Liver Biopsy In Haemophilia Gene Therapy
University College, London
10 participants
Aug 5, 2022
INTERVENTIONAL
Conditions
Summary
To perform a liver biopsy in haemophilia A and B patients with endogenous FVIII:C/FIX:C expression at \>1% any time after gene transfer following AAV mediated gene transfer. This is to obtain tissue for analysis, to understand if FIX/FVIII transgenic protein expression is mediated by AAV proviral DNA that is integrated into the host cell DNA or if stable expression in humans is mediated by episomal maintained AAV genome.
Eligibility
Plain Language Summary
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Interventions
The study population is patients with either haemophilia A or B who have previously been administered gene therapy treatment in one of three specific gene therapy clinical trials. In this study they will have a liver biopsy performed to take up to 3 samples for laboratory analysis.
Locations(1)
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NCT04817462