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CAMBRIDGE, Mass.--(BUSINESS WIRE)--Oct 6, 2022--
Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), the leading RNAi therapeutics company, announced today that the U.S. Food and Drug Administration (FDA) approved a label expansion for OXLUMO ® (lumasiran), an RNAi therapeutic administered via subcutaneous injection, now indicated for the treatment of primary hyperoxaluria type 1 (PH1) to lower urinary oxalate (UOx) and plasma oxalate (POx) levels in pediatric and adult patients. The approval is based on positive efficacy and safety results of the ILLUMINATE-C Phase 3 study of OXLUMO in patients with severe renal impairment, including those on hemodialysis.
PH1 is an ultra-rare genetic disease characterized by oxalate overproduction in the liver. The excess production of oxalate results in the deposition of calcium oxalate crystals in the kidneys and urinary tract and can lead to the formation of painful and recurrent kidney stones and nephrocalcinosis, which can progress to kidney failure. PH1 can also lead to oxalate deposition in multiple organs beyond the kidney, a condition known as systemic oxalosis.
The FDA approval is based on positive six-month results from the ILLUMINATE-C Phase 3 study, in which OXLUMO treatment resulted in substantial reductions in POx and demonstrated an encouraging safety and tolerability profile in patients with compromised renal function, including those with kidney failure and undergoing treatment by hemodialysis. Elevated POx is directly related to the pathophysiology of oxalosis and results in systemic deposition of oxalate in extra-renal tissues, potentially leading to bone fractures, cardiomyopathy, impaired erythropoiesis, vision loss, skin ulcers and other serious manifestations. 1
The supplemental New Drug Application also included results from the open-label extensions of the ILLUMINATE-A and ILLUMINATE-B Phase 3 studies of pediatric and adult patients with PH1. The label has correspondingly been updated to highlight the maintenance of sustained reductions in UOx through Month 24 and Month 12, respectively.
“Today’s label expansion exemplifies Alnylam’s commitment to advancing research and innovation in support of the PH1 community. We also believe this expansion will strengthen prescribers’ confidence in OXLUMO for patients,” said Jorge Capapey, Vice President, Global Rare Disease Lead at Alnylam Pharmaceuticals. “Through the findings of the ILLUMINATE clinical development program, I am thrilled to see the potential benefit of OXLUMO, which remains the first and only FDA-approved PH1 treatment option, now be available for a broad range of people living with the ultra-rare disease, including those advanced PH1 patients undergoing hemodialysis. We extend our sincere gratitude to the patients, families and investigators involved in the research supporting this approval, without whom it would not be possible to bring this therapy to those living with PH1.”
The label expansion for OXLUMO is based on positive six-month results from ILLUMINATE-C, where treatment with lumasiran resulted in a substantial reduction in POx from baseline to Month Six in both dialysis-independent and -dependent patients. Patients in both cohorts had a reduction in POx as early as Month One. In Cohort A (N=6, dialysis-independent), treatment with OXLUMO led to a 33% least squares (LS) mean reduction in POx from baseline to Month Six (LS Mean; 95% CI: -82%, 15%), and in Cohort B (N=15, hemodialysis-dependent), treatment with OXLUMO led to a 42% LS mean reduction in POx from baseline to Month Six (LS Mean; 95% CI: -51%, 34%). OXLUMO demonstrated an encouraging safety and tolerability profile with no deaths or drug-related serious adverse events (SAEs) among enrolled patients. There were two treatment discontinuations due to adverse events (AEs) in the extension period of the study, neither of which was drug related. The most common AE related to lumasiran was injection-site reaction (ISR) reported in five of 21 patients (24%) which were all mild and transient.
“The significance of the label expansion of OXLUMO cannot be overstated, as this milestone provides crucial reassurance among a patient population with the highest unmet need, as well as their caregivers and loved ones, that OXLUMO is available in the US for patients living with PH1, including those with advanced disease,” said Kim Hollander, Executive Director of the Oxalosis and Hyperoxaluria Foundation. “We are grateful to Alnylam for their continued commitment to the PH1 community and for ensuring that all patients — no matter how severe their disease — have the same opportunity to potentially benefit from OXLUMO treatment.”
In November of 2020, OXLUMO was approved by the FDA for the treatment of PH1 to lower UOx levels in pediatric and adult patients. It was also approved by the European Medicines Agency (EMA) for the treatment of PH1 in all age groups. The Committee for Medicinal Products for Human Use (CHMP) of the EMA delivered a positive opinion recommending variation to the marketing authorization of OXLUMO based on ILLUMINATE-C data from patients with advanced PH1 in September 2022. Lumasiran is also being evaluated in a global Phase 2 study as an investigational treatment in patients with recurrent kidney stone disease and elevated UOx levels.
Visit OXLUMO.com for more information, including full Prescribing Information.
OXLUMO ® (lumasiran) INDICATION AND IMPORTANT SAFETY INFORMATION
Indication
OXLUMO ® (lumasiran) is indicated for the treatment of primary hyperoxaluria type 1 (PH1) to lower urinary and plasma oxalate levels in children and adults.
Important Safety Information
Adverse Reactions
The most common (≥20%) adverse reaction reported in patients treated with OXLUMO was injection site reaction. Injection site reactions included erythema, swelling, pain, hematoma, pruritus, and discoloration.
Pregnancy and Lactation
No data are available on the use of OXLUMO in pregnant women. No data are available on the presence of OXLUMO in human milk or its effects on breastfed infants or milk production. Consider the developmental and health benefits of breastfeeding along with the mother’s clinical need for OXLUMO and any potential adverse effects on the breastfed child from OXLUMO or the underlying maternal condition.
For additional information about OXLUMO, please see the accompanying full U.S. Prescribing Information.
About OXLUMO (lumasiran)
OXLUMO ® (lumasiran) is an RNAi therapeutic targeting hydroxyacid oxidase 1 (HAO1). HAO1 encodes glycolate oxidase (GO). Thus, by silencing HAO1 and depleting the GO enzyme, OXLUMO inhibits production of oxalate – the metabolite that directly contributes to the pathophysiology of PH1. OXLUMO utilizes Alnylam’s Enhanced Stabilization Chemistry (ESC)-GalNAc-conjugate technology, which enables subcutaneous dosing with increased potency and durability and a wide therapeutic index. OXLUMO has received regulatory approvals from the U.S. Food and Drug Administration (FDA) for the treatment of primary hyperoxaluria type 1 (PH1) to lower urinary and plasma oxalate levels in pediatric and adult patients and from the European Medicines Agency (EMA) for the treatment of PH1 in all age groups.
In the pivotal ILLUMINATE-A study, OXLUMO was shown to significantly reduce levels of urinary oxalate relative to placebo, with the majority of patients reaching normal or near-normal levels. In the ILLUMINATE-B pediatric Phase 3 study, OXLUMO demonstrated an efficacy and safety profile consistent to that observed in ILLUMINATE-A. In the ILLUMINATE-C study, OXLUMO resulted in substantial reductions in plasma oxalate in patients with advanced PH1. Across all three studies, injection site reactions (ISRs) were the most common drug-related adverse reaction.
OXLUMO is administered via subcutaneous injection once monthly for three months, then once quarterly beginning one month after the last loading dose at a dose based on actual body weight. For patients who weigh less than 10 kg, ongoing dosing remains monthly.
OXLUMO should be administered by a healthcare professional. For more information about OXLUMO, visit OXLUMO.com.
About the ILLUMINATE-C Phase 3 Study
ILLUMINATE-C ( NCT04152200 ) is a single arm, open-label, multinational Phase 3 study with a 6-month primary analysis period and an extended 54-month dosing period to evaluate the safety and efficacy of lumasiran in PH1 patients of all ages with severe renal impairment (eGFR ≤ 45 mL/min/1.73m 2 or elevated serum creatinine for patients <12 months of age). The study is being conducted at 13 study sites across 10 countries around the world. Cohort A enrolled six patients with advanced PH1 who do not yet require dialysis, and Cohort B enrolled 15 patients who are hemodialysis-dependent. The dosing regimen is based on weight with three monthly starting doses followed by ongoing monthly or quarterly doses. The primary efficacy endpoint for Cohort A was the percent change in plasma oxalate from baseline to month six, and the primary endpoint for Cohort B was the percent change in pre-dialysis plasma oxalate from baseline to month six. Key secondary endpoints are designed to evaluate additional measures of plasma oxalate and changes in urinary oxalate. Kidney function, frequency and mode of dialysis, frequency of kidney stone events and measures of systemic oxalosis, including clinical manifestations, will also be evaluated in the extension period of the study.
About Primary Hyperoxaluria Type 1 (PH1)
PH1 is an ultra-rare genetic disease that affects an estimated one to three individuals per million in the United States and Europe. PH1 is characterized by oxalate overproduction in the liver. The excess oxalate results in the deposition of calcium oxalate crystals in the kidneys and urinary tract and can lead to the formation of painful and recurrent kidney stones and nephrocalcinosis. Renal damage is caused by a combination of tubular toxicity from oxalate, calcium oxalate deposition in the kidneys and urinary obstruction by calcium oxalate stones. PH1 is associated with a progressive decline in kidney function, which exacerbates the disease as the excess oxalate can no longer be effectively excreted, resulting in subsequent accumulation and deposition of oxalate in bones, eyes, skin and heart, leading to severe illness and death.
About RNAi
RNAi (RNA interference) is a natural cellular process of gene silencing that represents one of the most promising and rapidly advancing frontiers in biology and drug development today. Its discovery has been heralded as "a major scientific breakthrough that happens once every decade or so," and was recognized with the award of the 2006 Nobel Prize for Physiology or Medicine. By harnessing the natural biological process of RNAi occurring in our cells, a new class of medicines, known as RNAi therapeutics, is now a reality. Small interfering RNA (siRNA), the molecules that mediate RNAi and comprise Alnylam's RNAi therapeutic platform, function upstream of today’s medicines by potently silencing messenger RNA (mRNA) – the genetic precursors – that encode for disease-causing or disease pathway proteins, thus preventing them from being made. This is a revolutionary approach with the potential to transform the care of patients with genetic and other diseases.
About Alnylam Pharmaceuticals
Alnylam (Nasdaq: ALNY) has led the translation of RNA interference (RNAi) into a whole new class of innovative medicines with the potential to transform the lives of people afflicted with rare and prevalent diseases with unmet need. Based on Nobel Prize-winning science, RNAi therapeutics represent a powerful, clinically validated approach yielding transformative medicines. Since its founding 20 years ago, Alnylam has led the RNAi Revolution and continues to deliver on a bold vision to turn scientific possibility into reality. Alnylam’s commercial RNAi therapeutic products are ONPATTRO ® (patisiran), GIVLAARI ® (givosiran), OXLUMO ® (lumasiran), AMVUTTRA ® (vutrisiran), and Leqvio ® (inclisiran) being developed and commercialized by Alnylam’s partner, Novartis. Alnylam has a deep pipeline of investigational medicines, including six product candidates that are in late-stage development. Alnylam is executing on its “Alnylam P5x25” strategy to deliver transformative medicines in both rare and common diseases benefiting patients around the world through sustainable innovation and exceptional financial performance, resulting in a leading biotech profile. Alnylam is headquartered in Cambridge, MA. For more information about our people, science and pipeline, please visit www.alnylam.com and engage with us on Twitter at @Alnylam, on LinkedIn, or on Instagram.
Alnylam Forward Looking Statements
Various statements in this release concerning Alnylam's future expectations, plans and prospects, including, without limitation, Alnylam’s views with respect to the safety and efficacy of OXLUMO for the treatment of primary hyperoxaluria type 1 (PH1) to lower urinary oxalate (UOx) and plasma oxalate (POx) levels in pediatric and adult patients, the potential for OXLUMO to offer a treatment option for patients living with PH1, including those with advanced disease, including kidney failure and those on hemodialysis, the continued clinical development of lumasiran for the treatment of patients with recurrent kidney stone disease and elevated UOx levels, Alnylam’s aspiration to become a leading biotech company, and the planned achievement of its “Alnylam P 5 x25” strategy, constitute forward-looking statements for the purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995. Actual results and future plans may differ materially from those indicated by these forward-looking statements as a result of various important risks, uncertainties and other factors, including, without limitation: the direct or indirect impact of the COVID-19 global pandemic or any future pandemic on Alnylam’s business, results of operations and financial condition and the effectiveness or timeliness of Alnylam’s efforts to mitigate the impact of the pandemic; the potential impact of the recent leadership transition on Alnylam’s ability to attract and retain talent and to successfully execute on its “Alnylam P 5 x25” strategy; Alnylam's ability to discover and develop novel drug candidates and delivery approaches, and successfully demonstrate the efficacy and safety of its product candidates; the pre-clinical and clinical results for its product candidates, including lumasiran; actions or advice of regulatory agencies and Alnylam’s ability to obtain and maintain regulatory approval for its product candidates, as well as favorable pricing and reimbursement; successfully launching, marketing and selling its approved products globally; delays, interruptions or failures in the manufacture and supply of its product candidates or its marketed products; obtaining, maintaining and protecting intellectual property; Alnylam’s ability to successfully expand the indication for ONPATTRO, AMVUTTRA and OXLUMO in the future; Alnylam's ability to manage its growth and operating expenses through disciplined investment in operations and its ability to achieve a self-sustainable financial profile in the future without the need for future equity financing; Alnylam’s ability to maintain strategic business collaborations; Alnylam's dependence on third parties for the development and commercialization of certain products, including Novartis, Sanofi, Regeneron and Vir; the outcome of litigation; the potential impact of current and the risk of future government investigations; and unexpected expenditures; as well as those risks more fully discussed in the “Risk Factors” filed with Alnylam's most recent Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (SEC) and in its other SEC filings. In addition, any forward-looking statements represent Alnylam's views only as of today and should not be relied upon as representing its views as of any subsequent date. Alnylam explicitly disclaims any obligation, except to the extent required by law, to update any forward-looking statements.
1 Milliner et al., End Points for Clinical Trials in Primary Hyperoxaluria. Clin J Am Soc Nephrol. 2020; 15(7):1056-1065.
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CONTACT: Alnylam Pharmaceuticals, Inc.Christine Regan Lindenboom
(Investors and Media)
+1-617-682-4340Josh Brodsky
(Investors)
+1-617-551-8276
KEYWORD: MASSACHUSETTS UNITED STATES NORTH AMERICA
INDUSTRY KEYWORD: HEALTH FDA GENETICS OTHER HEALTH CLINICAL TRIALS PHARMACEUTICAL BIOTECHNOLOGY
SOURCE: Alnylam Pharmaceuticals, Inc.
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PUB: 10/06/2022 08:30 PM/DISC: 10/06/2022 08:33 PM
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