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Clene and APST Enter Into an Agreement to Support FDA’s Recommendation for Long-Term NfL Biomarker Analyses of CNM-Au8®’s Impact on NfL Reduction

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Clene Inc.
Clene Inc.
  • Longitudinal ALS patient data from APST Research will enable a more robust analysis of the effect of CNM-Au8 on NfL biomarkers

  • APST Research data includes thousands of people living with ALS including clinical, survival, and longitudinal NfL data

  • Clene plans to analyze the APST ALS NfL biomarker and clinical dataset to compare NfL change from its ongoing NIH-sponsored EAP to address the FDA’s request for supportive evidence of CNM-Au8’s effect on NfL reduction observed in the HEALEY ALS Platform Trial

  • Clene plans to submit a New Drug Application (NDA) in second-half 2025

SALT LAKE CITY, Feb. 25, 2025 (GLOBE NEWSWIRE) -- Clene Inc. (Nasdaq: CLNN) (along with its subsidiaries, “Clene”) and its wholly owned subsidiary Clene Nanomedicine Inc., a late clinical-stage biopharmaceutical company focused on revolutionizing the treatment of neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS) and multiple sclerosis (MS), today announced that it has entered into an agreement with German-based APST Research GmbH (APST) to utilize its extensive NfL database to support the FDA-recommended analyses of CNM-Au8®’s effect on NfL decline in participants in ongoing Expanded Access Protocols (EAPs).

APST maintains one of the largest comprehensive ALS repositories of people living with ALS, including demographic data, clinical data, ALS motor phenotypes and biomarker data, specifically, serum neurofilament light chain (sNfL). The database in the repository comprises extensive sNfL data from over 4,300 ALS patients as well as self-reported ALSFRS-R. The APST platform offers digitized data on thousands of individuals living with ALS to comprehensively view the disease's progression by gathering information on ALS phenotypes, biomarker data, and patient-reported outcomes. This effort utilized cutting-edge data collection and analytics to provide a comprehensive long-term natural history of NfL change. Comparisons to the APST NfL dataset will be a crucial element of the FDA-recommended statistical analysis plan for NfL evaluations of NIH-sponsored EAP participants.

The NfL dataset being analyzed by Clene includes data from more than 1625 ALS patients, aligning the biomarker data of NfL to clinical ALSFRS-R assessments, slow vital capacity (SVC), and clinical events such as ventilation support and nutrition intervention. The objective of the planned analyses is to compare NfL change observed in the NIH-sponsored EAP participants to matched controls using the APST dataset, and to demonstrate that the rate of NfL change is associated with survival in people living with ALS.