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Last Updated: March 19, 2024

Details for Patent: 8,076,361


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Title:Form of S-omeprazole
Abstract: The present invention relates to a novel form of the (-)-enantiomer of 5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2 -pyridinyl)-methyl]sulfinyl]-1H-benzimidazole, i.e. S-omeprazole. More specifically, it relates to a novel form of the magnesium salt of the S-enantiomer of omeprazole trihydrate. The present invention also relates to processes for preparing such a form of the magnesium salt of S-omeprazole and pharmaceutical compositions containing it. Furthermore, the present invention also relates to new intermediates used in the process.
Inventor(s): Cotton; Hanna (Sodertalje, SE), Kronstrom; Anders (Sodertalje, SE), Mattson; Anders (Sodertalje, SE), Moller; Eva (Sodertalje, SE)
Assignee: AstraZeneca AB (Sodertalje, SE)
Filing Date:May 21, 2010
Application Number:12/784,881
Claims:1. A method of treating Helicobacter infections comprising the administration of an effective amount of a pharmaceutical composition comprising the magnesium salt of S-omeprazole trihydrate and an antibacterial compound to a patient in need thereof.

2. The method according to claim 1, wherein the magnesium salt of S-omeprazole trihydrate is represented by FIG. 1.

3. The method according to claim 1, wherein the magnesium salt of S-omeprazole trihydrate is characterized by the following peaks in its X-ray diffractogram: TABLE-US-00007 d-value/.ANG. Relative Intensity 2.67 M 2.79 M 3.27 M 3.52 S 3.82 S 3.96 Vs 4.14 M 5.2 M 5.6 M 6.7 Vs 6.9 S 8.3 W 16.6 Vs.

4. The method according to claim 1, wherein the magnesium salt of S-omeprazole trihydrate is in a highly crystalline form.

5. The method according to claim 1, wherein the magnesium salt of S-omeprazole trihydrate is in a stable form.

6. The method according to claim 1, wherein the pharmaceutical composition is in unit dose form suitable for peroral or parenteral administration.

7. The method according to claim 1, wherein the total daily dose of the magnesium salt of S-omeprazole trihydrate is from 10 mg to 80 mg.

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