VKTX Completes Enrollment in First Late-Stage Study on Obesity Drug

Company Highlights - Viking Therapeutics has completed enrollment of approximately 4,650 adults in the phase III VANQUISH-1 study for its obesity drug VK2735, surpassing its initial target of 4,500 patients [2][3][9] - The study evaluates the safety and efficacy of three subcutaneous dosing arms (7.5 mg, 12.5 mg, and 17.5 mg) against a placebo, with a primary endpoint of percent change in body weight after 78 weeks [2][9] - The company is also enrolling patients in the phase III VANQUISH-2 study, targeting nearly 1,100 obese or overweight adults with type II diabetes, with expected completion in Q1 2026 [5] Industry Context - The obesity market is projected to reach $100 billion in the United States by 2030, driven by the success of existing drugs from Eli Lilly and Novo Nordisk [11] - Both companies are actively developing new oral weight-loss medications, with Novo Nordisk seeking FDA approval for an oral version of Wegovy by the end of this year [12] - Pfizer has re-entered the obesity market by acquiring Metsera for around $10 billion, adding four novel clinical-stage programs to its portfolio, which could generate significant peak sales [15]