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Terminated Phase 1 Interventional

Hemophilia B Gene Therapy With AAV8 Vector

ClinicalTrials.gov ID: NCT01620801

Public ClinicalTrials.gov record NCT01620801. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 5:53 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1 Safety Study in Subjects With Severe Hemophilia B (Factor IX Deficiency) Using a Single-Stranded, Adeno-Associated Pseudotype 8 Viral Vector to Deliver the Gene for Human Factor IX

Study identification

NCT ID
NCT01620801
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1
Lead sponsor
Spark Therapeutics, Inc.
Industry
Enrollment
4 participants

Conditions and interventions

Conditions

Interventions

  • AAV8-hFIX19 Biological

Biological

Eligibility (public fields only)

Age range
18 Years and older
Sex
Male
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 30, 2012
Primary completion
Feb 29, 2016
Completion
Feb 29, 2016
Last update posted
Mar 11, 2019

2012 – 2016

United States locations

U.S. sites
2
U.S. states
1
U.S. cities
2
Facility City State ZIP Site status
The Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104
University of Pittsburgh Pittsburgh Pennsylvania 15213

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01620801, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 11, 2019 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01620801 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →