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An exploratory study to developing a diagnostic method for vascular disease using a photoacoustic imaging system.

An exploratory study to developing a diagnostic method for vascular disease using a photoacoustic imaging system. - An exploratory study to developing a diagnostic method for vascular disease using a photoacoustic imaging system.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000029786
Enrollment
100
Registered
2017-12-01
Start date
2017-11-13
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 peripheral circulatory disturbance Healthy volunteers

Interventions

Photoacoustic Imaging (Duration of the device use is for one day, but in the judgment of principle investigator or subinvestigator, additional multi-day examination and multiple examination are cond

Sponsors

Keio University School of medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Healthy volunteers or patients with peripheral circulatory disorders who aged over 20 years and older at the time of informed consent 2. The subjects who have agreed to participate in this study from their own free will with document consents

Exclusion criteria

Exclusion criteria: 1. People who are pregnancy, suspicion of pregnancy. 2. People who have skin disorder that is not suitable for this trial judging by specialist. 3. People with cardiac pacemakers, defibrillator, and /or tattoo. 4. People with immunodeficiency such as leukopenia. 5. People who have complications that make them impossible to try photoacoustic imaging system. 6. People who are judged ineligible to enroll into this clinical study due to limitations in taking examination position by the investigator or the sub-investigators.

Design outcomes

Primary

MeasureTime frame
Visualization capabilities of blood vessels in the extremities by using a photoacoustic imaging system.

Secondary

MeasureTime frame
Comparison between photo acoustic images and images of other modality

Countries

Japan

Contacts

Public ContactHideaki Obara

Keio University Department of Surgery

obara@z3.keio.jp03-5363-3802

Outcome results

None listed

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