The invention provides a Palovarotene (4-[(1E)-2-[5,6,7,8-Tetrahydro-5,5,8,8-tetramethyl-3-(1H-pyrazol-1-ylmethyl)-2-naphthalenyl]-ethenyl]-benzoic acid), or a pharmaceutically acceptable salt thereof, for use in a method for the treatment of a muscle damaging myopathy.