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Understanding Hemophilia A and B Drug Dosage Administration Patterns

Last updated on October 11, 2019

FOR MORE INFORMATION
Study Location
University of Florida College of Medicine
Gainesville, Florida, 32610 United States
Contact
1-800-718-1021
Eligibility criteria
Condition
The disease, disorder, syndrome, illness, or injury that is being studied.
Hemophilia A, Hemophilia B
Sex
Females and Males
Age
Pediatric Trials: 0-17 Years
Adult Trials: 18+ Years
0 +
Inclusion criteria
The factors, or reasons, that allow a person to participate in a clinical study.
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Exclusion criteria
The factors, or reasons, that prevent a person from participating in a clinical study.
Show details

- Female with hemophilia A or B

- Mild Haemophilia A or B

NCT03248141
Pfizer
Active, not recruiting
Understanding Hemophilia A and B Drug Dosage Administration Patterns

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Descriptive Information
Brief TitleUnderstanding Hemophilia A and B Drug Dosage Administration Patterns
Official TitleUNDERSTANDING HEMOPHILIA A AND B DRUG DOSAGE ADMINISTRATION PATTERNS
Brief Summary

Study Design

A prospective observational, cross-sectional epidemiological study in U.S. site-based clinical practice settings.

30 sites will enroll approximately 300 patients

Participating patients - or their caregiver in the case of patients under the age of 18 - will be consented to participate.

Physicians complete a retrospective chart review on each enrolled patient.

Patients will complete a one-time study questionnaire.

Detailed DescriptionStudy recruitment was stopped due to difficulty in enrolling the targeted number of patients on March 21, 2018. Subjects currently enrolled into the study have completed the study as per protocol. There were no safety concerns involved in the decision to stop enrollment.
Study TypeObservational
Study DesignObservational Model: Cohort
Time Perspective: Other
Target Follow-Up DurationNot Provided
BiospecimenNot Provided
Sampling MethodNon-Probability Sample
Study PopulationPatients diagnosed with either hemophilia A or B who present for a routine Clinical visit will be asked to participate in the study by the treating physician at participating hemophilia treatment centers in the United States of America.
Condition
  • Hemophilia A
  • Hemophilia B
Intervention
  • Drug: Hemophilia B standard half-life
    Benefix
  • Drug: Hemophilia B extended half-life
    Alprolix
  • Drug: Hemophilia A standard half-life
    Xyntha and other standard half-life agents
  • Drug: Hemophilia A extended half-life
    Eloctate and Adynovate
Study Groups/Cohorts
  • Hemophilia B
    real world administration patterns and resource utilization implications
    Interventions:
    • Drug: Hemophilia B standard half-life
    • Drug: Hemophilia B extended half-life
  • Hemophilia A
    real world administration patterns and resource utilization implications
    Interventions:
    • Drug: Hemophilia A standard half-life
    • Drug: Hemophilia A extended half-life
Publications *Not Provided


*   Includes publications given by the data provider as well as publications
identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment StatusTerminated
Actual Enrollment
 (submitted: February 22, 2019)
11
Original Estimated Enrollment
 (submitted: August 9, 2017)
300
Actual Study Completion DateMarch 14, 2018
Actual Primary Completion DateMarch 14, 2018   (Final data collection date for primary outcome measure)
Eligibility Criteria

Physician/Clinician Participants:

  • Must be a healthcare provider
  • Currently manages at least 10 hemophilia A and/or B patients

Patient Participants:

  • Willing and able to provide informed consent
  • Diagnosed with hemophilia A or B
  • Current disease severity is either moderately severe or severe with a clotting factor level of ?5%
  • If suffering from hemophilia A, must be currently taking moroctocog alfa (or another standard half-life treatment), rurioctocog alfa or efraloctocog alfa for at least six months.

(If currently taking rurioctocog alfa or efraloctocog alfa, must have been switched from a standard half-life treatment and had been on that prior treatment for at least six months).

  • If suffering from hemophilia B, must be currently taking nonacog alfa or eftrenonacog alfa for at least six months (If currently taking eftrenonacog alfa, must have switched from nonacog alfa and had been on that prior treatment for at least six months).
  • Infuse at least 3 times per month

Exclusion criteria:

  • Female with hemophilia A or B
  • Mild Haemophilia A or B
Sex/Gender
Sexes Eligible for Study:All
AgesChild, Adult, Older Adult
Accepts Healthy VolunteersNo
ContactsContact information is only displayed when the study is recruiting subjects
Listed Location CountriesUnited States
Removed Location Countries  
 
Administrative Information
NCT NumberNCT03248141
Other Study ID NumbersB1821056
HEMOBAFS ( Other Identifier: Alias Study Number )
Has Data Monitoring CommitteeNo
U.S. FDA-regulated Product
Studies a U.S. FDA-regulated Drug Product:Yes
Studies a U.S. FDA-regulated Device Product:No
Product Manufactured in and Exported from the U.S.:No
IPD Sharing Statement
Plan to Share IPD:No
Plan Description:Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical_trials/trial_data_and_results/da....
Responsible PartyPfizer
Study SponsorPfizer
CollaboratorsNot Provided
Investigators
Study Director:Pfizer CT.gov Call CenterPfizer
PRS AccountPfizer
Verification DateFebruary 2019

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Contact a representative by phone, email, or visiting the study website. Please see the references below:

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Pfizer Clinical Trials Contact Center

1-800-718-1021

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