Evidence map›Paper›PMID 38851398›Full record

ReviewThe Journal of allergy and clinical immunology2024

Mast cell activation syndrome: Current understanding and research needs.

Mariana Castells, Matthew P Giannetti, Matthew J Hamilton, Peter Novak, Olga Pozdnyakova, Jennifer Nicoloro-SantaBarbara, Susan V Jennings, Clair Francomano, Brian Kim, Sarah C Glover and 14 more

Abstract readReview
In one paragraph

Review in The Journal of allergy and clinical immunology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
–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

21 citing papers in PubMed.

  1. IL-18-associated basophil and mast cell activation in sepsis.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2026
    Article
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  8. Review
  9. Sexual Dimorphism in Allergic and Mast Cell-Associated Diseases.Clinical reviews in allergy & immunology · 2026
    Review
  10. Article
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  12. Article
  13. Review
  14. Article
  15. Article
  16. Diagnosis and management of mast cell activation syndrome (MCAS) in Canada: a practical approach.Allergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology · 2025
    Review
  17. Review
  18. Role of Mast Cells and Their Mediators in Chronic Kidney Diseases.International journal of molecular sciences · 2025
    Review
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  20. 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

24 authors.

Mariana CastellsDivision of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass. Electronic address: mcastells@bwh.harvard.edu.
Matthew P GiannettiDivision of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass.
Matthew J HamiltonDivision of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass.
Peter NovakDepartment of Neurology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass.
Olga Pozdnyakovadepartment of Pathology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass.
Jennifer Nicoloro-SantaBarbaradepartment of Psychiatry, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass.
Susan V JenningsThe Mast Cell Disease Society Inc, Sterling, Mass.
Clair FrancomanoMedical and Molecular Genetics, Riley Children's Health, Indianapolis, Ind.
Brian KimDepartment of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY.
Sarah C GloverGastroenterology & Hepatology, Tulane University School of Medicine, New Orleans, La.
Stephen J GalliDepartments of Pathology and Immunology and Microbiology, and the Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, Calif.
Anne MaitlandDepartment of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY; Allergy and Immunology Services, Metrodora Institute, Salt Lake City, Utah.
Andrew WhiteDivision of Allergy and Immunology, Scripps Clinic, San Diego, Calif.
J Pablo AboniaDepartent of Pediatrics, Cincinnati Children's Hospital, Cincinnati, Ohio.
Valerie SleeThe Mast Cell Disease Society Inc, Sterling, Mass.
Peter ValentDepartment of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria.
Joseph H ButterfieldDivision of Allergic Diseases and the Mayo Clinic Program for Mast Cell and Eosinophilic Disorders, Mayo Clinic, Rochester, Minn.
Melody CarterMast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md.
Dean D MetcalfeMast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md.
Cem AkinDivision of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, Mich.
Jonathan J LyonsDivision of Allergy and Immunology, Department of Medicine, University of California-San Diego, La Jolla, Calif; Veterans Affairs San Diego Healthcare System, La Jolla, Calif.
Alkis TogiasMast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md.
Lisa WheatleyMast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md.
Joshua D MilnerDivision of Pediatric Allergy, Immunology and Rheumatology, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, NY.

Funding

ACTIV Integration of Host-targeting Therapies for COVID-19 Administrative Coordinating CenterOT2HL156812 · NHLBI · RESEARCH TRIANGLE INSTITUTE · PI NOLEN, TRACY L, THOMAS, SONIA M · 2020 to 2024
$1270.7M
Pathogenesis and Treatment of Idiopathic AnaphylaxisZIAAI001092 · NIAID · NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES · PI CARTER, MELODY C · 2009 to 2025
$10.8M
TPSAB1-derived tryptases promote myeloproliferation and anaphylaxisR00AI138586 · NIAID · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI Jonathan Lyons · 2024 to 2026
$2.3M
NHLBI NIH HHS OT2 HL156812NIAID NIH HHS R00 AI138586NIAID NIH HHS SI2 AI138586
6 · The paper itself

Abstract

Mast cell activation syndrome (MCAS) is a term applied to several clinical entities that have gained increased attention from patients and medical providers. Although several descriptive publications about MCAS exist, there are many gaps in knowledge, resulting in confusion about this clinical syndrome. Whether MCAS is a primary syndrome or exists as a constellation of symptoms in the context of known inflammatory, allergic, or clonal disorders associated with systemic mast cell activation is not well understood. More importantly, the underlying mechanisms and pathways that lead to mast cell activation in MCAS patients remain to be elucidated. Here we summarize the known literature, identify gaps in knowledge, and highlight research needs. Covered topics include contextualization of MCAS and MCAS-like endotypes and related diagnostic evaluations; mechanistic research; management of typical and refractory symptoms; and MCAS-specific education for patients and health care providers.

Indexed as

Mast CellsMastocytosisAnimalsHumansSyndromehereditary alpha-tryptasemiaMast cellmast cell activation–related disordersMast cell activation syndromemastocytosistryptase

Identifiers

PMID38851398
PMCPMC11881543

What OpenQuestion holds

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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.