Curevo's $110 Million Bet on Shingles Vaccine: A Game Changer in Immunization
March 18, 2025, 9:30 am

Location: United States, Washington, Seattle
Employees: 11-50
Founded date: 2017
Total raised: $170M
In the bustling world of biotechnology, Curevo Vaccine has made headlines with its recent $110 million Series B funding round. This infusion of capital is not just a financial boost; it’s a lifeline for a company on the brink of a significant breakthrough in shingles vaccination. The stakes are high, and the potential rewards are even higher.
Curevo, based in Seattle, is not your average biotech firm. It’s a clinical-stage company focused on developing vaccines that promise improved tolerability and accessibility. Their lead product, amezosvatein, is a non-mRNA adjuvanted subunit vaccine designed to combat shingles, a painful condition that can leave lasting nerve pain in its wake. With a market for shingles vaccines exceeding $4 billion, the demand for effective and well-tolerated options is palpable.
The funding round was spearheaded by Medicxi, a European investment firm with a keen eye for promising biotech ventures. Joining Medicxi in this endeavor are heavyweights like OrbiMed, HBM Healthcare Investments, and Sanofi Ventures, alongside existing investors such as RA Capital Management and Janus Henderson Investors. This diverse group of investors brings not just capital but also a wealth of experience and strategic insight.
Curevo’s CEO, George Simeon, has articulated a clear vision for the future. The funds will be used to expand the Phase 2 clinical trial to include an additional 640 participants, particularly targeting adults over 70, a demographic particularly vulnerable to shingles. This extension is crucial for finalizing dose selection before moving into Phase 3 trials. It’s a strategic move designed to align with regulatory expectations and stakeholder feedback.
But what makes amezosvatein stand out? It’s all about the science. The vaccine utilizes a subunit protein antigen called glycoprotein E (gE), which has a proven track record in eliciting a robust immune response. The adjuvant used in amezosvatein is an optimized version of a TLR4 agonist, a mechanism that has shown promise in enhancing vaccine efficacy. This combination aims to deliver not just effectiveness but also a tolerability profile that could make it the preferred choice for patients.
The addition of Moncef Slaoui to Curevo’s Board of Directors is a significant coup. Slaoui, a veteran in vaccine development, played a pivotal role in the rapid development of COVID-19 vaccines during his tenure with Operation Warp Speed. His experience with major vaccine initiatives will be invaluable as Curevo navigates the complex landscape of vaccine development and regulatory approval.
Joining Slaoui are Giovanni Mariggi from Medicxi and Tal Zaks from OrbiMed, both of whom bring extensive experience in infectious disease and drug development. Their insights will help steer Curevo through the intricacies of clinical trials and market entry strategies.
The urgency for a new shingles vaccine cannot be overstated. Current options, while effective, face challenges related to tolerability and accessibility. Many potential patients hesitate to get vaccinated due to concerns about side effects. Curevo aims to change that narrative. By focusing on a vaccine that promises better tolerability, they hope to increase vaccination rates and ultimately reduce the burden of shingles.
Shingles is not just a nuisance; it’s a serious medical condition. The painful rash and the risk of long-term nerve pain can significantly impact quality of life. With 10-18% of shingles patients experiencing chronic pain, the need for effective prevention is clear. Amezosvatein could fill a critical gap in the market, offering a solution that patients and healthcare providers can trust.
Curevo’s mission aligns with a broader trend in healthcare: the push for more patient-centered solutions. As the healthcare landscape evolves, the focus is shifting toward treatments that not only work but also enhance the patient experience. This is where Curevo’s approach shines. By prioritizing tolerability, they are addressing a key concern that has long plagued vaccine uptake.
The road ahead is not without challenges. Vaccine development is fraught with uncertainties, and the path to approval can be long and winding. However, with a strong financial backing and a seasoned leadership team, Curevo is well-positioned to navigate these hurdles. The upcoming Phase 2 extension trial will be a critical test of amezosvatein’s potential.
In conclusion, Curevo’s $110 million funding round is more than just a financial milestone; it’s a beacon of hope for those at risk of shingles. With a focus on improved tolerability and a robust scientific foundation, amezosvatein could redefine the landscape of shingles vaccination. As the company moves forward, the eyes of the healthcare community will be watching closely. The promise of a better shingles vaccine is on the horizon, and Curevo is leading the charge.
Curevo, based in Seattle, is not your average biotech firm. It’s a clinical-stage company focused on developing vaccines that promise improved tolerability and accessibility. Their lead product, amezosvatein, is a non-mRNA adjuvanted subunit vaccine designed to combat shingles, a painful condition that can leave lasting nerve pain in its wake. With a market for shingles vaccines exceeding $4 billion, the demand for effective and well-tolerated options is palpable.
The funding round was spearheaded by Medicxi, a European investment firm with a keen eye for promising biotech ventures. Joining Medicxi in this endeavor are heavyweights like OrbiMed, HBM Healthcare Investments, and Sanofi Ventures, alongside existing investors such as RA Capital Management and Janus Henderson Investors. This diverse group of investors brings not just capital but also a wealth of experience and strategic insight.
Curevo’s CEO, George Simeon, has articulated a clear vision for the future. The funds will be used to expand the Phase 2 clinical trial to include an additional 640 participants, particularly targeting adults over 70, a demographic particularly vulnerable to shingles. This extension is crucial for finalizing dose selection before moving into Phase 3 trials. It’s a strategic move designed to align with regulatory expectations and stakeholder feedback.
But what makes amezosvatein stand out? It’s all about the science. The vaccine utilizes a subunit protein antigen called glycoprotein E (gE), which has a proven track record in eliciting a robust immune response. The adjuvant used in amezosvatein is an optimized version of a TLR4 agonist, a mechanism that has shown promise in enhancing vaccine efficacy. This combination aims to deliver not just effectiveness but also a tolerability profile that could make it the preferred choice for patients.
The addition of Moncef Slaoui to Curevo’s Board of Directors is a significant coup. Slaoui, a veteran in vaccine development, played a pivotal role in the rapid development of COVID-19 vaccines during his tenure with Operation Warp Speed. His experience with major vaccine initiatives will be invaluable as Curevo navigates the complex landscape of vaccine development and regulatory approval.
Joining Slaoui are Giovanni Mariggi from Medicxi and Tal Zaks from OrbiMed, both of whom bring extensive experience in infectious disease and drug development. Their insights will help steer Curevo through the intricacies of clinical trials and market entry strategies.
The urgency for a new shingles vaccine cannot be overstated. Current options, while effective, face challenges related to tolerability and accessibility. Many potential patients hesitate to get vaccinated due to concerns about side effects. Curevo aims to change that narrative. By focusing on a vaccine that promises better tolerability, they hope to increase vaccination rates and ultimately reduce the burden of shingles.
Shingles is not just a nuisance; it’s a serious medical condition. The painful rash and the risk of long-term nerve pain can significantly impact quality of life. With 10-18% of shingles patients experiencing chronic pain, the need for effective prevention is clear. Amezosvatein could fill a critical gap in the market, offering a solution that patients and healthcare providers can trust.
Curevo’s mission aligns with a broader trend in healthcare: the push for more patient-centered solutions. As the healthcare landscape evolves, the focus is shifting toward treatments that not only work but also enhance the patient experience. This is where Curevo’s approach shines. By prioritizing tolerability, they are addressing a key concern that has long plagued vaccine uptake.
The road ahead is not without challenges. Vaccine development is fraught with uncertainties, and the path to approval can be long and winding. However, with a strong financial backing and a seasoned leadership team, Curevo is well-positioned to navigate these hurdles. The upcoming Phase 2 extension trial will be a critical test of amezosvatein’s potential.
In conclusion, Curevo’s $110 million funding round is more than just a financial milestone; it’s a beacon of hope for those at risk of shingles. With a focus on improved tolerability and a robust scientific foundation, amezosvatein could redefine the landscape of shingles vaccination. As the company moves forward, the eyes of the healthcare community will be watching closely. The promise of a better shingles vaccine is on the horizon, and Curevo is leading the charge.