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Updated: Mar 7, 2026

Intraventricular Drug Delivery and Sampling for Pharmacokinetics and Pharmacodynamics Study
Published on: March 31, 2022
Safety, dosing, and pharmaceutical quality for studies that evaluate medicinal products (including biological
Robert M Ward1, Daniel Benjamin2, Jeffrey S Barrett3
1Department of Pediatrics, Divisions of Neonatology and Clinical Pharmacology, University of Utah, Salt Lake City, Utah.
Insights
This White Paper offers guidance for neonatal drug development, emphasizing tailored approaches for neonates and the critical role of families and the neonatal team in clinical trials.
Area of Science:
- Neonatal Pharmacology and Therapeutics
- Clinical Trial Design
- Regulatory Science
Background:
- Pediatric medication studies have increased, but neonatal therapeutic needs remain inadequately addressed.
- Existing global regulatory guidance lacks specificity for neonatal drug development, particularly for extremely premature infants.
- There is a critical need for improved guidelines to ensure safe and effective medication use in neonates.
Purpose of the Study:
- To develop a comprehensive White Paper to guide neonatal clinical trials, especially early-phase studies.
- To address the specific challenges and needs in neonatal drug development.
- To provide a framework for regulators, sponsors, and the neonatal community.
Main Methods:
- An international consortium, including neonatologists, nurses, parents, regulators, ethicists, and industry specialists, was formed.
- The consortium reviewed existing legislation, regulations, and guidance.
- A comprehensive, referenced White Paper was developed based on expert consensus and existing knowledge.
Main Results:
- The White Paper emphasizes basing product development on neonatal physiology and pharmacology.
- It highlights the central role of families in the research process.
- It underscores the value of the entire neonatal team in study design, implementation, and interpretation.
Conclusions:
- The developed White Paper provides essential guidance for conducting successful neonatal medicine clinical trials.
- It aims to inform and improve practices for regulators, sponsors, and healthcare professionals involved in neonatal care.
- Adherence to this guidance can enhance the development of safe and effective medications for the neonatal population.
Abstract:
The study of medications among pediatric patients has increased worldwide since 1997 in response to new legislation and regulations, but these studies have not yet adequately addressed the therapeutic needs of neonates. Additionally, extant guidance developed by regulatory agencies worldwide does not fully address the specificities of neonatal drug development, especially among extremely premature newborns who currently survive. Consequently, an international consortium from Canada, Europe, Japan, and the United States was organized by the Critical Path Institute to address the content of guidance. This group included neonatologists, neonatal nurses, parents, regulators, ethicists, clinical pharmacologists, specialists in pharmacokinetics, specialists in clinical trials and pediatricians working in the pharmaceutical industry. This group has developed a comprehensive, referenced White Paper to guide neonatal clinical trials of medicines - particularly early phase studies. Key points include: the need to base product development on neonatal physiology and pharmacology while making the most of knowledge acquired in other settings; the central role of families in research; and the value of the whole neonatal team in the design, implementation and interpretation of studies. This White Paper should facilitate successful clinical trials of medicines in neonates by informing regulators, sponsors, and the neonatal community of existing good practice.
Related Concept Videos
Drug Dosing: Infants and Children
Pharmacokinetics in Pediatric Patients: Drug Excretion
Pharmacokinetics in Pediatric Patients: Drug Distribution
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
Factors Affecting Drug Response: Overview
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