Prokarium

Microbial immunotherapy platform built on a proprietary bacterial strain (ZH9) for solid tumour treatments

London, United KingdomFounded 2007prokarium.comWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About Prokarium

Prokarium develops microbial immunotherapies for solid tumours. Its foundational technology uses a proprietary bacterial strain, ZH9, as a chassis that targets tumours, overcomes the suppressive tumour microenvironment and can deliver diverse cargo.

The company's pipeline includes ZH9 in non-muscle invasive bladder cancer, a Phase 1 programme started in the US, and ZH9 in muscle invasive bladder cancer in combination with checkpoint inhibitors. It also lists IO Prime, an oral immune fitness agent, and the Living Cures Platform, a discovery cargo-delivery immunotherapy platform.

Prokarium was founded in 2007 and is headquartered in London, with its office at the London Bioscience Innovation Centre. The company describes itself as clinical-stage and reported interim Phase 1/1b PARADIGM-1 data for ZH9 in May 2026. Its leadership includes a CEO appointed in November 2025.

Product: ZH9 bacterial immunotherapy for solid tumours, with pipeline programmes IO Prime and the Living Cures Platform

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