Efficacy Study of MM-093 in Rheumatoid Arthritis Patients on Methotrexate (MTX)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00105976
Recruitment Status : Completed
First Posted : March 21, 2005
Last Update Posted : July 11, 2008
Information provided by:
Merrimack Pharmaceuticals

Brief Summary:
The purpose of this clinical study is to see if an experimental drug, called MM-093, is safe and effective in the treatment of rheumatoid arthritis. MM-093 is a genetically engineered version of a naturally occurring protein called alpha fetoprotein (AFP). Adults normally have very small amounts of AFP in their bloodstream. However, during pregnancy, AFP levels in both the mother and the fetus are much higher than normal. It has been observed that women with RA (Rheumatoid Arthritis) have fewer symptoms during pregnancy, particularly during the third trimester. At this time, the levels of AFP in the blood of the mother and fetus are the highest. This observation led researchers to begin examining AFP as a possible treatment for RA.

Condition or disease Intervention/treatment Phase
Rheumatoid Arthritis Drug: MM-093 Phase 2

Study Type : Interventional  (Clinical Trial)
Enrollment : 260 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Phase 2, Double-Blind, Parallel, Placebo-Controlled, Randomized Study to Evaluate the Efficacy and Safety of 3 Different Dose Levels (2.5, 7.5 and 20 mg) of MM-093 in Patients With Active Rheumatoid Arthritis on Stable Doses of Methotrexate
Study Start Date : February 2005

Resource links provided by the National Library of Medicine

Primary Outcome Measures :
  1. To evaluate the efficacy of 3 different dose levels of MM-093 as measured by the percentage of patients achieving an ACR20 response after 24 weeks compared to placebo
  2. To evaluate the safety and tolerability of 3 different dose levels of MM-093

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 80 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Aged 18-80 years
  • Meet ACR (American College of Rheumatology) criteria for RA
  • Have active RA consisting of 6 or more swollen and 6 or more tender joints
  • Have RA for at least 6 months
  • Had disease onset after 16 years old
  • Currently being treated with a stable, well-tolerated dose of MTX (10 to 25 mg) given once weekly for at least 6 consecutive weeks prior to the screening visit
  • Currently being treated with folic acid
  • Willing to remain on a constant, once-weekly dose of MTX and folic/folinic acid throughout the duration of the study.
  • Understand, sign, and date the written voluntary informed consent form at the screening visit prior to any protocol-specific procedures being performed.
  • Be able and willing to comply with study visits and procedures per protocol.
  • Sexually active men must agree to use a medically acceptable form of contraception during the study and continue for 4 weeks after the last dose of study drug.
  • Women of childbearing potential must use a medically acceptable means of birth control during the study and for 4 weeks after the last dose
  • Must be able to store study drug in a refrigerator at home

Exclusion Criteria:

  • Use of any B-cell depleting therapy in the last 6 months
  • Use of Leflunomide or Humira in the last 3 months
  • Use of any investigational drug or biologic agent in the last 2 months
  • Use of Remicade in the last 2 months
  • Use of cyclosporine, sulphasalazine, auranofin, intramuscular gold, azathioprine, D-penicillamine or tacrolimus within the last 6 weeks
  • Use of more than 10 mg/day of prednisone or equivalent in the last 4 weeks
  • Use of intra-articular corticosteroid injection in the last 4 weeks
  • Use of a bolus IM/IV (intramuscular/intravenous) treatment with corticosteroids (>20 mg prednisone or equivalent) in the last 4 weeks
  • Use of Enbrel in the last 4 weeks
  • Use of Kineret in the last 2 weeks
  • Current use of more than 1 NSAID (non-steroidal anti-inflammatory drug) or dose of NSAID greater than the maximum recommended dose in the product information
  • Cancer, or a history of cancer (other than successfully resected cutaneous basal and squamous cell carcinoma) within 5 years before the screening visit.
  • Any condition for which participation in this study is judged by the physician to be detrimental to the patient, such as history of significant or unstable cardiac, pulmonary, gastrointestinal, neurological, or psychiatric disease, or a DMARD (Disease-Modifying Anti-Rheumatic Drug)-related severe, potentially life-threatening AE (Adverse Event).
  • Significant ongoing infection requiring systemic antibiotic, antifungal, antiviral, or any anti-mycobacterial therapy.
  • Autoimmune or connective tissue disorder other than rheumatoid arthritis (e.g. systemic lupus erythematosis, scleroderma or psoriatic arthritis).
  • Grade 2 or above leukopenia (i.e. white blood cells < 3000/mm3 [SI units: < 3.0 x 10^9/L]).
  • Thrombocytopenia or thrombocytosis (platelets < 125,000/mm3 or ≥ 1,000,000/mm3 [SI units: < 125 x 10^9/L or ≥ 1,000 x 10^9/L]), respectively.
  • Grade 2 or above liver function abnormality (i.e. total bilirubin > 1.5 x the upper limit of normal; or aspartate aminotransferase [AST/SGOT] or alanine aminotransferase [ALT/SGPT] > 2.5 x upper limit of normal).
  • Renal disease (including serum creatinine level > 1.5 x the upper limit of normal).
  • Any history of immunodeficiency syndromes or infection with human immunodeficiency virus (HIV), or a history of hepatitis C or chronic hepatitis B.
  • Pregnant or breastfeeding women or women planning to become pregnant during the study or within 4 weeks after the last dose of study drug.
  • Any major surgery, including joint surgery, within 3 months before screening visit.
  • Scheduled elective surgery during study participation.
  • Participated in any previous clinical trial using MM-093 or have any prior exposure to MM-093.
  • History of severe hypersensitivity to goat, sheep or cow milk or products derived from goat, sheep or cow milk (patients who are lactose intolerant are not excluded).
  • Any other condition that the investigator feels would jeopardize the integrity of the study (e.g. a CTCAE [Common Terminology Criteria for Adverse Events] grade 2 or above clinical finding or laboratory result).

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00105976

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Sponsors and Collaborators
Merrimack Pharmaceuticals Identifier: NCT00105976     History of Changes
Other Study ID Numbers: MM-093-01-200
First Posted: March 21, 2005    Key Record Dates
Last Update Posted: July 11, 2008
Last Verified: July 2008

Additional relevant MeSH terms:
Arthritis, Rheumatoid
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Connective Tissue Diseases
Autoimmune Diseases
Immune System Diseases
Abortifacient Agents, Nonsteroidal
Abortifacient Agents
Reproductive Control Agents
Physiological Effects of Drugs
Antimetabolites, Antineoplastic
Molecular Mechanisms of Pharmacological Action
Antineoplastic Agents
Dermatologic Agents
Enzyme Inhibitors
Folic Acid Antagonists
Immunosuppressive Agents
Immunologic Factors
Antirheumatic Agents
Nucleic Acid Synthesis Inhibitors