The present invention relates to a pharmaceutical composition for topical administration comprising a compound of formula I, 3-{4-[2-{5-chloro-1-(diphenylmethyl)-2-[2-({[2- (trifluoromethyl)benzyl]sulfonyl}amino)ethyl]-1H-indol-3- yl}ethyl]sulfonyl}phenyl}propanoic acid or pharmaceutically acceptable salts thereof; and to methods of treating inflammation comprising topical administration of a composition comprising a compound of formula I.