Lilly signs $1.3 billion deal with Superluminal to discover obesity medicines using AI

Strategic Partnership Targets Obesity and Cardiometabolic Diseases

Eli Lilly has entered a $1.3 billion collaboration with Superluminal Medicines, aiming to accelerate the development of small-molecule therapeutics for cardiometabolic and obesity indications. The deal grants Lilly exclusive rights to develop and commercialize novel compounds originating from Superluminal’s AI and machine learning–powered drug discovery platform[1][2][4].

Deal Structure and Financial Details

- Superluminal will receive up to $1.3 billion through a combination of upfront and near-term payments, an equity investment, milestones linked to development and commercialization, and tiered royalties on future net sales[1][2][3][4]. - Lilly participated in Superluminal’s $120 million Series A financing last year, marking its continued faith in the startup’s potential[1][2]. - Superluminal is based at Lilly’s Gateway Labs in Boston and will spearhead new programs for challenging GPCR targets[2][3].

Focus on G Protein–Coupled Receptors (GPCRs)

The collaboration centers on G protein–coupled receptors, a large family of cell membrane receptors involved in various physiological processes and representing major drug discovery opportunities[4]. - Eli Lilly already leads the market with obesity drugs Mounjaro and Zepbound, which target GPCRs and earned $8.57 billion in Q2 2025[1][4]. - Superluminal specializes in leveraging AI for GPCR drug design, with five molecules in development for endocrine and cardiometabolic disorders; notably, its MC4R-targeting molecule seeks to address rare genetic obesity[3][4]. - The specific GPCR targets under this pact remain undisclosed, though a melanocortin 4 receptor agonist is expected to enter clinical trials next year[3][4].

Strengthening Lilly’s Position in the Booming Obesity Drug Market

- The global obesity drug market is projected to reach $150 billion annually within a decade, making strategic partnerships vital for competitive differentiation[4]. - The deal reflects Lilly’s strategy to diversify its pipeline beyond existing GLP-1 therapies and maintain market leadership against rivals like Novo Nordisk[4]. - By integrating Superluminal’s advanced platform with its commercialization expertise, Lilly aims to accelerate the timeline from drug discovery to market[4].

Industry Perspective

Cony D'Cruz, CEO of Superluminal Medicines, described the Lilly pact as a “defining moment” for the company, emphasizing the potential to address historically intractable GPCR targets and bring novel treatments to patients suffering from complex forms of obesity[2][3]. This deal demonstrates how major pharma companies are leveraging external innovation and cutting-edge AI technologies to strengthen and diversify research pipelines, addressing urgent patient needs in metabolic and endocrine disorders[4].

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