Hemophilia A Clinical Trial
Official title:
A PHASE 1/2, OPEN-LABEL, ADAPTIVE, DOSE-RANGING STUDY TO ASSESS THE SAFETY AND TOLERABILITY OF SB-525 (PF-07055480) (RECOMBINANT AAV2/6 HUMAN FACTOR 8 GENE THERAPY) IN ADULT SUBJECTS WITH SEVERE HEMOPHILIA A
The purpose of the study is to evaluate the safety, tolerability and time-course profile of FVIII activity after dosing with SB-525 (PF-07055480)
The proposed clinical study uses a recombinant adeno-associated virus 2/6 (AAV2/6) vector encoding the cDNA for the B-domain deleted human F8 (hF8). The secreted FVIII has the same amino acid sequence as approved recombinant anti hemophilic factors (Refacto® and Xyntha®). The SB-525 (PF-07055480) vector encodes a liver-specific promotor module and AAV2/6 exhibits liver tropism, thus providing the potential for long-term hepatic production of FVIII in hemophilia A subjects. The constant production of FVIII after a single SB-525 (PF-07055480) administration may provide potential benefit in durable protection against bleeding and the complications thereof without lifelong repetitive IV factor replacement administration. ;
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