Levadex Approval Status
Levadex (dihydroergotamine) is an investigational orally inhaled ergot alkaloid intended for use in the treatment of migraine.
In April 2013, Allergan, Inc. announced the receipt of a Complete Response Letter from the U.S. Food and Drug Administration (FDA) advising the company that the New Drug Application (NDA) for Levadex had not been approved.
Development Status and FDA Approval Process for Levadex
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