Evidence map›Paper›PMID 34977269›Full record

ArticleMolecular therapy. Methods & clinical development2022

Preclinical assessment of an optimized AAV-FVIII vector in mice and non-human primates for the treatment of hemophilia A.

Liron Elkouby, Sean M Armour, Raffaella Toso, Marti DiPietro, Robert J Davidson, Giang N Nguyen, Mallory Willet, Stephanie Kutza, Joseph Silverberg, Jennifer Frick and 6 more

Open access · goldAbstract read
In one paragraph

Article in Molecular therapy. Methods & clinical development, 2022. 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
1.5field-weighted citation impact, top 17% 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, 16 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Gene therapy for hemophilia - From basic science to first approvals of "one-and-done" therapies.Molecular therapy : the journal of the American Society of Gene Therapy · 2025
    Review
  6. AAV vector development, back to the future.Molecular therapy : the journal of the American Society of Gene Therapy · 2025
    Review
  7. Article
  8. Article
  9. Article
  10. Coagulation factor VIII regulates von Willebrand factor homeostasis invivo.Journal of thrombosis and haemostasis : JTH · 2023
    Article
  11. Article
  12. Article
  13. Article
  14. Article
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

16 authors at 2 institutions in 1 country.

Liron ElkoubyThe Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Colket Translational Research Building, Rm 5020, Philadelphia, PA 19104, USA.
Sean M ArmourSpark Therapeutics, Inc., Philadelphia, PA, USA.
Raffaella TosoSpark Therapeutics, Inc., Philadelphia, PA, USA.
Marti DiPietroSpark Therapeutics, Inc., Philadelphia, PA, USA.
Robert J DavidsonThe Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Colket Translational Research Building, Rm 5020, Philadelphia, PA 19104, USA.
Giang N NguyenThe Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Colket Translational Research Building, Rm 5020, Philadelphia, PA 19104, USA.
Mallory WilletSpark Therapeutics, Inc., Philadelphia, PA, USA.
Stephanie KutzaSpark Therapeutics, Inc., Philadelphia, PA, USA.
Joseph SilverbergSpark Therapeutics, Inc., Philadelphia, PA, USA.
Jennifer FrickSpark Therapeutics, Inc., Philadelphia, PA, USA.
Marco CrosariolSpark Therapeutics, Inc., Philadelphia, PA, USA.
Yuhuan WangSpark Therapeutics, Inc., Philadelphia, PA, USA.
Chuansong WangSpark Therapeutics, Inc., Philadelphia, PA, USA.
Katherine A HighSpark Therapeutics, Inc., Philadelphia, PA, USA.
Denise E SabatinoThe Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Colket Translational Research Building, Rm 5020, Philadelphia, PA 19104, USA.
Xavier M AnguelaSpark Therapeutics, Inc., Philadelphia, PA, USA.
Spark Therapeutics (United States) · USChildren's Hospital of Philadelphia · US

Funding

Novel factor VIII variants for improved efficacy in gene therapy for hemophilia AR01HL126850 · NHLBI · CHILDREN'S HOSP OF PHILADELPHIA · PI SABATINO, DENISE E · 2016 to 2020
$2.1M
NHLBI NIH HHS R01 HL126850
6 · The paper itself

Abstract

Extensive clinical data from liver-mediated gene therapy trials have shown that dose-dependent immune responses against the vector capsid may impair or even preclude transgene expression if not managed successfully with prompt immune suppression. The goal of this preclinical study was to generate an adeno-associated viral (AAV) vector capable of expressing therapeutic levels of B-domain deleted factor VIII (FVIII) at the lowest possible vector dose to minimize the potential Risk of a capsid-mediated immune response in the clinical setting. Here, we describe the studies that identified the investigational agent

Indexed as

AAVcodon optimizationhemophilia Alow AAV doseoptimized vectorspreclinical development

Identifiers

PMID34977269
PMCPMC8666598
OpenAlexW3216123748

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.