NCT06634836

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

In-trial Qualitative Interviews to Explore the Impact of Gene Therapy in Hemophilia A & B

• Status: Withdrawn
• Phase: —
• Study type: Observational
• Enrollment: 0 (actual)
• Sponsor: Pfizer · Industry
• Sex: Male
• Age: 18 Years – 85 Years
• Healthy volunteers: Not accepted

Summary

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.

Conditions

• Hemophilia A
• Hemophilia B

Timeline

• Start date: 2025-03-17
• Primary completion: 2025-12-31
• Completion: 2025-12-31
• First posted: 2024-10-10
• Last updated: 2025-08-29