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Clene's Biomarker Results Support Accelerated Approval for CNM-Au8

Clene Inc. (CLNN) | December 3, 2025

By Hannah Lewis

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Clene Inc. announces statistically significant ALS biomarker results supporting accelerated approval pathway for CNM-Au8.

FDA-recommended biomarker analyses show reductions in NfL and GFAP in CNM-Au8 treated participants.

Biomarker improvements associated with longer survival underline CNM-Au8's potential disease-modifying activity.

Statistically Significant Biomarker Reductions

FDA-recommended analyses demonstrate decreased NfL and GFAP levels in participants treated with CNM-Au8.

Association with Improved Survival

The biomarker improvements are linked to longer survival in ALS patients, strengthening the case for accelerated approval.

Type C Meeting Requested

Clene has requested a Type C meeting in Q1 2026 to present analyses supporting an NDA submission under the accelerated approval pathway.

  • The biomarker analyses present compelling evidence for CNM-Au8's efficacy in ALS treatment.
  • Statistically significant decreases in NfL and GFAP levels support the potential disease-modifying activity of CNM-Au8.

Clene's successful completion of FDA-recommended biomarker analyses sets the stage for an accelerated approval pathway for CNM-Au8, showcasing its potential to revolutionize ALS treatment.