The present invention is related to a compound comprising a cyclic peptide of formula (I)

##STR00001## and an N-terminal modification group A attached to Xaa1, wherein each and any one of Xaa1, Xaa2, Xaa3, Xaa4, Xaa5, Xaa6 and Xaa7 is a residue of an amino acid, and Yc is a structure of formula (X)

##STR00002##

Inhibitor compounds and agents of Cathepsin C, CELA1, CELA3A and/or structurally related molecules thereto, compositions comprising same and uses thereof in the inhibition and/or prevention of cell and/or tissue necrosis is described. Various applications for the described compounds, and combination therapies are described as well.

Inhibitor compounds and agents of Cathepsin C, CELA1, CELA3A and/or structurally related molecules thereto, compositions comprising the same, and uses thereof in the inhibition and/or prevention of cell and/or tissue necrosis are described. The compounds include imidazoles of Formula VI: ##STR00001## wherein G1 is pyrrolidine, pyrazolidine, imidazolidine piperidine, or piperazine and G2 is alkyl, cycloalkyl, heterocycle, or aryl. The pyrrolidine, pyrazolidine, imidazolidine, piperidine, or piperazine of G1 and the alkyl, cycloalkyl, heterocycle, or aryl of G2 are optionally substituted with one or more substituents independently selected from the group consisting of halogen, NO2, CN, C1-C6 alkyl, C1-C6 haloalkyl, NH2, OH, OC1-C6 alkyl, C(O)H, C(O)C1-C6 alkyl, C(O)NH2, C(O)OH, and C(O)OC1-C6 alkyl. Variations applications for the described compounds, and combination therapies are further described as well.

Inhibitor compounds and agents of Cathepsin C, CELA1, CELA3A and/or structurally related molecules thereto, compositions comprising same and uses thereof in the inhibition and/or prevention of cell and/or tissue necrosis is described. Various applications for the described compounds, and combination therapies are described as well.

Inhibitor compounds and agents of Cathepsin C, CELA1, CELA3A and/or structurally related molecules thereto, compositions comprising same and uses thereof in the inhibition and/or prevention of cell and/or tissue necrosis is described. Various applications for the described compounds, and combination therapies are described as well.

Inhibitor compounds and agents of Cathepsin C, CELA1, CELA3A and/or structurally related molecules thereto, compositions comprising same and uses thereof in the inhibition and/or prevention of cell and/or tissue necrosis is described. Various applications for the described compounds, and combination therapies are described as well.