A Study for the Surgery Support of Lymphaticovenous Anastomosis Using Photoacoustic Imaging

A Clinical Study for the Surgery Planning and Post-Surgical Assessment of Lymphaticovenous Anastomosis Using Photoacoustic Imaging - SPPA-LVA-PAI

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs032180034

Enrollment

Registered

2018-10-31

Start date

2020-01-09

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

lymphedema of the extremities lymphedema

Interventions

photoacoustic imaging study and utilization of the images

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who were diagnosed with lymphedema of the lower limbs or upper limbs and were scheduled to undergo surgery after the doctor in charge judged lymphaticovascular anastomosis to be an indication.

Exclusion criteria

Exclusion criteria: Those who are (suspected to be) allergic to local anesthetics or iodine.

Design outcomes

Primary

Measure	Time frame
duration of surgery, number of anastomoses, discovery rate of lymphatic vessels	—

Secondary

Measure	Time frame
change in lymphatic vessels and veins before and after surgery	—

Contacts

Public ContactHiroki Kajita

Keio University School of Medicine

jmrbx767@keio.jp+81-3-3352-1524

Outcome results

None listed

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