Tourmaline Bio, Inc. announced that the first patient has been dosed in its Phase 2 TRANQUILITY trial, marking the initiation of its clinical development program for TOUR006, a long-acting, fully human, anti-IL-6 monoclonal antibody, for the treatment of atherosclerotic cardiovascular disease (ASCVD) and other cardiovascular diseases. TRANQUILITY is a randomized, double-blind, placebo-controlled trial enrolling patients with inflammatory risk, manifesting as elevated high-sensitivity C-reactive protein (hs-CRP) at baseline, and chronic kidney disease (CKD). The design of the TRANQUILITY clinical trial was informed by insights from six prior Phase 1 and Phase 2 studies of TOUR006.

If successful, results from the Phase 2 TRANQUILITY trial are expected to position Tourmaline to be Phase 3-ready in 2025 for ASCVD and other cardiovascular diseases. The Phase 2 TRANQUILITY trial is a randomized, double-blind, placebo-controlled study designed to evaluate the safety, pharmacokinetics (PK), and pharmacodynamics (PD), including CRP-lowering effect, of quarterly and monthly subcutaneous administration of TOUR006 in patients with elevated high-sensitivity C-reactive protein (hs-CRP) and chronic kidney disease (CKD). The selection of dosing regimens being evaluated in TRANQUILITY was informed by six previously completed Phase 1 and Phase 2 trials of TOUR006 in healthy volunteers and patients with rheumatoid arthritis, Crohn?s disease, or systemic lupus erythematosus as well as PK/PD modeling.