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Proton pump inhibitor utilization patterns in infants
John J Barron1, Hiangkiat Tan, James Spalding
1HealthCore, Inc, Wilmington, DE, USA. jbarron@healthcore.com
Insights
Proton pump inhibitor (PPI) use in infants and neonates increased fourfold between 2000 and 2003. These findings highlight current PPI dosing patterns for pediatric gastroesophageal reflux disease, informing future clinical trials.
Area of Science:
- Pediatric Gastroenterology
- Neonatal Pharmacology
- Drug Utilization Studies
Background:
- Pediatric gastroesophageal reflux disease (GERD) management often involves acid suppression.
- Proton pump inhibitors (PPIs) are frequently used in infants, but utilization patterns require examination.
Purpose of the Study:
- To investigate the utilization patterns of proton pump inhibitors (PPIs) in infants and neonates.
- To assess demographic information and PPI dosing in a pediatric population.
Main Methods:
- Retrospective observational study using data from 1999-2004 across four US healthcare plans.
- Identified infants (<12 months) with at least one PPI pharmacy claim.
- Assessed demographic data, PPI utilization, and dosing via chart review in a subset.
Main Results:
- PPI use increased fourfold from 2000-2003, with lansoprazole and omeprazole being predominant.
- Commonly associated diagnoses included gastroesophageal reflux, feeding problems, and upper respiratory infections.
- Longer PPI duration correlated with increased comorbidities; median daily dosages were established for lansoprazole and omeprazole.
Conclusions:
- PPI utilization in infants and neonates showed a steady increase from 1999 to 2004.
- The study provides crucial data on PPI dosing patterns in infants.
- Findings can inform the design of future clinical trials for pediatric GERD.
Objective:
Practice patterns regarding pediatric gastroesophageal reflux disease include acid suppression for infants meeting certain clinical criteria. This study aimed to examine the use of proton pump inhibitors (PPI) in infants and neonates.
Patients And Methods:
This retrospective observational study used data from 1999 to 2004 from 4 health care plans in the United States. Infants age <12 months with at least 1 pharmacy claim for a PPI were identified. Demographic information and PPI utilization patterns were assessed. Medical charts were reviewed in a subset of patients to gather dosing information.
Results:
Identified infants (N = 2469) were 58% male. PPI use rose 4-fold from 2000 to 2003; lansoprazole and omeprazole were almost exclusively used. Treatment for almost half of the patients was initiated by their fourth month of life. The most common diagnoses identified through medical claims included gastroesophageal reflux (59%), problems feeding (23%), upper respiratory infections (23%), esophagitis (21%), and pain from gas (20%). Preindex H2 blockade was evident in 58% of the patients; preindex metoclopramide was used in 38% of the patients. Longer duration of PPI therapy was associated with patients who had more comorbidities. Through chart review of 388 patients, a subset of 272 patients with dosing information revealed that a median daily dosage in patients receiving lansoprazole was 1.74 mg . kg . day compared with 1.21 mg . kg . day for omeprazole.
Conclusions:
PPI use in the study population increased steadily from 1999 to 2004. These data offer valuable information on current PPI dosing patterns that may be used to design future clinical trials for assessment of gastroesophageal reflux disease regimens and clinical outcomes in the infant population.
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