Evaluation of the utility of the photoacoustic imaging for superficial tissue and lesion: comparison with the ultrasonography

Evaluation of the utility of the photoacoustic imaging for superficial tissue and lesion: comparison with the ultrasonography - Evaluation of the utility of the photoacoustic imaging for superficial tissue and lesion

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000031310

Enrollment

120

Registered

2018-02-15

Start date

2018-02-15

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

superficial lesion

Interventions

Conventional ultrasonography Photoacoustic imaging device

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Healthy volunteers or patients with superficial lesion, aged 20 years or older at the time of consent acquisition. 2) Subjects who have agreed to participate in this study from their own free will with document consents.

Exclusion criteria

Exclusion criteria: 1. Pregnancy or possible pregnancy 2. The status of immunodeficiency due to neutropenia and so on. 3. Complications that make imaging difficult (e.g. inability to maintain the posture). 4. In cases where the research director or the attending physician judges that conducting this research is inappropriate (e.g. hemorrhage or effusion from superficial lesion).

Design outcomes

Primary

Measure	Time frame
The subjective and objective evaluation of the photoacoustic imaging	—

Secondary

Measure	Time frame
1) The association between the photoacoustic images and other images except for conventional ultrasonography 2) The association between the the characteristics of the examinees and the photoacoustic images	—

Countries

Japan

Contacts

Public ContactKeiichi Narita

Keio University School of Medicine Department of Radiology

narit@rad.med.keio.ac.jp03-3353-1977(+81-3-3353-1977)

Outcome results

None listed

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