clinicaltrials_gov_dates

Download a table of dates on which a ClinicalTrials.gov registry
entry was updated

Retrieves historical versions of clinical trial registry
entries from <https://ClinicalTrials.gov>. Package functionality
and implementation for v 1.0.0 is documented in Carlisle (2022)
<DOI:10.1371/journal.pone.0270909>.

Benjamin Gregory Carlisle

cthist

Clinical Trial Registry History

clinicaltrials_gov_dates function

<dl><dt>nctids</dt>
<dd>A list of well-formed NCT numbers,
e.g. c("NCT00942747", "NCT03281616"). (A capitalized "NCT"
followed by eight numerals with no spaces or hyphens.)</dd>
<dt>status_change_only</dt>
<dd>If TRUE, returns only the dates marked
with a Recruitment Status change, default FALSE.</dd>
<dt>quiet</dt>
<dd>A boolean TRUE or FALSE. If TRUE, no messages will be
printed during download. TRUE by default, messages printed for
every registry entry downloaded showing progress.</dd></dl>

Arguments

Download a table of dates on which a ClinicalTrials.gov registry
entry was updated — clinicaltrials_gov_dates

<dl>

<dt>nctids</dt>
<dd>A list of well-formed NCT numbers,
e.g. c("NCT00942747", "NCT03281616"). (A capitalized "NCT"
followed by eight numerals with no spaces or hyphens.)</dd>


<dt>status_change_only</dt>
<dd>If TRUE, returns only the dates marked
with a Recruitment Status change, default FALSE.</dd>


<dt>quiet</dt>
<dd>A boolean TRUE or FALSE. If TRUE, no messages will be
printed during download. TRUE by default, messages printed for
every registry entry downloaded showing progress.</dd>

</dl>

clinicaltrials_gov_dates: Download a table of dates on which a ClinicalTrials.gov registry entry was updated

Description

Usage

Value

Arguments

Examples