Silexion Therapeutics has announced a strategic collaboration with global therapeutics manufacturer Catalent to advance its innovative RNA interference (RNAi) cancer treatment, SIL204, positioning the company at the forefront of precision oncology research.
The partnership will utilize Catalent's advanced facility in Limoges, France, to optimize formulation strategies for SIL204, a therapy designed to target multiple KRAS mutations prevalent in pancreatic cancer. By leveraging Catalent's expertise in complex biologics formulation, Silexion aims to accelerate its path toward human clinical trials, anticipated to commence in the first half of 2026.
What sets Silexion's approach apart is its comprehensive strategy targeting KRAS mutations, which are present in over 90% of pancreatic cancers. Unlike existing treatments that focus on specific mutations affecting only 1-2% of cases, SIL204 demonstrates the potential to silence multiple KRAS mutations at the genetic level.
Preclinical studies have yielded remarkable results, with SIL204 showing significant tumor reduction across various pancreatic cancer models. In AsPC-1 and BxPC-3 models, researchers observed tumor burden reductions of 70% and 80%, respectively. Critically, the therapy has also demonstrated an unprecedented ability to reduce metastatic spread to secondary organs—a potential game-changing advancement in cancer treatment.
The precision medicine market, projected to grow from $102 billion in 2024 to $470 billion by 2034, presents a substantial opportunity for innovative therapies like SIL204. With KRAS-driven cancers representing a significant unmet medical need, the potential market for KRAS inhibitors is expected to reach $10 billion by 2032.
Silexion's dual-route strategy, involving both systemic and intratumoral delivery, represents a novel approach in targeting primary tumors and metastases. The therapy's ability to maintain therapeutic levels for over 56 days from a single administration marks a significant breakthrough in RNAi therapeutics.
The collaboration with Catalent comes at a time of increasing consolidation in precision oncology, with major pharmaceutical companies actively seeking innovative therapeutic assets. Wall Street analysts have expressed significant confidence in Silexion's potential, maintaining a price target that suggests over 500% potential upside.
As pancreatic cancer remains one of the most challenging malignancies, with a five-year survival rate below 13%, Silexion's innovative approach could represent a transformative advancement in treatment paradigms. The ongoing development of SIL204 offers hope for patients and represents a critical step forward in addressing one of oncology's most significant challenges.


