Study Evaluating On-Demand Treatment Of Xyntha In Chinese Subjects

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NCT00868530

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Study Location
Pfizer Investigational Site
Suzhou, Jiangsu, 215006, China
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Contact
1-800-718-1021
[email protected]
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FOR MORE INFORMATION

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

By phone

Pfizer Clinical Trials Contact Center

1-800-718-1021

By email

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[email protected]

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Eligibility Criteria
condition
The disease, disorder, syndrome, illness, or injury that is being studied.
Hemophilia A
Sex
Females and Males
Age
Pediatric Trials: 0-17 Years
Adult Trials: 18+ Years
6 + years
Inclusion Criteria
The factors, or reasons, that allow a person to participate in a clinical study.
Show details

- Subjects equal or more than 6 years of age with mild, moderate or severe hemophilia A (FVIII activity: more than 5%, 1-5%, or less than 1%, respectively)

- Subjects with previous exposure to FVIII replacement therapy

- If human immunodeficiency virus (HIV) positive, documented cluster of differentiation (CD4) count more than 200/µL within 6 months of study entry

Exclusion Criteria
The factors, or reasons, that prevent a person from participating in a clinical study.
Show details


- Diagnosed with any bleeding disorder in addition to hemophilia A


- Current FVIII inhibitor or history of FVIII inhibitor (defined as positive result of
the reporting laboratory)


- Subject has no history of exposure to FVIII products (previously untreated patient
[PUP])


- Subject is currently utilizing primary FVIII prophylaxis


- Subjects anticipating elective surgery that may be planned to occur in the 6 months
following study entry


- Treated with immunomodulatory therapy within 30 days prior to study entry or planned
use for the duration of their study participation


- Participated in another investigational drug or device study within 30 days prior to
study entry or planned participation for the duration of their study participation


- Subjects with a known hypersensitivity to hamster protein


- Significant hepatic or renal impairment (alanine aminotransferase [ALT] and aspartate
aminotransferase [AST] >5 x upper limit of normal [ULN], bilirubin >2 mg/dL or serum
creatinine >1.25 x ULN)


- Prothrombin Time >1.5 x ULN


- Platelet count <80,000 / µL


- Pregnant or breastfeeding women


- Unwilling or unable to follow the terms of the protocol


- Any condition which may compromise the subject's ability to comply with and/or perform
study-related activities or that poses a clinical contraindication to study
participation, in the opinion of the Investigator or Sponsor

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Questions about a trial? Call or email to reach a Pfizer Clinical Trial Contact Center Representative

Pfizer Clinical Trials Contact Center

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Advanced Information
Descriptive Information
Brief Title  ICMJE Study Evaluating On-Demand Treatment Of Xyntha In Chinese Subjects
Official Title  ICMJE An Evaluation Of The Safety And Efficacy Of On-Demand Treatment With Xyntha (B Domain Deleted Recombinant Factor VIII, Albumin Free) In Chinese Subjects With Hemophilia A
Brief Summary This study will evaluate the safety and efficacy of on-demand treatment with Xyntha in Chinese hemophilia A subjects.
Detailed Description Not Provided
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 3
Study Design  ICMJE Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Condition  ICMJE Hemophilia A
Intervention  ICMJE Biological: Xyntha
Xyntha for on-demand treatment of bleeding episodes were according to investigator prescription during the 6 months observation period. The recovery assessed by determining the Factor VIII (FVIII) concentration (FVIII:C) levels in individual subjects at the initial and final visits. The dose of Xyntha for recovery assessments is: single 50 IU/kg (±5 IU/kg) IV bolus infusion. All Xyntha administrations occurred in the clinic (hospital).
Study Arms  ICMJE Experimental: Xyntha
This trial was an open-label and included assessments of safety, clinical efficacy, and Factor VIII (FVIII) recovery in Chinese subjects with hemophilia A. Subjects received on-demand treatments with Xyntha over a 6-month (calendar day) period.
Intervention: Biological: Xyntha
Publications * Yang R, Zhao Y, Wang X, Sun J, Wu R, Jin C, Jin J, Wu D, Rendo P, Sun F, Rupon J, Huard F, Korth-Bradley JM, Xu L, Luo B, Liu YC. Safety and Efficacy of Moroctocog Alfa (AF-CC) in Chinese Patients with Hemophilia A: Results of Two Open-Label Studies. J Blood Med. 2020 Nov 25;11:439-448. doi: 10.2147/JBM.S241605. eCollection 2020.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Completed
Actual Enrollment  ICMJE
 (submitted: November 5, 2010)		53
Original Estimated Enrollment  ICMJE
 (submitted: March 23, 2009)		50
Actual Study Completion Date  ICMJE December 2009
Actual Primary Completion Date December 2009   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Subjects equal or more than 6 years of age with mild, moderate or severe hemophilia A (FVIII activity: more than 5%, 1-5%, or less than 1%, respectively)
  • Subjects with previous exposure to FVIII replacement therapy
  • If human immunodeficiency virus (HIV) positive, documented cluster of differentiation (CD4) count more than 200/µL within 6 months of study entry

Exclusion Criteria:

  • Diagnosed with any bleeding disorder in addition to hemophilia A
  • Current FVIII inhibitor or history of FVIII inhibitor (defined as positive result of the reporting laboratory)
  • Subject has no history of exposure to FVIII products (previously untreated patient [PUP])
  • Subject is currently utilizing primary FVIII prophylaxis
  • Subjects anticipating elective surgery that may be planned to occur in the 6 months following study entry
  • Treated with immunomodulatory therapy within 30 days prior to study entry or planned use for the duration of their study participation
  • Participated in another investigational drug or device study within 30 days prior to study entry or planned participation for the duration of their study participation
  • Subjects with a known hypersensitivity to hamster protein
  • Significant hepatic or renal impairment (alanine aminotransferase [ALT] and aspartate aminotransferase [AST] >5 x upper limit of normal [ULN], bilirubin >2 mg/dL or serum creatinine >1.25 x ULN)
  • Prothrombin Time >1.5 x ULN
  • Platelet count <80,000 / µL
  • Pregnant or breastfeeding women
  • Unwilling or unable to follow the terms of the protocol
  • Any condition which may compromise the subject's ability to comply with and/or perform study-related activities or that poses a clinical contraindication to study participation, in the opinion of the Investigator or Sponsor
Sex/Gender  ICMJE
Sexes Eligible for Study:All
Ages  ICMJE 6 Years and older   (Child, Adult, Older Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE China
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT00868530
Other Study ID Numbers  ICMJE 3082B2-3316
B1831015
Has Data Monitoring Committee No
U.S. FDA-regulated Product Not Provided
IPD Sharing Statement  ICMJE Not Provided
Responsible Party Pfizer
Study Sponsor  ICMJE Pfizer
Collaborators  ICMJE Not Provided
Investigators  ICMJE
Study Director:Pfizer CT.gov Call CenterPfizer
PRS Account Pfizer
Verification Date March 2017

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP