Evidence map›Paper›PMID 39655790›Full record

ArticleThe New England journal of medicine2025

Lentiviral Gene Therapy with CD34+ Hematopoietic Cells for Hemophilia A.

Alok Srivastava, Aby Abraham, Fouzia Aboobacker, Gurbind Singh, Tulasi Geevar, Uday Kulkarni, Sushil Selvarajan, Anu Korula, Rutvi Gautam Dave, Mohana Shankar and 13 more

Registry-linked trialAbstract readClinical Trial, Phase I
In one paragraph

Article in The New England journal of medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05265767 (Gene Therapy for Hemophilia A With a High Expression Factor VIII Transgene in Autologous Hematopoietic Stem Cells), which is not on this map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing 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.

NCT05265767 phase1completednot on this map

Gene Therapy for Hemophilia A With a High Expression Factor VIII Transgene in Autologous Hematopoietic Stem Cells

TypeinterventionalSponsorChristian Medical College, Vellore, IndiaRan2022 to 2024Enrolled6ConditionsHemophilia AArmsAuto CD34+PBSC transduced with a lentiviral vector encoding a novel coagulation factor VIII transgene
3 · Its place in the literature

Who cites it

37 citing papers in PubMed.

  1. Article
  2. Continuum of Care for Hemophilia: The Story of India.Indian journal of pediatrics · 2026
    Review
  3. Review
  4. Review
  5. Review
  6. Review
  7. Article
  8. Review
  9. Humanized mice enableMolecular therapy. Advances · 2026
    Article
  10. Review
  11. Article
  12. Review
  13. Advancements in CRISPR-basedFrontiers in genome editing · 2026
    Review
  14. Review
  15. Review
  16. Review
  17. Deconstructing gene therapy in hemophilia for the clinician.Hematology. American Society of Hematology. Education Program · 2025
    Review
  18. Article
  19. Review
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

23 authors.

Alok SrivastavaFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Aby AbrahamFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Fouzia AboobackerFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Gurbind SinghFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Tulasi GeevarFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Uday KulkarniFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).ORCID 0000-0003-2230-2424
Sushil SelvarajanFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Anu KorulaFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Rutvi Gautam DaveFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Mohana ShankarFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Abraham S SinghFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Anbu JebaFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Navien KumaarFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Christopher BenjaminFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Kavitha M LakshmiFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Vivi Miriam SrivastavaFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Ramachandran V ShajiFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Sukesh C NairFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Harrison C BrownFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Gabriela DenningFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Pete LollarFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Christopher B DoeringFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).
Trent SpencerFrom the Department of Hematology, Christian Medical College Vellore, Ranipet Campus, Vellore, India (A.S., A.A., F.A., U.K., S.S., A.K., A.S.S., A.J., N.K., C.B., K.M.L., R.V.S.); Center for Stem Cell Research Unit of inStem, Bengaluru, Christian Medical College Vellore, Vellore, India (A.S., G.S., M.S., R.V.S.); the Department of Immunohematology and Transfusion Medicine, Christian Medical College Vellore, Town Campus, Vellore, India (T.G., R.G.D., S.C.N.); the Department of Cytogenetics, Christian Medical College Vellore, Vellore, India (V.M.S.); Expression Therapeutics, Tucker, GA (H.C.B., G.D., P.L., C.B.D., T.S.); and Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta (P.L., C.B.D., T.S.).

Funding

Translational Research SkillsU54HL112309 · NHLBI · EMORY UNIVERSITY · PI LOLLAR, JOHN S. · 2012 to 2016
$12.1M
STRUCTURE/FUNCTION OF THE FACTOR VIII VWF COMPLEXR01HL040921 · NHLBI · UNIVERSITY OF VERMONT &ST AGRIC COLLEGE · PI LOLLAR, JOHN S. · 1988 to 2010
$2.5M
Bioengineered factor VIII gene therapy for hemophilia AR44HL114241 · NHLBI · EXPRESSION THERAPEUTICS · PI DENNING, GABRIELA, DOERING, CHRISTOPHER BRADLEY · 2014 to 2015
$1.5M
Ancestral Sequence Reconstruction Engineering of Coagulation FactorsR01HL137128 · NHLBI · EMORY UNIVERSITY · PI DOERING, CHRISTOPHER BRADLEY, SPENCER, H TRENT · 2017 to 2019
$1.1M
Bioengineering Factor VIII through Ancestral ReconstructionR56HL131059 · NHLBI · EMORY UNIVERSITY · PI DOERING, CHRISTOPHER BRADLEY, SPENCER, H TRENT · 2016 to 2016
$385k
Bioengineered factor VIII gene therapy for hemophilia AR43HL114241 · NHLBI · EXPRESSION THERAPEUTICS · PI DENNING, GABRIELA, DOERING, CHRISTOPHER BRADLEY · 2012 to 2012
$378k
Department of Biotechnology, Ministry of Science and Technology, India BT/PR17316/MED/31/326/2015Hemophilia of Georgia 107993NHLBI NIH HHS HL112309, HL131059, HL137128, HL 114241NHLBI NIH HHS R01 HL040921NHLBI NIH HHS R01 HL137128NHLBI NIH HHS R43 HL114241NHLBI NIH HHS R44 HL114241NHLBI NIH HHS R56 HL131059NHLBI NIH HHS U54 HL112309
6 · The paper itself

Abstract

backgroundSevere hemophilia A is managed with factor VIII replacement or hemostatic products that stop or prevent bleeding. Data on gene therapy with hematopoietic stem-cell (HSC)-based expression of factor VIII for the treatment of severe hemophilia A are lacking.

methodsWe conducted a single-center study involving five participants 22 to 41 years of age with severe hemophilia A without factor VIII inhibitors. Autologous HSCs were transduced with CD68-ET3-LV - a lentiviral vector including a new

resultsParticipants received CD68-ET3-LV-transduced autologous CD34+ HSCs at doses of 5.0×10

conclusionsGene therapy for hemophilia A with the use of lentiviral vector-transduced autologous HSCs resulted in stable factor VIII expression, with factor VIII activity correlating to vector copy number in the peripheral blood. (Funded by the Ministry of Science and Technology, Government of India, and others; ClinicalTrials.gov number, NCT05265767; Clinical Trials Registry-India number, CTRI/2022/03/041304.).

Indexed as

Factor VIIIGenetic TherapyHematopoietic Stem Cell TransplantationHemophilia AHemorrhageAdultAntigens, CD34Follow-Up StudiesGenetic VectorsHematopoietic Stem CellsHumansLentivirusMaleTransduction, GeneticTransgenesTransplantation, AutologousAntigens, CD34Factor VIII

Identifiers

PMID39655790
PMCPMC11875532

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