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JMC|With generative AI assistance, Insilico Medicine announces novel CDK12/13 dual inhibitors for tumor treatment

2025-02-26
(Press-News.org)

Insilico Medicine ("Insilico"), a clinical stage generative artificial intelligence (AI)-driven biotechnology company, today announced the publication of a novel series of orally available covalent CDK12/13 dual inhibitors, as a potential option against refractory and treatment-resistant cancers. Published in the Journal of Medicinal Chemistry (IF=7.2), the study showcases the discovery of compound 12b, a potent, selective, and safe therapy targeting CDK12/13, empowered by Insilico’s proprietary generative AI platforms including PandaOmics and Chemistry42.

As members of the cyclin-dependent kinases (CDK) family, CDK12 and CDK13 preferentially modulate DNA damage response (DDR) genes to maintain genomic stability, playing a significant role in tumorigenesis and the development of resistance to antitumor therapies. Despite the therapeutic promise, attempts to inhibit CDK12/13 have faced challenges such as toxicity and inefficacy stemming from issues with prior covalent and non-covalent inhibitors.

To start with, Insilico Medicine leveraged PandaOmics, its proprietary AI-powered target discovery and prioritization engine, to rank potential targets through multiomics and literature-based analyses, and CDK12 topped the list across datasets. Following that, the indication prioritization tools embedded in PandaOmics were utilized to reveal top priority indications for the selected targets, directing the research focus to cancer types including gastric cancer, ovarian cancer, prostate cancer, non-small cell lung cancer, liver cancer, triple-negative breast cancer (TNBC), and colorectal cancer.

Based on previous CDK12/13 inhibitors, Insilico research team used AI-guided structure-activity relationship (SAR) analyses and computational chemistry methods to produce a novel compound series with decreased unwanted off-target reactivity, improved oral bioavailability, and favorable inhibitory activity.

During the preclinical in vitro and in vivo testing, compound 12b demonstrated nanomolar potencies across cancer cell lines, desirable ADME properties. Furthermore, 12b exhibited significant efficacy in breast cancer and acute myeloid leukemia (AML) models, all without inducing intolerable side effects, paving the way for further therapeutic development.

"At Insilico Medicine, we hope to revolutionize the drug discovery process with cutting-edge artificial intelligence technologies, and the discovery of CDK12/13 dual inhibitors with potential to address treatment-resistant tumors is another step towards the promise," says Dr. Hongfu Lu, co-lead author of the study and Senior Director of Chemistry at Insilico Medicine. "The research and development process showcases how AI-guided drug design can achieve both precision and safety in cancer therapeutics, and we are striving to advance the compound in this program into clinical trials in the near future."

 

Reference

[1] Lu, H., Sun, D., Wang, Z., Cui, H., Min, L., Zhang, H., Zhang, Y., Wu, J., Cai, X., Ding, X., Zhang, M., Aliper, A., Ren, F., & Zhavoronkov, A. (2025). Design, synthesis, and biological evaluation of novel orally available covalent CDK12/13 dual inhibitors for the treatment of tumors. Journal of Medicinal Chemistry. https://doi.org/10.1021/acs.jmedchem.4c01616

 

About Insilico Medicine 

Insilico Medicine, a global clinical stage biotechnology company powered by generative AI, is connecting biology, chemistry, medicine and science research using next-generation AI systems. The company has developed AI platforms that utilize deep generative models, reinforcement learning, transformers, and other modern machine learning techniques for novel target discovery and the generation of novel molecular structures with desired properties. Insilico Medicine is developing breakthrough solutions to discover and develop innovative drugs for cancer, fibrosis, central nervous system diseases, infectious diseases, autoimmune diseases, and aging-related diseases.

www.insilico.com  

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[Press-News.org] JMC|With generative AI assistance, Insilico Medicine announces novel CDK12/13 dual inhibitors for tumor treatment