Evidence map›Paper›PMID 39324647›Full record

ReviewAmerican journal of hematology2024

Current state and potential applications of neonatal Fc receptor (FcRn) inhibitors in hematologic conditions.

Jeremy W Jacobs, Garrett S Booth, Sheharyar Raza, Landon M Clark, Ross M Fasano, Eleni Gavriilaki, Elizabeth A Abels, Thomas C Binns, Miriam Andrea Duque, Zoe K McQuilten and 8 more

Abstract readReview
In one paragraph

Review in American journal of hematology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

10 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Evaluation of Immune Functions in Transfusion-Dependent Thalassemia Patients with AlloimmunizationTurkish journal of haematology : official journal of Turkish Society of Haematology · 2025
    Article
  4. Review
  5. The Use of Biologics for Thyroid Eye Disease.BioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy · 2025
    Review
  6. Review
  7. Review
  8. Review
  9. Review
  10. Review
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

18 authors.

Jeremy W JacobsDivision of Transfusion Medicine, Department of Pathology, Microbiology, & Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.ORCID 0000-0002-5719-9685
Garrett S BoothDivision of Transfusion Medicine, Department of Pathology, Microbiology, & Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.ORCID 0000-0002-8422-9480
Sheharyar RazaLaboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.
Landon M ClarkVanderbilt University School of Medicine, Nashville, Tennessee, USA.
Ross M FasanoDepartment of Pathology and Laboratory Medicine, Center for Transfusion and Cellular Therapy, Emory University School of Medicine, Atlanta, Georgia, USA.ORCID 0000-0002-8877-956X
Eleni GavriilakiHematology Department and Bone Marrow Transplant (BMT) Unit, G. Papanicolaou Hospital, Thessaloniki, Greece.ORCID 0000-0002-8883-8208
Elizabeth A AbelsDepartment of Obstetrics and Gynecology, Bridgeport Hospital/Yale University, Bridgeport, Connecticut, USA.ORCID 0009-0001-5526-966X
Thomas C BinnsDepartment of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA.ORCID 0000-0003-1246-8957
Miriam Andrea DuqueDepartment of Pathology, University of Miami Miller School of Medicine, Miami, Florida, USA.
Zoe K McQuiltenDepartment of Haematology, Monash Health, Melbourne, Victoria, Australia.ORCID 0000-0001-9698-7185
María Eva Mingot-CastellanoServicio de Hematología, Hospital Universitario Virgen del Rocío, Instituto de Biomedicina de Sevilla, Sevilla, Spain.ORCID 0000-0001-9083-855X
Bipin N SavaniDivision of Hematology/Oncology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.ORCID 0000-0002-3304-9965
Deva SharmaDivision of Transfusion Medicine, Department of Pathology, Microbiology, & Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.ORCID 0000-0002-6437-5296
Minh-Ha TranDepartment of Pathology and Laboratory Medicine, University of California, Irvine, Irvine, California, USA.ORCID 0000-0002-9974-5277
Christopher A TormeyDepartment of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA.ORCID 0000-0003-1785-2245
Kenneth J MoiseDepartment of Women's Health, Dell Medical School-University of Texas at Austin, Austin, Texas, USA.
Evan M BlochDivision of Transfusion Medicine, Department of Pathology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA.
Brian D AdkinsDepartment of Pathology, University of Texas Southwestern Medical Center, Dallas, Texas, USA.ORCID 0000-0002-9480-2762

Funding

IMMUNOHEMATOLOGY/TRANSFUSION MEDICINE RESEARCH TRAININGT32HL007974 · NHLBI · YALE UNIVERSITY · PI JEANNE E HENDRICKSON, Diane S Krause · 2001 to 2026
$8.1M
NHLBI NIH HHS T32 HL007974
6 · The paper itself

Abstract

The neonatal fragment crystallizable (Fc) receptor (FcRn) transports IgG across mucosal surfaces and the placenta and protects IgG from degradation. Numerous clinical trials are investigating therapeutic FcRn inhibition for various immune-mediated neuromuscular and rheumatologic conditions; however, FcRn inhibition also represents a potential therapy for IgG-mediated hematologic conditions (e.g., immune thrombocytopenia, autoimmune hemolytic anemia, immune thrombotic thrombocytopenic purpura, acquired hemophilia, red blood cell/platelet alloimmunization). Current evidence derived from both in vitro and in vivo studies suggests that FcRn inhibitors effectively reduce total IgG levels without impacting its production or altering the levels of other immunoglobulin isotypes. Moreover, the risk of serious adverse events, including serious infections, appears to be lower than that seen with other commonly used immunomodulatory/immunosuppressive therapies, albeit in the setting of limited clinical trial data. Ultimately, additional clinical trials that include varied patient populations are required prior to incorporating these agents into standard treatment algorithms for most hematologic conditions. However, based on the pathophysiology of IgG-mediated hematologic disorders and the mechanism of action of FcRn inhibitors, these agents may represent a future novel therapeutic strategy for patients with hematologic conditions caused by IgG antibodies.

Indexed as

Hematologic DiseasesHistocompatibility Antigens Class IImmunoglobulin GReceptors, FcAnimalsHumansFc receptor, neonatalHistocompatibility Antigens Class IImmunoglobulin GReceptors, Fc

Identifiers

PMID39324647
PMCPMC11560617

What OpenQuestion holds

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Registered trials

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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.