HAYWARD, Calif.--(BUSINESS WIRE)--Impax Laboratories, Inc. (NASDAQ: IPXL) today confirmed that the U.S. Food and Drug Administration (FDA) has granted tentative approval of the Company’s Abbreviated New Drug Application for generic version of Cymbalta® delayed-release (duloxetine hydrochloride) 20, 30 and 60 mg capsules. Eli Lilly and Company markets Cymbalta®, a serotonin and norepinephrine reuptake inhibitor indicated for the treatment of major depressive disorder, generalized anxiety disorder, diabetic peripheral neuropathic pain, and fibromyalgia.