Status:

NOT_YET_RECRUITING

Mecobalamin Combined With Anti-VEGF Intravitreal Injection for Retinal Vein Occlusion Treatment

Lead Sponsor:

First Affiliated Hospital of Chongqing Medical University

Conditions:

Retinal Vein Occlusion (RVO)

Eligibility:

All Genders

18-80 years

Phase:

PHASE4

Brief Summary

Retinal vein occlusion (RVO), a common retinal vascular disease, is frequently treated with anti-vascular endothelial growth factor (anti-VEGF) agents as first-line therapy. However, anti-VEGF monothe...

Detailed Description

Retinal vein occlusion (RVO) is the second leading cause of vision loss resulting from retinal vascular disease, with a prevalence of approximately 0.6%-1.6%. Macular edema (ME) secondary to RVO is a ...

Eligibility Criteria

Inclusion

  • Diagnosis of RVO meeting the international diagnostic criteria 4,12, age 18-80 years, gender not limited Treatment-naive RVO-ME (no prior anti-VEGF, glucocorticoid, or laser therapy) The CFT is confirmed to be ≥300μm by OCT The baseline BCVA (ETDRS letter count) was 20/400 to 20/40 (34-78 letters) Signed informed consent and ability to comply with follow-up.

Exclusion

  • Combined with other eye diseases that cause ME (such as diabetic retinopathy, uveitis) Media opacities affecting imaging (such as severe cataract, vitreous hemorrhage) Prior anti-VEGF, steroid, or macular laser therapy Systemic use of glucocorticoids or immunosuppressants within 3 months Uncontrolled systemic disease (hypertension, diabetes, hepatic/renal dysfunction); pregnant or lactating women Allergy to mecobalamin or conbercept Unable to cooperate with examinations or follow-up, or participate in other clinical trials within one year

Key Trial Info

Start Date :

September 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

July 31 2027

Estimated Enrollment :

120 Patients enrolled

Trial Details

Trial ID

NCT07133438

Start Date

September 1 2025

End Date

July 31 2027

Last Update

August 21 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

No. 1, Friendship Road, Yuanjiagang, Yuzhong District, Chongqing City

Chongqing, China, 400016