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

Last Updated: November 23, 2024

Claims for Patent: 7,220,767

✉ Email this page to a colleague

« Back to Dashboard

Summary for Patent: 7,220,767

Title:	Pharmaceutical formulations containing zolmitriptan
Abstract:	A pharmaceutical formulation of the 5HT1-agonist, zolmitriptan, for use in intranasal administration. The formulation is useful in treating migraine and related disorders.
Inventor(s):	Dearn; Alan Roy (Hertfordshire, GB), Williamson; Sarah Louise (Hertfordshire, GB), Summers; John Simon (Hertfordshire, GB), Coomber; Trevor John (Hertfordshire, GB)
Assignee:	AstraZeneca AB (Sodertalje, SE)
Application Number:	10/854,959
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 7,220,767
Patent Claims:	1. A pharmaceutical formulation suitable for intranasal administration which comprises zolmitriptan and a pharmaceutically acceptable carrier wherein the pH of the formulation is less than 6.0. 2. A pharmaceutical formulation according to claim 1 wherein the pH of the formulation is in the range 3.5 to 5.5. 3. A pharmaceutical formulation according to claim 1 wherein the formulation is buffered. 4. A pharmaceutical formulation according to claim 2 wherein the formulation is buffered. 5. A pharmaceutical formulation suitable for intranasal administration which comprises zolmitriptan and a pharmaceutically acceptable carrier wherein the pH of the formulation is less than 6.0, wherein the formulation is buffered by a mixture of citric acid and disodium phosphate. 6. A pharmaceutical formulation suitable for intranasal administration which comprises zolmitriptan and a pharmaceutically acceptable carrier wherein the pH of the formulation is in the range 3.5 to 5.5, wherein the formulation is buffered by a mixture of citric acid and disodium phosphate. 7. A pharmaceutical formulation according to claim 1 which is sterile. 8. A pharmaceutical formulation according to claim 2 which is sterile. 9. A pharmaceutical formulation according to claim 3 which is sterile. 10. A pharmaceutical formulation according to claim 4 which is sterile. 11. A pharmaceutical formulation according to claim 5 which is sterile. 12. A pharmaceutical formulation according to claim 6 which is sterile. 13. An intranasal administration device containing a pharmaceutical formulation as defined in any one of claims 1, 2, 6 or 7. 14. An intranasal administration device containing a pharmaceutical formulation as defined in any one of claims 1 to 12 when packaged to provide protection from light. 15. An aqueous solution of zolmitriptan in a buffer at a pH of less than 6.0. 16. The aqueous solution of claim 15, wherein the pH is in the range 3.5 to 5.5.

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.