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Last Updated: 06/06/2026

Creasallis

Cambridge
Founded 2021
Antibody engineering platform improving solid tumour drug penetration

Creasallis is a Cambridge-based biotechnology company developing engineering solutions to improve the efficacy of antibody-based cancer therapies.

Its patented technology modifies antibodies to enhance their penetration into solid tumours, and is designed as a plug-and-play modification compatible with any antibody isotype, including checkpoint inhibitors and antibody-drug conjugates.

Creasallis is building its own portfolio of solid tumour antibody therapeutics alongside offering the platform to external drug developers.