2023-505933-29-00
招募中
2 期
Multicenter, open-label, phase II study in patients with immunoglobulin M monoclonal gammopathy of unknown significance and Myelin Associated Glycoprotein antibodies related polyneuropathy and Zanubrutinib Treatment
概览
- 阶段
- 2 期
- 状态
- 招募中
- 入组人数
- 42
- 试验地点
- 2
- 主要终点
- Proportion of patients with ≥2 points improvement on the Inflammatory Neuropathy Cause and Treatment disability score (INCATds) at the end of cycle 12 (1 year from baseline)
概览
简要总结
We want to investigate the use of Zanubrutinib in combination with standard therapy Rituximab for the possible improvement on the neurological outcome in patients with immunoglobulin M (IgM) monoclonal gammopathy of unknown significance (MGUS) anti-MAG polyneuropathy after 12 months, based on the Inflammatory Neuropathy Cause and Treatment (INCAT) disability score. In addition, we want to investigate safety, tolerability and drug adherence of this treatment.
入排标准
- 年龄范围
- 18 years 至 65+ years（65+ Years, 18-64 Years）
- 接受健康志愿者
- 否
入选标准
- •Able to provide written informed consent and understand and comply with the requirements of the study
- •No history of severe bleeding disorder such as hemophilia A, hemophilia B, von Willebrand disease, or history of spontaneous bleeding requiring blood transfusion or other medical intervention
- •Previous treatment with intravenous immunoglobulins is allowed if > 3 months before inclusion
- •Previous treatment for polyneuropathy with Anti CD20 monoclonal antibody (MoAb) and/or cyclophosphamide is allowed only if given > 6 months before inclusion. Patients without previous response to Rituximab >6 months before inclusion can be included.
- •Demyelinating polyneuropathy defined by the European Federation of Neurological Societies (EFNS) / Peripheral Nerve Society (PNS) guideline on management of paraproteinemic demyelinating neuropathies
- •Functional impairment; defined as an Inflammatory Neuropathy Cause and Treatment disability score (INCATds) of ≥2
- •Age ≥ 18 years
- •IgM monoclonal gammopathy of unknown significance (MGUS), defined as the presence of an IgM M-protein (detectable but < 30 g/L) AND elevated total IgM level in serum
- •Presence of anti MAG antibodies ≥ 10.000 titer units, measured with the Bühlmann ELISA
- •Eastern Cooperative Oncology Group (ECOG) performance score of 0, 1 or 2
排除标准
- •Hematological malignancy e.g., known Multiple Myeloma or confirmed Waldenström’s Macroglobulinemia based on bone marrow analysis
- •Prior treatment with purine analogues (fludarabine or cladribine)
- •Prior treatment with a Bruton's tyrosine kinase (BTK) inhibitor
- •Major surgery within 4 weeks of study treatment
- •Participation in another interventional clinical trial
- •Unable to swallow capsules or disease significantly affecting gastrointestinal function such as malabsorption syndrome, resection of the stomach or small bowel, symptomatic inflammatory bowel disease, or partial or complete bowel obstruction
- •Uncontrolled active systemic infection or recent infection requiring parenteral anti-microbial therapy that was completed ≤ 14 days before the first dose of study drug
- •Active tuberculosis
- •Infection with human immunodeficiency virus (HIV), or serologic status reflecting active hepatitis B or hepatitis C infection. Patients with presence of hepatitis C virus (HCV) antibody are eligible if HCV ribonucleic acid (RNA) is undetectable. Patients with a serologic status reflecting prior or active hepatitis B cannot be included. We will test the hepatitis B surface antigen (HBsAg), anti-hepatitis B core antibodies (anti-HBc) and anti-hepatitis B surface antibodies (anti-HBs) at screening. Patients with a serological status reflecting an earlier hepatitis B vaccination (HBsAg negative / antiHBc negative / anti-HBs positive) may be included. Other combinations are not allowed.
- •At time of study entry, taking any medications which are strong CYP3A inhibitors (e.g., conivaptan, posaconazole, voriconazole, ketoconazole, itraconazole, clarithromycin, indinavir, lopinavir, ritonavir, telaprevir) or strong CYP3A inducers (e.g., carbamazepine, phenytoin, rifampin, St. John’s wort)
结局指标
主要结局
Proportion of patients with ≥2 points improvement on the Inflammatory Neuropathy Cause and Treatment disability score (INCATds) at the end of cycle 12 (1 year from baseline)
Proportion of patients with ≥2 points improvement on the Inflammatory Neuropathy Cause and Treatment disability score (INCATds) at the end of cycle 12 (1 year from baseline)
Incidence of adverse events during treatment and follow up (36 months from baseline), graded by the Common Terminology Criteria for Adverse Events (CTCAE), version 5.0
Incidence of adverse events during treatment and follow up (36 months from baseline), graded by the Common Terminology Criteria for Adverse Events (CTCAE), version 5.0
Dose adjustments made per patient
Dose adjustments made per patient
Registration of drug accountability (counting of remaining capsules after each treatment cycle). Drug accountability will be presented as percentage.
Registration of drug accountability (counting of remaining capsules after each treatment cycle). Drug accountability will be presented as percentage.
次要结局
- Hematological response rate (including progression) at 6, 12, 24 and 36 months
- Best achieved hematological response rate during treatment and follow-up
- Change from baseline on the Inflammatory Neuropathy Cause and Treatment disability score (INCATds) after 3, 6, 10, 12, 18, 24 and 36 months, at the end of treatment and the end of study
- Change from baseline on the Rasch-built Overall Disability Scale for immune-mediated peripheral neuropathies (iRODS) after 3, 6, 10, 12, 18, 24 and 36 months, at the end of treatment and the end of study
- Change from baseline on the Overall Neuropathy Limitations Scale (ONLS) after 3, 6, 10, 12, 18, 24 and 36 months, at the end of treatment and the end of study
- Change from baseline on the 10 meter walk test after 3, 6, 10, 12, 18, 24 and 36 months, at the end of treatment and the end of study
- Change from baseline on the ataxia score after 3, 6, 10, 12, 18, 24 and 36 months, at the end of treatment and the end of study
- Change from baseline on the modified Inflammatory Neuropathy Cause And Treatment (INCAT) sensory sum score after 3, 6, 10, 12, 18, 24 and 36 months, at the end of treatment and the end of study
- Change from baseline on the grip strength (vigorimetry) after 3, 6, 10, 12, 18, 24 and 36 months, at the end of treatment and the end of study
- Registration of hematological progression (and other responses) during treatment and follow-up to assess hematological progression free survival and time to progression
- Death registration during treatment and follow up. Overall survival is defined as time from inclusion to death (or end of follow-up)
- Change from baseline in Bühlmann ELISA titer units, measured after every 2 cycles during treatment and every 6 months during follow-up
- Evaluation of molecular markers at diagnosis. Performed using next generation sequencing (NGS) for CXCR4 mutations and the MYD88L265P mutation after CD19 selection of bone marrow aspirate at central laboratory.
- At baseline, a complete panel of anti-neural antibodies will be performed (only if not done previously), that consists of gangliosides GM1, GM2, GD1a and GD1b.
- Relation of neurological and hematological response endpoints with molecular markers at diagnosis.
- Relation of molecular markers with anti-MAG titer
- Time to first hematological and first neurological response
- Time to maximum hematological and maximum neurological response
- Duration of hematological and neurological response during follow up period
- Relation of immunological parameters with neurological endpoints
- Change from baseline on the quality of life assessment (EQ-5D-5L) measured after 6, 12, 18, 24, 30 and 36 months, at the end of treatment and the end of study
- Change from baseline on the patients global impression of change (PGIC) assessment, measured after 6, 12, 18, 24, 30 and 36 months, at the end of treatment and the end of study
研究者
Clinical trial management hematology
Scientific
University Medical Center Utrecht
研究点 (2)
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