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]-lH-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 .