LIONS (PLK4 Inhibitor in Advanced Solid Tumors)

Summary

The primary objective of this study is to identify a safe and tolerated dose and schedule of the orally administered PLK4 inhibitor RP-1664. In addition, this study will examine the pharmacokinetics (PK), pharmacodynamics (PD) and preliminary anti-tumor activity of RP-1664 in advanced solid tumors.

Timeline

Start

2024-02-14

Primary completion

2025-08-27

Completion

2025-08-27

Outcome

Outcome not reported

Stopped: “Sponsor decided to terminate study early”

Publications

• Vallee F, Casas-Selves M, Bubenik M, Duplessis M, Sow B, Suarez C, Sangiorgi B, Li L, Hyer M, Papp R, Leclaire ME, Perryman AL, Liu B, Surprenant S, Mochirian P, Pau V, Maderova Z, Mader P, Yin SY, Goodfellow E, Roulston A, Stocco R, Godbout C, Baruah P, Bonneau-Fortin A, Schonhoft JD, Nejad P, Norman D, Truong VL, Crane S, Attia MA, Mao D, Sicheri F, Marshall CG, Zimmermann M, Bendahan D, Gallant M, Black WC. Discovery of RP-1664: A First-in-Class Orally Bioavailable, Selective PLK4 Inhibitor. J Med Chem. 2025 Jun 12;68(11):10631-10647. doi: 10.1021/acs.jmedchem.5c00529. Epub 2025 May 16.

Drugs

Indications