Patent ID: 6987090

Claim:
A method for treating alopecia and promoting hair growth which comprises treating a patient in need thereof with a pharmaceutical composition containing a 3-position analog of cyclosporin represented by Formula 1, as an active ingredient: wherein: MeBmt represents N-methyl-(4R)-4-[(E)-2-butenyl]-4-methyl-L-threonine; Abu represents L-aminobutyric acid; X is represented by the general formula 1, [General formula 1] in which, R is one selected from the group consisting of hydrogen, thioacyl, C 2 –C 6 straight or branched alkyl, alkenyl or alkynyl moieties, substituted or unsubstituted with one or more selected from the group consisting of amino, hydroxy, halo, haloalkyl, ester, alkoxy, cyano, nitro, aryl, alkylamino and dialkylamino, cyclic or aryl moieties, substituted or unsubstituted with one or more selected from the group consisting of amino, hydroxy, halo, haloalkyl, ester, alkoxy, cyano, nitro, aryl, alkylamino and dialkylamino, and (C═X′)—R′ in which, X′ is oxygen or sulfur, and R′ is one selected from the group consisting of hydrogen, C 1 –C 6 straight or branched alkyl, alkenyl or alkynyl moieties, substituted or unsubstituted with one or more selected from the group consisting of amino, hydroxy, halo, haloalkyl, ester, alkoxy, cyano, nitro, aryl, alkylamino and dialkylamino, and cyclic or aryl moieties, substituted or unsubstituted with one or more selected from the group consisting of amino, hydroxy, halo, haloalkyl, ester, alkoxy, cyano, nitro, aryl, alkylamino and dialkylamino, MeLeu represents N-methyl-L-leucine; Val represents L-valine; Ala represents L-alanine; DAla represents D-alanine; MeVal represents N-methyl-L-valine.