Trial Outcomes & Findings for Vascular Endothelial Growth Factor (VEGF) Levels in Retinal Vein Occlusion (RVO) During Anti-VEGF Treatment (NCT NCT04707625)

NCT ID: NCT04707625

Last Updated: 2025-02-24

Results Overview

Measured by central retinal thickness using optical coherence tomography - OCT is an imaging method used to generate a picture of the back of the eye, called the retina. The picture is made by precisely measuring the amount of a dim red light that reflects off the retina

Recruitment status

TERMINATED

Study phase

PHASE4

Target enrollment

17 participants

Primary outcome timeframe

Baseline through week 35

Results posted on

2025-02-24

Participant Flow

Participants were inappropriately enrolled; IRB required early termination due to the number of protocol violations.

Participant milestones

Participant milestones
Measure
Aflibercept
All subjects will receive aflibercept every 4 weeks. Once vascular endothelial growth factor levels become normal and macular edema improves treatment windows will be extended up to every 12 weeks. Aflibercept Ophthalmic: Anti-vascular endothelial growth factor intraocular injection
Overall Study
STARTED
17
Overall Study
COMPLETED
0
Overall Study
NOT COMPLETED
17

Reasons for withdrawal

Reasons for withdrawal
Measure
Aflibercept
All subjects will receive aflibercept every 4 weeks. Once vascular endothelial growth factor levels become normal and macular edema improves treatment windows will be extended up to every 12 weeks. Aflibercept Ophthalmic: Anti-vascular endothelial growth factor intraocular injection
Overall Study
IRB Required Early Termination Due to Safety Concerns
17

Baseline Characteristics

IRB will not allow study team to access or analyze any data

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Aflibercept
n=10 Participants
All subjects will receive aflibercept every 4 weeks. Once vascular endothelial growth factor levels become normal and macular edema improves treatment windows will be extended up to every 12 weeks. Aflibercept Ophthalmic: Anti-vascular endothelial growth factor intraocular injection
Age, Continuous
74.4 years
STANDARD_DEVIATION 6.6 • n=10 Participants • IRB will not allow study team to access or analyze any data
Sex: Female, Male
Female
6 Participants
n=10 Participants • IRB will not allow study team to access or analyze any data
Sex: Female, Male
Male
4 Participants
n=10 Participants • IRB will not allow study team to access or analyze any data

PRIMARY outcome

Timeframe: Baseline through week 35

Population: IRB terminated study early and would not allow study team to access data further.

Measured by central retinal thickness using optical coherence tomography - OCT is an imaging method used to generate a picture of the back of the eye, called the retina. The picture is made by precisely measuring the amount of a dim red light that reflects off the retina

Outcome measures

Outcome measures
Measure
Aflibercept
n=10 Participants
All subjects will receive aflibercept every 4 weeks. Once vascular endothelial growth factor levels become normal and macular edema improves treatment windows will be extended up to every 12 weeks. Aflibercept Ophthalmic: Anti-vascular endothelial growth factor intraocular injection
Change in Macular Edema
-504.4 cubic microns
Standard Deviation 300.82

PRIMARY outcome

Timeframe: Baseline through week 35

Population: IRB will not allow study team to access or analyze data any further.

Measured by central retinal thickness using optical coherence tomography - OCT is an imaging method used to generate a picture of the back of the eye, called the retina. The picture is made by precisely measuring the amount of a dim red light that reflects off the retina

Outcome measures

Outcome measures
Measure
Aflibercept
n=10 Participants
All subjects will receive aflibercept every 4 weeks. Once vascular endothelial growth factor levels become normal and macular edema improves treatment windows will be extended up to every 12 weeks. Aflibercept Ophthalmic: Anti-vascular endothelial growth factor intraocular injection
Change in Macular Volume
-5.2 cubic microns
Standard Deviation 4.0

PRIMARY outcome

Timeframe: Baseline through week 35

Population: IRB will not allow study team to access or analyze data any further.

Evaluated by Enzyme-Linked ImmunoSorbent Assay (ELISA) analysis

Outcome measures

Outcome measures
Measure
Aflibercept
n=10 Participants
All subjects will receive aflibercept every 4 weeks. Once vascular endothelial growth factor levels become normal and macular edema improves treatment windows will be extended up to every 12 weeks. Aflibercept Ophthalmic: Anti-vascular endothelial growth factor intraocular injection
Change in Vascular Endothelial Growth Factor (VEGF) Level in Anterior Chamber
-203.5 pg/ml
Standard Deviation 203.5

SECONDARY outcome

Timeframe: Baseline through week 35

Population: IRB will not allow study team to access or analyze data any further.

Using Snellen Visual Acuity charts - The results are based on what line the patient can read with ease - If a subject's visual acuity is so poor that the subject can't see any letters on the charts, finger counting and/or hand motions will be checked

Outcome measures

Outcome measures
Measure
Aflibercept
n=10 Participants
All subjects will receive aflibercept every 4 weeks. Once vascular endothelial growth factor levels become normal and macular edema improves treatment windows will be extended up to every 12 weeks. Aflibercept Ophthalmic: Anti-vascular endothelial growth factor intraocular injection
Change in Best Corrected Visual Acuity (BCVA)
-0.33 LOGMAR Units
Standard Deviation 0.43

SECONDARY outcome

Timeframe: Baseline through week 52

Population: Not measured prior to IRB-required termination

Evaluated by tonometry - Tonometry is the procedure eye care professionals perform to determine the intraocular pressure (IOP), the fluid pressure inside the eye - Most tonometers are calibrated to measure pressure in millimeters of mercury (mmHg)

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline through week 52

Population: Not measured prior to IRB-required termination

Number of injections received during study participation

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline through week 52

Population: Not measured prior to IRB-required termination

Chemokine (C-C motif) ligand 2 (CCL2)/(JE/MCP-1) Monocyte chemoattractant protein 1 and C-C motif chemokine 11(CCL11)/Eotaxin - Analyzed using an ELISA multiplex

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline through week 52

Population: Not measured prior to IRB-required termination

CXCL1/GRO alpha/KC/Cytokine-induced neutrophil chemoattractant (CINC-1) and CXCL2/GRO beta/MIP-s/CINC-3 - Analyzed using an ELISA multiplex

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline through week 52

Population: Not measured prior to IRB-required termination

Epidermal growth factor (EGF) and basic fibroblast growth factor (FGF basic)/FGF2/bFGF - and Transforming growth factor alpha (TGF-alpha) - and Platelet-derived growth factor (PDGF)-AA and PDGF-AB/BBA analyzed using an ELISA multiplex Analyzed

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline through week 52

Population: Not measured prior to IRB-required termination

Interferon (IFN)-alpha 2/IFNA2, Interferon (IFN)-beta, and Interferon (IFN)-gamma - Analyzed using an ELISA multiplex

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline through week 52

Population: Not measured prior to IRB-required termination

Programmed death-ligand 1(PD-L1)/B7 homolog 1(B7-H1) Analyzed using an ELISA multiplex

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline through week 52

Population: Not measured prior to IRB-required termination

IL-1 alpha/IL-1F1 * IL-1 beta/IL-1F2 * IL-1ra/IL-1F3 * IL-2 * IL-3 * IL-4 * IL-5 * IL-6 * IL-7 * IL-8/CXCL8 * IL-10 * IL-12 p70 * IL-13 * IL-15 * IL-17/IL-17A * IL-17E/IL-25 * IL-33 Analyzed using an ELISA multiplex

Outcome measures

Outcome data not reported

Adverse Events

Aflibercept

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Mark Nelson, MD

Wake Forest University Health Sciences

Phone: 336.713.1680

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place