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Alder Presents Preclinical Data for ALD1613 at ENDO 2016

BOTHELL, Wash., April 03, 2016 (GLOBE NEWSWIRE) -- Alder BioPharmaceuticals, Inc. (“Alder”) (NASDAQ:ALDR), today announced that preclinical data on ALD1613, its anti-adrenocorticotropic hormone (ACTH) antibody for the treatment of congenital adrenal hyperplasia (CAH) and Cushing’s disease, were presented today by Andrew L. Feldhaus, Ph.D., in a poster presentation at ENDO 2016, the Endocrine Society’s 98th Annual Meeting in Boston, Mass. The presentation entitled “A Novel Anti-ACTH Antibody (ALD1613) Neutralizes ACTH Activity and Reduces Glucocorticoids in Rats and Nonhuman Primates” was presented as a late-breaking abstract.

Key Points:

  • In vitro, ALD1613 inhibits ACTH-induced cortisol secretion in a mouse adrenal cell line.
  • ALD1613 administration in rats with artificially elevated ACTH and corticosterone levels resulted in a rapid and durable reduction of plasma corticosterone levels.
  • In non-human primates, ALD1613 demonstrated stable and durable reductions in plasma cortisol levels by >50%.

Quote:

Randall C. Schatzman, Ph.D., President and Chief Executive Officer of Alder, said, “Existing therapeutic options for patients with congenital adrenal hyperplasia and Cushing's disease comprise treatments that provide limited disease control and involve significant side effects. We believe these limitations indicate a clear need for new therapies such as ALD1613, which targets ACTH to diminish the overproduction of cortisol. The data presented today demonstrate the capacity of ALD1613 to reduce corticosteroid levels in preclinical settings. We intend to use these studies as part of an IND filing that we plan to submit to the FDA in the second half of 2016.”

About Alder BioPharmaceuticals, Inc.

Alder BioPharmaceuticals, Inc. is a clinical-stage biopharmaceutical company that discovers, develops and seeks to commercialize therapeutic antibodies with the potential to meaningfully transform current treatment paradigms. ALD403, Alder’s lead pivotal-stage product candidate being evaluated for migraine prevention, is a genetically engineered monoclonal antibody that inhibits calcitonin gene-related peptide (CGRP). CGRP is a small protein with a well-established role in the initiation, transmission and heightened sensitivity to migraine pain. Alder’s second program, ALD1613, targets adrenocorticotropic hormone (ACTH) and is intended for the treatment of congenital adrenal hyperplasia and Cushing’s disease. ALD1613 is undergoing Investigational New Drug (IND)-enabling preclinical studies, and an IND submission is planned for 2016. Additionally, clazakizumab is designed to block the pro-inflammatory cytokine IL-6 and has completed two successful Phase 2b clinical trials. Alder is seeking strategic opportunities for clazakizumab. For more information, please visit http://www.alderbio.com.

Forward-Looking Statements

This press release contains forward-looking statements, including, without limitation, statements relating to: the continued development and clinical, therapeutic and commercial potential of ALD403, ALD1613 and clazakizumab; future regulatory filings; and the pursuit of strategic alternatives for clazakizumab. Words such as "believe," "intend," "plan," “potential,” “submit,” "seeking," or other similar expressions, identify forward-looking statements, but the absence of these words does not necessarily mean that a statement is not forward-looking. In addition, any statements that refer to expectations, projections or other characterizations of future events or circumstances are forward-looking statements. The forward-looking statements in this press release are based upon Alder's current plans, assumptions, beliefs, expectations, estimates and projections, and involve substantial risks and uncertainties. Actual results and the timing of events could differ materially from those anticipated in the forward-looking statements due to these risks and uncertainties as well as other factors, which include, without limitation: risks related to the potential failure of ALD403, ALD1613 and clazakizumab to demonstrate safety and efficacy in clinical testing; the clinical, therapeutic and commercial value of ALD403, ALD1613 and clazakizumab; risks and uncertainties related to regulatory review and approval processes and Alder's compliance with applicable legal and regulatory requirements; and other factors discussed under the caption "Risk Factors" in our Annual Report on Form 10-K for the quarter and year ended December 31, 2015, which was filed with the Securities and Exchange Commission (SEC) on February 23, 2016, and is available on the SEC's website at www.sec.gov. Additional information will also be set forth in our other reports and filings we will make with the SEC from time to time. The forward-looking statements made in this press release speak only as of the date of this press release. Alder expressly disclaims any duty, obligation or undertaking to release publicly any updates or revisions to any forward-looking statements contained herein to reflect any change in Alder's expectations with regard thereto or any change in events, conditions or circumstances on which any such statements are based.

Media Contacts: David Schull or Lena Evans Russo Partners (212) 845-4271 (212) 845-4262 david.schull@russopartnersllc.com lena.evans@russopartnersllc.com Investor Relations Contact: David Walsey Alder BioPharmaceuticals (425) 408-8032 dwalsey@alderbio.com

Source:Alder Biopharmaceuticals, Inc.