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Clinical Trial Summary

To establish baseline prospective efficacy data of current FIX prophylaxis replacement therapy in the usual care setting of hemophilia B subjects, who are negative for nAb to AAV-Spark100, prior to the Phase 3 gene therapy study. To establish baseline prospective efficacy data of current FVIII prophylaxis replacement therapy in the usual care setting of hemophilia A subjects, who are negative for nAb to AAV6, prior to the Phase 3 gene therapy study. The enrollment for hemophilia A participants is completed. At this time participants are only being enrolled for hemophilia B cohort.


Clinical Trial Description

AN OPEN-LABEL, NON-INVESTIGATIONAL PRODUCT, MULTI-CENTER, LEAD-IN STUDY TO EVALUATE PROSPECTIVE EFFICACY AND SELECTED SAFETY DATA OF CURRENT FACTOR IX (FIX) OR FACTOR VIII (FVIII) PROPHYLAXIS REPLACEMENT THERAPY IN THE USUAL CARE SETTING OF MODERATELY SEVERE TO SEVERE ADULT HEMOPHILIA B SUBJECTS (FIX:C≤2%) WHO ARE NEGATIVE FOR NEUTRALIZING ANTIBODIES TO ADENO-ASSOCIATED VIRUS VECTOR-SPARK100 (BENEGENE-1) AND MODERATELY SEVERE TO SEVERE HEMOPHILIA A ADULT SUBJECTS (FVIII:C≤1%) WHO ARE NEGATIVE FOR NEUTRALIZING ANTIBODIES TO ADENO-ASSOCIATED VIRUS VECTOR 6 (AAV6), PRIOR TO THE RESPECTIVE THERAPEUTIC PHASE 3 GENE THERAPY STUDIES ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03587116
Study type Interventional
Source Pfizer
Contact
Status Active, not recruiting
Phase Phase 3
Start date July 26, 2018
Completion date July 26, 2024

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