NEOsphere Biotechnologies closes financing round


NEOsphere Biotechnologies GmbH has completed a series A financing round to expand its proteomics platform, which screens extensive small-molecule libraries for degraders of pathogenic proteins previously considered undruggable.

The funding amount was not disclosed, however, the company told us there were four investors, with the main amount coming from Munich-based Ventura BioMed Investors GmbH. NEOSphere said the investors have committed to fund the company to breakeven.

Targeted protein degradation (TPD) aims to eliminate rather than inhibit disease-causing proteins. Unlike traditional small-molecule drugs that only inhibit targets, degradation-inducing molecules deplete their targets and do not require active binding sites to exert their effect.

That means entities like molecular glues, heterobifunctional degraders known as proteolysis targeting chimeras (PROTACs), monovalent degraders, and deubiquitinase inhibitors can potentially target the large part of the human proteome that lacks active binding sites and is thus inaccessible to small-molecule inhibitors. 

The novel therapeutic mechanism makes protein degraders promising therapeutic agents for indications of high medical need unmet by conventional medicines.

Although protein degraders could become blockbuster drugs in many therapeutic areas including cancer and neurology, their discovery has been largely by chance. 

As a result, the target reach and selectivity of many TPD compounds is largely unknown. NEOsphere Biotechnologies said it fills that gap. 

Fast screening

The German company said it offers its strategic partners in-depth screening of compound libraries of any size against the full human proteome to initiate and advance drug discovery of degrader molecules.

NEOsphere Biotechnologies combines data-independent acquisition mass spectrometry (DIA-MS) with custom data interpretation to deliver proteomic analysis with “sensitivity, precision, and data completeness.” 

The company said its platform is fast and scalable to align with drug development cycles. It screens thousands of degrader compounds against more than 10,000 proteins. Once identified, candidates are validated as novel degrader targets using high-throughput interactomics or ubiquitination analysis to a depth of 50,000 sites.

Enabling partners

Henrik Daub, scientific founder and chief scientific officer of NEOsphere Biotechnologies, said: “To exploit the full potential of TPD, proteome-wide analysis should ideally accompany any degrader molecule, from initial characterization at the screening stage to final drug candidate nomination.

“Our platform allows for deep proteomic screening compatible with both early target discovery and advanced compound optimization, granting unprecedented access to the previously undruggable target space.

“Working with our partners, we aim to connect their innovative degrader chemistries with the whole proteome. Thus, we create novel drug discovery opportunities at scale and enable our partners to build broad and robust pipelines of first-in-class therapeutics.” 

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