The present invention relates to aqueous formulations comprising a compound neutralizing GM-CSF in concentrations of at least 20 mg/ml, a tonicity modifier, a buffer and one or more of surfactants, amino acids, antioxidants and/or chelators, wherein the composition is stable. The ingredients of the formulation preferably provide stability to the compound neutralizing GM-CSF in view of long-term storage. In a preferred aspect, the formulation is for use in therapy, preferably for use in the treatment of inflammatory and autoimmune disorders, preferably including allergic and psoriatic disorders, as well as arthritic and asthmatic disorders.
