Patent number: 6852755
Abstract: This invention pertains to nitrogen mustard compounds (Formula (II)) and prodrugs therefor (Formula (I)), methods for their preparation, pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, in therapy and treatment, for example, of cancer, wherein: R1 and R2 are independently —Cl, —Br, —I, —OSO2CH3, or —OSO2Ph; R1a, R2a, R1b, and R2b are independently —H, a C1-4alkyl group, or a C1-4haloalkyl group; R3 is —F, —Cl, —Br, —I, —OCHF2, —C?CH, —OCF3, —CH3, —CF3, —SF5, —SCF3, or —CF2CF3; R4 is —H or as defined for R3?, R5 is —H or —F; R7 is —H, —C(CH3)3, or —CH2—CH—CH2; Z is —CH2—T—W; T is —CH2—, —O—, —S—, —(S?O)—, or —(SO2)—; W is one of: (1) —COOH; (2)—(C?O)OR8; (3) —(C?O)NR9R9; (4) —SO2NHR10?, (5) SO2OR11; (6)—PO3R11R11; (7) a tetrazol-5-yl group; (8) —CONH—SO2R12; and, (9)-M-Het.
Type:
Grant
Filed:
March 29, 2000
Date of Patent:
February 8, 2005
Assignee:
Cancer Research Campaign Technology Limited
Inventors:
Caroline J. Springer, Lawrence C. Davies
Patent number: 6699840
Abstract: The invention encompasses novel salts of topiramate, and pharmaceutically acceptable polymorphs, solvates, hydrates, dehydrates, co-crystals, anhydrous, or amorphous forms thereof, as well as pharmaceutical compositions and pharmaceutical unit dosage forms containing the same. In particular, the invention encompasses pharmaceutically acceptable salts of topiramate, including without limitation topiramate sodium, topiramate lithium, topiramate potassium, or polymorphs, solvates, hydrates, dehydrates, co-crystals, anhydrous, and amorphous forms thereof. The invention further encompasses novel co-crystals or complexes of topiramate, as well as pharmaceutical compositions comprising them. The invention also encompasses methods of treating or preventing a variety of diseases and conditions including, but not limited to, seizures, epileptic conditions, tremors, cerebral function disorders, obesity, neuropathic pain, affective disorders, tobacco cessation, migraines, and cluster headache.
Type:
Grant
Filed:
November 18, 2002
Date of Patent:
March 2, 2004
Assignee:
Transform Pharmaceuticals, Inc.
Inventors:
Örn Almarsson, Julius F. Remenar, Matthew L. Peterson