Novel soft steroid anti-inflammatory agents, said agents being esters or thioesters of 17.alpha.-alkoxy-11.beta.-hydroxyandrost-4-en-3-one-17.beta.-carboxylic acids, pharmaceutical compositions containing said agents, novel chemical intermediates useful in the preparation of said agents and methods of administering same to mammals in the treatment of inflammation. Preferred compounds are the haloalkyl esters of 17.alpha.-alkoxy-11.beta.-hydroxyandrost-4-en-3-one-17.beta.-carboxylic acids.
Methods and compositions for enhancing the activity and/or duration of action of loteprednol etabonate and other soft anti-inflammatory steroids of the haloalkyl 17α-alkoxycarbonyloxy-11β-hydroxyandrost-4-en-3-one-17β-carboxylate type and the corresponding Δ
1,4
-compounds are described. The enhancing agents have the formula:
wherein Z
1
is carbonyl, β-hydroxymethylene or methylene; R
2
is H, —OH or —OCOR
3
wherein R
3
is C
1
-C
5
alkyl; Y is —OH, —SH or —OCOR
4
wherein R
4
is C
1
-C
5
alkyl, cyclopentylethyl or diethylaminoethyl; and the dotted line in ring A indicates that the 1,2-linkage is saturated or unsaturated.
TRANSPORTER-ENHANCED CORTICOSTEROID ACTIVITY AND METHODS AND COMPOSITIONS FOR TREATING DRY EYE
申请人:Bodor Nicholas S.
公开号:US20080194468A1
公开(公告)日:2008-08-14
Methods and compositions for enhancing the activity and/or duration of action of loteprednol etabonate and other soft anti-inflammatory steroids of the haloalkyl 17α-alkoxycarbonyloxy-11β-hydroxyandrost-4-cn-3-one-17β-carboxylate type and the corresponding Δ
1,4
-compounds are described. The enhancing agents have the formula:
wherein Z
1
is carbonyl, β-hydroxymethylene or methylene; R
2
is H, —OH or —OCOR
3
wherein R
3
is C
1-5
alkyl; Y is —OH, —SH or —OCOR
4
wherein R
4
is C
1-5
alkyl, cyclopentylethyl or diethylaminoethyl; and the dotted line in ring A indicates that the 1,2-linkage is saturated or unsaturated. Ophthalmic administration in the treatment of dry eye is specifically targeted.