Atrogi doses first subjects in human trial of exercise-mimicking oral therapy ATR-258

Published: 18-Mar-2026

The Swedish biotech has initiated a human trial of ATR-258, a first-in-class oral β2-adrenergic receptor modulator designed to replicate the metabolic effects of exercise, including fat loss and muscle preservation, without the cardiovascular side effects associated with traditional β2-agonists

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Atrogi has announced the dosing of the first subjects in its human trial for lead candidate ATR-258, which will evaluate the muscle physiological effects of its highly selective GRK-targeted β2-adrenergic signalling pathway.

The eight-week, investigator-initiated, interventional study will examine biased β2-adrenergic receptor (β2-AR) signalling in human skeletal muscle in overweight male volunteers who will receive daily oral dosing of ATR-258, Atrogi's GRK-selective, long-acting β2-agonist.

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