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A randomised, double-blind, placebo controlled, multi-centre, exploratory, pilot, phase II trial of 150 mg atacicept given subcutaneously in combination with rituximab in subjects with rheumatoid arthritis. - Atacicept in combination with rituximab in subjects with rheumatoid arthritis

Phase 1
Conditions
Rheumatoid arthritis.
MedDRA version: 9.1Level: LLTClassification code 10039073Term: Rheumatoid arthritis
Registration Number
EUCTR2007-003647-75-NL
Lead Sponsor
Merck Serono International
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
All
Target Recruitment
0
Inclusion Criteria

The trial will enrol male and female subjects ³18 years of age at the time of Informed Consent who have rheumatoid arthritis satisfying American College of Rheumatology criteria and a disease history of at least 12 months. Subjects must have active disease; defined by ³8 swollen joints (out of 66), ³8 tender joints (out of 68) and CRP ³6 mg/L or ESR ³28 mm/h. Subjects must have received previous treatment with rituximab and must be candidates for re-treatment with rituximab: i.e. they must have a documented response after an observation period of at least 16 weeks from initiation of treatment to a previous course of rituximab treatment given at least 24 weeks before SD1 and they must have significant residual active disease after previous rituximab treatment or clinical deterioration after initial response (defined by satisfying the above criteria for active disease).Female subjects of childbearing potential must be willing to avoid pregnancy by using an adequate method of contraception for four weeks before SD1, during the treatment period and for 12 months after the last dose of rituximab, and must have a negative urine pregnancy test at the screening visit and at SD1.
Are the trial subjects under 18? yes
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

Main exclusion criteria are:
· Neurological disease.
· Inflammatory joint disease other than RA.
· Any contraindication to rituximab as per national label.
· Known presence of human anti-chimeric antibodies (HACA) to rituximab.
· Use of disease-modifying anti-rheumatic drugs (DMARDs; including methotrexate) for less than 3 months or change in dosing regimen within 28 days before SD1, or methotrexate dose regimen >25 mg/week.
· Participation in any interventional clinical trial within 1 month before SD1 (or within 5 half-lives of the investigated compound before SD1, whichever is longer).
· Prednisone dose regimen >10 mg/day (or equivalent), or change in steroid dosing regimen within 28 days before SD1.
· Active or latent tuberculosis within the year before screening or major infection requiring hospitalisation or intravenous anti-infectives within 28 days before SD1.
· Serum IgG below 6 g/L.
· Known hypersensitivity to atacicept or to any of the components of the formulated atacicept.
· Known hypersensitivity to rituximab, to any of the components of the formulated rituximab or to murine proteins.
· Breastfeeding or pregnancy.

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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