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Infection Control

GSK1437173A for Prevention of Herpes Zoster (2635)
Phase III Randomized Observer Blind Study to Evaluate Efficacy, Safety and Immunogenicity of GSK Biologicals Herpes Zoster Vaccine GSK1437173A
Status Conditions Phase Study ID
Recruiting Herpes Zoster Phase III 2635.00

The purpose of this study is to evaluate the efficacy of GSK Biologicals' vaccine GSK1437173A in the prevention of Herpes zoster (HZ) in autologous haematopoietic cell transplant recipients 18 years of age and older. To this end, the study will evaluate vaccine efficacy (VE) of the GSK1437173A vaccine, administered on a 2-dose schedule, compared to placebo in reducing the risk of developing HZ in this population.

Michael Boeckh, MD
Seattle Cancer Care Alliance 800-804-8824  
Eligibility Criteria (must meet the following to participate in this study)

Study entry (enrollment) occurs at the Pre-vaccination visit.

  • Subjects who the investigator believes can and will comply with the requirements of the protocol.
  • Written informed consent obtained from the subject.
  • A male or female aged 18 years or older at the time of study entry.
  • Has undergone or will undergo autologous HCT within 50-70 days prior to the first vaccination with the study vaccine/placebo, and there are no plans for additional HCTs.
  • Female subjects of non-childbearing potential may be enrolled in the study. For this study population, non-childbearing potential is defined as current tubal ligation, hysterectomy, ovariectomy or post-menopause.

OR Female subjects of childbearing potential may be enrolled in the study, if the subject has practiced adequate contraception for 30 days prior to vaccination with the study vaccine/placebo, and has a negative pregnancy test on the day of vaccination, and has agreed to continue adequate contraception during the entire treatment period and for 12 months after completion of the vaccination series (i.e., until Month 13).

Other eligibility criteria may apply.

Exclusions (conditions that would prevent participation in this study)
  • Use of any investigational or non-registered product other than the study vaccine within 30 days preceding the first dose of study vaccine/placebo, or planned use during the study period. However, the investigational use of a registered or non-registered product to treat the subject's underlying disease for which the HCT was undertaken, or a complication of the underlying disease, is allowed.
  • Previous vaccination against HZ or varicella within the 12 months preceding the first dose of study vaccine/placebo.
  • Planned administration during the study of a HZ vaccine other than the study vaccine.
  • Occurrence of a varicella or HZ episode by clinical history within the 12 months preceding the first dose of study vaccine/placebo.
  • History of allergic disease or reactions likely to be exacerbated by any component of the vaccine or study material and equipment.
  • Prophylactic antiviral therapy with activity against Varicella Zoster Virus (VZV) expected to last more than 6 months after transplantation.
  • Administration and/or planned administration of a vaccine not foreseen by the study protocol between HCT and 30 days after the last dose of study vaccine/placebo. However, licensed non-replicating vaccines may be administered up to 8 days prior to dose 1and/or 2, and/or at least 14 days after any dose of study vaccine/placebo.
  • HIV infection by clinical history.
  • Pregnant or lactating female.
  • Female planning to become pregnant or planning to discontinue contraceptive precautions (if of childbearing potential) before Month 13 (i.e., one year after the last dose of study vaccine/placebo).

Other exclusion criteria may apply.

Last Updated
January 24, 2014
See this trial at
Access protocol and consent forms at Fred Hutchinson Cancer Research Center
Disclaimer: We update this information regularly. However, what you read today may not be completely up to date.

Please remember:
  • Talk to your health care providers first before making decisions about your health care.
  • Whether you are eligible for a research study depends on many things. There are specific requirements to be in research studies. These requirements are different for each study.

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