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cthist

Clinical Trial Registry History

v2.1.12 · Aug 29, 2025 · AGPL (>= 3)
CRAN GitHub Mirror

Description

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>.

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Trend: -12.2% (30d vs prior 30d)

CRAN Check Status

14 OK
Show all 14 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Dependency Network

Dependencies Reverse dependencies assertthat dplyr httr jsonlite lubridate magrittr readr rlang stringr tibble purrr tidyr cthist

Version History

new 2.1.12 Mar 10, 2026
updated 2.1.12 ← 2.1.11 diff Aug 28, 2025
updated 2.1.11 ← 2.1.10 diff Jul 16, 2024
updated 2.1.10 ← 2.1.9 diff Jul 9, 2024
updated 2.1.9 ← 2.1.6 diff May 31, 2024
updated 2.1.6 ← 2.1.4 diff Nov 30, 2023
updated 2.1.4 ← 2.1.3 diff Nov 3, 2023
updated 2.1.3 ← 2.1.0 diff Nov 1, 2023
updated 2.1.0 ← 2.0.0 diff Jul 10, 2023
updated 2.0.0 ← 1.4.2 diff Jul 8, 2023
updated 1.4.2 ← 1.4.1 diff Jun 26, 2023
updated 1.4.1 ← 1.4.0 diff Mar 5, 2023
updated 1.4.0 ← 1.2.1 diff Dec 15, 2022
updated 1.2.1 ← 1.0.0 diff Jun 6, 2022
updated 1.0.0 ← 0.1.4 diff Apr 7, 2022
updated 0.1.4 ← 0.1.3 diff Mar 13, 2022
updated 0.1.3 ← 0.1.2 diff Jan 19, 2022
updated 0.1.2 ← 0.1.1 diff Dec 14, 2021
new 0.1.1 Nov 29, 2021