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Clinical Trial Summary

Small vessel diseases are conditions characterized by the narrowing of small arteries leading to an imbalance of blood supply upon demand. This results in a progressive chronic hypoperfusion with detrimental outcomes for the affected organ system and for the patient. Recent advances in genetic evaluation have identified several genetic variants causing cerebrovascular small vessel diseases. These diseases have common clinical presentation including recurrent strokes, progressive white matter degeneration, and debilitating dementia. The link between these pathologies is defects in the tunica media of arteries, which is composed mainly of vascular smooth muscle cells (vSMCs). CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarct and leukoencephalopathy) is caused by mutations in NOTCH3. The disease is of slow onset, with initial clinical manifestations in the third and fourth decade of life, but progressive and fatal. Predominant clinical features include migraine with aura (atypical or isolated), strokes, memory loss, and multiple psychiatric symptoms including dementia. Currently, CADASIL is considered the most common hereditary subcortical vascular dementia. However, treatments are symptomatic therapyand there is little prospect of future therapies to directly address causation and block progression. We propose to characterize the etiology and natural history of CADASIL subjects through comprehensive clinical and molecular characterizations. Subjects will be seen at the National Institutes of Health (NIH) every three years for nine years for a total of four NIH Clinical Center visits.


Clinical Trial Description

Small vessel diseases are conditions characterized by the narrowing of small arteries leading to an imbalance of blood supply upon demand. This results in a progressive chronic hypoperfusion with detrimental outcomes for the affected organ system and for the patient. Recent advances in genetic evaluation have identified several genetic variants causing cerebrovascular small vessel diseases. These diseases have common clinical presentation including recurrent strokes, progressive white matter degeneration, and debilitating dementia. The link between these pathologies is defects in the tunica media of arteries, which is composed mainly of vascular smooth muscle cells (vSMCs). CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarct and leukoencephalopathy) is caused by mutations in NOTCH3. The disease is of slow onset, with initial clinical manifestations in the third and fourth decade of life, but progressive and fatal. Predominant clinical features include migraine with aura (atypical or isolated), strokes, memory loss, and multiple psychiatric symptoms including dementia. Currently, CADASIL is considered the most common hereditary subcortical vascular dementia. However, treatments are symptomatic therapyand there is little prospect of future therapies to directly address causation and block progression. We propose to characterize the etiology and natural history of CADASIL subjects through comprehensive clinical and molecular characterizations. Subjects will be seen at the National Institutes of Health (NIH) every three years for nine years for a total of four NIH Clinical Center visits. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05072483
Study type Observational
Source National Institutes of Health Clinical Center (CC)
Contact Elisa A Ferrante, Ph.D.
Phone (301) 402-3577
Email [email protected]
Status Not yet recruiting
Phase
Start date October 22, 2021
Completion date June 1, 2041

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