NCT00516464

Brief Summary

Evaluation of ranibizumab on the ease and procedure and complication in proliferative diabetic retinopathy (PDR) requiring vitrectomy.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
40

participants targeted

Target at below P25 for phase_3

Timeline
Completed

Started Aug 2007

Shorter than P25 for phase_3

Geographic Reach
1 country

1 active site

Status
unknown

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

Study Start

First participant enrolled

August 1, 2007

Completed
13 days until next milestone

First Submitted

Initial submission to the registry

August 14, 2007

Completed
1 day until next milestone

First Posted

Study publicly available on registry

August 15, 2007

Completed
12 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2008

Completed
Last Updated

August 15, 2007

Status Verified

August 1, 2007

First QC Date

August 14, 2007

Last Update Submit

August 14, 2007

Conditions

Keywords

Proliferative Diabetic RetinopathyVitrectomyRanibizumab

Outcome Measures

Primary Outcomes (1)

  • To evaluate the effect of ranibizumab on vitrectomy complications such as recurrent vitreous hemorrhage, postoperative retinal detachment rates, and development of intraoperative retinal breaks.

    6 months

Interventions

Eligibility Criteria

Age21 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Ability to provide written informed consent and comply with study assessments for the full duration of the study
  • Age \> 20 years
  • Best corrected visual acuity of 20/40 to 20/800 in the study eye
  • Very servere nonproliferative diabetic retinopathy (ETDRS level 53E) OR moderate proliferative diabetic retinopathy (ETDRS level 65)
  • Visual reduction attributable to diabetic vitreous hemorrhage or diabetic macular edema
  • Candidate for vitrectomy procedure

You may not qualify if:

  • Pregnancy (positive Pregnancy test) or lactation
  • Premenopausal women not using adequate contraception. The following are considered effective means of contraception: surgical sterilization or use of oral contraceptives, barrier contraception with either a condom or diaphragm in conjunction with spermicidal gel, an IUD, or contraceptive hormone implant or patch.
  • Any other condition that the investigator believes would pose a significant hazard to the subject if the investigational therapy were initiated.
  • Participation in another simultaneous medical investigation or trial.
  • Visual impairment attributable to causes other than diabetic macular edema or diabetic vitreous hemorrhage.
  • Use of intraocular or periocular corticosteroids within 6 months.
  • History of panretinal photocoagulation
  • History of macular laser photocoagulation
  • History of pars plana vitrectomy
  • Prior or concomitant treatment with ranibizumab, bevacizumab, or pegaptanib sodium, either as part of an investigational study or as an off-label medication.
  • Current treatment of a systemic infection

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Retina Associates, PA

Shawnee Mission, Kansas, 66204, United States

RECRUITING

Related Publications (1)

  • Dervenis P, Dervenis N, Smith JM, Steel DH. Anti-vascular endothelial growth factors in combination with vitrectomy for complications of proliferative diabetic retinopathy. Cochrane Database Syst Rev. 2023 May 31;5(5):CD008214. doi: 10.1002/14651858.CD008214.pub4.

MeSH Terms

Interventions

Ranibizumab

Intervention Hierarchy (Ancestors)

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

Study Officials

  • Gregory M Fox, MD

    Retina Associates, PA

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER

Study Record Dates

First Submitted

August 14, 2007

First Posted

August 15, 2007

Study Start

August 1, 2007

Study Completion

August 1, 2008

Last Updated

August 15, 2007

Record last verified: 2007-08

Locations