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Comparison of two different types of laser treatment in diabetic eye disease

Comparison of 532 nm multi-spot versus standard single spot green laser for pan retinal photocoagulation in proliferative diabetic retinopathy â?? a randomized clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2021/06/034451
Enrollment
60
Registered
2021-06-29
Start date
Unknown
Completion date
Unknown
Last updated
2023-02-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: H350- Background retinopathy and retinalvascular changes

Interventions

Intervention1: Multi-spot laser: 532 nm multi-spot green laser for pan retinal photocoagulation in proliferative diabetic retinopathy which applies laser in sequential linear 7x4 pattern with 200 µm

Sponsors

Jawaharlal Institute of Postgraduate Medical Education and Research JIPMER
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: (i) Patients with bilateral treatment naive pro-liferative diabetic retinopathy (ii) Patients > 18 years of age

Exclusion criteria

Exclusion criteria: (i) Patients with diabetic macular edema (DME) (ii) Patients with Advanced Diabetic Eye Disease (ADED) (iii) Patients with media opacities impairing view of fundus like dense cataract, cor-neal opacity or dense/dispersed vitreous hemorrhage (iv) Patients with a history of previous laser treatments (v) Patients who have received intravitreal injections in the past (vi) Patients with best-corrected visual acui-ty of (vii) Patients with other ocular disorders like uveitis, glaucoma, retinitis pigmentosa, retinal degenerations and dystrophies, pathological myopia and optic disc dis-orders (viii) Patients with history of ocular surgery in the past 3 months

Design outcomes

Primary

MeasureTime frame
i.Functional outcomes like pain score, best corrected visual acuity and retinal sensitivity ii.Laser parameters like average fluence, average time per sitting, total number of spots, average number of sessions per patientTimepoint: i.Functional outcomes like pain scores at baseline, best corrected visual acuity and retinal sensitivity at 1 and 3 months post laser treatment ii.Laser parameters like average fluence, average time per sitting, total number of spots, average number of sessions per patient at baseline—

Secondary

MeasureTime frame
Structural outcomes like regression of PDR and change in macular thicknessTimepoint: 1 and 3 months post laser treatment—

Countries

India

Contacts

Public ContactGoutham R

Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER)

amitjipmer@gmail.com9843126534

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026