Evidence map›Paper›PMID 34603693›Full record

ArticleClinical kidney journal2021

Review of intravitreal VEGF inhibitor toxicity and report of collapsing FSGS with TMA in a patient with age-related macular degeneration.

Gautam Phadke, Ramy M Hanna, Antoney Ferrey, Everardo Arias Torres, Anjali Singla, Amit Kaushal, Kamyar Kalantar-Zadeh, Ira Kurtz, Kenar D Jhaveri

Open access · goldAbstract read
In one paragraph

Article in Clinical kidney journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 3 pooled it
3.0field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 3 syntheses or guidelines pooled it, 22 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. A systematic review and meta-analysis of the effect of intravitreal VEGF inhibitors on cardiorenal outcomes.Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association · 2023
    Pooled it
  4. Article
  5. Drug-related proteinuria: a vigilance analysis based on the FAERS database.Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas · 2026
    Article
  6. Article
  7. Deep Learning-Enhanced Robotic Subretinal Injection with Real-Time Retinal Motion Compensation.IEEE International Conference on Automation Science and Engineering (CASE) : [proceedings]. IEEE Conference on Automation Science and Engineering · 2025
    Article
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  10. Observational
  11. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 5 institutions in 1 country.

Gautam PhadkeMetrolina Nephrology Associates, Charlotte, NC, USA.
Ramy M HannaDepartment of Medicine, Division of Nephrology, University of California, Irvine, Orange, CA, USA.
Antoney FerreyDepartment of Medicine, Division of Nephrology, University of California, Irvine, Orange, CA, USA.
Everardo Arias TorresDepartment of Medicine, University of California, Irvine, Orange, CA, USA.
Anjali SinglaMetrolina Nephrology Associates, Charlotte, NC, USA.
Amit KaushalSanford Health, Fargo, ND, USA.
Kamyar Kalantar-ZadehDepartment of Medicine, Division of Nephrology, University of California, Irvine, Orange, CA, USA.ORCID https://orcid.org/0000-0002-8666-0725
Ira KurtzDepartment of Medicine, Division of Nephrology, University of California, Los Angeles, Westwood, CA, USA.
Kenar D JhaveriNorthwell Health, Hofstra School of Medicine, New York, NY, USA.
University of California, Irvine · USNorthwell Health · USSanford Health · USUniversity of California, Los Angeles · USUniversity of North Dakota · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Intravitreal vascular endothelial growth factor (VEGF) receptor blockade is used for a variety of retinal pathologies. These include age-related macular degeneration (AMD), diabetic macular edema (DME) and central retinal vein obstruction. Reports of absorption of intravitreal agents into systemic circulation have increased in number and confirmation of depletion of VEGF has been confirmed. Increasingly there are studies and case reports showing worsening hypertension, proteinuria, renal dysfunction and glomerular disease. The pathognomonic findings of systemic VEGF blockade, thrombotic microangiopathies (TMAs), are also being increasingly reported. One lesion that occurs in conjunction with TMAs that has been described is collapsing focal segmental glomerulosclerosis (cFSGS). cFSGS has been postulated to occur due to TMA-induced chronic glomerular hypoxia. In this updated review we discuss the mechanistic, pharmacological, epidemiological and clinical evidence of intravitreal VEGF toxicity. We review cases of biopsy-proven toxicity presented by our group and other investigators. We also present the third reported case of cFSGS in the setting of intravitreal VEGF blockade with a chronic TMA component that was crucially found on biopsy. This patient is a 74-year-old nondiabetic male receiving aflibercept for AMD. Of the two prior cases of cFSGS in the setting of VEGF blockade, one had AMD and the other had DME. This case solidifies the finding of cFSGS and its association with chronic TMA as a lesion that may be frequently encountered in patients receiving intravitreal VEGF inhibitors.

Indexed as

afliberceptage-related macular degenerationcollapsing focal and segmental glomerulosclerosisdiabetic macular edemadiabetic retinopathyintravitreal VEGF nephrotoxicitynephrotic syndromethrombotic microangiopathyvascular endothelial growth factor (VEGF) blockade

Identifiers

PMID34603693
PMCPMC8483684
OpenAlexW3138222246

What OpenQuestion holds

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LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.