Study to Describe the Allergic Reactions to Factor IX in Patients With Hemophilia B
Public ClinicalTrials.gov record NCT00195221. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Retrospective Study to Describe the Incidence of Moderate to Severe Allergic Reactions to Factor IX in Patients With Hemophilia B
Study identification
- NCT ID
- NCT00195221
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
- Industry
- Enrollment
- 166 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- Not listed
- Sex
- All
- 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
- Jan 31, 2005
- Primary completion
- Not listed
- Completion
- Oct 31, 2007
- Last update posted
- Dec 4, 2007
2005 – 2007
United States locations
- U.S. sites
- 15
- U.S. states
- 14
- U.S. cities
- 15
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Phoenix | Arizona | 85016 | — |
| Not listed | Orange | California | 92868 | — |
| Not listed | Atlanta | Georgia | 30322 | — |
| Not listed | Boise | Idaho | 83712 | — |
| Not listed | Peoria | Illinois | 61614 | — |
| Not listed | Iowa City | Iowa | 52242 | — |
| Not listed | East Lansing | Michigan | 48823 | — |
| Not listed | Rochester | Minnesota | 55905 | — |
| Not listed | New Brunswick | New Jersey | 08903 | — |
| Not listed | Dayton | Ohio | 45404-1815 | — |
| Not listed | Philadelphia | Pennsylvania | 19104 | — |
| Not listed | Memphis | Tennessee | 38105 | — |
| Not listed | Fort Worth | Texas | 76104 | — |
| Not listed | San Antonio | Texas | 78207 | — |
| Not listed | Seattle | Washington | 98105 | — |
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 23 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00195221, 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 Dec 4, 2007 · Synced Jul 21, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00195221 live on ClinicalTrials.gov.