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Comparing Effectiveness, Safety of 2 types of Laser Treatments for Diabetic Macular Edema Not Involving the Central Area

Comparison of the efficacy and safety of subthreshold micropulse laser Vs Conventional modified grid laser therapy for Non-centre involving Diabetic macular edema - NIL

Status
Active, not recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2024/07/070700
Enrollment
34
Registered
2024-07-16
Start date
Unknown
Completion date
Unknown
Last updated
2024-07-22

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

Conditions

Health Condition 1: H358- Other specified retinal disorders

Interventions

Intervention1: 577 nm subthreshold micropulse laser (SMPL): Iridex 577 nm, Spot size: 150-200 micron, no spacing , 200ms pulse, 5% cycle, 50% of threshold power Control Intervention1: 532nm modified

Sponsors

Aravind Eye Hospital Chennai
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Non-centre involving DME – defined as SRF or IRF outside the central 1 mm of fovea 2. Treatment naïve for DME 3. = 18years age

Exclusion criteria

Exclusion criteria: 1. Previous Intravitreal injections 2. Proliferative diabetic retinopathy requiring concurrent PRP. (Stable PDR patients post PRP are eligible for inclusion) 3. Concurrent other ocular comorbidities like glaucoma 4. Patients with Visually significant cataract 5. Uncontrolled hypertension, uncontrolled diabetes (glycosylated hemoglobin [HbA1c] >12%), or recent (within 3 months) cerebrovascular accident (CVA), or myocardial infarction (MI). 6. One Eyed patients

Design outcomes

Primary

MeasureTime frame
Comparing Change in macular volume and thickness between 2 groups Timepoint: 6 weeks, 12 weeks

Secondary

MeasureTime frame
Comparing Change in BCVA between 2 groups Comparing Change in Autofluorescence and Visual Field Index HFA 24-2 between 2 groups Any adverse event related to treatment Number of patients requiring rescue treatment Change in morphological characteristics Timepoint: 6 weeks, 12 weeks

Countries

India

Contacts

Public ContactDr Puja Maitra

Vitreoretinal Department, Aravind Eye Hospital, Chennai

puja.maitra@aravind.org9884541628

Outcome results

None listed

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