Recruitment

Recruitment Status
Recruiting

Inclusion Criteria

Patients with histologically verified hairy cell leukemia
Presence of hairy cells in the bone marrow and peripheral blood detected by positive TRAP staining and / or co expression if cell surface antigens cluster of differentiation (CD) 19/CD25 or CD19/CD103 (b-ly7)
Current histology, not older than 6 months
...
Patients with histologically verified hairy cell leukemia
Presence of hairy cells in the bone marrow and peripheral blood detected by positive TRAP staining and / or co expression if cell surface antigens cluster of differentiation (CD) 19/CD25 or CD19/CD103 (b-ly7)
Current histology, not older than 6 months
Age at least 18 years old
Need for treatment
No previous cytostatic treatment (splenectomy or interferon treatment are allowed)
Written consent by patient
General state of health according to WHO 0-2

Exclusion Criteria

Proven HIV infection
Hairy cell leukemia variants (HCL-V): presence of lymphoid cells in bone marrow and / or peripheral blood, which have an intermediate morphology between hairy cells and prolymphocytes (negative TRAP staining and co- expression of CD19/CD103 without CD25
Pregnant or lactating women
...
Proven HIV infection
Hairy cell leukemia variants (HCL-V): presence of lymphoid cells in bone marrow and / or peripheral blood, which have an intermediate morphology between hairy cells and prolymphocytes (negative TRAP staining and co- expression of CD19/CD103 without CD25
Pregnant or lactating women
Concomitant corticosteroid therapy
Severe dysfunction of the heart (NYHA III or IV), the lung (WHO-Grade III or IV), the liver, except due to lymphoma (bilirubin > 2 mg/dl, alkaline phosphatase, glutamate-oxalacetate transaminase and glutamate-pyruvate transaminase > 2 x upper limit of normal), the kidneys (creatinin > 2 mg/dl or creatinine clearance < 50 ml/min), central nervous system diseases including psychoses.
Anamnesis / diagnosis of other malignant disease (other than non-melanoma associated skin tumours or stage 0 in situ carcinoma of the cervix)
Active Hepatitis
Pretreatment with purine analogues or other chemotherapeutics
Other florid infections
Patients not fulfilling inclusion criteria above

Summary

Conditions
Hairy Cell Leukemia
Type
Interventional
Phase
Phase 2Phase 3
Design
  • Allocation: N/A
  • Intervention Model: Single Group Assignment
  • Masking: None (Open Label)
  • Primary Purpose: Treatment

Participation Requirements

Age
Between 18 years and 90 years
Gender
Both males and females

Description

Evaluation of remission status will take place 4 months after treatment. In addition, it will be tested whether patients with non-optimal response will have a benefit from a second cycle of cladribine. Non-optimal response is: patients with detectable residual disease; achievement of partial remissi...

Evaluation of remission status will take place 4 months after treatment. In addition, it will be tested whether patients with non-optimal response will have a benefit from a second cycle of cladribine. Non-optimal response is: patients with detectable residual disease; achievement of partial remission or detectable residual infiltration in the bone marrow.

Inclusion Criteria

Patients with histologically verified hairy cell leukemia
Presence of hairy cells in the bone marrow and peripheral blood detected by positive TRAP staining and / or co expression if cell surface antigens cluster of differentiation (CD) 19/CD25 or CD19/CD103 (b-ly7)
Current histology, not older than 6 months
...
Patients with histologically verified hairy cell leukemia
Presence of hairy cells in the bone marrow and peripheral blood detected by positive TRAP staining and / or co expression if cell surface antigens cluster of differentiation (CD) 19/CD25 or CD19/CD103 (b-ly7)
Current histology, not older than 6 months
Age at least 18 years old
Need for treatment
No previous cytostatic treatment (splenectomy or interferon treatment are allowed)
Written consent by patient
General state of health according to WHO 0-2

Exclusion Criteria

Proven HIV infection
Hairy cell leukemia variants (HCL-V): presence of lymphoid cells in bone marrow and / or peripheral blood, which have an intermediate morphology between hairy cells and prolymphocytes (negative TRAP staining and co- expression of CD19/CD103 without CD25
Pregnant or lactating women
...
Proven HIV infection
Hairy cell leukemia variants (HCL-V): presence of lymphoid cells in bone marrow and / or peripheral blood, which have an intermediate morphology between hairy cells and prolymphocytes (negative TRAP staining and co- expression of CD19/CD103 without CD25
Pregnant or lactating women
Concomitant corticosteroid therapy
Severe dysfunction of the heart (NYHA III or IV), the lung (WHO-Grade III or IV), the liver, except due to lymphoma (bilirubin > 2 mg/dl, alkaline phosphatase, glutamate-oxalacetate transaminase and glutamate-pyruvate transaminase > 2 x upper limit of normal), the kidneys (creatinin > 2 mg/dl or creatinine clearance < 50 ml/min), central nervous system diseases including psychoses.
Anamnesis / diagnosis of other malignant disease (other than non-melanoma associated skin tumours or stage 0 in situ carcinoma of the cervix)
Active Hepatitis
Pretreatment with purine analogues or other chemotherapeutics
Other florid infections
Patients not fulfilling inclusion criteria above

Tracking Information

NCT #
NCT02131753
Collaborators
Not Provided
Investigators
  • Principal Investigator: Mathias J Rummel, Prof. Dr. Justus-Liebig-University | University Hospital | Medicinal Clinic IV
  • Mathias J Rummel, Prof. Dr. Justus-Liebig-University | University Hospital | Medicinal Clinic IV
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