You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 22, 2024

Claims for Patent: 10,350,171


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 10,350,171
Title:Celecoxib and amlodipine formulation and method of making the same
Abstract: Provided herein is a celecoxib and amlodipine composition and method of making the same. The composition contains granules containing celecoxib. The amlodipine is incorporated into the composition as an extragranulate.
Inventor(s): Efrati; Yitshak Itsik (Modiin, IL)
Assignee: Dexcel Ltd. (Or-Akiva, IL) Kitov Pharmaceuticals (Tel Aviv, IL)
Application Number:16/008,538
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,350,171
Patent Claims: 1. A method of preparing a pharmaceutical composition comprising celecoxib and amlodipine or pharmaceutically acceptable salts thereof, the method comprising the steps of: (i) wet granulating celecoxib or a pharmaceutically acceptable salt thereof and one or more excipients to obtain a wet granulate, wherein said wet granulate does not include amlodipine; (ii) drying the wet granulate of step (i) to obtain a dry granulate having a loss on drying (LOD) % of about 2.5% or less; and (iii) admixing the dry granulate of step (ii) with an extragranulate comprising amlodipine or a pharmaceutically acceptable salt thereof and optionally one or more excipients.

2. The method of claim 1, wherein the dry granulate has LOD % in the range of from about 0.5% to about 2%.

3. The method of claim 2, wherein the dry granulate has LOD % in the range of from about 0.5% to about 1.5%.

4. The method of claim 1, wherein step (i) comprises dry mixing celecoxib or a pharmaceutically acceptable salt thereof and one or more excipients to obtain a dry mixture, and spraying the dry mixture with a granulation solution or suspension to obtain a wet granulate.

5. The method of claim 4, wherein the granulation solution or suspension comprises an aqueous medium.

6. The method of claim 4, wherein the granulation solution or suspension comprises an organic medium.

7. The method of claim 1, wherein the extragranulate in step (iii) comprises one or more excipients, and wherein the one or more excipients in the wet granulate of step (i) and the one or more excipients in the extragranulate of step (iii) are the same or different selected from the group consisting of a diluent, a disintegrant, a surfactant, a binder, a glidant, a lubricant, and combinations thereof.

8. The method of claim 1 further comprising a step of milling the dry granulate of step (ii) to produce a milled dry granulate prior to step (iii).

9. The method of claim 1, further comprising a step of compressing the phamiaceutical composition to obtain a tablet or a caplet.

10. A pharmaceutical composition prepared by the method of claim 1.

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.