Related Experiment Video
Updated: May 17, 2026

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
Published on: December 14, 2020
Does oral lansoprazole really reduce gastric acidity in VLBW premature neonates?
Sock Ying Tham1, Ian M Rogers, K F Samuel
1Faculty of Medicine, AIMST University, Batu 3 Vz, Bukit Air Nasi, Jalan Bedong Semeling, 08100 Bedong, Kedah Darul Aman, Malaysia.
Insights
Oral lansoprazole therapy in premature VLBW neonates with suspected GERD did not sufficiently raise esophageal pH. Further research is needed to optimize acid reduction strategies for these vulnerable infants.
Area of Science:
- Neonatal Medicine
- Gastroenterology
- Pharmacology
Background:
- Premature neonates of very low birth weight (VLBW) often require nasogastric tube feeding.
- Gastroesophageal reflux (GERD) is a common concern in this population.
- Acid suppression is a potential therapeutic strategy.
Purpose of the Study:
- To evaluate the efficacy of oral lansoprazole in treating suspected GERD in VLBW neonates.
- To assess the impact of lansoprazole on esophageal pH levels.
Main Methods:
- A study involving 19 VLBW neonates requiring nasogastric tube feeding.
- 10 infants received oral lansoprazole via tube administration.
- A control group of 9 infants was included for comparison.
- Esophageal pH was measured before and after 7 days of treatment in both groups.
Main Results:
- Lansoprazole treatment led to acid reduction in the treated group.
- The mean post-treatment esophageal pH was 1.31.
- This pH level remains a threat to the esophageal mucosa.
Conclusions:
- Oral lansoprazole therapy may not achieve adequate acid suppression in VLBW neonates.
- The physiological characteristics of neonatal acid secretion might influence treatment outcomes.
- Further investigation into optimizing GERD management in this population is warranted.
Abstract:
Premature neonates of very low birth weight (VLBW) whose treatment required the use of naso-gastric tube feeding were investigated. 10 infants suspected of having GERD (gastroesophageal reflux) received oral lansoprazole therapy by tube administration. 9 other infants formed a control group. In the treated group a fasting pH was determined before treatment and again after 7 days treatment. The control group was similarly assessed at an interval of 7 days. Despite acid reduction, the post-treatment pH mean of 1.31 would continue to pose a threat to the esophageal mucosa. The physiology of neonatal acid secretion is discussed to explain these findings.
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