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

An exploratory study to developing a diagnostic method using a photoacoustic imaging system. - An exploratory study of photoacoustic imaging.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000018893

Enrollment

Registered

2015-10-16

Start date

2015-10-16

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

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 condu

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Healthy volunteers who aged over 20 years and older at the time of informed consent 2. Healthy volunteers 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 with cardiac pacemakers 3. People who have any unverified materials (aneurysm clips, nerve stimulators, insulin pumps, intraocular metallic materials) for non-magnetic 4. People who have any following complications in assessment body parts: Cutaneous erosion, cutaneous ulceration. Open wounds, excoriations, acnes, surgical wounds. Infected wounds. Neurological diseases, vascular diseases. Any diseases with non-magnetic metal in the body. Infections. Neurological diseases and orthopedic disorders in which it is impossible to keep sitting or standing position. Disorders with deformities of extremities. 5. People who have any following history of disorders: Mental disorders. Dementia Cutaneous erosion, cutaneous ulceration. Neurological diseases, vascular diseases in assessment body parts: 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

Measure	Time frame
Incidence of adverse events by using a photoacoustic imaging system. (Final monitoring is conducted within 90 days after intervention)	—

Secondary

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

Countries

Japan

Contacts

Public ContactYoshiaki Matsumoto

Graduate School of Medicine Kyoto University Department of Breast Surgery

yoshiaki@kuhp.kyoto-u.ac.jp075-751-3660

Outcome results

None listed

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