Novartis Deepens Cardiovascular Investment With $1.4 Billion Tourmaline Bio Acquisition
Date: September 9, 2025 | Source: BioSpace
Novartis AG, the Swiss pharmaceutical giant, has taken another significant stride in expanding its cardiovascular pipeline through the landmark acquisition of Tourmaline Bio for $1.4 billion. This move solidifies Novartis’s strategic ambition to become a dominant player in the global cardiovascular therapies market, reflecting the company’s intensified focus on innovation, growth, and patient-centric solutions within one of the world’s largest disease categories.
Details of the Acquisition
The acquisition, announced on September 9, 2025, will see Novartis gain ownership of Tourmaline Bio’s leading asset, pacibekitug, an experimental therapy targeted at atherosclerotic cardiovascular disease (ASCVD). The deal further includes milestones and contingent value rights, structuring incentives for Tourmaline’s shareholders and aligning both companies’ interests toward regulatory and commercial success.
Tourmaline Bio, a clinical-stage biotechnology company, has rapidly garnered attention for the potential of pacibekitug (an anti-ANGPTL3 monoclonal antibody) to address unmet needs in ASCVD—responsible for the majority of heart attacks and strokes worldwide. The asset’s inclusion in Novartis’s robust research and development engine is expected to accelerate its path toward regulatory submission and, ultimately, global commercialization.
Strategic Expansion in Cardiovascular Therapies
Novartis has signaled a renewed appetite for targeted, bolt-on acquisitions throughout 2025. With over $17.2 billion committed to M&A and licensing deals this year, the company’s business development activities have focused on fortifying its pipeline in key therapeutics, especially in cardiovascular health. Earlier this year, Novartis initiated collaborations with ProFound Therapeutics and Argo Biopharmaceutical, further bolstering their research portfolio with cutting-edge cardiovascular candidates.
These moves come amidst increasing competition in the cardiometabolic space. Industry rivals such as Pfizer and Merck have also ramped up M&A activity, targeting promising assets in obesity, heart failure, and rare lipid disorders—underscoring sector-wide pressure to secure innovation pipelines as existing patents near expiration and drug pricing scrutiny intensifies in major markets.
The Significance of Pacibekitug in ASCVD Treatment
Atherosclerotic cardiovascular disease remains a leading cause of death globally, with the World Health Organization estimating over 17.9 million deaths annually from cardiovascular causes. Pacibekitug, Tourmaline’s lead candidate, is a humanized monoclonal antibody targeting angiopoietin-like protein 3 (ANGPTL3), a key regulator of lipid metabolism and a validated therapeutic target for reducing cardiovascular risk.
Current clinical data demonstrate that pacibekitug can significantly reduce LDL cholesterol and triglyceride levels, even in patients inadequately managed by statins and other standard-of-care therapies. This potential positions pacibekitug as a first-in-class or best-in-class option for patients with high-risk ASCVD, familial hypercholesterolemia, and potentially other rare inherited lipid disorders.
Market Impact and Industry Outlook
The combination of Tourmaline Bio’s innovation and Novartis’s commercial reach could be transformative for both patients and the healthcare ecosystem. According to Evaluate Pharma, the global market for dyslipidemia and ASCVD therapeutics is projected to exceed $40 billion by 2030, fueled by rising prevalence, better diagnosis, and new treatment paradigms. Novartis’s deepening investments reflect not just scientific opportunity, but also the commercial imperative to maintain industry leadership as several existing blockbusters approach the end of patent exclusivity this decade.
Sector-wide, 2025 has seen a pronounced uptick in M&A activity. Pharmaceutical companies are leveraging strategic acquisitions to access de-risked, late-stage assets amid turbulent public markets and rising development costs. Novartis’s Tourmaline deal follows recent headline-making transactions such as Pfizer’s $4.9 billion acquisition of Metsera in obesity and Roche’s $3.5 billion buyout of 89bio for liver disease, marking a reversal from the caution of prior years.
Executive Perspectives and Future Plans
Vas Narasimhan, CEO of Novartis, commented, “With the acquisition of Tourmaline Bio and its innovative lead candidate, we are reinforcing our commitment to advancing science for high-need patient populations in cardiovascular disease. We believe our scientific and operational excellence will enable us to rapidly deliver this asset to the millions of patients worldwide remaining at high risk of heart attack and stroke.”
Tourmaline Bio’s leadership echoed this optimism, highlighting the synergies with Novartis’s commercial and clinical expertise and the shared vision of transforming cardiovascular care on a global scale.
Outlook: Novartis’s M&A Momentum and Sector Trends
As 2025 progresses, M&A is expected to remain a dominant theme across biopharma. Companies like Novartis are increasingly using targeted acquisitions to future-proof their portfolios amid heightened risk of patent cliffs, evolving regulatory landscapes, and technological shifts such as digital health integration and real-world evidence requirements.
For Novartis, the acquisition of Tourmaline Bio marks not only a bold bet on cardiovascular innovation but also an integral step in the company’s stated ambition to “transform the practice of medicine,” a mantra the firm has echoed in recent annual investor updates.
As the cardiovascular pipeline becomes ever more competitive, all eyes will be on the clinical development of pacibekitug and the broader strategic moves of Novartis as it seeks to define the future of heart health worldwide.

