cthist 2.1.9
- Added
locations
data download
cthist 2.1.8
- Added proper citation information linking to the PLOS ONE paper
cthist 2.1.7
- Added new function
extract_publications
to extract publications by type from a data frame of downloaded versions into a new data frame.
cthist 2.1.6
- Fixed bug where download will throw an error in cases where a record has secondary outcome measures specified, but not primary outcome measures
cthist 2.1.5
- Added argument
latest
to function clinicaltrials_gov_download
to allow downloading only the latest version for many clinical trial registry entries
cthist 2.1.4
- Fix bug in which start date would erroneously return NA in some cases
cthist 2.1.3
- Add support for downloading the latest version of a clinical trial only
cthist 2.1.2
- Fix bug where missing start dates in trial record would produce an error
cthist 2.1.1
- Fix minor errors in documentation
- Fix bug where missing primary completion dates in trial record would produce an error
cthist 2.1.0
- Added download for organization study ID and secondary ID’s
- Added unit tests for all functions added since v 1.4.2
–
cthist 2.0.1
- Minor changes to documentation to better reflect downloaded data
cthist 2.0.0
- Upgrade to allow compatibility with 2023 ClinicalTrials.gov website re-write
cthist 1.4.2
- Temporary fix of bugs introduced by ClinicalTrials.gov moving to their new website design (changed URL links to classic.clinicaltrials.gov)
cthist 1.4.1
- Fixed bug where
cthist
sometimes can’t connect to ClinicalTrials.gov by replacing the statement that included RCurl::url.exists()
with one that uses httr::http_error()
instead
- Removed
polite
dependency and functionality
cthist 1.4.0
- Removed drks.de-related functions
- Added
polite
variable to allow disabling of “polite” downloading for debugging purposes
- Removed deprecated
.data$n
syntax
cthist 1.3.0
- Added “results posted” (indicates whether study results have been posted)
- Added “references” to
clinicaltrials_gov_version()
(citations, links and available IPD/Information) and drks_de_version()
(Trial Publications, Results and other Documents)
cthist 1.2.1
- Implemented checks in
clinicaltrials_gov_download()
and drks_de_download()
that the Internet resources are available and fails gracefully in the case that they’re not
cthist 1.2.0
- Added
status_change_only
option to clinicaltrials_gov_dates()
function to allow for downloading only the dates on which a trial’s Recruitment Status changed
cthist 1.1.0
- Added “why stopped” field
- Remove superfluous white space from overall status field
- Fixed bug that occurs in rare cases (version has no overall status)
cthist 1.0.1
- Fix bug where
cthist
does not capture outcome measures in versions posted after results are posted.
cthist 1.0.0
- Re-implemented functions that access ClinicalTrials.gov or DRKS.de with the
polite
R package to ensure that the sites’ rules regarding scraping are observed, and to limit the number of requests
- Fix bug where non-English locale prevents correct parsing of month names
- Improvements to error-catching during download
- New columns indicating the precision of dates in the original data source
- All functions now check that input is well-formed before executing and provide informative errors otherwise
clinicaltrials_gov_download()
and drks_de_download()
now return a data frame of results if output_filename
is not specified
clinicaltrials_gov_version()
and drks_de_version()
now return named lists rather than vectors
- Added default version numbers to
clinicaltrials_gov_version()
and drks_de_version()
- More extensive unit testing
- Fix bug in retrieving “gender based” in
clinicaltrials_gov_version()
- Add “quiet” downloading option
- Improved documentation
cthist 0.1.4
- Fix DRKS bug where post-completion records sometimes contain more than one
li.deadline
node, causing formatting errors
cthist 0.1.3
- Fix DRKS bug where multiple contact affiliation nodes caused download to produce an error
cthist 0.1.2
- Updated DRKS error message to be more informative on failure
- Updated unit tests to expect graceful error on failure
cthist 0.1.1
- Renamed function
clinicaltrials_gov_version_dates
to clinicaltrials_gov_dates
for brevity
- Renamed function
clinicaltrials_gov_version_data
to clinicaltrials_gov_version
for brevity
- Renamed function
drks_de_version_dates
to drks_de_dates
for brevity
- Renamed function
drks_de_version_data
to drks_de_version
for brevity
cthist 0.1.0
- Added a
NEWS.md
file to track changes to the package.
- Added function
clinicaltrials_gov_version_dates
to download dates on which a ClinicalTrials.gov registry entry is updated
- Added function
clinicaltrials_gov_version_data
to download registry data for a specific historical version of a clinical trial registry entry from ClinicalTrials.gov
- Added function
clinicaltrials_gov_download
to mass-download all historical versions of a set of ClinicalTrials.gov registry entry
- Added function
drks_de_version_dates
to download dates on which a DRKS.de registry entry is updated
- Added function
drks_de_version_data
to download registry data for a specific historical version of a clinical trial registry entry from DRKS.de
- Added function
drks_de_download
to mass-download all historical versions of a set of DRKS.de registry entry