Epidemiologic Study of Persistent Polyclonal B-cell Lymphocytosis (PPBL)

Completed

• Conditions: Persistent Polyclonal B-Cell Lymphocytosis
• Interventions: Biological: Blood test

• Registration Number: NCT03296046
• Lead Sponsor: Central Hospital, Nancy, France

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.

Detailed Description

Not available

Study Timeline

• Study Start: 2012-11-13
• Primary Completion: 2015-12-31
• Study Completion: 2015-12-31
• Status Verified: 2017-09
• Study First Submitted: 2017-09-22
• Study First Submitted QC: 2017-09-27
• Last Update Submitted: 2017-09-27
• Study First Posted: 2017-09-28
• Last Update Posted: 2017-09-28

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 100

Inclusion Criteria

• PPBL diagnosis established during a previous medical visit

Exclusion Criteria

• None

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
PPBL patients	Blood test	-

Primary Outcome Measures

Name	Time	Method
Relevant medical history	Baseline
Administration of first-line treatment or not	Baseline
Complete blood count	Baseline

Secondary Outcome Measures

Name	Time	Method
Lymphocyte phenotype	Baseline

Trial Locations

Locations (2)

CHRU de Nancy - Hopitaux de Brabois; 🇫🇷 Vandœuvre-lès-Nancy, France

group GFHC and intergroup LLC (GCFLL-MW / GOELAMS); 🇫🇷 Marseille, France