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Published on: March 1, 2019
A new paradigm for developing drugs in children: atomoxetine as a model
1Eli Lilly and Company, Priestley Road, Basingstoke, Hampshire RG24 9NL, UK. suyash@lilly.com
Insights
Developing atomoxetine for pediatric attention deficit/hyperactivity disorder (ADHD) required specific trials. These studies confirmed the drug
Area of Science:
- Pharmacology and Clinical Trials
- Pediatric Drug Development
- Neurodevelopmental Disorders
Background:
- Children possess distinct physiology and metabolism compared to adults, necessitating tailored drug development.
- Pediatric drug trials face unique challenges, including practical, ethical, and communication considerations.
- Establishing safety and efficacy in pediatric populations is crucial for medications with pediatric indications.
Purpose of the Study:
- To outline the drug development process for atomoxetine, a non-stimulant ADHD medication, specifically focusing on its pediatric application.
- To highlight the methodologies employed in assessing the safety and efficacy of atomoxetine in children.
- To emphasize the importance of pediatric-specific clinical trials in drug development.
Main Methods:
- Preclinical studies and adult trials preceded pediatric investigations.
- Open-label and placebo-controlled studies were conducted in pediatric patients.
- Ongoing trials continue to explore broader aspects of atomoxetine's effects in children.
Main Results:
- Atomoxetine's safety and efficacy were established in pediatric patients with ADHD through clinical trials.
- The drug development pathway included phased trials from preclinical to pediatric populations.
- Evidence supports atomoxetine as a viable treatment option for pediatric ADHD.
Conclusions:
- The development of atomoxetine demonstrates a rigorous approach to pediatric drug safety and efficacy assessment.
- Paediatric clinical trials are essential for understanding drug responses in this unique population.
- Further research continues to refine the understanding and application of atomoxetine in children with ADHD.
Abstract:
When prescribing drugs for children, it is fundamental to acknowledge that they are distinct from adults with a different physiology and metabolism. They are also still maturing. The development of drugs with a primarily paediatric indication thus requires the trialling of these drugs in a paediatric population to assess safety, tolerability, and efficacy as appropriately as possible. When designing and running a paediatric clinical trial, a number of complexities must be addressed to ensure a successful study, including practical considerations, ethical issues, and tailoring communication appropriately to study participants and parents. The drug development process for atomoxetine, a novel, non-stimulant treatment for attention deficit/hyperactivity disorder (ADHD), encompassed a preclinical programme, initial trials in healthy adults, and a proof of concept trial in adults with ADHD. Open label and placebo controlled studies in paediatric patients followed, thus establishing the drug's safety and efficacy in children with ADHD. Further trials have addressed, and continue to address, wider aspects of the atomoxetine response in a paediatric setting.
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