Atrogi announces Cell paper highlighting transformative potential of muscle-targeted therapy in metabolic disease

Additionally, when combined with GLP-1 receptor agonists, ATR-258 avoids the critical shortcomings of current obesity and diabetes treatments by preventing the muscle loss typically associated with these therapies. Additionally, when combined with GLP-1 receptor agonists, ATR-258 avoids the critical shortcomings of current obesity and diabetes treatments by preventing the muscle loss typically associated with these therapies. Associate ProfessorMorten Hostrupfrom theUniversity of...

Additionally, when combined with GLP-1 receptor agonists, ATR-258 avoids the critical shortcomings of current obesity and diabetes treatments by preventing the muscle loss typically associated with these therapies.

Associate Professor Morten Hostrup from the University of Copenhagen added: "This development offers patients a unique treatment option that does not require compromising muscle in the pursuit of weight loss. The potential applications of ATR-258 extend well beyond obesity and diabetes, encompassing a range of muscle-wasting conditions. By preserving muscle mass while supporting improved glucose regulation, ATR-258 may represent a significant advancement in therapeutic approaches across multiple clinical areas."

The study will appear in the September 2025 issue of Cell and includes co-authors from multiple leading institutions across Europe and Australia. The breakthrough is the result of a long-term academic and industry collaboration led by Atrogi, together with scientists from Karolinska Institutet, Stockholm University, the University of Copenhagen, University of Nottingham, Monash University, and the University of Queensland. A key contributor was Assistant Professor Shane Wright of Karolinska Institutet, a leading expert in G protein–coupled receptor (GPCR) signaling, who co-elucidated the GRK2-biased mechanism that underpins ATR-258's muscle-specific effects.

Key findings from the Cell study include:

Alexandra Ekman Ryding, Chief Executive Officer of Atrogi, said: "We are excited by the findings of this paper which emphatically validate the potential of our novel compound to provide a disease-modifying treatment to those suffering with metabolic disorders. It is a testament to the drive, talent, and dedication of our world-class team that we are now Phase 2 ready. This proof-of-concept not only validates our approach but also demonstrates the strength of our proprietary discovery engine. It showcases what our broader platform is capable of – unlocking a pipeline of precision therapies that can address major unmet needs in metabolic and muscle-related diseases."

In the near term, Atrogi is advancing ATR-258 into Phase 2 clinical trials, which will evaluate its ability to deliver exercise-like benefits, including fat loss, improved muscle strength and function, and better metabolic control – both as a monotherapy and in combination with GLP-1 receptor agonists.

About Atrogi

Atrogi AB is a Stockholm-based clinical-stage biotechnology company focused on developing first-in-class therapies that harness skeletal muscle signaling to treat metabolic diseases. Its lead candidate, ATR-258, is an oral GRK2-biased β2-agonist designed to safely stimulate muscle metabolism and preserve lean mass, offering a novel approach to treating diabetes, obesity, and muscle loss.

Atrogi's proprietary compound library, developed under the scientific leadership of Professor Tore Bengtsson, serves as the foundation for a broader platform aimed at discovering selective GPCR modulators across multiple disease areas. Learn more at www.atrogi.com and on LinkedIn.

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