Rheumatoid Arthritis Clinical Trial
Official title:
B Cell Depletion Therapy in Rheumatoid Arthritis: An Analysis of Peripheral Blood T Cell Subsets
Verified date | May 2008 |
Source | Chinese University of Hong Kong |
Contact | n/a |
Is FDA regulated | No |
Health authority | Hong Kong: Department of Health |
Study type | Interventional |
To study the effects of T cell in peripheral blood of patients with RA undergoing selective B cell depletion have not been studied. We analyze the B and T cell subsets in patients with active RA treated undergoing this form of treatment with rituximab.
Status | Completed |
Enrollment | 10 |
Est. completion date | May 2008 |
Est. primary completion date | May 2008 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 21 Years to 70 Years |
Eligibility |
Inclusion Criteria: - Age 21 or above - Fulfilled the 1978 American college of Rheumatology(ACR) criteria for RA - Seropositive for RF with RF>20 IU/ml - Active disease despite treatment with at least 2 stable dose of DMARDs for at least 16 weeks, including MRX>10mg weekly - 4 or more swollen and/or tender joints - Stable dose of prednisolone<=12.5mg/day or NASID for at lease 4 weeks - MTX>10mg/wk and folic acid>10 mg/wk for at lease 4 weeks Exclusion Criteria: - Little or no ability for self-care - Used a DMARD other than MTX(Leflunomide should be wash-out with cholestyramine 4 weeks prior screening) - Received intra-articular,intramuscular, or intravenous corticosteroids in the last 4 weeks - Concurrent treatment with any biologics within 8 weeks - Infected joint prosthesis during the previous 5 years - Autoimmune disease other than RA(except concurrent Sjogren's syndrome), active rheumatoid vasculitis, and history of systemic disease associated with arthritis, chronic fatigue syndrome. - Serious infections, such as hepatitis, pneumonia, pyelonephritis in the previous 3 months - Any chronic infectious disease such as renal infection, chest infection with bronchiectasis or sinusitis - Recurrent bacterial infections with encapsulated organisms, primary or secondary immunodeficiency - Active tuberculosis requiring treatment within the previous 3 years - Opportunistic infection such as herpes zoster within the previous 2 months - Any evidence of active cytomegalovirus;active Pneumocystis Jirovecl;or drug-resistant atypical mycobacterial infection - Known hypersensitivity to murine proteins - Current signs or symptoms of severe,progressive,or uncontrolled renal,hepatic,haematological,gastrointestinal,endocrine,pulmonary,cardias,neurological,or cerebral disease - A history of lymphoproliferative disease including lymphoma or signs suggestive of disease,such as lymphadenopathy of unusual size or location(ie,lymphadenopathy nodes,in the posterior tangle of the neck,infraclavicular epitrochlear,or periaortic areas);splenomegaly - Any know malignant disease except basal cell carcinoma currently or in the last 5 years |
Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
China | Department of Medicine and Therapeutics | Hong Kong |
Lead Sponsor | Collaborator |
---|---|
Chinese University of Hong Kong |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The proportion of patients who achieved a response according to the ACR 20 response criteria at 24 weeks and 54 weeks after the initial infusion | wk52 | Yes | |
Secondary | The proportion of patients who achieved a response according to ACR50,ACR70, physician's assessment of disease activity,patient's assessment of physical function by means of a health-assessment questionnaire(HAQ),quality of life measure by SF-36 | wk52 | Yes |
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