Skip to content

Surrogate

Evaluation of Surrogate Endpoints in Clinical Trials

v3.4.2 · Jun 3, 2026 · GPL (>= 2)

Description

In a clinical trial, it frequently occurs that the most credible outcome to evaluate the effectiveness of a new therapy (the true endpoint) is difficult to measure. In such a situation, it can be an effective strategy to replace the true endpoint by a (bio)marker that is easier to measure and that allows for a prediction of the treatment effect on the true endpoint (a surrogate endpoint). The package 'Surrogate' allows for an evaluation of the appropriateness of a candidate surrogate endpoint based on the meta-analytic, information-theoretic, and causal-inference frameworks. Part of this software has been developed using funding provided from the European Union's Seventh Framework Programme for research, technological development and demonstration (Grant Agreement no 602552), the Special Research Fund (BOF) of Hasselt University (BOF-number: BOF2OCPO3), GlaxoSmithKline Biologicals, Baekeland Mandaat (HBC.2022.0145), and Johnson & Johnson Innovative Medicine.

Downloads

915

Last 30 days

3812th

1.8K

Last 90 days

8.8K

Last year

Trend: +185.9% (30d vs prior 30d)

CRAN Check Status

13 OK
Show all 13 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-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 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Jun 9, 2026
ERROR 12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Jun 8, 2026
ERROR r-devel-linux-x86_64-debian-gcc

package dependencies

Packages required but not available: 'logistf', 'rms', 'flexsurv', 'MBESS'

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
OK 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE May 2, 2026
ERROR 13 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Mar 10, 2026
ERROR r-oldrel-windows-x86_64

package dependencies

Package required but not available: 'MBESS'

See section 'The DESCRIPTION file' in the 'Writing R Extensions'
manual.

Dependency Network

Dependencies Reverse dependencies MASS lattice latticeExtra survival nlme lme4 logistf rms ks extraDistr pbapply flexsurv rvinecopulib maxLik purrr +8 more dependencies Surrogate

Version History

65 tracked
updated 3.4.2 ← 3.4.1 diff Jun 3, 2026
new 3.4.1 Mar 10, 2026
updated 3.4.1 ← 3.4.0 diff Apr 28, 2025
updated 3.4.0 ← 3.3.3 diff Apr 8, 2025
updated 3.3.3 ← 3.3.1 diff Feb 11, 2025
updated 3.3.1 ← 3.3.0 diff Jan 22, 2025
updated 3.3.0 ← 3.2.6 diff Jun 11, 2024
updated 3.2.6 ← 3.2.5 diff May 26, 2024
updated 3.2.5 ← 3.2.4 diff Mar 18, 2024
updated 3.2.4 ← 3.2.2 diff Feb 28, 2024
updated 3.2.2 ← 3.2.1 diff Feb 19, 2024
updated 3.2.1 ← 3.2.0 diff Sep 24, 2023
updated 3.2.0 ← 3.1 diff Sep 5, 2023
updated 3.1 ← 3.0 diff Aug 31, 2023
updated 3.0 ← 2.8 diff Jun 21, 2023