Amphastar Receives FDA Approval for Regadenoson

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RANCHO CUCAMONGA, CA / ACCESSWIRE / May 24, 2022 / Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) announced that the U.S. Food and Drug Administration ("FDA") has approved the Company's Abbreviated New Drug Application ("ANDA") for Regadenoson injection, 0.08 mg/mL, 5mL Single Dose Pre-Filled Syringe. Regadenoson is indicated for radionuclide myocardial perfusion imaging (MPI) in patients unable to undergo adequate exercise stress. The FDA determined that Amphastar's regadenoson is bioequivalent and therapeutically equivalent to Astellas Pharma U.S., Inc's Lexiscan® (Regadenoson Injection).

Amphastar's CEO and President, Dr. Jack Zhang, commented: "We are excited with the FDA's approval of our Regadenoson injection as this broadens our portfolio of products, highlighting our capabilities in combination product development, while providing patients and healthcare providers with another important option. Both the finished product and Active Pharmaceutical Ingredient (API) will be manufactured in the United States."

According to IQVIA, the U.S. sales for Astellas' Lexiscan® (Regadenoson Injection) were approximately $650 million for the 12 months that ended March 31, 2022.

The timing of commercialization of Amphastar's regadenoson product is subject to the confidential settlement terms agreed to between the Company, and Astellas US LLC.

Pipeline Information

The Company currently has three ANDAs on file with the FDA targeting products with a market size of approximately $3.3 billion, three biosimilar products in development targeting products with a market size of approximately $13 billion, and eight generic products in development targeting products with a market size of approximately $9 billion. This market information is based on IQVIA data for the 12 months ended March 31, 2022. The Company is developing multiple proprietary products with injectable and intranasal dosage forms.

Amphastar's Chinese subsidiary, ANP, currently has 17 Drug Master Files, or DMFs, on file with the FDA and is developing several additional DMFs.

Company Information

Amphastar is a bio pharmaceutical company that focuses primarily on developing, manufacturing, marketing, and selling technically-challenging generic and proprietary injectable, inhalation, and intranasal products. Additionally, the Company sells insulin API products. Most of the Company's finished products are used in hospital or urgent care clinical settings and are primarily contracted and distributed through group purchasing organizations and drug wholesalers. More information and resources are available at www.amphastar.com.