An Exploratory Clinical Study Toward the Development of a Non-Pharmacological Treatment Using Inaudible High-Frequency Sound for Behavioral and Psychological Symptoms of Dementia (BPSD)

An Exploratory Clinical Study Toward the Development of a Non-Pharmacological Treatment Using Inaudible High-Frequency Sound for Behavioral and Psychological Symptoms of Dementia (BPSD) - BPSD-HFS Study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000058435

Enrollment

Registered

2025-07-11

Start date

2024-12-01

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

Dementia

Interventions

Acoustic information containing inaudible high-frequency components Acoustic information with inaudible high-frequency components removed from the same sound source

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Meets the diagnostic criteria for dementia according to the DSM-5 (regardless of etiological subtype) 2. Male or female individuals aged 55 years or older and under 100 years 3. Has a caregiver who can report on the patient's daily life 4. Has a score of 6 or higher on the BPSD assessment scale NPI-Q (a questionnaire administered to the caregiver)

Exclusion criteria

Exclusion criteria: 1. Has a diagnosis of bipolar disorder, schizophrenia, or developmental disorder 2. Does not have a legal guardian or representative who can provide consent for participation in the study 3. Deemed inappropriate for participation by the attending physician or principal investigator

Design outcomes

Primary

Measure	Time frame
NPI-NH	—

Countries

Japan

Contacts

Public ContactManabu Honda

National Center of Neurology and Psychiatry Department of Information Medicine, National Institute of Neuroscience

honda@ncnp.go.jp0423461718

Outcome results

None listed

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