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OncoBayes2 (version 0.10-0)

Bayesian Logistic Regression for Oncology Dose-Escalation Trials

Description

Bayesian logistic regression model with optional EXchangeability-NonEXchangeability parameter modelling for flexible borrowing from historical or concurrent data-sources. The safety model can guide dose-escalation decisions for adaptive oncology Phase I dose-escalation trials which involve an arbitrary number of drugs. Please refer to Neuenschwander et al. (2008) and Neuenschwander et al. (2016) for details on the methodology.

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Version

Install

install.packages('OncoBayes2')

Monthly Downloads

505

Version

0.10-0

License

GPL (>= 3)

Maintainer

Sebastian Weber

Last Published

August 4th, 2026

Functions in OncoBayes2 (0.10-0)

.validate_group_stratum_nesting

Test if each group is assigned to exactly 1 stratum. Error otherwise.
example-combo2_trial

Two-drug combination example using BLRM Trial
example_model

Runs example models
example-single-agent

Single Agent Example
draws-OncoBayes2

Transform blrmfit or blrm_trial to draws objects
drug_info_combo2

Dataset: drug information for a dual-agent combination study
example-combo3

Three-drug combination example
example-combo2

Two-drug combination example
.get_strata_group_fct

extracts from a blrmfit object and a given data-set the group and stratum factor
.get_X

Obtain design matrices.
hist_combo3

Dataset: historical and concurrent data on a three-way combination
posterior_linpred.blrmfit

Posterior of linear predictor
plot_blrm

Plot a fitted model
summary.blrm_trial

Summarise trial
summary.blrmfit

Summarise model results
posterior_interval.blrmfit

Posterior intervals
lodds

Logit (log-odds) and inverse-logit function.
nsamples.blrmfit

Return the number of posterior samples
posterior_predict.blrmfit

Posterior of predictive
update.blrmfit

Update data of a BLRM analysis
update.blrm_trial

Update data and/or prior of a BLRM trial
log_mean_exp

Numerically stable mean of logs
hist_SA

Single-agent example
pp_data

Internal function to simulate from the posterior new parameter draws
log_inv_logit

Numerically stable summation of log inv logit
hist_combo2

Dataset: historical data on two single-agents to inform a combination study
predictive_interval.blrmfit

Posterior predictive intervals
prior_summary.blrmfit

Summarise model prior
bind_rows_0

Bind rows of multiple data frames with zero fill
diagnostic-quantities

Extract Diagnostic Quantities of OncoBayes2 Models
blrm_trial

Dose-Escalation Trials guided by Bayesian Logistic Regression Model
critical_quantile

Critical quantile
blrm_exnex

Bayesian Logistic Regression Model for N-compounds with EXNEX
blrm_formula_saturating

Build a BLRM formula with saturating interaction term in logit-space
OncoBayes2

OncoBayes2
blrm_formula_linear

Build a BLRM formula with linear interaction term in logit-space
dose_info_combo2

Dataset: trial dose information for a dual-agent combination study
codata_combo2

Dataset: historical and concurrent data on a two-way combination