La Jolla Pharmaceutical Company Announces Planned Initiation of Phase 3 Registration Program for LJPC-501 in Resistant Hypotension

SAN DIEGO–(BUSINESS WIRE)–La Jolla Pharmaceutical Company (NASDAQ: LJPC) (the “Company” or “La Jolla”), a biotechnology company developing therapeutics targeting significant unmet, life-threatening diseases, today announced that the Company plans to begin a phase 3 registration program for LJPC-501 for the treatment of catecholamine-resistant hypotension (CRH), a new indication. Initiation of this registration program is the result of a recent meeting between the Company and the U.S. Food and Drug Administration at which agreement was reached that blood pressure is an appropriate primary endpoint for approval.

“We are excited to begin a registration program in CRH,” said George F. Tidmarsh, M.D., Ph.D., President and CEO of La Jolla. “There are approximately 75,000-100,000 patients per year who suffer from CRH, and the prognosis is very poor. We are excited to advance LJPC-501 into a registration trial for this significant unmet medical need.”

Hypotension, if uncorrected, is life-threatening and occurs as the result of various underlying conditions such as blood loss due to trauma, septic shock, poor heart function or drug reactions. The first line of treatment is catecholamine infusion. Catecholamines are derived from the amino acid tyrosine and include epinephrine (adrenaline), norepinephrine (noradrenaline), and dopamine, which act as neurotransmitters that increase blood pressure. While largely effective, some patients fail to respond to adequate doses and are defined as catecholamine-resistant. Furthermore, high doses of catecholamines can lead to cardiac and other toxicities, and can contribute to the high rate of mortality in these patients. Therefore, there is a major unmet need for a new pharmacological agent that can restore blood pressure while maintaining catecholamine doses at acceptable levels.

LJPC-501 (angiotensin II) is a peptide agonist of the renin-angiotensin system that acts to stabilize blood pressure. One of the most widely prescribed classes of blood pressure medication, angiotensin converting enzyme inhibitors, inhibits the production of angiotensin II, thereby reducing blood pressure. A randomized, placebo-controlled pilot study of angiotensin II in 20 patients with catecholamine-resistant hypotension was presented at the 34th International Symposium on Intensive Care and Emergency Medicine by Dr. Lakhmir S. Chawla from George Washington University. This study demonstrated that the mean norepinephrine dose for the placebo cohort was 20.1 ± 16.8 μg/minute vs. 7.3 ± 11.9 μg/minute for the angiotensin II cohort (= 0.022). This was the pre-defined primary endpoint and a surrogate measure of blood pressure effect. Approximately 80% of patients treated with angiotensin II experienced a rise in blood pressure compared to 10-20% with placebo. The most common adverse event was hypertension, which occurred in 20% of patients receiving angiotensin II. Due to the estimated size of the patient population in the United States for this indication, the Company has filed for Orphan Drug status for angiotensin II.

Conference Call and Webcast

The Company will hold an investor conference call and webcast at 8:00 AM Eastern Time/5:00 AM Pacific Time on Wednesday, July 9, 2014. You can participate on the call by either dialing (877) 359-9508 pin: 71366477 or click here for the webcast.

About La Jolla Pharmaceutical Company

La Jolla Pharmaceutical Company is a biopharmaceutical company focused on the discovery, development and commercialization of innovative therapeutics for chronic organ failure and cancer. GCS-100, the Company’s lead product candidate, is a first-in-class inhibitor of galectin-3, a novel molecular target implicated in chronic organ failure and cancer. LJPC-501, the Company’s second product candidate, is a natural peptide being developed for the treatment of hepatorenal syndrome and CRH. LJPC-401, the Company’s third product candidate, is a natural peptide being developed for the treatment of iron overload. For more information on the Company please visit

Forward-Looking Statement Safe Harbor

This document contains forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These statements relate to future events or our future results of operations. These statements are only predictions and involve known and unknown risks, uncertainties and other factors, which may cause actual results to be materially different from these forward-looking statements. The Company cautions readers not to place undue reliance on any such forward-looking statements, which speak only as of the date they were made. Certain of these risks, uncertainties, and other factors are described in greater detail in the Company’s filings with the U.S. Securities and Exchange Commission (“SEC”), all of which are available free of charge on the SEC’s web site These risks include, but are not limited to: risks relating to the development of GCS-100, LJPC-501 and LJPC-401; the success and timing of future preclinical and clinical studies of these compounds, and potential indications for which GCS-100, LJPC-501 and LJPC-401 may be developed; the ability of the Company to secure the necessary intellectual property rights to commercialize its product candidates, if successfully developed; and the ability to successfully obtain Orphan Drug status for LJPC-501. Subsequent written and oral forward-looking statements attributable to the Company or to persons acting on its behalf are expressly qualified in their entirety by the cautionary statements set forth in the Company’s reports filed with the SEC. The Company expressly disclaims any intent to update any forward-looking statements.


La Jolla Pharmaceutical Company
George F. Tidmarsh, M.D., Ph.D.
President & Chief Executive Officer
Chester S. Zygmont, III
Director of Finance