Evidence map›Paper›PMID 28630122›Full record

ArticleBlood2017

Eculizumab treatment and impaired opsonophagocytic killing of meningococci by whole blood from immunized adults.

Monica Konar, Dan M Granoff

Open access · bronzeAbstract read
In one paragraph

Article in Blood, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
74citing papers in PubMed, 2 pooled it
6.0field-weighted citation impact, top 3% 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

74 citing papers in PubMed, 2 syntheses or guidelines pooled it, 122 citations in OpenAlex.

  1. Pediatric stiff-person syndrome and related disorders: A systematic review.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2025
    Pooled it
  2. Meningococcal Vaccination: Recommendations of the Advisory Committee on Immunization Practices, United States, 2020.MMWR. Recommendations and reports : Morbidity and mortality weekly report. Recommendations and reports · 2020
    Guideline
  3. Trial
  4. Trial
  5. Review
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  10. Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  11. Article
  12. Progression of antibiotic resistance inClinical microbiology reviews · 2025
    Review
  13. Article
  14. Article
  15. Article
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14 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

Monica KonarCenter for Immunobiology and Vaccine Development, UCSF Benioff Children's Hospital Oakland, Oakland, CA.
Dan M GranoffCenter for Immunobiology and Vaccine Development, UCSF Benioff Children's Hospital Oakland, Oakland, CA.ORCID 0000-0002-1514-2250
UCSF Benioff Children's Hospital · US

Funding

Novel vaccine strategies for prevention of N. meningitidis group B diseaseR01AI046464 · NIAID · OMVAX, INC. · PI MOE, GREGORY ROBERT · 2000 to 2024
$12.1M
The effect of binding of fH to meningococcal fHbp vaccine on antibody protectionR01AI114701 · NIAID · CHILDREN'S HOSPITAL & RES CTR AT OAKLAND · PI BEERNINK, PETER T. · 2015 to 2019
$3.3M
CONSTRUCTION OF THE VACCINE CENTERC06RR016226 · NCRR · CHILDREN'S HOSPITAL &RES CTR AT OAKLAND · PI LUCAS, ALEXANDER H. · 2002 to 2002
$2.0M
NCRR NIH HHS C06 RR016226NIAID NIH HHS R01 AI046464NIAID NIH HHS R01 AI114701
6 · The paper itself

Abstract

Eculizumab, a humanized anti-complement C5 monoclonal antibody (mAb) for treatment of paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome, blocks the terminal complement pathway required for serum bactericidal activity (SBA). Because treated patients are at >1000-fold increased risk of meningococcal disease, vaccination is recommended; whether vaccination can protect by opsonophagocytic activity in the absence of SBA is not known. Meningococci were added to anticoagulated blood from 12 healthy adults vaccinated with meningococcal serogroup B and serogroup A, C, W, Y vaccines. Bacterial survival was measured after 3-hour incubation in the presence of eculizumab or control complement factor D inhibitor ACH-4471, which blocks the complement alternative pathway (AP) and is in phase 2 development for treatment of PNH. In the absence of inhibitors, colony formation units (CFUs) per milliliter in blood from all 12 immunized subjects decreased from ∼4000 at time 0 to sterile cultures at 3 hours. In the presence of eculizumab, there was a >22-fold increase in geometric mean CFUs per milliliter (90 596 and 114 683 CFU/mL for serogroup B and C strains, respectively;

Indexed as

ImmunizationAdultAgedAntibodies, Monoclonal, HumanizedComplement Pathway, AlternativeComplement System ProteinsFemaleHumansMaleMicrobial ViabilityMiddle AgedNeisseria meningitidisOpsonin ProteinsPhagocytosisReceptor, Anaphylatoxin C5aYoung AdultAntibodies, Monoclonal, HumanizedC5AR1 protein, humanComplement System ProteinseculizumabOpsonin ProteinsReceptor, Anaphylatoxin C5a

Identifiers

PMID28630122
PMCPMC5561903
OpenAlexW2705109811

What OpenQuestion holds

Textmetadata
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.