How to discuss gene therapy for haemophilia? A patient and physician perspective

  • Gene therapy has the potential to revolutionise treatment for patients with haemophilia and is close to entering clinical practice. While factor concentrates have improved outcomes, individuals still face a lifetime of injections, pain, progressive joint damage, the potential for inhibitor development and impaired quality of life. Recently published studies in adeno‐associated viral (AAV) vector‐mediated gene therapy have demonstrated improvement in endogenous factor levels over sustained periods, significant reduction in annualised bleed rates, lower exogenous factor usage and thus far a positive safety profile. In making the shared decision to proceed with gene therapy for haemophilia, physicians should make it clear that research is ongoing and that there are remaining evidence gaps, such as long‐term safety profiles and duration of treatment effect. The eligibility criteria for gene therapy trials mean that key patient groups may be excluded, eg children/adolescents, those with liver or kidney dysfunction and those with a prior history of factor inhibitors or pre‐existing neutralising AAV antibodies. Gene therapy offers a life‐changing opportunity for patients to reduce their bleeding risk while also reducing or abrogating the need for exogenous factor administration. Given the expanding evidence base, both physicians and patients will need sources of clear and reliable information to be able to discuss and judge the risks and benefits of treatment.

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Author:Wolfgang MiesbachORCiDGND, Brian O’Mahony, Nigel S. Key, Mike Makris
Parent Title (English):Haemophilia
Document Type:Article
Date of Publication (online):2019/05/21
Date of first Publication:2019/05/21
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2020/02/20
Tag:adeno‐associated virus; factor IX; factor VIII; gene therapy; haemophilia
Page Number:13
First Page:545
Last Page:557
Institutes:Medizin / Medizin
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit
Serial Number:10.1111/hae.13769
Licence (German):License LogoCreative Commons - Namensnennung 4.0