Related Experiment Video
Updated: Jul 7, 2026

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
Published on: January 24, 2020
The under-representation of older people in clinical trials: barriers and potential solutions
D W Habicht1, M D Witham, M E T McMurdo
1Section of Aging and Health, Division of Medicine and Therapeutics, Ninewells Hospital and Medical School, Dundee DD1 9SY, Scotland, UK. dhabicht@nhs.net
Abstract:
Frail older people are still under-represented in clinical trials. The evidence-base for clinical decision-making in this age group is poor even though older patients are the core business of health services. We examine possible causes for the exclusion of older people from clinical trials and propose possible solutions for this unjust and inequitable situation. Some progress has been made but more needs done to ensure equality and uniformly high standards of health care for older people.
Insights
Older adults are under-represented in clinical trials, leading to poor evidence for healthcare decisions. Addressing trial exclusion of frail older people is crucial for equitable health equity and high-quality care.
Area of Science:
- Gerontology
- Clinical Trial Methodology
- Health Equity
Background:
- Frail older adults are a core demographic for health services but remain under-represented in clinical research.
- The limited evidence base for this population hinders effective clinical decision-making.
- Exclusion from trials creates an inequitable healthcare landscape for older individuals.
Purpose of the Study:
- To investigate the reasons behind the exclusion of frail older people from clinical trials.
- To propose actionable solutions to enhance the inclusion of this demographic in research.
- To advocate for equitable standards of healthcare and research participation for older adults.
Main Methods:
- Literature review on clinical trial demographics and exclusion criteria.
- Analysis of barriers to older adult participation in clinical research.
- Synthesis of existing strategies and recommendations for improving inclusion.
Main Results:
- Identified significant under-representation of frail older adults in numerous clinical trials.
- Highlighted systemic and practical barriers contributing to exclusion.
- Noted some progress but emphasized the need for continued efforts.
Conclusions:
- The under-representation of frail older adults in clinical trials persists, impacting evidence-based practice.
- Addressing exclusion requires multifaceted solutions targeting trial design, recruitment, and ethical considerations.
- Ensuring equitable participation is essential for advancing geriatric healthcare and research.
Related Concept Videos
Drug Dosing: Geriatric Patients
Pharmacodynamics in Geriatric Patients: Effects of Age
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion