{"id":30174,"date":"2024-10-28T17:34:57","date_gmt":"2024-10-28T12:04:57","guid":{"rendered":"https:\/\/www.delveinsight.com\/blog\/?p=30174"},"modified":"2024-10-28T17:34:59","modified_gmt":"2024-10-28T12:04:59","slug":"abrysvo-for-rsv","status":"publish","type":"post","link":"https:\/\/www.delveinsight.com\/blog\/abrysvo-for-rsv","title":{"rendered":"Pfizer\u2019s ABRYSVO Outpaces GSK\u2019s AREXVY with Expanded FDA Approval \u2013 But Can It Sustain the Momentum?"},"content":{"rendered":"\n

Pfizer\u2019s ABRYSVO<\/strong> became the first and only RSV vaccine approved for use in adults under 50, offering the most extensive RSV vaccine coverage for adults. The label expansion announced on 22 October 2024 includes younger adults considered at higher risk for RSV-related lower respiratory tract disease (LRTD).  <\/p>\n\n\n\n

ABRYSVO (RSVpreF) is a sterile solution for intramuscular injection. The vaccine is supplied as a vial of lyophilized antigen component that is reconstituted at the time of use with a sterile water diluent component. The antigen component contains recombinant RSV preF A and RSV preF B.<\/p>\n\n\n\n

In May 2023, the FDA approved ABRYSVO to prevent LRTD caused by RSV in individuals<\/a> aged 60 and older. In August 2023, the FDA further approved ABRYSVO for the prevention of LRTD and severe LRTD due to RSV in infants from birth to 6 months of age through the active immunization of pregnant individuals between 32 and 36 weeks of gestation. <\/p>\n\n\n\n

This was followed by a recommendation from the Advisory Committee on Immunization Practices (ACIP) in September 2023, advocating for maternal immunization to protect newborns during the RSV season, suggesting the administration of the vaccine from September to January in most of the continental United States.<\/p>\n\n\n\n

In August 2023, Pfizer also announced that the European Commission had granted marketing authorization for ABRYSVO for use in older adults and for maternal immunization to protect infants. Moreover, ABRYSVO has received approvals for both indications in various countries around the world.<\/p>\n\n\n\n

While Pfizer\u2019s ABRYSVO is a win against GSK\u2019s RSV vaccine, AREXVY<\/strong>, which is approved for individuals aged 50 and older, it\u2019s unclear how much benefit will come from this approval since the Centers for Disease Control and Prevention (CDC) still needs to authorize ABRYSVO for a broader age group.<\/p>\n\n\n\n

Get more insights on <\/em><\/strong>GSK\u2019s RSV vaccine AREXVY<\/em><\/strong><\/a> <\/em><\/strong><\/p>\n\n\n\n

In June 2024, the CDC limited its recommendation for RSV vaccines to adults aged 75 and older, as well as those between 60 and 74 who are at risk of severe illness. Previously, the CDC had recommended the vaccines for all adults aged 60 and older.<\/p>\n\n\n\n

The FDA\u2019s decision is based on inferred efficacy from the pivotal Phase III clinical trial (NCT05842967) known as MONeT<\/strong> (RSV Immunization Study for Adults at Higher Risk of Severe Illness). This trial evaluated the safety, tolerability, and immunogenicity of ABRYSVO in adults who are at risk of RSV-related disease due to specific chronic medical conditions. The company plans to submit the MONeT results for publication in a peer-reviewed scientific journal and to present them at an upcoming scientific conference.<\/p>\n\n\n\n

\"ABRYSVO<\/figure>\n\n\n\n

In the US, 9.5% of adults aged 18 to 49 have an underlying chronic condition, such as obesity, diabetes, chronic obstructive pulmonary disease (COPD), heart failure, chronic kidney disease, or asthma, which increases their risk of developing and being hospitalized for RSV-associated LRTD. This percentage rises to 24.3% among individuals aged 50 to 64.<\/p>\n\n\n\n

Last year, ABRYSVO brought in $890 million<\/strong> in sales, while GSK announced that AREXVY\u2019s revenue hit 1.2 billion pounds sterling ($1.5 billion)<\/strong>. Following the CDC\u2019s revised recommendation, GSK lowered its 2024 sales forecast from a high single-digit to low double-digit percent growth to a low to mid-single-digit percent growth at constant exchange rates.<\/p>\n\n\n\n

Alongside ABRYSVO and AREXVY, a new player has entered the RSV adult market<\/a>, i.e., Moderna\u2019s mRESVIA<\/strong>. In May 2024, Moderna\u2019s mRESVIA received FDA approval to safeguard adults aged 60 and older from lower respiratory tract disease caused by respiratory syncytial virus. This marks Moderna\u2019s second FDA approval, following the 2022 authorization of its COVID-19 vaccine, Spikevax<\/strong>. Similar to Spikevax, mRESVIA utilizes Moderna\u2019s messenger RNA technology.<\/p>\n\n\n\n

Sanofi <\/strong>and AstraZeneca <\/strong>are also capturing the RSV vaccine market with their product BEYFORTUS<\/strong>. In July 2023, the FDA approved Sanofi and AstraZeneca\u2019s antibody, BEYFORTUS (nirsevimab), as a preventive treatment for RSV lower respiratory tract disease in infants. This approval applies to newborns and infants who are either born during or entering their first RSV season, as well as to young children up to 24 months old who are still at risk for RSV during their second season of illness.<\/p>\n\n\n\n

Dive deep to get the complete story of the approval of <\/em><\/strong>Sanofi\/AstraZeneca\u2019s BEYFORTUS<\/em><\/strong><\/a> for infants<\/em><\/strong><\/p>\n\n\n\n

Talking about AstraZeneca, it is also coming up with another product IVX-A12<\/strong>. In February 2024, AstraZeneca completed the acquisition of ICOSAVAX<\/strong>. The proposed acquisition focused on AstraZeneca\u2019s expertise in RSV, strengthening AstraZeneca\u2019s Vaccines & Immune Therapies late-stage pipeline with ICOSAVAX\u2019s lead investigational vaccine candidate, IVX-A12.<\/p>\n\n\n\n

IVX-A12 is a potential first-in-class combination RSV vaccine candidate<\/a> containing VLPs that incorporate stabilized prefusion F proteins from RSV and hMPV viruses. The FDA has granted IVX-A12 Fast Track designation to adults \u226560 years of age.<\/p>\n\n\n\n

Another contender in the race is Blue Lake Biotechnology\u2019s BLB201<\/strong>. BLB-201 is being developed to prevent RSV infections. This therapeutic candidate utilizes Parainfluenza virus 5 (PIV5, CPI strain) to develop amplifying virus-like particles that express RSV antigens and is administered intranasally. The vaccine is based on the PIV5 platform. <\/p>\n\n\n\n

In March 2024, Blue Lake Biotechnology announced promising preliminary results from the first two cohorts of a Phase I\/IIa trial of BLB-201, an investigational RSV vaccine. The vaccine demonstrated immunogenicity and was well-tolerated in children.<\/p>\n\n\n\n

Meissa <\/strong>is advancing MV-012-968<\/strong>, a live-attenuated, needle-free intranasal vaccine candidate designed to protect infants from RSV. In Phase I clinical trials, this RSV vaccine was well-tolerated, significantly attenuated, and elicited a robust RSV-specific mucosal IgA response in participants (both adults and young children) who had prior RSV infections and circulating antibodies in their blood.<\/p>\n\n\n\n

Learn more about the evolving RSV treatment landscape at <\/em><\/strong>Respiratory Syncytial Virus Treatment Market: A Complex Space Worth Billions!<\/em><\/strong><\/a><\/p>\n\n\n\n

The launch of these emerging RSV vaccines is set to revolutionize the market in the coming years. However, there remains an unmet need for effective, safe, and affordable preventive and therapeutic options for RSV, including antiviral treatments and extended half-life monoclonal antibodies. Developing safe and effective RSV vaccines or monoclonal antibodies faces significant challenges, especially regarding rigorous safety standards for pediatric and maternal populations. New RSV vaccines could potentially reduce the global burden of this virus.<\/p>\n\n\n\n

\"Respiratory-Syncytial-Virus-Market-Outlook\"<\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"

Pfizer\u2019s ABRYSVO became the first and only RSV vaccine approved for use in adults under 50, offering the most extensive RSV vaccine coverage for adults. The label expansion announced on 22 October 2024 includes younger adults considered at higher risk for RSV-related lower respiratory tract disease (LRTD).   ABRYSVO (RSVpreF) is a sterile solution for intramuscular 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