.

Purpose of the Study:

  • To review current medical therapies for pediatric glaucoma.
  • To evaluate the efficacy and safety of different glaucoma drug classes in children.
  • To identify gaps in knowledge regarding newer glaucoma medications in pediatric use.

Main Methods:

  • Literature review of English-language reports on pediatric glaucoma medication since 1980.
  • Analysis of data from PubMed and other sources.
  • Categorization of medications into beta-blockers, carbonic anhydrase inhibitors, alpha2-agonists, and prostaglandin analogs.

Main Results:

  • Timolol is the primary choice for pediatric glaucoma treatment.
  • A combination of timolol and dorzolamide effectively controls intraocular pressure (IOP) with good tolerability.
  • Alpha2-agonists present significant adverse effects in children and are contraindicated under age 2.
  • Latanoprost shows reduced IOP-lowering efficacy in children compared to adults, though its safety profile is excellent.

Conclusions:

  • Timolol and dorzolamide combinations offer effective and well-tolerated IOP control in pediatric glaucoma.
  • Caution is advised with alpha2-agonists in young children due to adverse effects.
  • Further research is needed to establish the role of latanoprost in pediatric glaucoma monotherapy.

Related Concept Videos

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight, compared...
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...
Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...