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NCT06634836
Patient Interview Study to Explore the Impact of Gene Therapy in Hemophilia A & B
trial in Hemophilia A. Withdrawn.
31 December 2025
Quick facts
| Lead sponsor | Pfizer |
|---|---|
| Status | Withdrawn |
| Study type | OBSERVATIONAL |
| Start date | 17 March 2025 |
| Primary completion | 31 December 2025 |
| Estimated completion | 31 December 2025 |
Conditions studied
- Hemophilia A — all drugs for Hemophilia A →
- Hemophilia B — all drugs for Hemophilia B →
Sponsor
Pfizer — full company profile →
Who can join
Adults 18 to 85, male only, with Hemophilia A or Hemophilia B. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
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.
Publications & conference data
No peer-reviewed publications indexed yet for this trial.
Verify or expand the search:
- PubMed search for NCT06634836
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other recruiting trials for Hemophilia A
Currently open trials in the same condition.
- NCT07416526 — A Clinical Study to Evaluate the Effects of NXT007 Compared to Factor VIII Prophylaxis in Participants With Hemophilia A · Phase 3 · recruiting
- NCT07416604 — A Clinical Study to Evaluate the Effects of NXT007 Compared to Emicizumab Prophylaxis in People With Hemophilia A · Phase 3 · recruiting
- NCT07523399 — Joint Health, Balance and Quality of Life in Adults With Hemophilia A · recruiting
- NCT06833983 — To Evaluate the Clinical Study of GS1191-0445 Injection in the Treatment of Hemophilia A · Phase 3 · recruiting
- NCT06579144 — Pharmacokinetic Comparison of Efanesoctocog Alfa vs Other EHL-rFVIII Products in Participants With Severe Haemophilia A · Phase 1 · recruiting
Other Pfizer trials
Trials by the same sponsor.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT06634836 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Pfizer
- Last refreshed: 29 August 2025
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT06634836.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing