ClinicalTrials.gg
Not yet recruitingNCT05718986Familial_LPDUpdated May 8, 2024

Familial B-cell Lymphoproliferative Disorders

An observational study in Lymphoproliferative Disorders, Premalignant and Monoclonal B-Cell Lymphocytosis, sponsored by University of Haifa. Not yet recruiting. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2024-05-08.

Primary conditionLeukemia, Lymphocytic, Chronic, B-CellRegistry: Lymphoproliferative DisordersReclassifiedWhy we changed it
Registry
Lymphoproliferative Disorders — the first condition term the registry derived for this study.
ClinicalTrials.gg
Leukemia, Lymphocytic, Chronic, B-Cell
Why
  1. The study's listed conditions name Leukemia, Lymphocytic, Chronic, B-Cell, a narrower term within Lymphoproliferative Disorders.
Confidence
High: the new condition is named in the study's own listed conditions. Of 351 hand-checked studies reclassified this way, 68% were exactly right and 84% in the right disease family; the registry's first term was right for 5% (measured 2026-10-21). How we classify →
Wrong?
Tell us the study's main condition →

Sponsored by University of Haifa · Observational

Study type
Observational
Model
Family-based
Time perspective
Other
Enrollment
1,000
Ages
18 Years and older
Sex
All
01

Study summary

This study investigates families with at least two cases of B-cell lymphoproliferative disorders (LPD), and evaluates the prevalence of LPD in families, the relationship between medical history, genetic factors, and the risk of familial LPD, and various clinical outcomes for these families in a multiethnic population of Jews and Arabs in Israel.

02

Conditions studied

  • Lymphoproliferative Disorders
  • Premalignant
  • Monoclonal B-Cell Lymphocytosis
  • Chronic Lymphocytic Leukemia

Keywords

  • lymphoproliferative disorders
  • Chronic Lymphocytic Leukemia
  • Monoclonal B-cell Lymphocytosis
03

In context

Leukemia, Lymphocytic, Chronic, B-Cell Reclassified

2,036 studies on the registry are indexed under Leukemia, Lymphocytic, Chronic, B-Cell; 237 are open to participants now.

This study's planned enrollment of 1,000 is above the median of 146 across 215 observational studies indexed under Leukemia, Lymphocytic, Chronic, B-Cell.

Browse Leukemia, Lymphocytic, Chronic, B-Cell studies →

Lead sponsor

University of Haifa is the lead sponsor of 105 studies on the registry; 27 are open to participants now.

Compared within Leukemia, Lymphocytic, Chronic, B-Cell, this study's primary condition as ClinicalTrials.gg classifies it; the registry's first condition term is Lymphoproliferative Disorders. The counts are of registry records indexed under each term, refreshed daily. How we classify →

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

Jewish and Arab LPD families with at least 2 family members with LPD.

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Patient inclusion criteria:

Patients must have LPD and must have a family history of LPD. LPD patients who signed an to participate in the study.

Criteria for the inclusion of relatives of patients:

Relatives must be related by blood to LPD patients or unrelated (for control group).

Relatives who signed an informed consent to participate in the study.

Exclusion criteria

Exclusion Criteria:

  • Pregnant women, special populations and those lacking judgment will not be included
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

05

Study design

Observational model
Family-based
Time perspective
Other
Enrollment
1,000 participants (estimated)
Target follow-up
15 Years
Patient registry
Yes
Biospecimen retention
Samples with dna

Groups and cohorts

  • Bnai Zion Medical Center

    Bnai Zion Medical Center

    Other: No intervention

  • Tel Aviv Sourasky Medical Center - Ichilov Hospital

    Tel Aviv Sourasky Medical Center - Ichilov Hospital

    Other: No intervention

  • Galil Medical Center

    Galil Medical Center

    Other: No intervention

  • Ziv Medical Center

    Ziv Medical Center

    Other: No intervention

  • Emek Medical Center

    Emek Medical Center

    Other: No intervention

  • Beilinson Hospital

    Beilinson Hospital

    Other: No intervention

  • Meir Medical Center

    Meir Medical Center

    Other: No intervention

  • Kaplan Medical Center

    Kaplan Medical Center

    Other: No intervention

  • Sheba Medical Center

    Sheba Medical Center

    Other: No intervention

  • Rambam Medical Center

    Rambam Medical Center

    Other: No intervention

  • Shaare Zdek Medical Center

    Shaare Zdek Medical Center

    Other: No intervention

  • Hadassah Medical Center

    Hadassah Medical Center

    Other: No intervention

  • Shamir Medical Center (Assaf Harofeh)

    Shamir Medical Center (Assaf Harofeh)

    Other: No intervention

  • Soroka Medical Center

    Soroka Medical Center

    Other: No intervention

  • Assuta Ashdod Hospital

    Assuta Ashdod Hospital

    Other: No intervention

Interventions

  • OtherNo intervention

    No intervention

06

What researchers measure

Primary outcomes

  1. Prevalence of familial LPD in Israel

    Time frame: 5 years

  2. Association between medical history and genetic variants and the risk of familial LPD

    Time frame: 5 years

  3. Risk of clinical outcomes among familial LPD and family members

    Time frame: 15 years

07

Study locations

No study locations are listed for this record.

08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Start is estimated for Jun 2024; primary completion for Dec 2028, 54 months later.

Of 70 non-industry observational studies under Leukemia, Lymphocytic, Chronic, B-Cell, half reached primary completion within 72 months of starting (the median), counting those still running; a quarter within 30. This study's planned 54 months is below that.

Counting every sponsor, half of 104 studies reached it within 60 months; a quarter within 32 and three quarters within 176.

How these figures are worked out, and which studies are left out of them.

Registered
Jan 30, 2023
First posted
Feb 8, 2023
StartEst.
Jun 2024
Primary completionEst.
Dec 2028
CompletionEst.
Dec 2040
Last update
May 8, 2024
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on May 8, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05718986
Responsible party
Geffen Kleinstern (Senior Lecturer, University of Haifa) — Principal investigator
First posted
Feb 8, 2023
Start date
Jun 2024 (estimated)
Primary completion
Dec 2028 (estimated)
Completion
Dec 2040 (estimated)
Last update
May 8, 2024

Study contacts

Geffen Kleinstern, PhD
Contact
gkleinste@univ.haifa.ac.il
+972545715624
Tamar Tadmor, MD
Contact
tamar.tadmor@b-zion.org.il
Geffen Kleinstern, PhD
principal investigator · University of Haifa

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in May 2024. You cannot join it, but the record below documents what was studied.

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Discussion

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