The present invention relates to a cationic lipid having one or more biodegradable groups located in a lipidic moiety (e.g., a hydrophobic chain) of the cationic lipid. These cationic lipids may be incorporated into a lipid particle for delivering an active agent, such as a nucleic acid. The invention also relates to lipid particles comprising a neutral lipid, a lipid capable of reducing aggregation, a cationic lipid of the present invention, and optionally, a sterol. The lipid particle may further include a therapeutic agent such as a nucleic acid.

The present invention relates to a cationic lipid having one or more biodegradable groups located in a lipidic moiety (e.g., a hydrophobic chain) of the cationic lipid. These cationic lipids may be incorporated into a lipid particle for delivering an active agent, such as a nucleic acid. The invention also relates to lipid particles comprising a neutral lipid, a lipid capable of reducing aggregation, a cationic lipid of the present invention, and optionally, a sterol. The lipid particle may further include a therapeutic agent such as a nucleic acid.

The present invention relates to a cationic lipid having one or more biodegradable groups located in a lipidic moiety (e.g., a hydrophobic chain) of the cationic lipid. These cationic lipids may be incorporated into a lipid particle for delivering an active agent, such as a nucleic acid. The invention also relates to lipid particles comprising a neutral lipid, a lipid capable of reducing aggregation, a cationic lipid of the present invention, and optionally, a sterol. The lipid particle may further include a therapeutic agent such as a nucleic acid.

The present invention relates to a cationic lipid having one or more biodegradable groups located in a lipidic moiety (e.g., a hydrophobic chain) of the cationic lipid. These cationic lipids may be incorporated into a lipid particle for delivering an active agent, such as a nucleic acid. The invention also relates to lipid particles comprising a neutral lipid, a lipid capable of reducing aggregation, a cationic lipid of the present invention, and optionally, a sterol. The lipid particle may further include a therapeutic agent such as a nucleic acid.

This invention relates to compounds of Formula (I) wherein Cy.sup.1, L.sup.1, Y, R.sup.1, L.sup.2, and Ar2 are defined herein, for the treatment of cancers, inflammatory disorders, and neurological conditions. ##STR00001##

This invention relates to compounds of Formula (I) wherein Cy.sup.1, L.sup.1, Y, R.sup.1, L.sup.2, and Ar2 are defined herein, for the treatment of cancers, inflammatory disorders, and neurological conditions. ##STR00001##

It is an object of the present invention to provide a medicament for preventing or treating hyperphosphatemia. The solution is crystals, or hydrate thereof, of a salt of a compound represented by formula (I).

Disclosed are compounds that may be used to inhibit the action of fatty acid amide hydrolase (FAAH), monoacylglycerol lipase (MAGL) or dual FAAH/MAGL.

In certain embodiments allosteric inhibitors of BACE are provided. Illustrative inhibitors include but are not limited to various metformin analogs.

2-aminothiazole derivatives represented by formula (I), where R.sub.1 and R.sub.2 represent cycloalkyls, respectively; or R.sub.1 represents a substituted aromatic group, and R.sub.2 represents H, a C.sub.1-C.sub.11 alkyl, —CH.sub.2Ph (benzyl), or a methyl ether including a C.sub.1-C.sub.11 alkyl. R.sub.3 is a substituent including an amino group. X represents a carbonyl or a methylene and n is an integer from 0 to 5.