Epidemiologic Study of Persistent Polyclonal B-cell Lymphocytosis (PPBL)
LPLB
1 other identifier
observational
100
1 country
2
Brief Summary
The main purpose of this study is the description of all French cases of PPBL and the establishment of minimal criteria for the pathology diagnosis and its follow-up. The secondary objective is the immunologic and genetic characterization of lymphoid cells causing the disease.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Nov 2012
Typical duration for all trials
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 13, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2015
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2015
CompletedFirst Submitted
Initial submission to the registry
September 22, 2017
CompletedFirst Posted
Study publicly available on registry
September 28, 2017
CompletedSeptember 28, 2017
September 1, 2017
3.1 years
September 22, 2017
September 27, 2017
Conditions
Outcome Measures
Primary Outcomes (3)
Relevant medical history
Baseline
Complete blood count
Baseline
Administration of first-line treatment or not
Baseline
Secondary Outcomes (1)
Lymphocyte phenotype
Baseline
Study Arms (1)
PPBL patients
Interventions
Eligibility Criteria
PPBL patients in France
You may qualify if:
- PPBL diagnosis established during a previous medical visit
You may not qualify if:
- None
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
group GFHC and intergroup LLC (GCFLL-MW / GOELAMS)
Marseille, France
CHRU de Nancy - Hopitaux de Brabois
Vandœuvre-lès-Nancy, France
Biospecimen
Venous blood (30 ml) taken during routine care
MeSH Terms
Conditions
Interventions
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 22, 2017
First Posted
September 28, 2017
Study Start
November 13, 2012
Primary Completion
December 31, 2015
Study Completion
December 31, 2015
Last Updated
September 28, 2017
Record last verified: 2017-09
Data Sharing
- IPD Sharing
- Will not share