The adoptr Package: Adaptive Optimal Designs for Clinical Trials in R. - Kevin Kunzmann; Maximilian Pilz; Carolin Herrmann; Géraldine Rauch; Meinhard Kieser (J. Stat. Softw., 2021)

Optimal adaptive two-stage designs for clinical trials with continuous test statistics. - Maximilian Pilz (2021)

blindrecalc - An R Package for Blinded Sample Size Recalculation. - Lukas Baumann; Maximilian Pilz; Meinhard Kieser (R J., 2022)