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Investigation of cerebral blood flow changes in patients with orthostatic hypotension

CLOVER - Cerebral Low Oxygen and Vascular Evaluation in Relapse (indicating orthostatic events or syncope) - Investigation of cerebral blood flow changes in patients with orthostatic hypotension

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000056074
Enrollment
50
Registered
2024-11-10
Start date
2024-11-10
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients with neurological disorders that may cause autonomic neuropathy Examples: Parkinson&#39

Interventions

Cerebral blood flow is measured by near-infrared spectroscopy using HOT-2000 manufactured by NeU.

Sponsors

Hamamatsu University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients with neurological diseases that may cause autonomic neuropathy Examples: Parkinson's disease, dementia with Lewy bodies, pure autonomic failure, multiple system atrophy, corticobasal degeneration, progressive supranuclear palsy, spinocerebellar degeneration, familial amyloid polyneuropathy, autoimmune autonomic ganglionopathy, diabetic neuropathy, Sjogren's syndrome, paraneoplastic neurologic syndromes, autoimmune central nervous system inflammatory disease, vasculitis syndrome

Exclusion criteria

Exclusion criteria: Pregnant or at risk of pregnancy. Patients with stroke or with a history of stroke. Patients with neuroendocrine tumor. Patients who are not able to cross their legs, push, hold a standing position, and walk. Patients who are judged by the investigator to be inappropriate to participate in this study.

Design outcomes

Primary

MeasureTime frame
concentration of oxygenated hemoglobin

Secondary

MeasureTime frame
Serum BDNF, serum GFAP, serum UCH-L1, serum NfL, MMSE, FAB

Countries

Japan

Contacts

Public ContactAkiyuki Takenouchi

Hamamatsu University School of Medicine department of neurology

takenouchi@hama-med.ac.jp053-435-2111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026