NCT02834663

Brief Summary

Title of study: Effects of Ranibizumab to delay or regression non-proliferative diabetic retinopathy(NPDR) with DME assessed by microaneurysm changes: A pilot study Objectives Diabetic retinopathy (DR) is a major cause of visual impairment. Anti-vascular endothelial growth factors have demonstrated therapeutic benefits in diabetic macular edema (DME). We aimed to prospectively analyze the effects of early intensive treatment using intravitreal ranibizumab (IVR) injections in nonproliferative diabetic retinopathy patients with macular edema. Primary objective: To investigate other efficacy endpoints including other visual acuity, anatomical change in mild-to-moderate NPDR with DME after intravitreal Ranibizumab injection from baseline through 6 months after treatment. Secondary objectives: To compare microvascular changes assessed by microaneurysm counts and perifoveal non-perfusion area changes and safty in eyes of mild-to-moderate NPDR with DME after intravitreal Ranibizumab injection from baseline through 6 months after treatment.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
25

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started Aug 2016

Typical duration for phase_4

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 26, 2016

Completed
19 days until next milestone

First Posted

Study publicly available on registry

July 15, 2016

Completed
17 days until next milestone

Study Start

First participant enrolled

August 1, 2016

Completed
2.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2019

Completed
10 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2019

Completed
5 months until next milestone

Results Posted

Study results publicly available

April 22, 2020

Completed
Last Updated

May 22, 2020

Status Verified

May 1, 2020

Enrollment Period

2.5 years

First QC Date

June 26, 2016

Results QC Date

March 12, 2020

Last Update Submit

May 8, 2020

Conditions

Keywords

Nonproliferative diabetic retinopathy, Microaneurysms

Outcome Measures

Primary Outcomes (2)

  • The Best Corrected Visual Acuity (BCVA)

    BCVA was performed using the Early Treatment Diabetic Retinopathy Study (ETDRS) chart at baseline and 6 months. The BCVA compare the degree of improvement or worsening of vision at baseline and 6 months. (value at 6 months minus value at baseline)

    6 months

  • Central Macular Thickness(CMT)

    CRT was performed using OCT at each visit. The OCT measured at each visit was analyzed statistically. the CMT compare the degree of improvement or worsening of vision at baseline and 6 months. (value at 6 months minus value at baseline)

    6 months

Secondary Outcomes (6)

  • The Total Number of Microaneurysm

    6 months

  • The Microaneurysm Formation Rate

    6 months

  • The Microaneurysm Disappearance Rate

    6 months

  • The Microaneurysm Turnover

    6 months

  • Perifoveal Non-perfusion Area in FAG (mm²)

    6 months

  • +1 more secondary outcomes

Study Arms (1)

Lucentis

EXPERIMENTAL

Patients were administered 0.5-mg IVR injections monthly for 6 months.

Drug: Lucentis

Interventions

Local anesthesia with T-caine with Saline irrigation. Routine eye drap was done by potadine-cotton ball. Lucentis injected to vitreous cavity, finally dressing.

Also known as: Intravitreal Lucentis injection
Lucentis

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients (Male \& female) ≥40 years of age
  • Type 2 DM
  • Best corrected visual acuity ≥ 20/200 (Snellen equivalent using Early Treatment Diabetic Retinopathy Study chart)
  • central retinal thickness of ≥300 µm on optical coherence tomography
  • nonproliferative diabetic retinopathy (NPDR) with diabetic macular edema

You may not qualify if:

  • proliferative diabetic retinopathy
  • Vitreous hemorrhage
  • previous history of vitreoretinal surgery, post-cataract operation status (≤4 months before participation in this study)
  • prior treatment with anti-VEGF drugs, intraocular corticosteroids, and/or retinal laser application
  • Uncontrolled hypertension.
  • Uncontrolled glaucoma.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (19)

  • Liinamaa MJ, Savolainen MJ. High vitreous concentration of vascular endothelial growth factor in diabetic patients with proliferative retinopathy using statins. Ann Med. 2008;40(3):209-14. doi: 10.1080/07853890701749209.

    PMID: 18382886BACKGROUND
  • Noma H, Funatsu H, Yamasaki M, Tsukamoto H, Mimura T, Sone T, Hirayama T, Tamura H, Yamashita H, Minamoto A, Mishima HK. Aqueous humour levels of cytokines are correlated to vitreous levels and severity of macular oedema in branch retinal vein occlusion. Eye (Lond). 2008 Jan;22(1):42-8. doi: 10.1038/sj.eye.6702498. Epub 2006 Jul 7.

    PMID: 16826241BACKGROUND
  • Crawford TN, Alfaro DV 3rd, Kerrison JB, Jablon EP. Diabetic retinopathy and angiogenesis. Curr Diabetes Rev. 2009 Feb;5(1):8-13. doi: 10.2174/157339909787314149.

    PMID: 19199892BACKGROUND
  • Usui T, Ishida S, Yamashiro K, Kaji Y, Poulaki V, Moore J, Moore T, Amano S, Horikawa Y, Dartt D, Golding M, Shima DT, Adamis AP. VEGF164(165) as the pathological isoform: differential leukocyte and endothelial responses through VEGFR1 and VEGFR2. Invest Ophthalmol Vis Sci. 2004 Feb;45(2):368-74. doi: 10.1167/iovs.03-0106.

    PMID: 14744874BACKGROUND
  • Hoeben A, Landuyt B, Highley MS, Wildiers H, Van Oosterom AT, De Bruijn EA. Vascular endothelial growth factor and angiogenesis. Pharmacol Rev. 2004 Dec;56(4):549-80. doi: 10.1124/pr.56.4.3.

    PMID: 15602010BACKGROUND
  • Roy S, Ha J, Trudeau K, Beglova E. Vascular basement membrane thickening in diabetic retinopathy. Curr Eye Res. 2010 Dec;35(12):1045-56. doi: 10.3109/02713683.2010.514659. Epub 2010 Oct 7.

    PMID: 20929292BACKGROUND
  • Hammes HP. Pericytes and the pathogenesis of diabetic retinopathy. Horm Metab Res. 2005 Apr;37 Suppl 1:39-43. doi: 10.1055/s-2005-861361.

    PMID: 15918109BACKGROUND
  • Stitt AW, Gardiner TA, Archer DB. Histological and ultrastructural investigation of retinal microaneurysm development in diabetic patients. Br J Ophthalmol. 1995 Apr;79(4):362-7. doi: 10.1136/bjo.79.4.362.

    PMID: 7742285BACKGROUND
  • Ribeiro ML, Nunes SG, Cunha-Vaz JG. Microaneurysm turnover at the macula predicts risk of development of clinically significant macular edema in persons with mild nonproliferative diabetic retinopathy. Diabetes Care. 2013 May;36(5):1254-9. doi: 10.2337/dc12-1491. Epub 2012 Nov 30.

    PMID: 23204247BACKGROUND
  • Haritoglou C, Kernt M, Neubauer A, Gerss J, Oliveira CM, Kampik A, Ulbig M. Microaneurysm formation rate as a predictive marker for progression to clinically significant macular edema in nonproliferative diabetic retinopathy. Retina. 2014 Jan;34(1):157-64. doi: 10.1097/IAE.0b013e318295f6de.

    PMID: 23792485BACKGROUND
  • Sjolie AK, Klein R, Porta M, Orchard T, Fuller J, Parving HH, Bilous R, Aldington S, Chaturvedi N. Retinal microaneurysm count predicts progression and regression of diabetic retinopathy. Post-hoc results from the DIRECT Programme. Diabet Med. 2011 Mar;28(3):345-51. doi: 10.1111/j.1464-5491.2010.03210.x.

    PMID: 21309844BACKGROUND
  • Kohner EM, Sleightholm M. Does microaneurysm count reflect severity of early diabetic retinopathy? Ophthalmology. 1986 May;93(5):586-9. doi: 10.1016/s0161-6420(86)33692-3.

    PMID: 3725317BACKGROUND
  • Nunes S, Pires I, Rosa A, Duarte L, Bernardes R, Cunha-Vaz J. Microaneurysm turnover is a biomarker for diabetic retinopathy progression to clinically significant macular edema: findings for type 2 diabetics with nonproliferative retinopathy. Ophthalmologica. 2009;223(5):292-7. doi: 10.1159/000213639. Epub 2009 Apr 16.

    PMID: 19372723BACKGROUND
  • Photocoagulation treatment of proliferative diabetic retinopathy. Clinical application of Diabetic Retinopathy Study (DRS) findings, DRS Report Number 8. The Diabetic Retinopathy Study Research Group. Ophthalmology. 1981 Jul;88(7):583-600.

    PMID: 7196564BACKGROUND
  • Ferrara N, Hillan KJ, Gerber HP, Novotny W. Discovery and development of bevacizumab, an anti-VEGF antibody for treating cancer. Nat Rev Drug Discov. 2004 May;3(5):391-400. doi: 10.1038/nrd1381. No abstract available.

    PMID: 15136787BACKGROUND
  • Han XX, Guo CM, Li Y, Hui YN. Effects of bevacizumab on the neovascular membrane of proliferative diabetic retinopathy: reduction of endothelial cells and expressions of VEGF and HIF-1alpha. Mol Vis. 2012;18:1-9. Epub 2012 Jan 1.

    PMID: 22232563BACKGROUND
  • Leicht SF, Kernt M, Neubauer A, Wolf A, Oliveira CM, Ulbig M, Haritoglou C. Microaneurysm turnover in diabetic retinopathy assessed by automated RetmarkerDR image analysis--potential role as biomarker of response to ranibizumab treatment. Ophthalmologica. 2014;231(4):198-203. doi: 10.1159/000357505. Epub 2014 Mar 19.

    PMID: 24662930BACKGROUND
  • Kohner EM, Stratton IM, Aldington SJ, Turner RC, Matthews DR. Microaneurysms in the development of diabetic retinopathy (UKPDS 42). UK Prospective Diabetes Study Group. Diabetologia. 1999 Sep;42(9):1107-12. doi: 10.1007/s001250051278.

    PMID: 10447523BACKGROUND
  • Horii T, Murakami T, Nishijima K, Sakamoto A, Ota M, Yoshimura N. Optical coherence tomographic characteristics of microaneurysms in diabetic retinopathy. Am J Ophthalmol. 2010 Dec;150(6):840-8. doi: 10.1016/j.ajo.2010.06.015. Epub 2010 Sep 19.

    PMID: 20855054BACKGROUND

MeSH Terms

Conditions

Microaneurysm

Interventions

Ranibizumab

Condition Hierarchy (Ancestors)

AneurysmVascular DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

Antibodies, Monoclonal, HumanizedAntibodies, MonoclonalAntibodiesImmunoglobulinsImmunoproteinsBlood ProteinsProteinsAmino Acids, Peptides, and ProteinsSerum GlobulinsGlobulins

Results Point of Contact

Title
Dr. Seung Joon Lee
Organization
Wonkwang University Hospital

Study Officials

  • Yunsik Yang, MD, Ph D

    Department of Ophthalmology, Wonkwang University School of Medicine

    STUDY CHAIR
  • Seungjoon Lee, MD, Ph D

    Study Official Affiliation should have no more than 80 characters.

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NA
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD, PhD

Study Record Dates

First Submitted

June 26, 2016

First Posted

July 15, 2016

Study Start

August 1, 2016

Primary Completion

February 1, 2019

Study Completion

December 1, 2019

Last Updated

May 22, 2020

Results First Posted

April 22, 2020

Record last verified: 2020-05

Data Sharing

IPD Sharing
Will not share