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Qiagen to Develop Companion Dx for New Parkinson's Drug

Qiagen and Neuron23 are working together to develop a companion diagnostic for Neuron23's LRRK2 inhibitor for Parkinson's disease.

Amanda Pedersen

September 22, 2022

3 Min Read
In this photograph, a woman with Parkinson's disease is using her left hand to steady her right arm while holding a glass of
Image courtesy of Daria Kulkova / Alamy Stock Photo

Qiagen is rapidly building a name for itself as the go-to partner for companion diagnostics. The Hilden, Germany-based company currently has master collaboration agreements with more than 25 pharma and biotech companies to develop and commercialize companion diagnostic tests for their drug candidates.

Most recently, Qiagen announced a collaboration to develop a companion diagnostic for South San Francisco, CA-based Neuron23's LRRK2 inhibitor for Parkinson's disease.

Qiagen said it will develop and validate a clinical trial assay that will detect a combination of biomarkers discovered by Neuron23 that together predict the responsiveness of Parkinson's disease patients to a LRRK2 inhibitor. The partnership will support the clinical development of Neuron23's drug candidate that is currently in the late stages of preclinical development. Subject to further clinical development, the agreement also covers options for the future development of additional companion diagnostics.

The assay for this collaboration will be integrated into a next-generation sequencing (NGS) workflow that leverages Qiagen's sample-to-insight capabilities. Parallel development of the diagnostic assay and the therapeutic will allow the companies to submit the application to FDA for premarket approval of the NGS companion diagnostic test in tandem with the new drug application for Neuron23's LRRK2 inhibitor.

"We are excited about this partnership as this is the first companion diagnostic to be developed for Parkinson's disease. This collaboration combines the leading expertise of Neuron23 in drug discovery, data science, and machine learning with Qiagen's long-standing experience and global leadership in companion diagnostic development," said Nancy Stagliano, PhD, CEO of Neuron23. "Qiagen's blood-based test will help to identify patients with Parkinson's disease who are likely to respond to Neuron23's LRRK2 inhibitor. The development of a companion diagnostic identifying this sub-population of Parkinson's disease patients will de-risk the clinical development of Neuron23's LRRK2 inhibitor and help identify individuals who may benefit from this disease-modifying therapy. We are excited to be working with an industry leader on the first companion diagnostic developed for Parkinson's disease."

LRRK2 is a complex, multidomain protein found in neurons and many other tissues and cell types throughout the body. Mutations in the LRRK2 gene are one of the most common causes of familial Parkinson's disease and individuals who inherit gain of function mutations in LRRK2 are clearly at higher risk to develop the disease in later life. Additionally, there is emerging evidence that LRRK2 activity may play a role in a subset of the larger population of patients with non-familial Parkinson's disease. Recent investigations have shown that small-molecule LRRK2 inhibitors can be neuroprotective, suggesting that therapies targeting LRRK2 could be beneficial in a larger population of patients.

No laboratory tests are currently available for the diagnosis of non-genetic cases for Parkinson's disease. Usually, the disease is diagnosed based on medical history and neurological examination. Although no cure currently exists for Parkinson's disease, therapies are used to alleviate some symptoms.

"The collaboration with Neuron23 shows the rapid momentum precision medicine is gaining in disease areas outside oncology," said Jonathan Arnold, VP and head of oncology and precision diagnostics at Qiagen. "Our expertise in blood- and NGS-based molecular testing from sample to insight will enable Neuron23 to run a clinical trial for a drug candidate that may have the potential to modify the course of an inexorable neurodegenerative disease in a genetically defined population."

Financial terms of the agreement were not disclosed.

About the Author(s)

Amanda Pedersen

Amanda Pedersen is a veteran journalist and award-winning columnist with a passion for helping medical device professionals connect the dots between the medtech news of the day and the bigger picture. She has been covering the medtech industry since 2006.

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