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The usefulness of the UNITY VCS Tetra-Spot Laser Probe in panretinal photocoagulation (PRP)

The usefulness of the UNITY VCS Tetra-Spot Laser Probe in panretinal photocoagulation (PRP) - The usefulness of the UNITY VCS Tetra Spot Laser Probe

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000059646
Enrollment
32
Registered
2025-11-05
Start date
2025-11-05
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 proliferative diabetic retinopathy requiring panretinal photocoagulation (PRP) treatment

Interventions

None listed

Sponsors

Kyorin University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients scheduled to undergo vitreous surgery for proliferative diabetic retinopathy during the study period, who have not received PRP or require additional PRP. 2. Patients expected to receive 2,000 to 4,000 laser shots during PRP. 3. Patients scheduled to undergo PRP from the vascular arcade to the peripheral retina (near the ora serrata). 4. Patients aged 20 years or older at the time of consent. 5. Patients who have provided written informed consent of their own free will to participate in this study.

Exclusion criteria

Exclusion criteria: 1. Patients with retinal diseases other than diabetic retinopathy, such as retinal vein occlusion or uveitis 2. Patients with neovascular glaucoma 3. Patients using steroids or other anti-inflammatory drugs 4. Patients whose random blood glucose level is 350 mg/dL or higher, or whose HbA1c is greater than 10.0. 5. Patients with systemic complications that make imaging difficult 6. Patients deemed inappropriate for inclusion by the investigator 7. Patients who have expressed unwillingness to participate in this study, or whose legally authorized representatives have expressed such unwillingness

Design outcomes

Primary

MeasureTime frame
Duration of total laser application per laser spot applied (sec/1 spot)(During surgery)

Countries

Japan

Contacts

Public ContactMakoto Inoue

Kyorin University Hospital (Kyorin Eye Center) Department of Ophthalmology

inoue-eye@ks.kyorin-u.ac.jp0422-47-5511

Outcome results

None listed

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