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ctrdata  

Retrieve and Analyze Clinical Trials in Public Registers
View on CRAN: Click here


Download and install ctrdata package within the R console
Install from CRAN:
install.packages("ctrdata")

Install from Github:
library("remotes")
install_github("cran/ctrdata")

Install by package version:
library("remotes")
install_version("ctrdata", "1.17.2")



Attach the package and use:
library("ctrdata")
Maintained by
Ralf Herold
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2019-03-12
Latest Update: 2023-08-30
Description:
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', ), 'ClinicalTrials.gov' ('CTGOV', using the classic interface at , and 'CTGOV2', using the current interface at ), the 'ISRCTN' () and the 'European Union Clinical Trials Information System' ('CTIS', ). 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.
How to cite:
Ralf Herold (2019). ctrdata: Retrieve and Analyze Clinical Trials in Public Registers. R package version 1.17.2, https://cran.r-project.org/web/packages/ctrdata
Previous versions and publish date:
0.14.1 (2019-03-12 17:26), 0.17.0 (2019-03-27 22:50), 0.18.2 (2019-05-01 19:30), 0.18 (2019-04-11 23:57), 1.0.1 (2019-10-23 09:50), 1.0 (2019-10-16 23:50), 1.1 (2019-11-13 01:20), 1.2.1 (2020-05-18 18:40), 1.2 (2019-12-08 08:30), 1.3.0 (2020-07-27 11:50), 1.3.1 (2020-08-02 03:10), 1.3.2 (2020-10-05 09:20), 1.4.0 (2020-10-19 19:40), 1.4.1 (2020-11-03 22:30), 1.5.0 (2021-03-16 13:20), 1.5.1 (2021-03-21 16:50), 1.5.2 (2021-04-06 09:10), 1.5.3 (2021-04-20 00:10), 1.6.0 (2021-05-10 02:02), 1.7.0 (2021-07-25 15:30), 1.7.1 (2021-08-22 23:30), 1.8.0 (2021-11-22 00:00), 1.9.0 (2022-03-13 23:40), 1.9.1 (2022-04-24 16:30), 1.10.0 (2022-07-06 12:20), 1.10.1 (2022-07-24 23:50), 1.10.2 (2022-08-20 23:50), 1.11.0 (2022-11-02 23:20), 1.11.1 (2022-11-20 23:00), 1.12.0 (2023-03-26 10:30), 1.12.1 (2023-03-29 09:00), 1.13.0 (2023-04-24 14:20), 1.13.1 (2023-05-07 21:20), 1.13.2 (2023-05-26 11:30), 1.13.3 (2023-06-24 12:50), 1.14.0 (2023-07-16 23:40), 1.15.0 (2023-08-28 01:10), 1.15.1 (2023-08-30 11:10), 1.15.2 (2023-09-18 00:50), 1.16.0 (2023-11-24 16:40), 1.17.0 (2024-01-22 21:53), 1.17.1 (2024-02-05 00:30), 1.17.2 (2024-02-25 13:10)
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