placebo + paclitaxel

This is a combination regimen used in clinical trials, consisting of paclitaxel and a placebo. Paclitaxel is an antineoplastic (chemotherapy) agent classified as a taxane. It works by promoting the assembly of microtubules from tubulin dimers and stabilizing them by preventing depolymerization, thereby inhibiting the normal dynamic reorganization of the microtubule network essential for cell division. This leads to cell cycle arrest and apoptosis in cancer cells[3][7]. Placebo is an inert substance with no therapeutic effect, used as a control in clinical studies to assess the efficacy and safety of active drugs such as paclitaxel.