214 results about "Proteasome inhibitor" patented technology

Compositions comprising one or more practically insoluble proteasome inhibitors and a cyclodextrin, particularly a substituted cyclodextrin, substantially increase the solubility of these proteasome inhibitors and facilitate their administration. Such compositions optionally comprise a buffer. Methods of treatment using such compositions are also disclosed.

Peptide-based compounds including heteroatom-containing, three-membered rings efficiently and selectively inhibit specific activities of N-terminal nucleophile (Ntn) hydrolases associated with the proteasome. The peptide-based compounds include an epoxide or aziridine, and functionalization at the N-terminus. Among other therapeutic utilities, the peptide-based compounds are expected to display anti-inflammatory properties and inhibition of cell proliferation. Oral administration of these peptide-based proteasome inhibitors is possible due to their bioavailability profiles.

This invention is directed to the treatment of inflammatory and autoimmune diseases by administering proteasome inhibitors, ubiquitin pathway inhibitors, agents that interfere with the activation of NF-kappaB via the ubiquitin proteasome pathway, or mixtures thereof. The invention is further directed to the treatment of inflammatory and autoimmune diseases by administering an effective combination of a glucocorticoid and a proteasome inhibitor, ubiquitin pathway inhibitor, agent that interferes with the activation of NF-kappaB via the ubiquitin proteasome pathway, or mixture thereof. Pharmaceutical compositions comprising a combination of a glucocorticoid and a proteasome inhibitor, ubiquitin pathway inhibitor, agent that interferes with the activation of NF-kappaB via the ubiquitin proteasome pathway, or mixture thereof are also contemplated within the scope of the invention.

The subject invention concerns compounds having activity as inhibitors of proteasomes and methods of using the subject compounds. In one embodiment, a compound of the invention has the chemical structure shown in formula I:whereinR1 is an organic cyclic ring structure bonded to a sulfonamide structure;R2 is H, halogen, alkyl, —NR6R7, or heteroalkyl;R3 is H, halogen, —OH, —O-alkyl, alkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, —NO2, —NH2 or substituted amines;R4 is H, alkyl, heteroalkyl, aryl, or heteroaryl, any of which can be optionally substituted with one or more of —NO2, alkyl, heteroalkyl, aryl, or heteroaryl, or halogen;R5 is H, —OH, halogen, alkyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, —O-alkyl, —O-aryl, heteroalkyl, —NO2, —NH2, or substituted amine; andR6 and R7 are independently H, O, alkyl, aryl, heterocycloalkyl, or heteroaryl, or together can form a heterocycloalkyl or a heteroaryl, any of which can be optionally substituted with one or more of —NO2, alkyl, heteroalkyl, aryl, or halogen;or a pharmaceutically acceptable salt or hydrate thereof.In another embodiment, a compound of the invention has the chemical structure shown in formula II:whereinQ, W, X, Y, Z are each independently carbon, oxygen, or nitrogen;R1 is H, or X1R8;R2 is heteroalkyl, which can be optionally substituted with one or more of —OH, halogen, —C(O)OR4, alkyl, heteroalkyl, heterocycloalkyl, or heteroaryl;R3 is heterocycloalkyl, aryl, heteroaryl, any of which can be optionally substituted with one or more of a halogen or —OH; andR4 is H or alkyl;R5 is halogen, alkyl or nitro;R6 is nitro, X2R9 or a halogen;R7 is H or alkyl;R8 is H, alkyl, aryl, CH2-alkyl-aryl, -alkyl-C(O)OH, or alkyl-tetrazole (aromatic and aliphatic heterocyclic groups);R9 is H or alkyl;X1 is oxygen, nitrogen, or sulfur;X2 is oxygen, nitrogen, or sulfur;or a pharmaceutically acceptable salt or hydrate thereof.

A method and kit for inhibiting the proliferation of cancer cells are disclosed, based on a combination of a proteasome inhibitor and a telomerase inhibitor. When used in cancer therapy, the two compounds in combination enhance the anti-cancer treatment efficacy obtained with the proteasome inhibitor alone or the telomerase inhibitor alone. Preferably, efficacy is supraadditive or synergistic in nature relative to the combined effects of the individual agents, with minimal exacerbation of side effects.

A liposome composition comprised of liposomes having the peptide boronic acid proteasome inhibitor compound bortezomib entrapped in the liposomes is described. The boronic acid compound is entrapped in the liposomes in the form of a boronate ester, subsequent to interaction with a liposome-entrapped polyol. In one embodiment, the liposomes have an outer coating of hydrophilic polymer chains and are used to treat a solid tumor in a subject.

The invention provides a method of repressing metastasis of a cancer compromising the administration of a peptide epoxyketone proteasome inhibitor. Furthermore, the method can be performed in combination with the administration of one or more additional therapeutics

Methods for treating lymphomas characterized by expression of CD30 using anti-CD30 antibodies and proteasome inhibitors in combination are disclosed.

The invention relates to the synthesis of boronic ester and acid compounds. More particularly, the invention provides improved synthetic processes for the large-scale production of boronic ester and acid compounds, including the peptide boronic acid proteasome inhibitor bortezomib.

The present invention relates to compositions and methods for cancer treatment comprising compounds of Formulae I, II, and III. In some aspects, the invention relates to the treatment of B-cell Lymphoma or other hematopoietic cancers. In other aspects, the invention provides methods for treating particular types of hematopoietic cancers, such as, for example, B-cell lymphoma, using a combination of one or more compounds of Formulae I, II, and III. Combination therapy with, for example, 26S proteasome inhibitors, such as, for example, Bortezomib, are also included. In another aspect the present invention relates to autoimmune treatment with compounds of Formulae I, II, and III. In another aspect, this invention relates to methods for identifying compounds, for example, compounds of the BH3 mimic class, that have in vitro properties that predict in vivo efficacy against B-cell lymphoma tumors and other cancers as well as autoimmune disease.

The present invention provides a therapeutic combination comprising (a) a compound of formula (I) as set forth in the specification and (b) one or more antineoplastic agents selected from the group consisting of an alkylating or alkylating-like agent, an antimetabolite agent, a topoisomerase I inhibitor, a topoisomerase 11 inhibitor, an inhibitor of a growth factor or of a growth factor receptor, an antimitotic agent, a proteasome inhibitor, an inhibitor of an anti-apoptotic protein and an antibody directed against a cell surface protein, wherein the active ingredients are present in each case in lice form or in the form of a pharmaceutically acceptable salt or any hydrate thereof.

(−)-EGCG, the most abundant catechin, was found to be chemopreventive and anticancer agent. However, (−)-EGCG has at least one limitation: it gives poor bioavailability. This invention provides compounds of generally formula 10, wherein R1 is selected from the group of —H and C1 to C6 acyl group; R2, R3, and R4 are each independently selected from the group of —H, —OH, and C1 to C6 acyloxyl group; and at least one of R2, R3, or R4 is —H. The derivatives of (−)-EGCG that is at least as potent as (−)-EGCG. The carboxylate protected forms of (−)-EGCG and its derivatives are found to be more stable than the unprotected forms, which can be used as proteasome inhibitors to reduce tumor cell growth.

The present invention relates to a compositions for and methods for cancer treatment, for example, hematopoietic cancers (e.g. B-cell Lymphoma). In other aspects, the invention provides methods for treating particular types of hematopoietic cancers, such as B-cell lymphoma, using a combination of one or more of the disclosed compounds and, for example, 26S proteasome inhibitors, such as, for example, Bortezomib. In another aspect the present invention relates to autoimmune treatment with the disclosed compounds. In another aspect, this invention relates to methods for identifying compounds, for example, compounds of the BH3 mimic class, that have unique in vitro properties that predict in vivo efficacy against B-cell lymphoma tumors and other cancers as well as autoimmune disease.