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FDA Approves Qfitlia™ (fitusiran), the First siRNA (RNAi Therapeutic) for the Treatment of Hemophilia A or B

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Alnylam Pharmaceuticals (Nasdaq: ALNY) announces FDA approval of Qfitlia™ (fitusiran), marking a significant breakthrough as the first siRNA therapeutic for hemophilia A or B treatment. This represents Alnylam's sixth approved RNAi therapeutic in the US.

Qfitlia works by lowering antithrombin (AT), a protein that inhibits blood clotting, and is approved for routine prophylaxis in patients 12 years and older with hemophilia A or B, with or without inhibitors. Clinical studies demonstrated a 90% reduction in annualized bleeding rates through subcutaneous injections administered every two months.

Under a collaboration agreement with Sanofi, who holds global development and commercialization rights, Alnylam is eligible to receive tiered royalties of 15-30% on global net sales. The treatment has potential to benefit an estimated one million people worldwide living with hemophilia A and B. Regulatory submissions have also been completed in China and Brazil.

Alnylam Pharmaceuticals (Nasdaq: ALNY) annuncia l'approvazione da parte della FDA di Qfitlia™ (fitusiran), segnando un'importante svolta come il primo trattamento terapeutico siRNA per la cura dell'emofilia A o B. Questo rappresenta il sesto farmaco terapeutico RNAi approvato da Alnylam negli Stati Uniti.

Qfitlia agisce abbassando l'antitrombina (AT), una proteina che inibisce la coagulazione del sangue, ed è approvato per la profilassi di routine in pazienti di 12 anni e oltre con emofilia A o B, con o senza inibitori. Gli studi clinici hanno dimostrato una riduzione del 90% dei tassi di sanguinamento annualizzati attraverso iniezioni sottocutanee somministrate ogni due mesi.

In base a un accordo di collaborazione con Sanofi, che detiene i diritti globali di sviluppo e commercializzazione, Alnylam ha diritto a ricevere royalties scaglionate del 15-30% sulle vendite nette globali. Il trattamento ha il potenziale di beneficiare circa un milione di persone in tutto il mondo affette da emofilia A e B. Sono state completate anche le presentazioni regolatorie in Cina e Brasile.

Alnylam Pharmaceuticals (Nasdaq: ALNY) anuncia la aprobación de la FDA de Qfitlia™ (fitusiran), marcando un avance significativo como la primera terapia siRNA para el tratamiento de la hemofilia A o B. Esto representa la sexta terapia RNAi aprobada por Alnylam en los EE. UU.

Qfitlia funciona reduciendo la antitrombina (AT), una proteína que inhibe la coagulación sanguínea, y está aprobado para la profilaxis rutinaria en pacientes de 12 años o más con hemofilia A o B, con o sin inhibidores. Los estudios clínicos demostraron una reducción del 90% en las tasas de sangrado anualizadas a través de inyecciones subcutáneas administradas cada dos meses.

Bajo un acuerdo de colaboración con Sanofi, que posee los derechos globales de desarrollo y comercialización, Alnylam es elegible para recibir regalías escalonadas del 15-30% sobre las ventas netas globales. El tratamiento tiene el potencial de beneficiar a aproximadamente un millón de personas en todo el mundo que viven con hemofilia A y B. También se han completado las presentaciones regulatorias en China y Brasil.

Alnylam Pharmaceuticals (Nasdaq: ALNY)Qfitlia™ (fitusiran)의 FDA 승인을 발표하며, 이는 A형 또는 B형 혈우병 치료를 위한 최초의 siRNA 치료제로서 중요한 이정표가 됩니다. 이는 Alnylam이 미국에서 승인한 여섯 번째 RNAi 치료제입니다.

Qfitlia는 혈액 응고를 억제하는 단백질인 항트롬빈(AT)을 낮추는 방식으로 작용하며, A형 또는 B형 혈우병 환자(억제제 유무에 관계없이) 12세 이상을 위한 정기적인 예방 요법으로 승인되었습니다. 임상 연구에서는 두 달마다 주사하는 방법으로 연간 출혈율을 90% 감소시키는 결과를 보였습니다.

Sanofi와의 협력 계약에 따라, Sanofi는 글로벌 개발 및 상용화 권리를 보유하고 있으며, Alnylam은 글로벌 순매출의 15-30%에 해당하는 단계적 로열티를 받을 자격이 있습니다. 이 치료는 A형 및 B형 혈우병을 앓고 있는 전 세계 약 백만 명의 사람들에게 혜택을 줄 수 있는 잠재력이 있습니다. 중국과 브라질에서도 규제 제출이 완료되었습니다.

Alnylam Pharmaceuticals (Nasdaq: ALNY) annonce l'approbation par la FDA de Qfitlia™ (fitusiran), marquant une avancée significative en tant que première thérapie siRNA pour le traitement de l'hémophilie A ou B. Cela représente la sixième thérapie RNAi approuvée par Alnylam aux États-Unis.

Qfitlia agit en abaissant l'antithrombine (AT), une protéine qui inhibe la coagulation sanguine, et est approuvé pour la prophylaxie de routine chez les patients de 12 ans et plus atteints d'hémophilie A ou B, avec ou sans inhibiteurs. Des études cliniques ont démontré une réduction de 90% des taux de saignement annualisés grâce à des injections sous-cutanées administrées tous les deux mois.

Dans le cadre d'un accord de collaboration avec Sanofi, qui détient les droits de développement et de commercialisation à l'échelle mondiale, Alnylam est éligible à recevoir des redevances échelonnées de 15-30% sur les ventes nettes mondiales. Ce traitement a le potentiel de bénéficier à environ un million de personnes dans le monde vivant avec l'hémophilie A et B. Des soumissions réglementaires ont également été complétées en Chine et au Brésil.

Alnylam Pharmaceuticals (Nasdaq: ALNY) gibt die FDA-Zulassung von Qfitlia™ (fitusiran) bekannt, was einen bedeutenden Durchbruch als die erste siRNA-Therapie zur Behandlung von Hämophilie A oder B darstellt. Dies ist Alnylams sechste genehmigte RNAi-Therapie in den USA.

Qfitlia wirkt, indem es die Antithrombin (AT) senkt, ein Protein, das die Blutgerinnung hemmt, und ist für die routinemäßige Prophylaxe bei Patienten ab 12 Jahren mit Hämophilie A oder B, mit oder ohne Inhibitoren, zugelassen. Klinische Studien zeigten eine Reduktion der jährlichen Blutungsraten um 90% durch subkutane Injektionen, die alle zwei Monate verabreicht werden.

Im Rahmen einer Zusammenarbeit mit Sanofi, die die globalen Entwicklungs- und Vermarktungsrechte hält, hat Alnylam Anspruch auf gestaffelte Lizenzgebühren von 15-30% auf den globalen Nettoumsatz. Die Behandlung hat das Potenzial, schätzungsweise eine Million Menschen weltweit, die an Hämophilie A und B leiden, zu helfen. Regulierungsanträge wurden auch in China und Brasilien eingereicht.

Positive
  • First-to-market siRNA therapeutic for hemophilia A and B treatment
  • Clinical data shows 90% reduction in bleeding rates
  • Significant royalty stream potential (15-30% of global sales)
  • Large addressable market of approximately 1 million patients
  • Achieves company's P5x25 strategy product goal
Negative
  • to patients 12 years and older
  • Commercialization rights transferred to Sanofi, limiting direct revenue potential

Insights

The FDA approval of Qfitlia (fitusiran) represents a significant milestone for Alnylam Pharmaceuticals, marking their sixth approved RNAi therapeutic and first for hemophilia. This approval carries substantial commercial implications given the innovative mechanism of action - lowering antithrombin to promote thrombin generation - which differentiates it from traditional factor replacement therapies.

The clinical efficacy is compelling, with a 90% reduction in annualized bleeding rates demonstrated in studies. The convenient dosing schedule of subcutaneous injection once every two months offers a potential advantage over more frequently administered treatments.

Under their amended agreement with Sanofi, Alnylam will receive tiered royalties of 15-30% on global sales. This royalty structure is particularly attractive considering the potential market of approximately one million hemophilia patients worldwide. The broad label covering both hemophilia A and B, with or without inhibitors, maximizes the addressable patient population.

This approval completes one of Alnylam's "P5x25" corporate strategy goals ahead of the 2025 target, demonstrating execution capability. With regulatory submissions already completed in China and Brazil, there's potential for expanded global reach in substantial markets.

The approval of Qfitlia represents a paradigm-shifting approach to hemophilia treatment. Unlike conventional therapies that replace missing clotting factors (VIII for hemophilia A, IX for hemophilia B), fitusiran works through a novel mechanism - reducing antithrombin levels to rebalance hemostasis.

This approach offers several clinical advantages. First, it's equally effective for both hemophilia A and B, which typically require different replacement factors. Second, it works in patients with inhibitors (neutralizing antibodies), who are particularly challenging to treat with standard factor replacement. Inhibitor development occurs in approximately 20-30% of severe hemophilia A and 1-5% of hemophilia B patients, representing a significant unmet need.

The 90% reduction in annualized bleeding rates is clinically meaningful. The bimonthly subcutaneous dosing schedule significantly reduces treatment burden compared to standard prophylactic factor regimens, which often require multiple weekly intravenous infusions.

As the first RNAi therapeutic for hemophilia, Qfitlia exemplifies how gene silencing technology can address diseases beyond liver disorders. The approval for patients 12 years and older provides an important new option for adolescents and adults with hemophilia, particularly those who have developed inhibitors and face treatment alternatives.

– Qfitlia Becomes the Sixth Alnylam-Discovered RNAi Therapeutic Approved by U.S. FDA and First and Only to Treat Hemophilia A or B With or Without Inhibitors –

CAMBRIDGE, Mass.--(BUSINESS WIRE)-- Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), the leading RNAi therapeutics company, today highlighted the significance of the U.S. Food and Drug Administration’s (FDA) approval of Qfitlia™ (fitusiran), the sixth Alnylam-discovered RNAi therapeutic approved in the U.S., and the first and only therapeutic to lower antithrombin (AT), a protein that inhibits blood clotting, with the goal of promoting thrombin generation to rebalance hemostasis and prevent bleeds. Qfitlia is indicated in the U.S. for routine prophylaxis to prevent or reduce the frequency of bleeding episodes in adult and pediatric patients 12 years of age and older with hemophilia A or B, with or without factor VIII or IX inhibitors (neutralizing antibodies). Alnylam scientists discovered Qfitlia, published the first clinical data in the New England Journal of Medicine in 2017 showing reduced bleeding rates in hemophilia patients, and initiated the Phase 3 development program. In 2014, Sanofi obtained global rights to co-develop and co-commercialize Qfitlia under a license and collaboration agreement. The agreement was amended in 2018, with Sanofi obtaining global development and commercialization rights to Qfitlia, and Alnylam becoming eligible to receive tiered royalties of 15 to 30 percent on global net sales.

Qfitlia is the sixth Alnylam-discovered medicine using its RNAi therapeutic platform to be approved to date. The approval marks the completion of the “products” goal in Alnylam’s P5x25 strategy, a set of corporate goals for 2025. Qfitlia has the potential to benefit the estimated one million people living with hemophilia A and B around the world.

“Today’s approval of Qfitlia is an important moment for Alnylam and our RNAi therapeutics platform, and for the patients living with hemophilia, who now have access to what we believe will be a transformative medicine,” said Yvonne Greenstreet, MBChB, Chief Executive Officer of Alnylam. “Clinical studies showed that by lowering antithrombin, Qfitlia was able to prophylactically reduce annualized bleeding rates by 90%. Importantly, based on its unique mechanism of action, Qfitlia has demonstrated efficacy in patients with hemophilia A or B, with or without inhibitors, with a subcutaneous injection regimen once every two months. We are excited about the potential of Qfitlia to be an important non-factor option for patients with this burdensome disease.”

Qfitlia is indicated in the U.S. to treat hemophilia A or B for adults and pediatric patients 12 years of age and older with or without inhibiting antibodies to factor VIII (hemophilia A) or factor IX (hemophilia B). Regulatory submissions for Qfitlia have also been completed in China and Brazil.

About RNAi Therapeutics

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 in 2002, 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 include ONPATTRO® (patisiran), AMVUTTRA® (vutrisiran), GIVLAARI® (givosiran), and OXLUMO® (lumasiran), which are being developed and commercialized by Alnylam, and Leqvio® (inclisiran) and Qfitlia (fitusiran), which are being developed and commercialized by Alnylam’s partners, Novartis and Sanofi, respectively. Alnylam has a deep pipeline of investigational medicines, including multiple 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 X (formerly Twitter) at @Alnylam, or on LinkedIn, Facebook, or Instagram.

Alnylam Forward Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements other than historical statements of fact regarding Alnylam’s expectations, beliefs, goals, plans or prospects including, without limitation, statements regarding Qfitlia’s potential to benefit people living with hemophilia A and B around the world, Qfitlia’s potential to be a transformational medicine, and Qfitlia’s potential to be an important non-factor option for patients with hemophilia; and the potential for Alnylam to receive royalties on global net sales of Qfitlia, should be considered forward-looking statements. 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, risks and uncertainties relating to: Sanofi’s ability to obtain marketing authorizations for Qfitlia in countries outside the U.S. and thereafter to launch Qfitlia and to obtain adoption and reimbursement for Qfitlia; Alnylam’s ability to successfully execute on its “Alnylam P5x25” 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 Alnylam’s product candidates; 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 Alnylam’s approved products globally; delays, interruptions or failures in the manufacture and supply of Alnylam’s product candidates or its marketed products; obtaining, maintaining and protecting intellectual property; 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; Alnylam’s ability to maintain strategic business collaborations; Alnylam’s dependence on third parties for the development and commercialization of certain products, including Sanofi; the outcome of litigation; the risk of future government investigations and substantial changes in governmental polices, regulations, funding and enforcement; and unexpected expenditures; as well as those risks and uncertainties more fully discussed in the “Risk Factors” filed with Alnylam’s 2024 Annual Report on Form 10-K filed with the Securities and Exchange Commission (SEC), as may be updated from time to time in Alnylam’s subsequent Quarterly Reports on Form 10-Q, and in other filings that Alnylam makes with the SEC. 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.

Alnylam Pharmaceuticals, Inc.

Christine Regan Lindenboom

(Investors and Media)

617-682-4340

Josh Brodsky

(Investors)

617-551-8276

Source: Alnylam Pharmaceuticals, Inc.

FAQ

What is the efficacy rate of ALNY's Qfitlia in treating hemophilia?

Clinical studies showed Qfitlia reduced annualized bleeding rates by 90% in hemophilia patients through bi-monthly subcutaneous injections.

What royalties will ALNY receive from Qfitlia sales?

Alnylam will receive tiered royalties of 15-30% on global net sales of Qfitlia under their agreement with Sanofi.

What makes Qfitlia unique in the hemophilia treatment market?

Qfitlia is the first and only siRNA therapeutic approved for hemophilia A or B, working by lowering antithrombin to promote blood clotting.

What is the target market size for ALNY's Qfitlia?

The treatment has potential to benefit approximately one million people worldwide living with hemophilia A and B.

In which countries is ALNY seeking approval for Qfitlia?

Besides US FDA approval, regulatory submissions for Qfitlia have been completed in China and Brazil.
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