This invention provides a pharmaceutical composition comprising Compound I-V, including inter alia solid dosage forms of powder-filled capsule formulations, liquid-filled softgel capsules (softgels), tablets, and sustained release dosage forms, and uses thereof in treating a variety of diseases or conditions in a subject, for example, treating a muscle wasting disease and/or disorder, a bone related disease and/or disorder, metabolic syndrome, diabetes and associated diseases, and others.