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Research project which investigates the safety of chickenpox vaccine in patients with cartilage-hair hypoplasia

Immunodeficiency in cartilage-hair hypoplasia: sub-project on safety of vaccination against chickenpox

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2015-000592-27-FI
Enrollment
5
Registered
2015-03-10
Start date
2015-06-18
Completion date
Unknown
Last updated
2025-02-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cartilage-hair hypoplasia patients.

Interventions

Trade Name: VARILRIX Product Name: VARILRIX Pharmaceutical Form: Concentrate and solvent for solution for injection INN or Proposed INN: VARILRIX (VARICELLA VIRUS OKA/MERCK STRAIN, (LIVE, ATTENUATED)

Sponsors

Helsinki University Central Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Genetically confirmed cartilage-hair hypoplasia diagnosis, age >12 months, no history of chickenpox, negative serology to varicella zoster virus, CD4+ cell counts = 15% or = 200 cells/mm3, no clinical nor laboratory signs of severe immunodeficiency, informed concent of the patient/caregiver. Are the trial subjects under 18? yes Number of subjects for this age range: 5 F.1.2 Adults (18-64 years) no F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: Age <12 months, positive serum IgG for varicella zoster virus, low CD4+ cell counts (<15% or <200 cells/mm3), clinical or laboratory signs of severe immunodeficiency, ongoing intravenous or subcutaneous immunoglobulin treatment

Design outcomes

Primary

MeasureTime frame
Main Objective: The main objective is to prove that vaccination against chickenpox is safe and effective in cartilage-hair hypoplasia patients.;Secondary Objective: Not applicable;Primary end point(s): Immune response to vaccination tested by measuring VZV antibodies and cell-mediated immunity. ;Timepoint(s) of evaluation of this end point: 4-6 weeks post-vaccination.

Secondary

MeasureTime frame
Secondary end point(s): No or mild symptoms post-vaccination.;Timepoint(s) of evaluation of this end point: 6 weeks post-vaccination. Symptoms may be reported by patients/caregivers later as well.

Countries

Finland

Contacts

Public ContactChildren's Hospital

Helsinki University Central Hospital

paula.klemetti@hus.fi

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026