Collagenex Pharmaceuticals, Incorporated

Galderma Laboratories Inc.

Other

Robert A Ashley

Joseph J Hlavka

Christian Schwabe

Joseph J Hlavaka

A method of treating acne in a human in need thereof comprising administering systemically to said human a tetracycline compound in an amount that is effective to treat acne but has substantially no antibiotic activity, without administering a bisphosphonate compound.

Methods of treating acne

A method for simultaneously treating ocular rosacea and acne rosacea in a human in need thereof comprising administering systemically to said human a tetracycline compound in an amount that is effective to treat ocular rosacea and acne rosacea but has substantially no antibiotic activity.

Methods of simultaneously treating ocular rosacea and acne rosacea

The present invention provides new chemically modified 4-dedimethylaminotetracycline compounds that can be substituted with aryl, alkenyl, or alkynyl groups. The 7, 8, and/or 9 positions and methods for preparing such compounds. Other tetracycline compounds include the 4-dedimethylaminotetracycline derivatives with an oxime group, NH-Alkyl, or N&#x2014;NH-Alkyl group substituted at the C4 position as well as C2 Mannich derivatives. The present invention also provides a method of treating a mammal suffering from conditions or diseases by administering to the mammal an effective amount of the new chemically modified tetracycline compounds.

4-dedimethylaminotetracycline derivatives

A method of treating rosacea in a human in need thereof comprising administering to said human a tetracycline compound in an amount that is effective to treat rosacea, but has substantially no antibiotic activity.

Methods of treating rosacea

A method of treating telangiectasia in a human in need thereof comprising administering to said human a tetracycline compound in an amount that is effective to treat telangiectasia, but has substantially no antibiotic activity.

Use methods of treating acne and telangiectasia

4-dedimethylaminotracycline derivatives

The present invention provides new chemically modified 4-dedimethylaminotetracycline compounds that can be substituted with aryl, alkenyl, or alkynyl groups. The 7, 8, and/or 9 positions and methods for preparing such compounds. Other tetracycline compounds include the 4-dedimethylaminotetracycline derivatives with an oxime group, NH-Alkyl, or N&mdash;NH-Alkyl group substituted at the C4 position as well as C2 Mannich derivatives. The present invention also provides a method of treating a mammal suffering from conditions or diseases by administering to the mammal an effective amount of the new chemically modified tetracycline compounds.

The present invention provides new chemically modified 4-dedimethylaminotetracycline compounds that can be substituted at the 7, 8, and/or 9 positions and methods for preparing the 4-dedimethylamino tetracycline compounds. Other tetracycline compounds are the 4-dedimethylaminotetracycline derivatives with an oxime group, NH-Alkyl, or N&mdash;NH-Alkyl group at the C4 position. The present invention also provides a method of treating a mammal suffering from conditions or diseases by administering to the mammal an effective amount of the new chemically modified 4-dedimethylamino tetracycline compounds.

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Newtown, PA, United States of America

Robert A Ashley