Eli Lilly and CompanyEli Lilly made a strategic investment in Circle Pharma's $92.5M Series E, gaining exposure to its cyclin D1 cancer program.

Circle Pharma, Inc. announced an oversubscribed $92.5 million Series E financing led by The Column Group, with participation from Nextech Invest, RA Capital Management, Euclidean Capital and a strategic investment from Eli Lilly and Company. Proceeds will advance CID-165, a first-in-class oral macrocyclic cyclin D1 RxL inhibitor, through early clinical development for ER-positive breast cancer, while also supporting the company's broader pipeline of cyclin-targeted macrocycles. CID-165 is expected to enter clinical development in the first quarter of 2027, and has demonstrated robust anti-tumor activity in cyclin D1-driven preclinical cancer models, including in combination with CDK4/6-dual inhibitors, CDK4-selective inhibitors and endocrine therapies. President and chief executive officer David J. Earp said the financing provides resources to generate meaningful clinical data, adding that CID-165 has the potential to become a new backbone therapy for ER-positive breast cancer. Chief scientific officer Marie Evangelista said CID-165 is designed to selectively disrupt the interaction between cyclin D1 and retinoblastoma protein, and that preclinical activity supports advancing the program into the clinic in the first quarter of 2027.
Eli Lilly and CompanyEli Lilly made a strategic investment in Circle Pharma's $92.5M Series E, gaining exposure to its cyclin D1 cancer program.
Circle Pharma raised an oversubscribed $92.5M Series E to advance its cyclin D1 cancer program CID-165 into clinical development.
The Column Group led Circle Pharma's oversubscribed $92.5M Series E financing.
Euclidean Capital participated in Circle Pharma's oversubscribed $92.5M Series E financing.
RA Capital Management participated in Circle Pharma's oversubscribed $92.5M Series E financing.