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Last Updated: April 25, 2024

Claims for Patent: 7,192,612


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Summary for Patent: 7,192,612
Title:Compositions and methods based on synergies between capsicum extracts and tea catechins for prevention and treatment of cancer
Abstract: The invention described herein encompasses methods and compositions of preventing or treating cancer comprising the administration of a combination of therapeutically effective amount of catechins, a group of polyphenols found in green tea, and Capsicum extracts. Compositions of catechins include but not limited to, epigallocatechin gallate (EGCg), epicatechin (EC), epicatechin gallate (ECG), epigallocatechin (EGC). The unique compositions of the invention contain various combinations of the catechins and Capsicum extracts, in combination with each other or other therapeutic agents and are used to treat primary and metastatic cancers in humans. The invention also encompasses the varying modes of administration of the therapeutic compounds, including a formulation which may be used as a therapeutic compound for the treatment of cancer or as a dietary supplement for the prevention of cancer.
Inventor(s): Morre; D. James (West Lafayette, IN), Morre; Dorothy M. (West Lafayette, IN)
Assignee: Purdue Research Foundation (West Lafayette, IN)
Application Number:10/886,159
Patent Claims:1. A method for treating cancer in a mammal which comprises administering to a mammal in need of cancer treatment, wherein the cancer is a type having cancer cells which express tNOX, a therapeutically effective amount of tea catechins and an amidase-treated Capsicum extract.

2. The method of claim 1, wherein the mammal is a human.

3. The method of claim 2 wherein the cancer is selected from a group comprising rectal carcinoma, colon carcinoma, breast carcinoma, ovarian carcinoma, small cell lung carcinoma, colon carcinoma, chronic lymphocytic carcinoma, hairy cell leukemia, esophogeal carcinoma, prostate carcinoma, breast cancer, myeloma, and lymphoma.

4. The method of claim 2 wherein the cancer is a tumor of epithelial tissue, lymphoid tissue, connective tissue, bone, or central nervous system.

5. The method of claim 2 wherein the human is immunosuppressed by reason of having undergone anti-cancer therapy prior to administration of the catechins and Capsicum extract.

6. A method for reducing the incidence of or delaying the onset of cancer in a mammal which comprises administering to a mammal effective amounts of tea catechins and an amidase-treated aqueous extract of dried Capsicum fruits.

7. The method of claim 6 wherein said tea catechins and capsicum extract are administered at a frequency necessary to maintain said constant levels in serum of said mammal.

8. The method of claim 7 wherein said tea catechins are in a composition which comprises a sustained release formulation of tea catechins comprising tea catechins and at least one component which controls release of said catechins.

9. A method for treating cancer in a mammal which comprises administering to a mammal in need of therapy a therapeutically effective amount of a composition comprising one or more tea catechins, or pharmaceutically acceptable salts thereof, an amidase-treated aqueous extract of dried Capsicum fruits, in combination with an effective amount of at least one other chemotherapeutic agent.

10. The method of claim 9 in which said other anti-cancer agent is selected from a group consisting of adriamycin and adriamycin conjugates, mechlorethamine, cyclophosphamide, ifosfamide, melphalan, chlorambucil, hexamethylmelamine, thiotepa, busulfan, carmustine, lomustine, semustine, streptozocin, dacarbazine, methotrexate, fluorouracil, floxuridie, cytarabine, mercaptopurine, thioguanine, pentostatin, vinblastine, vincristine, etoposide, teniposide, actinomycin D, daunorubicin, doxorubicin, bleomycin, plicamycin, mitomycin, L-asparaginase, interferon-alpha, cisplatin, carboplatin, mitoxantrone, hydroxyurea, procarbazine, mitotane, aminoglutethimide, prednisone, hydroxyprogesterone caproate, medroxyprogesterone acetate, megestrol acetate, diethylstilbestrol, ethinyl estradiol, tamoxifen, testosterone propionate, fluoxymesterone, flutamide, leuprolide, acetogenins, e.g., bullatacin, and quassanoids, e.g. simalikalactone D and glaucarubolone, and pharmaceutically acceptable derivatives thereof.

11. The method of claim 1, 6 or 9 in which said administering is made parenterally, orally, or directly into the tumor.

12. The method of claim 1, 6 or 9 in which said administering is made via an implantation device.

13. The method of claim 1, 6 or 9 in which said administering is made with a sustained release formulation.

14. A composition for treating cancer in a mammal which comprises therapeutically effective amounts of tea catechins in combination with an amidase-treated Capsicum extract.

15. The composition of claim 14 wherein said tea catechins are formulated as a sustained release formulation.

16. The composition of claim 14 wherein the composition is formulated as an oral preparation comprising tablets or powders.

17. The composition of claim 14 wherein the composition is formulated as a sterile preparation.

18. The composition of claim 17 wherein the composition is formulated as a parenteral solution.

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