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NCT06128824: HIFI-CAA

High Frequency Imaging in Cerebral Amyloid Angiopathy

Active, enrolled Last updated 12 September 2025
What this trial tests

trial testing MR Imaging in Cerebral Amyloid Angiopathy in 75 participants. Participants enrolled and being followed up; not accepting new ones.

Timeline
19 March 2019
Primary endpoint
31 May 2026
31 May 2026

Quick facts

Lead sponsorMartin Dichgans
StatusActive, enrolled
Study typeOBSERVATIONAL
Enrollment75
Start date19 March 2019
Primary completion31 May 2026
Estimated completion31 May 2026
Sites3 locations across Germany

Drugs / interventions tested

Conditions studied

Sponsor

Martin Dichgans

Who can join

50 and older, any sex, with Cerebral Amyloid Angiopathy. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

Cerebral amyloid angiopathy (CAA), caused by amyloid beta depositions in the walls of small cerebral vessels, is remarkably common in the elderly. Its major clinical consequences include intracerebral hemorrhages (ICH) typically in lobar location, functional dependence (disability) and cognitive impairment. Cortical superficial siderosis (cSS) is a common finding in CAA patients and can even be the only magnetic resonance imaging sign of CAA. cSS is of high prognostic relevance regarding future intracerebral haemorrhage and disability. Previous studies suggest that cSS is caused by recurrent focal subarachnoid hemorrhages (fSAH). However, the exact mechanisms and the temporal dynamics of this highly relevant imaging finding are largely unknown. In addition to hemorrhagic manifestations, such as cSS, CAA patients also show ischemic lesions. Of particular interest are acute ischemic lesions as detected by diffusion imaging, which seem to be highly prevalent. Since haemorrhagic and ischemic lesions require fundamentally different therapeutic strategies, understanding the relevance and interplay of both lesion types is highly important for clinical decision making. The HIFI-CAA cohort study aims to provide novel insights into cSS, acute ischemic lesions and other relevant brain alterations in CAA through high-frequency (monthly) serial magnetic resonance imaging.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

  1. Cerebral amyloid angiopathy: a narrative review.
    Noto NM, Speth RC, Robison LS. · · 2025 · cited 4× · PMID 41035821 · DOI 10.3389/fnagi.2025.1632252

Verify or expand the search:

Other trials of MR Imaging

Trials testing the same drug.

Other recruiting trials for Cerebral Amyloid Angiopathy

Currently open trials in the same condition.

Other Martin Dichgans trials

Trials by the same sponsor.

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Data sources for this page

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