As global regulatory authorities transition from eCTD v3.2.2 to eCTD v4.0, Japan's PMDA is set for full-scale implementation in April 2026. This shift aims to standardize submission structures, content, and terminology, enhancing efficiency for multi-regional submissions. The article outlines Japan's adoption timeline, compares it with other regions, and discusses the strategic readin... https://japan.freyrsolutions.com/blogs/japan-and-the-global-ectd-v4-0-wave-timelines-trends-readiness