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Claims for Patent: 6,028,071

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Claims for Patent: 6,028,071

Title: Purified compositions of 10-propargyl-10-deazaaminopterin and methods of using same in the treatment of tumors
Abstract:Highly purified 10-propargyl-10-deazaaminopterin (10-propargyl-10dAM) compositions tested in xenograft models for their efficacy against human tumors are shown to be far superior to methotrexate ("MTX") and are even superior to the newer clinical candidate edatrexate ("EDX"). Moreover, 10-propragyl-10dAM showed a surprising ability to cure tumors such that there was no evidence of tumor growth several weeks after the cessation of therapy. Thus, highly purified compositions containing 10-propargyl-10dAM can be used to treat human tumors, particularly human mammary tumors and human lung cancer.
Inventor(s): Sirotnak; Francis M. (New York, NY), Piper; James R. (Birmingham, AL), DeGraw; Joseph I. (Missoula, MT), Colwell; William T. (Menlo Park, CA)
Assignee: Sloan-Kettering Institute for Cancer Research (New York, NY) SRI International (Menlo Park, CA) Southern Research Institute (Birmingham, AL)
Application Number:09/214,984
Patent Claims: 1. 10-Propargyl-10-deazaaminopterin, substantially free of 10-deazaaminopterin.

2. A composition consisting essentially of 10-Propargyl-10-deazaaminopterin.

3. A pharmaceutical composition comprising 10-Propargyl-10-deazaaminopterin, substantially free of 10-deazaaminopterin, and a pharmaceutically acceptable carrier.

4. A method for treatment of tumors comprising administering to a human patient diagnosed as having a tumor a therapeutically effective amount of 10-propargyl-10-deazaaminopterin, substantially free of 10-deazaaminopterin.

5. The method according to claim 4, wherein the tumor is a solid tumor.

6. The method according to claim 4, wherein the 10-propargyl-10-deazaaminopterin, substantially free of 10-deazaaminopterin, is administered in amounts of from 40 to 120 mg/m.sup.2 of body surface area/day.

7. The method according to claim 5, wherein the tumor is a mammary tumor.

8. The method according to claim 4, wherein the tumor is a lung tumor.

9. The pharmaceutical composition according to claim 3, further comprising at least one additional cytotoxic or antitumor compound.

10. The pharmaceutical composition according to claim 9, wherein the at least one additional cytotoxic or antitumor compound is selected from the group consisting of vinca alkaloids, 5-fluorouracil, alkylating agents, cisplatin, carboplatin, leucovorin, taxols and antibiotics.

11. The method according to claim 4, wherein at least one additional cytotoxic or antitumor compound is administered with the therapeutically effective amount of 10-propargyl-1-deazaaminopterin, substantially free of 10-deazaaminopterin.

12. The method according to claim 11, wherein the at least one additional cytotoxic or antitumor compound is selected from the group consisting of vinca alkaloids, 5-fluorouracil, alkylating agents, cisplatin, carboplatin, leucovorin, taxols and antibiotics.
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