Query Data from U.S. National Library of Medicine's Clinical Trials Database R package ctrialsgov version 0.2.7 Tools to create and query database from the U.S. National Library of Medicine's Clinical Trials database <https://clinicaltrials.gov/>. Functions provide access a variety of techniques for searching the data using range queries, categorical filtering, and by searching for full-text keywords. Software Depends: R (>= 3.5.0) Imports: dplyr, utils, lubridate, purrr, rlang, stringi, tibble, DBI, methods, Matrix Suggests: covr, knitr, rmarkdown, testthat (>= 3.0.0), usethis Taylor Arnold <tarnold2@richmond.edu> Comprehensive R Archive Network (CRAN) Taylor Arnold [aut, cre] (ORCID: <https://orcid.org/0000-0003-0576-0669>), Auston Wei [aut], Michael J. Kane [aut] (ORCID: <https://orcid.org/0000-0003-1899-6662>) MIT + file LICENSE (https://CRAN.R-project.org/package=ctrialsgov/LICENSE) 2025-07-06 application/tgz https://CRAN.R-project.org/package=ctrialsgov doi:10.32614/CRAN.package.ctrialsgov