generated: '2026-09-17' method: searched source: npm registry search, PyPI, and the MedDRA API page https://www.meddra.org/meddra-apis note: 'The MSSO publishes NO first-party client library in any registry. npm, PyPI, RubyGems, crates.io, NuGet and Maven Central carry nothing under a meddra.org / MSSO / ICH identity; the only npm packages matching "meddra" are third-party tools that merely mention the terminology, and the R helper at github.com/jasonpott/meddra_api_R is an individual''s work, not an MSSO release. The MSSO''s own distribution model is different in kind: it ships the dictionary as downloadable ASCII data files and ships desktop, mobile and web BROWSER applications, and expects subscribers to call the REST API directly from their own systems. An empty list here is the finding, not a gap in the search.' package_count: 0 packages: [] third_party_observed: - name: meddra_api_R registry: github url: https://github.com/jasonpott/meddra_api_R official: false version: null published: null note: Individual-authored R helper for the meddra.org API. Not published to CRAN; no registry metadata endpoint to date it. first_party_distribution: - kind: data files what: MedDRA ASCII distribution (soc.asc, llt.asc, mdhier.asc and the rest), English plus translations url: https://www.meddra.org/software-packages official: true - kind: applications what: MedDRA Desktop Browser (MDB), Mobile Browser (MMB), Web-Based Browser (WBB), MVAT, Self-Service Application (SSA) url: https://www.meddra.org/software-packages official: true