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A system for querying, retrieving and analyzing protocol- and results-related information on clinical trials from four public registers, the 'European Union Clinical Trials Register' ('EUCTR', <https://www.clinicaltrialsregister.eu/>), 'ClinicalTrials.gov' (<https://clinicaltrials.gov/> and also translating queries the retired classic interface), the 'ISRCTN' (<http://www.isrctn.com/>) and the 'European Union Clinical Trials Information System' ('CTIS', <https://euclinicaltrials.eu/>). Trial information is downloaded, converted and stored in a database ('PostgreSQL', 'SQLite', 'DuckDB' or 'MongoDB'; via package 'nodbi'). Documents in registers associated with trials can also be downloaded. Other functions identify deduplicated records, easily find and extract variables (fields) of interest even from complex nested data as used by the registers, merge variables and update queries. The package can be used for meta-analysis and trend-analysis of the design and conduct as well as of the results of clinical trials.
Version: | 1.19.2 |
Imports: | jsonlite, httr, curl (≥ 5.1.0), clipr, xml2, nodbi (≥ 0.10.0), stringi, tibble, lubridate, jqr, dplyr, zip, V8, readr, digest, countrycode |
Suggests: | devtools, knitr, rmarkdown, RSQLite (≥ 2.3.5), mongolite, tinytest (≥ 1.2.1), R.rsp, RPostgres, duckdb |
Published: | 2024-08-29 |
DOI: | 10.32614/CRAN.package.ctrdata |
Author: | Ralf Herold |
Maintainer: | Ralf Herold <ralf.herold at mailbox.org> |
BugReports: | https://github.com/rfhb/ctrdata/issues |
License: | MIT + file LICENSE |
URL: | https://cran.r-project.org/package=ctrdata, https://rfhb.github.io/ctrdata/ |
NeedsCompilation: | no |
Language: | en-GB |
Materials: | README NEWS |
In views: | ClinicalTrials |
CRAN checks: | ctrdata results |
Reference manual: | ctrdata.pdf |
Vignettes: |
Install R package ctrdata (source) Retrieve clinical trial information (source) Summarise and analyse clinical trial information (source) |
Package source: | ctrdata_1.19.2.tar.gz |
Windows binaries: | r-devel: ctrdata_1.19.2.zip, r-release: ctrdata_1.19.2.zip, r-oldrel: ctrdata_1.19.2.zip |
macOS binaries: | r-release (arm64): ctrdata_1.19.2.tgz, r-oldrel (arm64): ctrdata_1.19.2.tgz, r-release (x86_64): ctrdata_1.19.2.tgz, r-oldrel (x86_64): ctrdata_1.19.2.tgz |
Old sources: | ctrdata archive |
Please use the canonical form https://CRAN.R-project.org/package=ctrdata to link to this page.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.