EP Patent

EP4169928A1 — Process for the preparation of sucrose octasulfate octakistriethylammonium salt (tasos) powder and uses thereof

Assigned to Sandoz AG · Expires 2023-04-26 · 3y expired

What this patent protects

The present invention refers to a process for preparing sucrose octasulfate octakistriethylammonium salt (TASOS) powder, comprising the steps of combining a TASOS solution with a polar organic solvent(s) and triethylamine, thereby obtaining a TASOS solution, the polar organic sol…

USPTO Abstract

The present invention refers to a process for preparing sucrose octasulfate octakistriethylammonium salt (TASOS) powder, comprising the steps of combining a TASOS solution with a polar organic solvent(s) and triethylamine, thereby obtaining a TASOS solution, the polar organic solvent(s), and triethylamine; concentrating said TASOS solution; combining it with 2-methyltetrahydrofuran and/or tetrahydrofuran and triethylamine, thereby obtaining a mixture; and stirring said mixture until a white TASOS powder is obtained.The present invention also refers to a sucrose octasulfate octakistriethylammonium salt (TASOS) powder having a purity of at least 96%, the use of the sucrose octasulfate octakistriethylammonium salt (TASOS) powder for preparing a pharmaceutical composition, and the use of tetrahydrofuran or 2-methyltetrahydrofuran as antisolvent for the preparation of TASOS powder.Finally, the present invention refers to a pharmaceutical composition prepared by using the sucrose octasulfate octakistriethylammonium salt (TASOS) powder of the present invention, and to the pharmaceutical composition for use in treating cancer.

Drugs covered by this patent

Patent Metadata

Patent number
EP4169928A1
Jurisdiction
EP
Classification
—
Expires
2023-04-26
Drug substance claim
No
Drug product claim
No
Assignee
Sandoz AG
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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