Long-term Efficacy and Safety of Repeated Ofatumumab Treatment Courses in RA Patients Who Previously Received Ofatumumab or Placebo in Trial Hx-CD20-403



Status:Terminated
Conditions:Arthritis, Rheumatoid Arthritis
Therapuetic Areas:Rheumatology
Healthy:No
Age Range:18 - Any
Updated:12/7/2017
Start Date:January 1, 2008
End Date:March 19, 2013

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An Open-label, International, Multi-center, Phase II, Extension Trial Investigating Long-term Efficacy and Safety of Repeated Treatment Courses of Ofatumumab, a Fully Human Monoclonal Anti-CD20 Antibody, in Adult Patients With Active Rheumatoid Arthritis Who Previously Received Ofatumumab or Placebo

A 3-year open-label trial for patients who previously participated in Trial Hx-CD20-403 and
who fulfill the eligibility criteria for this trial (GEN413) . Th e primary purpose of the
trial is to evaluate the long-term effectiveness of repeated courses ( a maximum of 9
treatment courses) of ofatumumab in RA patients who previously received ofatumumab or placebo
in Trial Hx-CD20-403.

All patients who fulfill the eligibility criteria for this trial , will initiate at least one
treatment course of ofatumumab, and depending of subsequent worsening in disease activity
will be eligible to received further treatment through the 156 week treatment period: a
maximum of a further 8 treatment courses will be given at individualized time intervals . The
interval between each treatment course will be at least 16 weeks with the last treatment
course given no later than week 130 after baseline (Visit 2A).

After each treatment course the patients will attend their next trial visit 8 weeks after
Infusion 1, followed by trial visits every 4 weeks up to Week 24, and subsequently every 8
weeks until the next treatment course.

After completing the Treatment Period or after withdrawing from the Treatment Period
prematurely patients will be followed every 12 weeks (Follow-up Period) until CD19+ cells
&/or IgG levels have returned to baseline or normal levels.

Inclusion Criteria:

- Previously received ofatumumab or placebo in Trial Hx-CD20-403.

- Patients on methotrexate therapy (7.5 - 25 mg/week, p.o., i.m., and/or s.c.).

- Oral corticosteroids therapy (≤ 10 mg/day prednisolone or equivalent).

- Active disease at the time of screening as defined by:

- 3 swollen joints (of 28 joints assessed) and ≥ 3 tender joints (of 28 joints
assessed), DAS28≥3.2 (based on ESR)

Exclusion Criteria:

- Use of DMARDs other than methotrexate or exposure to other cell depleting therapy,
including investigational compounds < 6 months prior to Visit 2 A.

- Patients who have received treatment with any non-marketed drug substance within 4
weeks prior to Visit 1 (screening).

- Breast feeding women or women with a positive pregnancy test at Visit 1 (screening).

- Received anti-cancer therapy, corticosteroids (intra-articular, i.m., or i.v.), or
live/attenuated vaccinations, or exposure to cyclophosphamide, nitrogen mustard,
chlorambucil or other alkylating agents < 5 years prior to screening.

- Past or current malignancy, except for Cervical carcinoma Stage 1B or less,
Non-invasive basal cell and squamous cell skin carcinoma, Malignant melanoma with a
complete response of a duration of > 10 years, or other cancer diagnoses with a
complete response of a duration of > 5 years.

- Chronic or ongoing active infectious disease requiring systemic treatment.

- Clinically significant cardiac disease, or history of significant cerebrovascular
disease.

Significant concurrent, uncontrolled medical conditions, but not limited to, renal,
hepatic, hematological, gastrointestinal, endocrine, pulmonary, neurological, cerebral
psychiatric disease

- Known or suspected HIV positive, positive serology for hepatitis B (HB), positive test
for Hepatitis C, or positive plasma or white cell JC virus (JCV) PCR (either
compartment).

- A circulating IgG level
- Known hypersensitivity to components of the investigational medicinal product.

- Patients known or suspected of not being able to comply with a study protocol.

- Women of child bearing potential not will to use adequate contraception during study
We found this trial at
5
sites
Los Angeles, California 90025
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Los Angeles, CA
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Duncansville, Pennsylvania 16635
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Duncansville, PA
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Fort Lauderdale, Florida 33308
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Fort Lauderdale, FL
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Glostrup, 2600
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Glostrup,
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New York, New York 10032
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New York, NY
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