CN-105 in Participants with Acute SupraTentorial IntraCerebral Hemorrhage (CATCH) Trial
2020
Background: Endogenous apoliloprotein E mediates neuroinflammatory responses and recovery after brain injury. Exogenously administered apolipoprotein E-mimetic peptides can effectively penetrate the brain and down-regulate acute inflammation. CN-105 is a novel apolipoprotein E-mimetic pentapeptide with excellent preclinical evidence as an acute intracerebral hemorrhage (ICH) therapeutic. The CN-105 in participants with Acute supraTentorial intraCerebral Hemorrhage (CATCH) trial is a first-in-disease-state, multi-center, open-label trial evaluating safety and feasability of CN-105 administration in patients with acute primary supratentorial ICH.
Methods: Eligible patients were age 30-80 years, had confirmed primary supratentorial ICH, and able to intiate CN-105 administration (1.0 mg/kg every 6 hours for 72 hours) within 12 hours of symptom onset. A priori defined safety endpoints, including hematoma volume, pharmacokinetics, and 30-day neurological outcomes were analyzed. For comparisons, CATCH participants were matched 1:1 with a contemporary ICH cohort through random selection. Hematoma volumes determined from computed tomography images on Days 0, 1, 2, and 5 and ordinal modified Rankin Score at 30 days after ICH were compared.
Results: In 39 participants enrolled across six study sites in the United States, adverse events occurred at expected rate without increase in hematoma expansion or neurological deterioration or significant serum accumulation. CN-105 treatment had an odds ratio (95% confidence interval) of 2.69 (1.31-5.51) for lower 30-day mRS, after adjustment for ICH Score, sex, and race/ethnicity, compared to matched contemporary cohort.
Conclusion: CN-105 administration represents an excellent translational candidate as an actue ICH therapeutic due to its safety, dosing feasibility, favorable pharmacokinetics, and evidence of improved neurological recovery.
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