A Study Investigating Treatment Factor X in People With Factor X Deficiency


Bio Products Laboratory

Status and phase

Phase 3


Factor X Deficiency


Biological: Human Coagulation FACTOR X

Study type


Funder types




Details and patient eligibility


The main objective of the study is to assess the pharmacokinetics of FACTOR X after a single dose of 25IU/kg. The secondary objectives of the study are to assess efficacy and safety of FACTOR X in the treatment of bleeding episodes over at least 6 months.


16 patients




12+ years old


No Healthy Volunteers

Inclusion criteria

  • Written informed consent given, or for subjects aged 12-17 years, have given written assent and whose parent/guardian has given written informed consent
  • At least 12 years of age at dtae of written informed consent
  • Have hereditary severe or moderate FX deficiency
  • Currently treated with Fresh Frozen Plasma FFP, Prothrombin Complex Concentrate PCC or factor IX/X concentrate
  • Must have a minimum of one spontaneous or menorrhagic bleed in the last 12 months which required treatment of FFP, PCC or factor IX/X concentrate. Newly diagnosed subjects who present at the hospital with a bleed may be included
  • Must have had at least 7 days, and ideally 10-14 days, since an infusion of either FFP, PCC or factor IX/X concentrate at Baseline Visit
  • Females of child bearing potential must have a negative result on a HCG based pregnancy test. If they are or become sexually active, they must practise contraception by using a method of proven reliability for the duration of the study

Exclusion criteria

  • Have a history of inhibitor development to FX or a positive result at the Screening Visit
  • Bleeding at the appointment for the PK assessment
  • Subjects who have thrombocytopenia
  • Have clinically significant liver disease
  • Known to have other coagulopathy or thrombophilia
  • Have known or suspected hypersensitivity to the investigational medicinal product or its excipients
  • Have abused chemicals or drugs within the past 12 months
  • Have a history of unreliability or non-cooperation
  • Participating or have taken part in another trial within the last 30 days, with the exception of BPL FX surgery study - Protocol Ten03. In such cases, subjects should have completed their End of Study Visit either before or on the day of Screening Visit for this study
  • Female subjects who are pregnant or lactating
  • Subjects planning greater than 4 weeks absence from the locality of the Investigational site, between the screening visit and the repeat PK assessment

Trial design

Primary purpose




Interventional model

Single Group Assignment


None (Open label)

16 participants in 1 patient group

Human Coagulation FACTOR X
Experimental group
Biological: Human Coagulation FACTOR X

Trial contacts and locations



Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location


© Copyright 2024 Veeva Systems