An Open-label Study of the Efficacy and Safety of Re-treatments With Rituximab (MabThera®/Rituxan®) in Patients With Active Rheumatoid Arthritis
试验速览
- 阶段
- 2 期
- 状态
- 已完成
- 入组人数
- 465
- 主要终点
- Percentage of Participants With ACR20 Response After Second Course
研究概览
简要总结
This study will assess the long-term safety and efficacy of repeat treatment courses of rituximab, in combination with methotrexate in a disease-modifying anti-rheumatic drug (DMARD) inadequate responder population of participants who were previously randomized into studies WA16291 (NCT02693210) or WA17043/U2644g (NCT00074438). The study permits multiple re-treatments until the protocol-defined end-of-treatment date (31 December 2011). Participants will then enter a safety follow-up (SFU) period of at least 48 weeks. This will provide at least 7 years follow-up data on all participants initially randomized into WA16291 or WA17043/U2644g. Approximately 600 participants will potentially be eligible to enter this open label extension study from their respective feeder studies.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 21 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •participants with active RA
- •completed 24 weeks of treatment in WA16291 or WA17043
- •eligible for re-treatment, based on clinical symptoms (Disease Activity Score in 28 joints >=2.6)
- •females of childbearing potential using reliable contraception
排除标准
- •participants who participated in rituximab studies WA16291 or WA17043 but withdrew into the safety follow-up phases of these trials
- •previous rituximab non-responders
- •current treatment with any other disease-modifying drug (apart from methotrexate), or any anti-tumor necrosis factor alfa, anti-interleukin-1, or other biologic therapies
- •participants with known active infection of any kind
- •evidence of any new or uncontrolled concomitant disease or development of any new contraindications which would preclude repeat treatment with rituximab
- •history of severe allergic or anaphylactic reactions to humanized or murine monoclonal antibodies
- •female participants who are pregnant or breastfeeding
研究组 & 干预措施
Rituximab
Participants will receive rituximab 1 gram intravenously (IV) on Days 1 and 15 of each course of retreatment. In addition, participants will receive methotrexate 10-25 milligrams per week (mg/week) orally or parenterally, methylprednisolone 100 mg IV 30 minutes prior to both rituximab infusions, and a stable dose of folic acid greater than or equal to (>=) 5 mg/week or equivalent. Participants will receive retreatment (next course of rituximab repeat treatment) within 2 weeks of meeting the retreatment criteria as defined in the protocol (minimum of 24 weeks after the first [Day 1] infusion of the last course of rituximab). Repeat treatment will be based on the investigator's decision of prior clinical response to rituximab, clinical need and evidence of active disease (Disease Activity Score in 28 joints >=2.6). Retreatment with rituximab will be continued until withdrawal of consent or study treatment completion on 31 December 2011, whichever is sooner.
干预措施: Rituximab (Drug)
Rituximab
Participants will receive rituximab 1 gram intravenously (IV) on Days 1 and 15 of each course of retreatment. In addition, participants will receive methotrexate 10-25 milligrams per week (mg/week) orally or parenterally, methylprednisolone 100 mg IV 30 minutes prior to both rituximab infusions, and a stable dose of folic acid greater than or equal to (>=) 5 mg/week or equivalent. Participants will receive retreatment (next course of rituximab repeat treatment) within 2 weeks of meeting the retreatment criteria as defined in the protocol (minimum of 24 weeks after the first [Day 1] infusion of the last course of rituximab). Repeat treatment will be based on the investigator's decision of prior clinical response to rituximab, clinical need and evidence of active disease (Disease Activity Score in 28 joints >=2.6). Retreatment with rituximab will be continued until withdrawal of consent or study treatment completion on 31 December 2011, whichever is sooner.
干预措施: Methotrexate (Drug)
Rituximab
Participants will receive rituximab 1 gram intravenously (IV) on Days 1 and 15 of each course of retreatment. In addition, participants will receive methotrexate 10-25 milligrams per week (mg/week) orally or parenterally, methylprednisolone 100 mg IV 30 minutes prior to both rituximab infusions, and a stable dose of folic acid greater than or equal to (>=) 5 mg/week or equivalent. Participants will receive retreatment (next course of rituximab repeat treatment) within 2 weeks of meeting the retreatment criteria as defined in the protocol (minimum of 24 weeks after the first [Day 1] infusion of the last course of rituximab). Repeat treatment will be based on the investigator's decision of prior clinical response to rituximab, clinical need and evidence of active disease (Disease Activity Score in 28 joints >=2.6). Retreatment with rituximab will be continued until withdrawal of consent or study treatment completion on 31 December 2011, whichever is sooner.
干预措施: Methylprednisolone (Drug)
Rituximab
Participants will receive rituximab 1 gram intravenously (IV) on Days 1 and 15 of each course of retreatment. In addition, participants will receive methotrexate 10-25 milligrams per week (mg/week) orally or parenterally, methylprednisolone 100 mg IV 30 minutes prior to both rituximab infusions, and a stable dose of folic acid greater than or equal to (>=) 5 mg/week or equivalent. Participants will receive retreatment (next course of rituximab repeat treatment) within 2 weeks of meeting the retreatment criteria as defined in the protocol (minimum of 24 weeks after the first [Day 1] infusion of the last course of rituximab). Repeat treatment will be based on the investigator's decision of prior clinical response to rituximab, clinical need and evidence of active disease (Disease Activity Score in 28 joints >=2.6). Retreatment with rituximab will be continued until withdrawal of consent or study treatment completion on 31 December 2011, whichever is sooner.
干预措施: Folic Acid (Drug)
结局指标
主要结局
Percentage of Participants With ACR20 Response After Second Course
时间窗: 24 weeks after second course of rituximab (median duration of 90.9 weeks)
A participant had an ACR20 response if there was at least a 20% improvement, ie, reduction from Baseline, in TJC and SJC (28 assessed joints) and in at least 3 of the following 5 parameters: 1) Physician's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 2) Patient's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 3) Patient's Assessment of Pain \[VAS: 0=no pain to 100=unbearable pain\]; 4) Health Assessment Questionnaire \[20 questions, 8 components: dressing/grooming, arising, eating, walking, hygiene, reach, grip, and activities, 0=without difficulty to 3=unable to do\] and 5) an acute-phase reactant (either CRP or ESR). The ACR20 response was compared to Baseline in the precursor studies WA16291 or WA17043.
Percentage of Participants With an American College of Rheumatology 20 (ACR20) Response After First Course
时间窗: 24 weeks after first course of rituximab (up to approximately 26 weeks)
A participant had an ACR20 response if there was at least a 20 percent (%) improvement, ie, reduction from Baseline, in tender joint count (TJC) and swollen joint count (SJC) (28 assessed joints) and in at least 3 of the following 5 parameters: 1) Physician's Global Assessment of Disease Activity \[visual analog scale (VAS): 0=no disease activity to 100=maximum disease activity\]; 2) Patient's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 3) Patient's Assessment of Pain \[VAS: 0=no pain to 100=unbearable pain\]; 4) Health Assessment Questionnaire \[20 questions, 8 components: dressing/grooming, arising, eating, walking, hygiene, reach, grip, and activities, 0=without difficulty to 3=unable to do\] and 5) an acute-phase reactant (either C-reactive protein \[CRP\] or erythrocyte sedimentation rate \[ESR\]). The ACR20 response was compared to Baseline in the precursor studies WA16291 or WA17043.
Percentage of Participants With ACR20 Response After Fifth Course
时间窗: 24 weeks after fifth course of rituximab (median duration of 297.3 weeks)
A participant had an ACR20 response if there was at least a 20% improvement, ie, reduction from Baseline, in TJC and SJC (28 assessed joints) and in at least 3 of the following 5 parameters: 1) Physician's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 2) Patient's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 3) Patient's Assessment of Pain \[VAS: 0=no pain to 100=unbearable pain\]; 4) Health Assessment Questionnaire \[20 questions, 8 components: dressing/grooming, arising, eating, walking, hygiene, reach, grip, and activities, 0=without difficulty to 3=unable to do\] and 5) an acute-phase reactant (either CRP or ESR). The ACR20 response was compared to Baseline in the precursor studies WA16291 or WA17043.
Percentage of Participants With ACR20 Response After Fourth Course
时间窗: 24 weeks after fourth course of rituximab (median duration of 232 weeks)
A participant had an ACR20 response if there was at least a 20% improvement, ie, reduction from Baseline, in TJC and SJC (28 assessed joints) and in at least 3 of the following 5 parameters: 1) Physician's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 2) Patient's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 3) Patient's Assessment of Pain \[VAS: 0=no pain to 100=unbearable pain\]; 4) Health Assessment Questionnaire \[20 questions, 8 components: dressing/grooming, arising, eating, walking, hygiene, reach, grip, and activities, 0=without difficulty to 3=unable to do\] and 5) an acute-phase reactant (either CRP or ESR). The ACR20 response was compared to Baseline in the precursor studies WA16291 or WA17043.
Percentage of Participants With ACR20 Response After Third Course
时间窗: 24 weeks after third course of rituximab (median duration of 162.9 weeks)
A participant had an ACR20 response if there was at least a 20% improvement, ie, reduction from Baseline, in TJC and SJC (28 assessed joints) and in at least 3 of the following 5 parameters: 1) Physician's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 2) Patient's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 3) Patient's Assessment of Pain \[VAS: 0=no pain to 100=unbearable pain\]; 4) Health Assessment Questionnaire \[20 questions, 8 components: dressing/grooming, arising, eating, walking, hygiene, reach, grip, and activities, 0=without difficulty to 3=unable to do\] and 5) an acute-phase reactant (either CRP or ESR). The ACR20 response was compared to Baseline in the precursor studies WA16291 or WA17043.
Percentage of Participants With ACR20 Response After Seventh Course
时间窗: 24 weeks after seventh course of rituximab (median duration of 406.7 weeks)
A participant had an ACR20 response if there was at least a 20% improvement, ie, reduction from Baseline, in TJC and SJC (28 assessed joints) and in at least 3 of the following 5 parameters: 1) Physician's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 2) Patient's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 3) Patient's Assessment of Pain \[VAS: 0=no pain to 100=unbearable pain\]; 4) Health Assessment Questionnaire \[20 questions, 8 components: dressing/grooming, arising, eating, walking, hygiene, reach, grip, and activities, 0=without difficulty to 3=unable to do\] and 5) an acute-phase reactant (either CRP or ESR). The ACR20 response was compared to Baseline in the precursor studies WA16291 or WA17043.
Percentage of Participants With ACR20 Response After Sixth Course
时间窗: 24 weeks after sixth course of rituximab (median duration of 354.4 weeks)
A participant had an ACR20 response if there was at least a 20% improvement, ie, reduction from Baseline, in TJC and SJC (28 assessed joints) and in at least 3 of the following 5 parameters: 1) Physician's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 2) Patient's Global Assessment of Disease Activity \[VAS: 0=no disease activity to 100=maximum disease activity\]; 3) Patient's Assessment of Pain \[VAS: 0=no pain to 100=unbearable pain\]; 4) Health Assessment Questionnaire \[20 questions, 8 components: dressing/grooming, arising, eating, walking, hygiene, reach, grip, and activities, 0=without difficulty to 3=unable to do\] and 5) an acute-phase reactant (either CRP or ESR). The ACR20 response was compared to Baseline in the precursor studies WA16291 or WA17043.
次要结局
- Percentage of Participants With European League Against Rheumatism (EULAR) Response of 'Good' or 'Moderate'(24 weeks after first, second, third, fourth, fifth, sixth, and seventh course of rituximab (median duration of 26, 90.9, 162.9, 232, 297.3, 354.4, and 406.7 weeks, respectively))
- Percentage of Participants With ACR50 and ACR70 Response(24 weeks after first, second, third, fourth, fifth, sixth, and seventh course of rituximab (median duration of 26, 90.9, 162.9, 232, 297.3, 354.4, and 406.7 weeks, respectively))
- Time Since Last Treatment Course(Baseline up to 10 years)
- American College of Rheumatology Index of Improvement (ACRn) Response(24 weeks after first, second, third, fourth, fifth, sixth, and seventh course of rituximab (median duration of 26, 90.9, 162.9, 232, 297.3, 354.4, and 406.7 weeks, respectively))
- Percentage of Participants With Low Disease Activity and Clinical Remission Based on DAS28-ESR(24 weeks after first, second, third, fourth, fifth, sixth, and seventh course of rituximab (median duration of 26, 90.9, 162.9, 232, 297.3, 354.4, and 406.7 weeks, respectively))
- Percentage of Participants Who Discontinued Treatment Due to Insufficient Response(First, second, third, fourth, fifth, sixth, and seventh course of rituximab (up to a median of approximately 2, 62, 124, 186, 248, 310, and 372 weeks, respectively))
- Change From Baseline in the Health Assessment Questionnaire-Disability Index (HAQ-DI) Score at 24 Weeks Following Each Course(24 weeks after first, second, third, fourth, fifth, sixth, and seventh course of rituximab (median duration of 26, 90.9, 162.9, 232, 297.3, 354.4, and 406.7 weeks, respectively))
- Change From Baseline in Total Rheumatoid Factors (RF) at 24 Weeks Following Each Course(24 weeks after first, second, third, fourth, fifth, sixth, and seventh course of rituximab (median duration of 26, 90.9, 162.9, 232, 297.3, 354.4, and 406.7 weeks, respectively))