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ProQR Announces Positive Phase 1 Target Engagement Data for AX-0810, Establishing First Clinical Validation of the Axiomer RNA Editing Platform

$PRQRPress releaseJun 25, 2026, 6:25 AM ETRead the release

ProQR reported positive Phase 1 data for AX-0810, showing dose-dependent target engagement with up to an 8-fold increase in serum bile acids at the 6 mg/kg dose, significantly exceeding the 2-fold threshold. The drug demonstrated a favorable safety profile with no serious adverse events and a half-life of eight weeks, supporting the expected pharmacologic profile for sustained engagement.

Key figures

Drug Name
AX-0810
Phase Of Trial
Phase 1
Half life weeks
8
Total participants
33
Active participants
24
Placebo participants
9
Doses evaluated mg kg
[3,6]
Max bile acid increase
8-fold
Target engagement threshold
2-fold

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