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Biological and Clinical Efficacy of Shingrix in Patients With CLL

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Gruppo Italiano Malattie EMatologiche dell'Adulto

Status

Begins enrollment this month

Conditions

Varicella-zoster Virus Reactivation
Small Lymphocytic Lymphoma
Chronic Lymphocytic Leukemia
CLL-like MBL

Treatments

Biological: serologic response evaluation

Study type

Interventional

Funder types

Other

Identifiers

NCT06364033
CLL2624

Details and patient eligibility

About

This is a biological study. Patients who are eligible to receive Shingrix through the Italian National Health System will be invited to participate in the study. According to AIFA indication, the two doses of vaccine will be administered 4-8 weeks apart. Blood samples will be collected prior to the first vaccine dose (i.e. within the time frame of 3 months prior to the first dose) and 1, 6, 12, 24 and 36 months after the second vaccine dose to evaluate the serological response of Shingrix.

Full description

This is a multi-centre, prospective study, performed on biological samples only. Patients who are eligible to receive Shingrix through the Italian National Health System will be invited to participate in the study.

According to AIFA indication, the two doses of vaccine will be administered 4-8 weeks apart.

Blood samples will be collected prior to the first vaccine dose (i.e. within the time frame of 3 months prior to the first dose) and 1, 6, 12, 24 and 36 months after the second vaccine dose to evaluate the serological response of Shingrix. All protocol procedures (including clinical assessment and blood draws) will be performed during regular follow-up visits according to clinical practice. No additional invasive/dangerous/painful procedures will be required by the study.

Enrollment

312 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnosis of CLL or small lymphocytic lymphoma (SLL) or CLL-like MBL according to IWCLL guidelines. Patients must belong to one of the following subgroups:

    • Group A: Patients with MBL or previously untreated early-phase CLL/SLL (Binet stage A or RAI stage 0), with no clear signs of disease progression;
    • Group B: Patients with active or symptomatic disease according to IWCLL guidelines or with advanced Binet or Rai stages receiving both the first and second vaccine doses before treatment initiation;
    • Group C: Patients with CLL/SLL receiving targeted drugs (i.e. ibrutinib/acalabrutinib-based treatment or venetoclax-based treatment) for at least 6 months prior to the administration of the first vaccine dose.
  • Age 18 years or older

  • Eligible to receive Shingrix according to clinical indication and free of charge through the Italian National Health System

  • Life expectancy >6 months

  • No active, symptomatic herpes zoster infection or varicella-zoster virus reactivation within 12 months prior to vaccination

  • No prior exposure to Shingrix

  • Able and willing to provide written informed consent and to comply with the study protocol procedures

Exclusion criteria

  • Female patients who are currently in pregnancy or are willing to be pregnant
  • Any uncontrolled active systemic infection
  • Intravenous immunoglobulin (IVIG) administration within 3 months prior to vaccination
  • Concomitant use of radiotherapy or chemotherapy
  • Hereditary or acquired immunodeficiency syndrome unrelated to CLL
  • Chronic use of immunosuppressive medications given for indications that are not CLL-related

Trial design

Primary purpose

Basic Science

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

Trial contacts and locations

1

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Central trial contact

Enrico Crea; Paola Fazi

Data sourced from clinicaltrials.gov

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