US 7,585,893 B2
Anti-cancer composition comprising DMXAA or related compound
Bruce Charles Baguley, Auckland (New Zealand); Lai-Ming Ching, West Harbour (New Zealand); Philip Kestell, Auckland (New Zealand); and Liangli Zhao, Mt. Roskill (New Zealand)
Assigned to Cancer Research Technology Limited, (United Kingdom)
Filed on Apr. 28, 2005, as Appl. No. 11/116,798.
Application 11/116798 is a continuation of application No. PCT/GB03/04688, filed on Oct. 30, 2003.
Claims priority of application No. 0225508.1 (GB), filed on Nov. 01, 2002.
Prior Publication US 2006/0009505 A1, Jan. 12, 2006
Int. Cl. A61K 31/35 (2006.01)
U.S. Cl. 514—457  [514/449; 514/455] 9 Claims
 
1. A method for treating colon cancer, which comprises orally administering to a mammal, in need of treatment an effective amount of 5,6-dimethylxanthenone-4-acetic acid (DMXAA) or a pharmaceutically acceptable salt or ester thereof;
wherein:
(i) DMXAA, or a pharmaceutically acceptable salt or ester thereof, is administered in two or more discrete doses, separated by a time interval;
(ii) the first dose is greater than 50% of a maximum tolerated dose;
(iii) the first dose is greater than 1.5 times the magnitude of one or more subsequent doses; and
(iv) said time interval is in a range of 1 to 6 hours, and
wherein the maximum tolerated dose of DMXAA is 5300 mg/m2.