Evidence map›Paper›PMID 32212300›Full record

ArticleHaemophilia : the official journal of the World Federation of Hemophilia2020

PROTECT VIII Kids: BAY 94-9027 (PEGylated Recombinant Factor VIII) safety and efficacy in previously treated children with severe haemophilia A.

Elena Santagostino, Gili Kenet, Kathelijn Fischer, Tina Biss, Sanjay Ahuja, MacGregor Steele

Open access · hybridAbstract read
In one paragraph

Article in Haemophilia : the official journal of the World Federation of Hemophilia, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
2.3field-weighted citation impact, top 10% 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

14 citing papers in PubMed, 27 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Extended Half-Life Factor Concentrates in Haemophilia Treatment.Transfusion medicine and hemotherapy : offizielles Organ der Deutschen Gesellschaft fur Transfusionsmedizin und Immunhamatologie · 2026
    Review
  4. Observational
  5. Review
  6. Review
  7. Immunogenicity of Current and New Therapies for Hemophilia A.Pharmaceuticals (Basel, Switzerland) · 2022
    Review
  8. Article
  9. Review
  10. Review
  11. Article
  12. Article
  13. Factor VIII replacement is still the standard of care in haemophilia A.Blood transfusion = Trasfusione del sangue · 2019
    Review
  14. 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

6 authors at 6 institutions in 6 countries.

Elena SantagostinoFoundation IRCCS Ca' Granda, Maggiore Hospital Policlinico, A. Bianchi Bonomi, Hemophilia and Thrombosis Center, Milan, Italy.ORCID https://orcid.org/0000-0001-9639-6422
Gili KenetChaim Sheba Medical Center, Israel National Hemophilia Center, Tel Hashomer, Israel.ORCID https://orcid.org/0000-0003-3494-9823
Kathelijn FischerVan Creveldkliniek, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.ORCID https://orcid.org/0000-0001-7126-6613
Tina BissNewcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK.
Sanjay AhujaUH Rainbow Babies and Children's Hospital, Case Western Reserve University School of Medicine, Cleveland, OH, USA.
MacGregor SteeleCumming School of Medicine, Alberta Children's Hospital, University of Calgary, Calgary, AB, Canada.
Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico · ITNewcastle upon Tyne Hospitals NHS Foundation Trust · GBRainbow Babies & Children's Hospital · USSheba Medical Center · ILUniversity of Calgary · CAUtrecht University · NL

Funding

Bayer
6 · The paper itself

Abstract

introductionBAY 94-9027, a site-specifically PEGylated, B-domain-deleted recombinant factor VIII (FVIII) with extended half-life, demonstrated efficacy for bleed prevention and treatment in previously treated adolescents and adults with severe haemophilia A.

aimTo assess BAY 94-9027 in children with severe haemophilia A.

methodsIn the two-part PROTECT VIII Kids study, boys <12 years with <1% FVIII and >50 exposure days (EDs) to FVIII were enrolled in two cohorts (<6 years; 6-<12 years) and treated with BAY 94-9027 prophylaxis twice-weekly, every 5 days, or every 7 days at physician discretion for ≥50 EDs (Part 1) or twice-weekly for 12-weeks (Part 2). Annualized bleeding rate (ABR) was a primary efficacy endpoint; FVIII inhibitor development was the primary safety variable.

resultsAt study completion, 25 patients had been treated twice-weekly, 28 in the every-5-day group, and 8 in the every-7-day group. Median ABR for all bleeds was 2.9 (Part 1) and 2.4 (Part 2) and similar in younger and older patients; median ABR for joint bleeds was 0 for both cohorts. In the last 90 days' treatment, median ABR was 0 for younger and older patients (Part 1). Of 149 reported bleeds, 93% were treated with ≤2 infusions. Twelve patients, the majority <6 years (n = 11), discontinued due to apparent loss of efficacy or hypersensitivity. No FVIII inhibitors developed.

conclusionsIn PROTECT VIII Kids, which allowed tailoring of prophylaxis to individual clinical response, BAY 94-9027 was efficacious for bleed prevention and treatment in previously treated children with severe haemophilia A.

Indexed as

ChildFactor VIIIHemophilia AHumansMalePolyethylene GlycolsRecombinant ProteinsSeverity of Illness IndexTreatment OutcomeBAY 94-9027Factor VIIIPolyethylene GlycolsRecombinant Proteinschildrenfactor VIIIhaemophilia Apolyethylene glycolprophylaxis

Identifiers

PMID32212300
PMCPMC7317355
OpenAlexW3013359875

What OpenQuestion holds

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LicenceCC BY-NC
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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.