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Patient Interview Study to Explore the Impact of Gene Therapy in Hemophilia A & B
Patient Interview Study to Explore the Impact of Gene Therapy in Hemophilia A & B

NCT06634836

WithdrawnN/A

Sponsor: Pfizer

Conditions: Hemophilia A, Hemophilia B

The purpose of this study is to learn about experiences of patients with hemophilia A and B after taking gene therapy. The experiences of patients will be studied through online interviews. This study is seeking participants who are: * part of the Pfizer's gene therapy clinical studies or * in the long-term follow up for these clinical programs. Participants will have one study visit at the clinic and one online interview. The planned duration for each participant will be 1 to 2 months. This covers the time from entering the study to end of the online interview.

Eligibility overview

Sex: MALE

Age: 18 Years to 85 Years

Healthy volunteers: No

Study type: OBSERVATIONAL

Eligibility criteria
Inclusion Criteria:

* Participation in the Pfizer's gene therapy clinical trials for Hemophilia A or B .
* Participants will be one year or more post-gene therapy
* Participants will be willing to provide written consent and will be willing to comply with the study requirements

Exclusion Criteria:

-No exclusion criteria