VICTORIA - Aurinia Pharmaceuticals Inc. (NASDAQ: AUPH) (Aurinia or the Company), a biopharmaceutical company committed to delivering therapeutics that change the course of autoimmune disease, today announced positive topline results from the AURORA 2 continuation study evaluating the long-term safety and tolerability of LUPKYNIS (voclosporin) for the treatment of adults with active lupus nephritis (LN), a serious complication in patients with systemic lupus erythematosus (SLE).

In combination with background immunosuppressive therapy, LUPKYNIS is the first and only FDA-approved medicine with three years of pivotal trial results, including long-term safety data, within LN.

'Up to half of patients with systemic lupus erythematosus will develop lupus nephritis, that can result in severe and permanent damage to the kidneys and, in some cases, renal failure,' said Amit Saxena, M.D., assistant professor, department of medicine at NYU Langone Medical Center and an investigator in the AURORA 2 study. 'These highly anticipated long-term results, of voclosporin in adult patients with LN, show consistent safety with the phase 3 AURORA 1 study and a benign impact on eGFR even after up to three years of treatment while maintaining the impressive reductions in proteinuria seen in AURORA 1.'

'We are pleased by the final results of the AURORA 2 continuation study evaluating LUPKYNIS for the treatment of lupus nephritis, which supports the long-term safety and tolerability for up to three years,' said Neil Solomons, M.D., Chief Medical Officer of Aurinia. 'Furthermore, we observed that efficacy was maintained in combination with MMF and low-dose steroids.'

Highlights of topline results from AURORA 2

In the 116 subjects in the voclosporin-treated group who enrolled in AURORA 2, mean estimated glomerular filtration rate (eGFR) was stable over 36 months.

Compared to the active control group, the voclosporin-treated group showed an increase from baseline eGFR at the end of the studies of +2.7 mL/min.

The drug was well tolerated with no unexpected safety signals observed. There were comparable serious adverse events (SAEs) rates in both arms (19% voclosporin vs. 24% control).

The active control group had a higher percentage of withdrawals compared to the voclosporin-treated group, 15.0% vs. 12.9% respectively.

There were four deaths during AURORA 2 in the active control group, none in the voclosporin-treated group.

The mean Urine Protein Creatinine Ratio (UPCR) was lower in the voclosporin-treated groups at all time points during the three years.

'Aurinia's LN clinical program, including AURA-LV and both the AURORA trials, represents the largest successful LN program to date. The latest results, featuring consistent outcomes over three years, serve to reinforce LUPKYNIS as a safe and effective, important treatment option for patients living with lupus nephritis,' said Peter Greenleaf, President and CEO of Aurinia. 'On behalf of Aurinia, I extend our deepest gratitude to the participants, their families, and the health care providers involved in these studies.'

Aurinia also announced the initiation of ENLIGHT-LN, a U.S.-based prospective, observational registry of adult patients with LN treated with LUPKYNIS. The registry is intended to support the interests of patients, clinicians, regulatory bodies, payers and industry by obtaining longitudinal data on LUPKYNIS. The Company aims to initiate approximately 75 sites across the U.S. Additional details regarding this registry will be provided in 2022.

AURORA 2 Study Design

AURORA 2 (NCT03597464) is a Phase 3 randomized, double-blind, placebo-controlled clinical trial to assess the long-term safety and tolerability of voclosporin, in addition to MMF/steroids. Patients who completed 12 months of treatment in the Phase 3 AURORA 1 study were eligible to enroll in the AURORA 2 continuation study with the same randomized treatment of voclosporin at 23.7 mg twice daily or placebo, in combination with MMF at 1 g twice daily with low-dose oral steroids, for up to an additional 24 months. A total of 216 LN patients out of 357 who were enrolled in the AURORA 1 study continued into AURORA 2, with 116 patients in the voclosporin-treated group and 100 patients in the active control group. 90 and 78 patients, respectively, received 36 months of total treatment at the completion of the study. Results from the completed Phase 3 randomized, double-blind, placebo-controlled, multicenter AURORA 1 study (NCT03021499) were recently published in The Lancet.

About Lupus Nephritis

LN is a serious manifestation of SLE, a chronic and complex autoimmune disease. About 200,000-300,000 people live with SLE in the U.S. and approximately up to half of these individuals develop LN. If poorly controlled, LN can lead to permanent and irreversible tissue damage within the kidney, resulting in kidney failure. Black and Asian individuals with SLE are four times more likely to develop LN and individuals of Hispanic ancestry are approximately twice as likely to develop the disease when compared with Caucasian individuals. Black and Hispanic individuals with SLE also tend to develop LN earlier and have poorer outcomes when compared to Caucasian individuals.

About LUPKYNIS

LUPKYNIS is the first FDA-approved oral medicine for the treatment of adult patients with active LN. LUPKYNIS is a novel, structurally modified calcineurin inhibitor (CNI) with a dual mechanism of action, acting as an immunosuppressant through inhibition of T-cell activation and cytokine production and promoting podocyte stability in the kidney. The recommended starting dose of LUPKYNIS is three capsules twice daily with no requirement for serum drug monitoring. Dose modifications can be made based on Aurinia's proprietary personalized eGFR-based dosing protocol. Boxed Warning, warnings and precautions for LUPKYNIS are consistent with those of other CNI-immunosuppressive treatments.

About Aurinia

Aurinia is a fully integrated biopharmaceutical company focused on delivering therapies to treat targeted patient populations that are impacted by serious diseases with a high unmet medical need. In January 2021, the Company introduced the first FDA-approved oral therapy indicated for the treatment of adult patients with active lupus nephritis (LN). Aurinia's head office is in Victoria, British Columbia; its U.S. commercial hub is in Rockville, Maryland and the Company focuses development efforts globally.

Contact:

Dana Lynch

Email: dlynch@auriniapharma.com

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