- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00551707
Multicenter Study to Evaluate CRx-102 vs. Each of Its Components to Treat Active Rheumatoid Arthritis (MARS-1)
A Randomized, Double-Blind, Placebo-Controlled, Multi-Center Study to Evaluate the Superiority of CRx-102 Over Each of Its Components When Given to Subjects With Active Rheumatoid Arthritis (RA)
CRx-102 is a synergistic combination drug candidate containing the cardiovascular drug dipyridamole and a very low dose of the glucocorticoid prednisolone. CRx-102 is believed to work through a novel mechanism of action in which dipyridamole selectively amplifies the anti-inflammatory and immunomodulatory activities of the glucocorticoid without replicating the dose-dependent adverse effects. CRx-102 has been associated with clinical benefit in proof of concept studies in subjects with hand Osteoarthritis (OA) and Rheumatoid Arthritis (RA).
In this trial, CRx-102 will be given to subjects with active RA as an add-on therapy to existing stable doses of Disease Modifying Anti-Rheumatic Drugs (DMARDs) including methotrexate (MTX), sulfasalazine, hydroxychloroquine, leflunomide or azathioprine. MTX in combination with other DMARDs (e.g., sulfasalazine or hydroxychloroquine) will be permitted to reflect the current standard of care practices within rheumatology.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Buenos Aires, Argentina
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San Jan, Argentina
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San Miguel de Tucuman, Argentina
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Santa Fe
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Rosario, Santa Fe, Argentina
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Manitoba
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Winnipeg, Manitoba, Canada
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Newfoundland and Labrador
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St. John's, Newfoundland and Labrador, Canada
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Ontario
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Hamilton, Ontario, Canada
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Windsor, Ontario, Canada
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Tallinn, Estonia
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Tartu, Estonia
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Bekescsaba, Hungary
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Esztergom, Hungary
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Szolnok, Hungary
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Kaunas, Lithuania
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Vilnius, Lithuania
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Aguascalientes
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Aguas Calientes, Aguascalientes, Mexico
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Guadalajara
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Vallarta Norte, Guadalajara, Mexico
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Bialystok, Poland
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Elblag, Poland
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Katowice, Poland
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Krakow, Poland
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Lublin, Poland
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Poznan, Poland
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Torun, Poland
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Warszawa, Poland
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Bucuresti, Romania
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Cluj Napoca, Romania
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Timisoara, Romania
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Moscow, Russian Federation
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St. Petersburg, Russian Federation
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Belgrade, Serbia
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Niska Banja, Serbia
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Gauteng
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Pretoria, Gauteng, South Africa
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Western Cape
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Cape Town, Western Cape, South Africa
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Worcester, Western Cape, South Africa
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Alabama
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Birmingham, Alabama, United States
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Huntsville, Alabama, United States
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Arizona
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Phoenix, Arizona, United States
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Arkansas
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Little Rock, Arkansas, United States
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California
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Anaheim, California, United States
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La Jolla, California, United States
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Westlake Village, California, United States
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Florida
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Palm Harbor, Florida, United States
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Kentucky
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Elizabethtown, Kentucky, United States
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New Jersey
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Haddon Heights, New Jersey, United States
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Ohio
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Mayfield Village, Ohio, United States
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Oklahoma
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Oklahoma City, Oklahoma, United States
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Texas
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Dallas, Texas, United States
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subject must voluntarily give written informed consent
- Subject must be ≥ 18 years of age
- Subject must have RA (ACR criteria)
- Subject must have at least 4 swollen joints and at least 6 tender joints at screening and baseline (28 joint count)
- Subject must have a CRP > Upper Limit of Normal at screening
- Subject must have been on DMARD or DMARD combination (e.g. MTX + hydroxychloroquine) for at least 3 months and be on a stable dose of DMARD(s) for at least 6 weeks prior to screening.
- For MTX subjects: MTX ≥ 7.5 mg weekly (po/sc/im) and willing to take folic acid or folinic acid supplementation
- Subject willing to take concomitant multivitamin or the equivalent of 400 I.U. vitamin D and the equivalent of 1000 mg of elemental calcium daily
Exclusion Criteria:
- History of clinically significant (as determined by the Investigator) cardiac, endocrinologic, hematologic, hepatic, immunologic, metabolic, urologic, pulmonary, neurologic, dermatologic, psychiatric, renal, and/or other major disease
- Wheelchair or bed bound
- History of osteoporotic fracture
- History of malignancy within the past 10 years. However, subjects with a history of treated or excised basal cell carcinoma or fewer than 3 squamous cell carcinomas are eligible to participate
- History of lymphoma or chronic leukemia
- Moles or lesions that are currently undiagnosed, but are suspicious for malignancy
- Surgery within the previous 3 months (except for minor dental and cosmetic)
- History of drug or alcohol abuse (as defined by the Investigator)
- History of bleeding disorder
- History of gastrointestinal bleeding within 5 years of screening
- History of severe migraines or headaches
- History of glaucoma
- Active diabetic retinopathy
- Visually compromising cataract
- History of opportunistic infection within the previous 12 months
- Active Tuberculosis (TB)
- Serious local infection (e.g., cellulitis, abscess) or systemic infection (e.g., septicemia) within 3 months prior to screening
- Fever or symptomatic viral or bacterial infection within 2 weeks prior to screening
- Positive for Hepatitis C virus (HCV) antibody
- Positive for HBsAg
- Known positive HIV antibody
- Has a history of hypersensitivity to glucocorticoids and/or dipyridamole
- Treatment with oral, intra-articular, intramuscular, or intravenous glucocorticoids within 6 weeks prior to screening; inhaled glucocorticoid is permitted
- Treatment with any tumor necrosis factor-alpha (TNFα) biologic, anakinra or abatacept within 2 months prior to screening
- Treatment with rituximab
- Treatment with another investigational drug 3 months prior to screening
- Treatment with anticoagulants including: dipyridamole, warfarin, clopidogrel, ticlopidine; Acetylsalicylic acid > 150 mg per day
- Treatment with any concomitant medications that have not been at a stable dose for at least 28 days prior to screening
- Alanine Aminotransferase (ALT) or Aspartate Aminotransferase (AST) laboratory values that exceed 1.5 x ULN
- HbA1C value of > 7.0%
- Current enrollment in any other study with investigational drug or device
- Female subject who is pregnant or lactating or of child bearing potential and not using acceptable methods of contraception (birth control pills, barriers or abstinence)
- Unwilling or unable to comply with the requirements of this protocol, including the presence of any condition (physical, mental, or social) that is likely to affect the subject's return for follow-up visits on schedule
- Other unspecified reasons that, in the opinion of the Investigator or sponsor make the subject unsuitable for enrollment
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: TRIPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: CRx-102 (2.7/180)
CRx-102 dose 1 total daily dose during treatment period (days 14-98) 2.7 mg prednisolone plus 180 mg dipyridamole administered as 1.8 mg prednisolone plus 90 mg dipyridamole at 8 AM and 0.9 mg prednisolone plus 90 mg dipyridamole at 1 PM titration dose (days 0-13) 2.7 mg prednisolone plus 90 mg dipyridamole administered as 1.8 mg prednisolone plus 45 mg dipyridamole at 8 AM and 0.9 mg prednisolone plus 45 mg dipyridamole at 1 PM
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prednisolone 2.7 mg plus dipyridamole 180 mg
Other Names:
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EXPERIMENTAL: CRx-102 (2.7/360)
CRx-102 Dose 2 total daily dose during treatment period (days 14-98) 2.7 mg prednisolone plus 360 mg dipyridamole administered as 1.8 mg prednisolone plus 180 mg dipyridamole at 8 AM and 0.9 mg prednisolone plus 180 mg dipyridamole at 1 PM titration dose 1 (days 0-6) 2.7 mg prednisolone plus 90 mg dipyridamole administered as 1.8 mg prednisolone plus 45 mg dipyridamole at 8 AM and 0.9 mg prednisolone plus 45 mg dipyridamole at 1 PM titration dose 2 (days 7-13) 2.7 mg prednisolone plus 180 mg dipyridamole administered as 1.8 mg prednisolone plus 90 mg dipyridamole at 8 AM and 0.9 mg prednisolone plus 90 mg dipyridamole at 1 PM
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prednisolone 2.7 mg plus dipyridamole 180 mg
Other Names:
Prednisolone 2.7 mg plus Dipyridamole 360 mg
Other Names:
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ACTIVE_COMPARATOR: Prednisolone
treatment dose ( days 0-98) total daily dose of 2.7 mg prednisolone administered as 1.8 mg prednisolone at 8 AM and 0.9 mg prednisolone at 1 PM
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prednisolone (2.7 mg)
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ACTIVE_COMPARATOR: Dipyridamole
total daily dose during treatment period (days 14-98) 360 mg dipyridamole administered as 180 mg dipyridamole at 8 AM and and 180 mg dipyridamole at 1 PM titration dose 1 (days 0-6) 90 mg dipyridamole administered 45 mg dipyridamole at 8 AM and 45 mg dipyridamole at 1 PM titration dose 2 (days 7-13) 180 mg dipyridamole administered as 90 mg dipyridamole at 8 AM and 90 mg dipyridamole at 1 PM
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dipyridamole 360 mg
Other Names:
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PLACEBO_COMPARATOR: Placebo
placebo administered twice per day at 8 AM and 1 PM
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placebo
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Absolute C-reactive Protein (CRP) Values at Day 98 - As Treated Population
Time Frame: Day 98
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Preliminary review of the efficacy dataset revealed that the efficacy dataset was not robust enough to support an extensive formal efficacy analysis as described in the SAP.
Therefore, only the CRP values over time and the percent change in CRP values in the As-Treated population were calculated.
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Day 98
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Percent Change From Baseline to Day 98 in C-reactive Protein (CRP) Values - As Treated Population
Time Frame: baseline to day 98
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Preliminary review of the efficacy dataset revealed that the efficacy dataset was not robust enough to support an extensive formal efficacy analysis as described in the SAP.
Therefore, only the CRP values over time and the percent change in CRP values in the As-Treated population were calculated.
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baseline to day 98
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To Assess the Superiority of CRx-102 Compared to Prednisolone and Dipyridamole Using American College of Rheumatology Rating Scale (20% or More Improvement; ACR20) Calculated From Baseline to Day 98 in Subjects With Active Rheumatoid Arthritis
Time Frame: baseline to day 98
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Preliminary review of the efficacy dataset revealed that the efficacy dataset was not robust enough to support an extensive formal efficacy analysis as described in the SAP.
Therefore, only the CRP values over time and the percent change in CRP values in the As-Treated population were calculated.
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baseline to day 98
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To Assess the Efficacy of CRx-102 Compared to Placebo Using ACR 20 Calculated From Baseline to Day 98
Time Frame: baseline to 98 Days
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Preliminary review of the efficacy dataset revealed that the efficacy dataset was not robust enough to support an extensive formal efficacy analysis as described in the SAP.
Therefore, only the CRP values over time and the percent change in CRP values in the As-Treated population were calculated.
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baseline to 98 Days
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Immune System Diseases
- Autoimmune Diseases
- Joint Diseases
- Musculoskeletal Diseases
- Rheumatic Diseases
- Connective Tissue Diseases
- Arthritis
- Arthritis, Rheumatoid
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Vasodilator Agents
- Autonomic Agents
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Anti-Inflammatory Agents
- Platelet Aggregation Inhibitors
- Antineoplastic Agents
- Antiemetics
- Gastrointestinal Agents
- Glucocorticoids
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Neuroprotective Agents
- Protective Agents
- Phosphodiesterase Inhibitors
- Prednisolone
- Methylprednisolone Acetate
- Methylprednisolone
- Methylprednisolone Hemisuccinate
- Prednisolone acetate
- Prednisolone hemisuccinate
- Prednisolone phosphate
- Dipyridamole
Other Study ID Numbers
- CRx-102-007
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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