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Updated: Jan 28, 2026

Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model
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Current and Future Treatment Options for Cerebral Cavernous Malformations.

Leslie Morrison1, Juan Gutierrez2, Cenk Ayata3,4

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Stroke (Hoboken, N.J.)
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Cerebral cavernous malformations (CCMs) are vascular brain lesions. Pharmacologic treatments targeting molecular signaling pathways show promise in reducing CCM lesion burden and warrant further clinical investigation.

Keywords:
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Area of Science:

  • Neuroscience
  • Vascular Biology
  • Pharmacology

Background:

  • Cerebral cavernous malformations (CCMs) are vascular lesions causing seizures, hemorrhage, and neurological deficits.
  • CCMs can be familial (multifocal) or sporadic (single lesion), with current treatments including surgery and radiation, which have risks, especially in eloquent brain areas.
  • Asymptomatic lesions are generally not treated, highlighting the need for alternative therapeutic strategies.

Purpose of the Study:

  • To review current treatments for CCMs.
  • To explore potential pharmacologic treatments targeting aberrant molecular signaling pathways in CCMs.
  • To discuss emerging therapies and ongoing clinical trials.

Main Methods:

  • A narrative review of literature identified through PubMed searches on CCM treatments.
  • Analysis of molecular signaling pathways implicated in CCM pathogenesis, particularly RhoA/Rho-associated kinase.
  • Review of preclinical and clinical trial data for pharmacologic agents.

Main Results:

  • Overactivation of RhoA/Rho-associated kinase in endothelial cells contributes to CCM development.
  • Inhibition of RhoA/Rho-associated kinase (e.g., with fasudil, statins, NRL-1049) reduced lesion burden in mouse models.
  • Clinical trials are evaluating atorvastatin, NRL-1049, propranolol, and REC-994 for CCM treatment efficacy and safety.

Conclusions:

  • Pharmacologic inhibition of RhoA/Rho-associated kinase is a promising therapeutic strategy for CCMs.
  • Agents like propranolol and REC-994 also show potential in preclinical and early clinical studies.
  • Further clinical evaluation is crucial for developing effective pharmacologic treatments for CCM patients.