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The effect of intravitreal injection of ranibizumab before direct photocoagulation in the treatment of focal diabetic macular edema

The effect of intravitreal injection of ranibizumab before direct photocoagulation in the treatment of focal diabetic macular edema - Ranibizumab treatment with lasers for focal DME

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000035829
Enrollment
50
Registered
2019-02-13
Start date
2019-02-09
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

diabetic macular edema

Interventions

None listed

Sponsors

University of Fukui, Ophthalmology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients with type 1 or type 2 diabetes mellitus 20 years of age or older. Patients with fovea involving diabetic macular edema (judged with central subfield thickness on OCT). Patients with reduced visual acuity associated with diabetic macular edema. Patients with a central retinal thickness (CRT) of 300 um or more on the OCT retinal map (measured in mm) as an objective finding. Patients who are willing and able to visit the study site, as scheduled, and undergo scheduled examinations in this study Patients who can provide written voluntary consent to participate in this study after receiving adequate explanation.

Exclusion criteria

Exclusion criteria: A history of any intraocular surgery in the study eye within the previous 90 days It is considered difficult to improve visual acuity due to morphological changes Glaucoma with poor IOP control, a history of glaucoma filtering surgery, or scheduled filtering surgery in the study eye IOP of the study eye: more than 25 mmHg Myopia of -8D or greater Optic media in which it is difficult to obtain fundus photographs or OCT images Severe systemic infections at baseline Systemic anticoagulation therapy within 180 Poorly controlled diabetes mellitus Poorly controlled hypertension A history of cerebrovascular accident and/or myocardial infarction within 180 days Patients on dialysis and patients with renal failure requiring dialysis

Design outcomes

Primary

MeasureTime frame
retinal thickness, visual acuity,

Secondary

MeasureTime frame
THe frequency of additional treatment

Countries

Japan

Contacts

Public ContactYoshihiro Takamura

University of Fukui Ophthalmology

takamurayoshihiro@gmail.com0776618403

Outcome results

None listed

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