Am I Eligible?

If you wish to take part in the Honey-B study, complete the questionnaire below to see if you may qualify.

You may qualify if you:

  • Are male (16 years old or older)
  • Have moderately severe to severe haemophilia B or have a documented genotype known to produce severe haemophilia B
  • Have previous experience with FIX therapy with a current stable FIX prophylaxis regimen
  • Are willing to be contacted for the opportunity to participate in a potential future clinical trial testing an investigational treatment

You may not qualify if you:

  • Take medications to stop your blood from clotting
  • Are positive for hepatitis B surface antigen (HBsAg) at the screening visit
    Note: evidence of prior hepatitis B immunisation or prior resolved hepatitis B infection is not an exclusion
  • Are positive for hepatitis C virus (HCV) qualitative (ie, detected or not detected) by HCV RNA at screening visit
  • Have HIV with CD4+ cell count ≤ 200mm3 within the last 12 months or are taking efavirenz as part of your antiretroviral regimen3
  • Have pre-existing significant liver disease (for example, you have a diagnosis of cholestatic liver disease, liver cirrhosis, portal hypertension, splenomegaly or hepatic encephalopathy)
  • There are other requirements to participate in the Honey-B study. If you are interested in participating and provide your informed consent, the study team will first collect a blood sample to evaluate if you can be fully screened for this study. Then, at a subsequent visit, a full medical examination along with other tests and procedures will be performed to see if you may qualify for this study. If you have other questions, share this website with your doctor to discuss this study.

Pre-screening questionnaire

You can see if you meet some of the requirements by completing the questionnaire below. Just answer either 'yes' or 'no' to each question, then click the submit button. This questionnaire is completely anonymous – none of your personal data are saved.

This questionnaire does not contain all requirements needed to participate in this study. If you qualify for this study, you will also receive a copy of the Informed Consent Form with additional information when you first visit the study site.

  • Please click on the answer that best applies to you.

Find a study site near you

To find your nearest study site, please enter your postcode.

      Regeneron Pharmaceuticals
      777 Old Saw Mill River Rd
      Tarrytown NY 10591

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      Based on the answers you have given,
      you may not be eligible to take part in Honey-B.

      Please speak with your doctor if you have any questions about your treatment options.

      Based on the answers that you have given,
      you may be eligible to take part in Honey-B.

      There are additional requirements
      that need to be met.
      Please find and contact your nearest study site.

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