Phase 1/2 RAISIC‑1 Trial: PTT‑4256 in Advanced Solid Tumors
PTT‑4256 is an emerging first‑in‑class small‑molecule inhibitor of GPR65, a proton‑sensing G‑protein‑coupled receptor selectively expressed on immune cells within the acidic tumour microenvironment. It is being evaluated in the RAISIC‑1 trial, a modular, open‑label, phase 1/2 study in patients with advanced solid tumours designed to assess safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy. The trial’s […]
