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Pfizer has begun early work on a phase 3 study of an investigational gene therapy to treat hemophilia B.

Pfizer, along with Spark Therapeutics, launched a phase 3 lead-in study at multiple centers to evaluate the efficacy and safety of current factor IX prophylaxis replacement therapy in the usual care setting. The efficacy data from the lead-in study will become the within-subject control group for patients who enroll in the next part of the phase 3 study, which will evaluate fidanacogene elaparvovec (formerly SPK-9001) for the treatment of hemophilia B.



Fidanacogene elaparvovec is a vector containing a bioengineered adeno-associated virus capsid and a high-activity human coagulation factor IX gene. In an ongoing phase 1/2 trial of fidanacogene elaparvovec, all 15 participants with hemophilia B were able to discontinue routine infusion of factor IX concentrates without serious adverse events, according to data released by Pfizer and Spark Therapeutics in May 2018.

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Pfizer has begun early work on a phase 3 study of an investigational gene therapy to treat hemophilia B.

Pfizer, along with Spark Therapeutics, launched a phase 3 lead-in study at multiple centers to evaluate the efficacy and safety of current factor IX prophylaxis replacement therapy in the usual care setting. The efficacy data from the lead-in study will become the within-subject control group for patients who enroll in the next part of the phase 3 study, which will evaluate fidanacogene elaparvovec (formerly SPK-9001) for the treatment of hemophilia B.



Fidanacogene elaparvovec is a vector containing a bioengineered adeno-associated virus capsid and a high-activity human coagulation factor IX gene. In an ongoing phase 1/2 trial of fidanacogene elaparvovec, all 15 participants with hemophilia B were able to discontinue routine infusion of factor IX concentrates without serious adverse events, according to data released by Pfizer and Spark Therapeutics in May 2018.

 

Pfizer has begun early work on a phase 3 study of an investigational gene therapy to treat hemophilia B.

Pfizer, along with Spark Therapeutics, launched a phase 3 lead-in study at multiple centers to evaluate the efficacy and safety of current factor IX prophylaxis replacement therapy in the usual care setting. The efficacy data from the lead-in study will become the within-subject control group for patients who enroll in the next part of the phase 3 study, which will evaluate fidanacogene elaparvovec (formerly SPK-9001) for the treatment of hemophilia B.



Fidanacogene elaparvovec is a vector containing a bioengineered adeno-associated virus capsid and a high-activity human coagulation factor IX gene. In an ongoing phase 1/2 trial of fidanacogene elaparvovec, all 15 participants with hemophilia B were able to discontinue routine infusion of factor IX concentrates without serious adverse events, according to data released by Pfizer and Spark Therapeutics in May 2018.

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