Patent 7060694 was granted and assigned to Pozen on June, 2006 by the United States Patent and Trademark Office.
The present invention is directed to improved formulations for dihydroergotamine in which the drug is present at a concentration of at least 2.9 mM. The invention encompasses methods for using these formulations in treating patients for migraine headaches and the packaging of formulation into prefilled syringes for self-administration by patients.