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A Study in Adolescent Females to Explore Cytomegalovirus Infection

1 aprile 2021 aggiornato da: GlaxoSmithKline
The purpose of this study is to estimate the incidence of Cytomegalovirus (CMV) secondary infections (re-infections/re-activations) and the incidence of CMV primary infections in adolescent females.

Panoramica dello studio

Stato

Completato

Condizioni

Intervento / Trattamento

Tipo di studio

Interventistico

Iscrizione (Effettivo)

369

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

  • Finlandia
      • Helsinki, Finlandia, 00260
        • GSK Investigational Site
      • Oulu, Finlandia, 90220
        • GSK Investigational Site
  • Messico
    • Morelos
      • Jojutla, Morelos, Messico, 62900
        • GSK Investigational Site
  • Stati Uniti
    • Alabama
      • Birmingham, Alabama, Stati Uniti, 35233
        • GSK Investigational Site
    • Michigan
      • Stevensville, Michigan, Stati Uniti, 49127
        • GSK Investigational Site

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 10 anni a 17 anni (Bambino)

Accetta volontari sani

No

Sessi ammissibili allo studio

Femmina

Descrizione

Inclusion Criteria:

  • A female adolescent between, and including 10 and 17 years at the time of enrolment regardless of pregnancy status and contraception method used or not used.
  • Subjects who the investigator believes that the subject and/or the subject's parent(s)/Legally Acceptable Representative(s) (LAR[s]) can and will comply with the requirements of the protocol.
  • Written informed assent and/or consent obtained from the subject and/or the parent(s)/LAR(s) of the subject.
  • Subject is likely to remain in the area and/or return for required study Site Visits and complete Sample Collection Visits.

Exclusion Criteria:

  • Child in care.
  • Use or planned use of any investigational or non-registered antiviral drug or vaccine during the study period.
  • Known medical history of any recurrent clinical herpes episodes requiring episodic or chronic suppressive treatment with oral or parenteral antiviral treatment such as acyclovir, famciclovir, valacyclovir or any other anti-herpes virus anti-viral during the year preceding enrolment. Topical anti-viral are allowed.
  • Subjects with history of previous vaccination against CMV.
  • Chronic administration of immunosuppressants or other immune-modifying drugs within 6 months prior to Visit 1 or planned administration during the study. Inhaled and topical steroids are allowed.
  • Administration of immunoglobulins and/or any blood products within 3 months prior to Visit 1 or planned administration during the study.
  • Any confirmed or suspected immunosuppressive or immunodeficient condition including HIV-infection, based on medical history and physical examination (no laboratory testing required).
  • Any major congenital defects, serious chronic illness or organ transplantation.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Selezione
  • Assegnazione: Non randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Group S+
Cytomegalovirus (CMV) seropositive subjects aged between 10-17 years at enrollment in the study.
Procedura: Blood collection
Samples collected at Months 0, 4, 8, 12, 16, 20, 24, 28, 32, and 36.
Procedura: Urine collection
Samples collected at Months 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 36.
Procedura: Saliva collection
Samples collected at Months 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 36.
Sperimentale: Group S-
Cytomegalovirus (CMV) seronegative subjects aged between 10-17 years at enrollment in the study.
Procedura: Blood collection
Samples collected at Months 0, 4, 8, 12, 16, 20, 24, 28, 32, and 36.
Procedura: Urine collection
Samples collected at Months 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 36.
Procedura: Saliva collection
Samples collected at Months 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 36.
Sperimentale: Missing serostatus Group
Subjects with no confirmed serostatus, aged between 10-17 years at enrollment in the study.
Procedura: Blood collection
Samples collected at Months 0, 4, 8, 12, 16, 20, 24, 28, 32, and 36.
Procedura: Urine collection
Samples collected at Months 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 36.
Procedura: Saliva collection
Samples collected at Months 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 36.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Number of CMV Seropositive Subjects With Appearance or Increase of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: At Month 4
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. Two-fold and above increases" category = subjects that had two-fold and above increases of anti-CMV Immunoglobulin G (IgG) concentration. "Four-fold and above increases" = subjects that had four-fold and above increases of anti-CMV IgG concentration. The cut-off of the assay = 1.136 ELISA unit (EU)/mL. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV.
At Month 4
Number of CMV Seropositive Subjects With Appearance or Increase of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: At Month 8
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. Two-fold and above increases" category = subjects that had two-fold and above increases of anti-CMV IgG concentration. "Four-fold and above increases" = subjects that had four-fold and above increases of anti-CMV IgG concentration. The cut-off of the assay = 1.136 ELISA unit (EU)/mL. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV.
At Month 8
Number of CMV Seropositive Subjects With Appearance or Increase of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: At Month 12
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. Two-fold and above increases" category = subjects that had two-fold and above increases of anti-CMV IgG concentration. "Four-fold and above increases" = subjects that had four-fold and above increases of anti-CMV IgG concentration. The cut-off of the assay = 1.136 ELISA unit (EU)/mL. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV.
At Month 12
Number of CMV Seropositive Subjects With Appearance or Increase of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: At Month 16
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. Two-fold and above increases" category = subjects that had two-fold and above increases of anti-CMV IgG concentration. "Four-fold and above increases" = subjects that had four-fold and above increases of anti-CMV IgG concentration. The cut-off of the assay = 1.136 ELISA unit (EU)/mL. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV.
At Month 16
Number of CMV Seropositive Subjects With Appearance or Increase of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: At Month 20
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. Two-fold and above increases" category = subjects that had two-fold and above increases of anti-CMV IgG concentration. "Four-fold and above increases" = subjects that had four-fold and above increases of anti-CMV IgG concentration. The cut-off of the assay = 1.136 ELISA unit (EU)/mL. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV.
At Month 20
Number of CMV Seropositive Subjects With Appearance or Increase of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: At Month 24
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. Two-fold and above increases" category = subjects that had two-fold and above increases of anti-CMV IgG concentration. "Four-fold and above increases" = subjects that had four-fold and above increases of anti-CMV IgG concentration. The cut-off of the assay = 1.136 ELISA unit (EU)/mL. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV.
At Month 24
Number of CMV Seropositive Subjects With Appearance or Increase of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: At Month 28
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. Two-fold and above increases" category = subjects that had two-fold and above increases of anti-CMV IgG concentration. "Four-fold and above increases" = subjects that had four-fold and above increases of anti-CMV IgG concentration. The cut-off of the assay = 1.136 ELISA unit (EU)/mL. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV.
At Month 28
Number of CMV Seropositive Subjects With Appearance or Increase of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: At Month 32
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. Two-fold and above increases" category = subjects that had two-fold and above increases of anti-CMV IgG concentration. "Four-fold and above increases" = subjects that had four-fold and above increases of anti-CMV IgG concentration. The cut-off of the assay = 1.136 ELISA unit (EU)/mL. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV.
At Month 32
Number of CMV Seropositive Subjects With Appearance or Increase of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: At Month 36
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. Two-fold and above increases" category = subjects that had two-fold and above increases of anti-CMV IgG concentration. "Four-fold and above increases" = subjects that had four-fold and above increases of anti-CMV IgG concentration. The cut-off of the assay = 1.136 ELISA unit (EU)/mL. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV.
At Month 36
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 0
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL.
At Month 0
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 4
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL. GMC was calculated on subjects meeting a two-fold increase or above (i.e.: subjects that had two-fold and above increases [including four-fold] of CMV anti-tegument IgG compared with previous time point).
At Month 4
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 8
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL. GMC was calculated on subjects meeting a two-fold increase or above (i.e.: subjects that had two-fold and above increases [including four-fold] of CMV anti-tegument IgG compared with previous time point).
At Month 8
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 12
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL. GMC was calculated on subjects meeting a two-fold increase or above (i.e.: subjects that had two-fold and above increases [including four-fold] of CMV anti-tegument IgG compared with previous time point).
At Month 12
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 16
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL. GMC was calculated on subjects meeting a two-fold increase or above (i.e.: subjects that had two-fold and above increases [including four-fold] of CMV anti-tegument IgG compared with previous time point).
At Month 16
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 20
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL. GMC was calculated on subjects meeting a two-fold increase or above (i.e.: subjects that had two-fold and above increases [including four-fold] of CMV anti-tegument IgG compared with previous time point).
At Month 20
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 24
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL. GMC was calculated on subjects meeting a two-fold increase or above (i.e.: subjects that had two-fold and above increases [including four-fold] of CMV anti-tegument IgG compared with previous time point).
At Month 24
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 28
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL. GMC was calculated on subjects meeting a two-fold increase or above (i.e.: subjects that had two-fold and above increases [including four-fold] of CMV anti-tegument IgG compared with previous time point)
At Month 28
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 32
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL. GMC was calculated on subjects meeting a two-fold increase or above (i.e.: subjects that had two-fold and above increases [including four-fold] of CMV anti-tegument IgG compared with previous time point).
At Month 32
Anti-CMV Tegument Protein IgG Antibody Concentration in Serum (ELISA).
Lasso di tempo: At Month 36
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. A seropositive subject is a subject for whom anti-CMV IgG antibodies were detected in serum sample collected at Month 0. CMV secondary infections are defined as either a viral reactivation or a re-infection with a new strain of CMV. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL. GMC was calculated on subjects meeting a two-fold increase or above (i.e.: subjects that had two-fold and above increases [including four-fold] of CMV anti-tegument IgG compared with previous time point).
At Month 36
Geometric Mean CMVpp65 Antibody Concentration in Subjects Based on Number of CMV Deoxyribonucleic Acid (DNA) Copies (pp65 Gene) in Urine
Lasso di tempo: At Month 4
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. The concentration of DNA copies was assessed by quantitative Polymerase Chain Reaction (qPCR), for CMV seropositive subjects with appearance of CMV DNA (>0 copies/mL) and DNA copies=0 in prior urine sample (category="> 0 Copies/mL") and for CMV seropositive subjects with increase of CMV DNA (≥6720 copies/mL) and 0<DNA copies <LLOQ (6720 copies/mL) in prior urine sample (category name= "≥6720 copies/mL").
At Month 4
Geometric Mean CMVpp65 Antibody Concentration in Subjects Based on Number of CMV DNA Copies (pp65 Gene) in Urine
Lasso di tempo: At Month 8
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. The concentration of DNA copies was assessed by quantitative Polymerase Chain Reaction (qPCR),for CMV seropositive subjects with appearance of CMV DNA (>0 copies/mL) and DNA copies=0 in prior urine sample (category="> 0 Copies/mL") and for CMV seropositive subjects with increase of CMV DNA (≥6720 copies/mL) and 0<DNA copies <LLOQ (6720 copies/mL) in prior urine sample (category name= "≥6720 copies/mL").
At Month 8
Geometric Mean CMVpp65 Antibody Concentration in Subjects Based on Number of CMV DNA Copies (pp65 Gene) in Urine
Lasso di tempo: At Month 12
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. The concentration of DNA copies was assessed by quantitative Polymerase Chain Reaction (qPCR),for CMV seropositive subjects with appearance of CMV DNA (>0 copies/mL) and DNA copies=0 in prior urine sample (category="> 0 Copies/mL").
At Month 12
Geometric Mean CMVpp65 Antibody Concentration in Subjects Based on Number of CMV DNA Copies (pp65 Gene) in Urine
Lasso di tempo: At Month 16
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. The concentration of DNA copies was assessed by quantitative Polymerase Chain Reaction (qPCR),for CMV seropositive subjects with appearance of CMV DNA (>0 copies/mL) and DNA copies=0 in prior urine sample (category="> 0 Copies/mL").
At Month 16
Geometric Mean CMVpp65 Antibody Concentration in Subjects Based on Number of CMV DNA Copies (pp65 Gene) in Urine
Lasso di tempo: At Month 20
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. The concentration of DNA copies was assessed by quantitative Polymerase Chain Reaction (qPCR),for CMV seropositive subjects with appearance of CMV DNA (>0 copies/mL) and DNA copies=0 in prior urine sample (category="> 0 Copies/mL").
At Month 20
Geometric Mean CMVpp65 Antibody Concentration in Subjects Based on Number of CMV DNA Copies (pp65 Gene) in Urine
Lasso di tempo: At Month 24
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. The concentration of DNA copies was assessed by quantitative Polymerase Chain Reaction (qPCR),for CMV seropositive subjects with appearance of CMV DNA (>0 copies/mL) and DNA copies=0 in prior urine sample (category="> 0 Copies/mL").
At Month 24
Geometric Mean CMVpp65 Antibody Concentration in Subjects Based on Number of CMV DNA Copies (pp65 Gene) in Urine
Lasso di tempo: At Month 28
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. The concentration of DNA copies was assessed by quantitative Polymerase Chain Reaction (qPCR),for CMV seropositive subjects with appearance of CMV DNA (>0 copies/mL) and DNA copies=0 in prior urine sample (category="> 0 Copies/mL") and for CMV seropositive subjects with increase of CMV DNA (≥6720 copies/mL) and 0<DNA copies <LLOQ (6720 copies/mL) in prior urine sample (category name= "≥6720 copies/mL").
At Month 28
Geometric Mean CMVpp65 Antibody Concentration in Subjects Based on Number of CMV DNA Copies (pp65 Gene) in Urine
Lasso di tempo: At Month 32
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. The concentration of DNA copies was assessed by quantitative Polymerase Chain Reaction (qPCR),for CMV seropositive subjects with appearance of CMV DNA (>0 copies/mL) and DNA copies=0 in prior urine sample (category="> 0 Copies/mL").
At Month 32
Geometric Mean CMVpp65 Antibody Concentration in Subjects Based on Number of CMV DNA Copies (pp65 Gene) in Urine
Lasso di tempo: At Month 36
This outcome was part of the assessment of occurrence of CMV secondary infections determined in all seropositive subjects. The concentration of DNA copies was assessed by quantitative Polymerase Chain Reaction (qPCR),for CMV seropositive subjects with appearance of CMV DNA (>0 copies/mL) and DNA copies=0 in prior urine sample (category="> 0 Copies/mL").
At Month 36

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Number of CMV Seronegative Subjects With Appearance of Anti-CMV Tegument Protein IgG Antibodies in Serum.
Lasso di tempo: From study Month 0 to Month 36
This outcome was part of the assessment of occurrence of CMV primary infections determined in all seronegative subjects, on samples collected during the 4-month site visits until study conclusion. A seronegative subject is a subject for whom anti-CMV IgG antibodies were not detected in serum sample collected at Month 0. CMV primary infection is defined as the first infection with CMV in subjects who were seronegative at enrollment.
From study Month 0 to Month 36
Anti-CMV Tegument Protein IgG Antibody Concentration of Seronegative Subjects
Lasso di tempo: From study Month 0 to Month 36
This outcome is part of the assessment of occurrence of CMV primary infections determined in all seronegative subjects, on samples collected during the 4-month site visits until study conclusion. A seronegatve subject is a subject for whom anti-CMV IgG antibodies were not detected in serum sample collected at Month 0. CMV primary infection is defined as the first infection with CMV in subjects who were seronegative at enrollment. Antibody concentrations were tabulated as geometric mean concentrations (GMC) and expressed as ELISA units (EU)/mL. The cut-off of the assay = 1.136 EU/mL.
From study Month 0 to Month 36

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

GlaxoSmithKline

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

5 ottobre 2012

Completamento primario (Effettivo)

8 aprile 2017

Completamento dello studio (Effettivo)

8 aprile 2017

Date di iscrizione allo studio

Primo inviato

13 settembre 2012

Primo inviato che soddisfa i criteri di controllo qualità

20 settembre 2012

Primo Inserito (Stima)

25 settembre 2012

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

27 aprile 2021

Ultimo aggiornamento inviato che soddisfa i criteri QC

1 aprile 2021

Ultimo verificato

1 marzo 2021

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • 115639

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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