JUL 28, 2026 · JOURNAL ARTICLE
Design, reporting, and research focus of neurology and psychiatry drug trials (2020–2023): a registry-based meta-epidemiological study using ClinicalTrials.gov and NLP
Trials
Registry-based meta-epidemiological study of 18,609 trials documenting established design and reporting practices in neurology/psychiatry drug trials; confirms persistent limitations but lacks intervention comparison or causal inference.
Reported
Total trials analyzed18,609
Typical sample size range11–50 participants
Proportion completed60%