Nura Bio Raises $73.8M Series B to Advance Neuroprotective Therapies
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Nura Bio Raises $73.8 million Series B to Advance Neuroprotective Therapies

The financing will fund clinical proof-of-biology studies of its SARM1 inhibitors for ALS.

6/22/2026
Ali Abounasr El Alaoui
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Nura Bio, a clinical-stage biopharmaceutical company, has successfully closed a $73.8 million Series B financing round to advance its neuroprotective therapies. The funding, led by The Column Group, is designated to advance the company's pipeline of small molecule treatments. This financial milestone coincides with significant progress in its two clinical programs targeting the SARM1 protein for neurological diseases.


Advancements in ALS Clinical Trials

The company has initiated dosing in a Phase 1b/2a study for its lead candidate, NB-4746, in patients with amyotrophic lateral sclerosis (ALS). This oral, brain-penetrant SARM1 inhibitor is designed to prevent axon degeneration, a key pathological feature of the disease. Results from a prior Phase 1 study in healthy volunteers showed a favorable safety profile and confirmed the drug reached target exposure levels.

A Novel Therapeutic Target

SARM1 has been identified as a central driver of axon degeneration, making it a promising target for neuroprotective therapies. According to Professor Jeremy Shefner of Barrow Neurological Institute, targeting this protein represents an important step toward new treatments for devastating conditions like ALS. Nura Bio's work is at the forefront of developing therapies that could offer significant therapeutic benefits for these patients.

A Dual-Pronged Clinical Strategy

In addition to NB-4746, Nura Bio is advancing a next-generation candidate, NB-9402, which has also entered a first-in-human study. This compound is a covalent allosteric SARM1 inhibitor, offering a mechanistically differentiated approach from its predecessor. The development of this dual portfolio allows the company to comprehensively explore the therapeutic potential of SARM1 inhibition across various neurological conditions.

Strong Financial Backing for Innovation

The successful $73.8 million financing underscores strong investor confidence in Nura Bio's scientific approach and clinical strategy. The round was led by The Column Group and saw participation from Euclidean Capital, Samsara BioCapital, and Sanofi Ventures. These funds will be crucial for advancing the clinical proof-of-biology studies for its SARM1 inhibitors and supporting pipeline development.

The Vision for Neuroprotection

Shilpa Sambashivan, CEO of Nura Bio, highlighted the company's commitment to developing transformative therapies for life-threatening neurological diseases. She stated that the progress with both NB-4746 and NB-9402 positions the company to fully validate the broad potential of targeting SARM1. This strategic advancement reinforces Nura Bio's mission to pursue groundbreaking science for patients in need.

The Scientific Foundation

Axon degeneration is an early hallmark of numerous diseases affecting the central, peripheral, and ocular nervous systems. The SARM1 protein acts as a metabolic sensor that, when activated, drives this degenerative process. By inhibiting SARM1, Nura Bio's therapies aim to halt degeneration early, thereby preserving significant neurological structure and function.


With a substantial new round of funding and two distinct clinical-stage assets, Nura Bio is strongly positioned to make significant strides in neuroprotection. The company's focused efforts on SARM1 inhibition could pave the way for novel treatments for ALS and other debilitating neurological disorders. This progress represents a beacon of hope for patients and a notable advancement in the biopharmaceutical landscape.