Clinical studies of the Subliminal Micro-Pulse Laser and Argon ion laser in the treatment of diabetic macular edema

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-TRC-11001151

Enrollment

Unknown

Registered

2011-01-07

Start date

2011-01-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

Diabetic macular edema

Interventions

Group A:Argon ion laser treatment

Group B:treatment group with threshold of 5% duty cycle micro pulse diode laser photocoagulation

Group C:treatment group with threshold of 10% duty cycle micro pulse diode laser photocoagulation

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. After consultation endocrinologist diagnosed with type 2 diabetes; 2. By microscopy, fundus fluorescein angiography and OCT diagnosed with clinically significant diabetic macular edema (based on February 2003 to develop a new international clinical classification of DME standard, that is obviously the posterior pole retinal thickening or hard penetration Out); 3. Blood pressure <=160/100 mmHg

Exclusion criteria

Exclusion criteria: 1. Visual acuity >=20/40; 2. macular edema caused by retinal vein occlusion; 3. patients with macular edema has been treated; 4. retinal detachment; 5. severe opacity of the refractive media; 6. iris neovascularization; 7. vitreous macular traction; 8. glaucoma or other eye disease which maybe affecting the study; 9. pregnant.

Design outcomes

Primary

Measure	Time frame
Visul acuity;	—

Secondary

Measure	Time frame
Fundus fluorescein angiography;OCT;Visual field;	—

Countries

China

Contacts

Public ContactXueyi CHEN, Tingyu XIE

xtygood@sina.cn+86 13079973371

Outcome results

None listed

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