Ibrutinib for the Treatment of AIHA in Patients With CLL/SLL or CLL-like MBL

Summary

This is a multicenter, single arm, phase II study aimed at evaluating ibrutinib therapy for the treatment of AIHA in patients with CLL/SLL or CLL-like MBL.

Eligibility

Inclusion Criteria:

1. Diagnosis of CLL/small lymphocytic lymphoma (SLL) or CLL-like monoclonal B-cell lymphocytosis (MBL) according to IWCLL guidelines.
2. Patients \>18 years old
3. Active AIHA (wAIHA or CAD) that i) is relapsed after previous treatment with corticosteroids (with or without rituximab), or ii) is steroid-resistant (failure to obtain hematologic response within 3 weeks on at least 1 mg/kg predniso(lo)ne), or iii) is steroid-dependent (need to continue on predniso(lo)ne at a dose of \>10 mg/day to maintain a response). AIHA is defined as: anemia (hemoglobin ≤10 g/dL; or hemoglobin \>10 g/dL dependent on transfusions to maintain this level of hemoglobin) and laboratory evidence of hemolysis (presence of 3 of 4 markers: increased reticulocyte count, increased indirect bilirubin, increased lactate dehydrogenase, decreased haptoglobin) and positive DAT (either IgG DAT, C3 DAT or both).
4. Eligibility of patients with DAT-negative active AIHA should be confirmed by the Principal Investigator and co-Principal Investigator for the trial.
5. Signed written informed consent according to ICH/EU/GCP and national local laws.

Exclusion Criteria:

1. Contraindication to ibrutinib therapy as per treating physician's discretion.
2. Contraindication to ibrutinib therapy as per ibrutinib data sheet (severe hepatic impairment, known allergy to the drug or to one of the excipients, concomitant treatment with warfarin or other vitamin K antagonists).
3. Previous exposure to ibrutinib as CLL-directed therapy.
4. Other CLL/SLL- or AIHA-directed treatment at the time of enrollment in the study, other than corticosteroids.
5. Female patients who are currently in pregnancy or are willing to be pregnant or are lactating.

Conditions5

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