Prospective observation study of chronic lymphocytic leukemia, hairy cell leukemia and related diseases in Japan (CLLRSG-01)

Prospective observation study of chronic lymphocytic leukemia, hairy cell leukemia and related diseases in Japan (CLLRSG-01) - Investigational study of chronic lymphocytic leukemia, hairy cell leukemia and related diseases in Japan (CLLRSG-01)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000004915

Enrollment

200

Registered

2011-01-20

Start date

2011-01-12

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

chronic lymphocytic leukemia, hairy cell leukemia and related diseases

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Untreated, B-cell chronic lymphocytic leukemia, B-cell prolymphocytic leukemia, hairy cell leukemia,and other indolent B-cell leukemias fulfilling (1)absolute iymphocyte count of 5000/ul or more in the peripheral blood or (2)abnormal lymphocytes of 20% or more in the peripheral blood.

Exclusion criteria

Exclusion criteria: Nothing special.

Design outcomes

Primary

Measure	Time frame
The incidence of somatic hypermutation of immunoglobulin heavy chain gene of each group in Japanese patients with indolent B-cell neoplasms	—

Secondary

Measure	Time frame
The overall survival rate of mutated and un-mutated subgroups, overall survival period and survival time from treatment initiation in Japanese patients with indolent B-cell neoplasms	—

Countries

Japan

Contacts

Public ContactJun Takizawa

Niigata University Graduate School of Medical & Dental Sciences Division of Hematology

juntaki@med.niigata-u.ac.jp+81-25-368-9025

Outcome results