Related Experiment Video

Updated: May 9, 2026

Human Primary Trophoblast Cell Culture Model to Study the Protective Effects of Melatonin Against Hypoxia/reoxygenation-induced Disruption
12:02

Human Primary Trophoblast Cell Culture Model to Study the Protective Effects of Melatonin Against Hypoxia/reoxygenation-induced Disruption

Published on: July 30, 2016

Melatonin replacement therapy in preterm infants: the impact of pharmacokinetics

Burkhard Poeggeler1

  • 1QUIRIS Healthcare Germany, Am Kreuzkamp 5-7, D-33334 Gütersloh, Germany. poeggeler@quiris.de

Expert Review of Clinical Pharmacology
|August 10, 2013
PubMed

Insights

Melatonin pharmacokinetics differ in preterm infants compared to adults. This study provides crucial data for developing safe and effective melatonin therapies to protect vulnerable infants from oxidative stress and related complications.

Area of Science:

  • Neonatal Medicine
  • Pharmacology
  • Biochemistry

Background:

  • Preterm infants are susceptible to oxidative stress and related complications.
  • Melatonin is a potent endogenous antioxidant with potential therapeutic benefits.
  • Preterm infants exhibit melatonin deficiency, necessitating investigation into replacement therapy.

Purpose of the Study:

  • To characterize the pharmacokinetic profile of melatonin in preterm infants.
  • To compare melatonin pharmacokinetics between preterm infants and adults.
  • To provide data essential for designing clinical trials on melatonin for preterm infants.

Main Methods:

  • Pharmacokinetic analysis of melatonin administration in preterm infants.
  • Comparison of observed pharmacokinetic parameters with adult data.
  • Evaluation of safety and efficacy parameters relevant to neonatal care.

Main Results:

  • Significant differences in melatonin pharmacokinetic profiles were observed between preterm infants and adults.
  • Data suggests variability in melatonin absorption, distribution, metabolism, and excretion in neonates.
  • The study highlights the need for infant-specific dosing regimens.

Conclusions:

  • Melatonin pharmacokinetics in preterm infants necessitate distinct therapeutic strategies compared to adults.
  • Understanding these pharmacokinetic differences is critical for optimizing melatonin treatment safety and efficacy.
  • Further clinical trials are warranted to establish protective and therapeutic roles of melatonin in preterm infants.

More Related Videos

Transcutaneous Microcirculatory Imaging in Preterm Neonates06:27

Transcutaneous Microcirculatory Imaging in Preterm Neonates

Published on: December 31, 2015

Related Concept Videos

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...
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 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...
Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response01:15

Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response

Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
Management of Insomnia01:19

Management of Insomnia

The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...