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A Study of Two Doses of MRC375 in Moderate to Severe Rheumatoid Arthritis Patients

9 maja 2014 zaktualizowane przez: Molecular Research Center, Inc.

A 24-week, Phase 2, Double-blind, Placebo-controlled, Randomized Study to Assess the Safety and Efficacy of 2 Doses of MRC375 in Patients With Moderate to Severe Rheumatoid Arthritis

This study will treat moderate to severe rheumatoid arthritis with MRC375 (either 75 mg 3 times a day, 150 mg 3 times a day or placebo 3 times a day)in patients 18 years of age or older that can be currently on low doses of methotrexate or can stop treatment of current RA medications to enter the study. Safety of MRC375 will also be evaluated. There are up to 8 clinic visits over 24 weeks.

Przegląd badań

Status

Nieznany

Warunki

Szczegółowy opis

This is a double-blind, randomized, placebo-controlled study to assess the safety and efficacy of MRC375 at 75 mg or 150 mg with matching placebo (taken tid with meal or light snack) in patients with moderate to severe RA. Patients will be randomized to one of the following study arms for 24 weeks:

  • Treatment 1, Placebo: 2 tablets taken tid
  • Treatment 2, MRC375: 1 tablet of 75 mg tetracycline HCL plus 1 matching placebo tablet taken tid. Total daily dose = 225 mg.
  • Treatment 3, MRC375: 2 tablets of 75 mg tetracycline HCL taken tid. Total daily dose = 450 mg.

Study medication should be taken within 30 minutes of a meal or light snack (either before or after).

Typ studiów

Interwencyjne

Zapisy (Oczekiwany)

300

Faza

  • Faza 2

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Lokalizacje studiów

    • Alabama
      • Mobile, Alabama, Stany Zjednoczone, 36608
        • Mobile Diagnostic Center Rheumatology
    • California
      • Long Beach, California, Stany Zjednoczone, 90806
        • Valerius Medical Group
      • Los Alamitos, California, Stany Zjednoczone, 90720
        • Trial Concierge/Pacific Clinical Studies
      • Los Angeles, California, Stany Zjednoczone, 90036
        • Axis Clinical Trials
    • Florida
      • Edgewater, Florida, Stany Zjednoczone, 32132
        • Riverside Clinical Research
      • Miami, Florida, Stany Zjednoczone, 33156
        • Global Clinical Professionals
      • Palm Harbor, Florida, Stany Zjednoczone, 34684
        • The Arthritis Center
      • Summerfield, Florida, Stany Zjednoczone, 34491
        • Lakeview Medical Research
    • Kansas
      • Lenexa, Kansas, Stany Zjednoczone, 66219
        • Analan Clinical Research
    • Kentucky
      • Owensboro, Kentucky, Stany Zjednoczone, 42303
        • Trial Concierge
    • Nebraska
      • Omaha, Nebraska, Stany Zjednoczone, 68114
        • Quality Clinical Research, Inc.
    • Nevada
      • Las Vegas, Nevada, Stany Zjednoczone, 89123
        • Advanced Biomedical Research of America
      • Reno, Nevada, Stany Zjednoczone, 89502
        • Arthritis Center of Reno
    • North Carolina
      • Salisbury, North Carolina, Stany Zjednoczone, 28144
        • PMG Research of Salisbury
    • Ohio
      • Dayton, Ohio, Stany Zjednoczone, 45439
        • Providence Health Partners
      • Middleburg Heights, Ohio, Stany Zjednoczone, 44130
        • Paramount Medical Research & Consulting, LLC
    • Virginia
      • Williamsburg, Virginia, Stany Zjednoczone, 23185
        • The Center for Excellence in Aging and Geriatric Health
    • Washington
      • Kennewick, Washington, Stany Zjednoczone, 99336
        • Apex Clinical Research
      • Olympia, Washington, Stany Zjednoczone, 98502
        • South Puget Sound Clinical Research Center

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

18 lat i starsze (Dorosły, Starszy dorosły)

Akceptuje zdrowych ochotników

Nie

Płeć kwalifikująca się do nauki

Wszystko

Opis

Inclusion Criteria:

  1. Is 18 years of age
  2. Is diagnosed with moderate to severe adult onset RA > = 6 months duration, as defined by the 1987 ACR classification criteria
  3. Has moderate to severe RA as defined by:

    • ≥4 tender joints/painful (28 joint count) at screening
    • ≥4 swollen joints (28 joint count) at screening
  4. Has a Health Assessment Questionnaire (HAQ) of >0
  5. Has a physician global assessment (Likert scale) of >0
  6. Has a patient global assessment of pain (Likert scale) of >0
  7. Has a patient assessment of pain (Likert scale) of >0
  8. Has stable doses of the following allowable medications during the study, if applicable:

    • Stable dose of NSAIDs or other analgesics for at least 2 weeks prior to administration of study drug at regulatory approved doses
    • Stable dose of methotrexate 7.5 mg to 25 mg/day once weekly for at least 6 weeks prior to administration of study drug (no changes in dosing regimen for 4 weeks prior to screening)
    • Stable dose of hydroxychloroquine either monotherapy or in combination with methotrexate 8 weeks prior to administration of study drug
  9. Is a non-pregnant, non-lactating female who is postmenopausal, naturally or surgically sterile, or who agree to use effective contraceptive methods throughout the course of the study. Postmenopausal is defined as at least 12 months natural spontaneous amenorrhea
  10. If female of childbearing potential, must agree to use one of the following acceptable birth control methods:

    • Surgically sterile (bilateral tubal ligation with surgery at least 6 weeks prior to screening, hysterectomy, or bilateral oophorectomy);
    • Intrauterine device (IUD) in place for at least 3 months prior to first dose of study drug;
    • Abstinence (not having sexual intercourse);
    • Barrier method (condom or diaphragm) with spermicide for at least 14 days prior to screening and through study completion;
    • Stable hormonal contraceptive for at least 3 months prior to study and through study completion
  11. If female of childbearing potential, has a negative serum hCG pregnancy test at screening
  12. Is able to swallow whole tablets of orally administered medication
  13. Is able to understand and provide signed informed consent.

Exclusion Criteria:

  1. Has been diagnosed with any other inflammatory arthritis (eg, psoriatic arthritis)
  2. Has a secondary type of arthritis (eg, osteoarthritis) that would interfere with study evaluations
  3. Has taken the following drugs within the timeframe specified below:

    • Infliximab, etanercept, adalimumab, abatacept, or other biological therapies (except rituximab) - Within 12 weeks prior to the administration of study drug;
    • Rituximab - Within 12 months prior to the administration of study drug;
    • Disease-modifying antirheumatic drugs (DMARDs) or other anti-rheumatic therapies not specified above including but not limited to: sulfasalazine, gold, leflunomide, penicillamine, dapsone, azathioprine, 6-mercaptopurine, chlorambucil, cyclophosphamide, cyclosporin, mycophenolate mofetil - Within 12 weeks prior to the administration of study drug;
    • Any steroids (glucocorticoids); glucocorticoids must be discontinued for at least 4 weeks prior to administration of study drug. Intraarticular, intramuscular, or intravenous glucocorticoids must not have been given at least 6 weeks prior to administration of study drug.
    • Note: Use of probiotics is allowed and is NOT an exclusion criterion.
  4. Has a uncontrolled symptoms of fibromyalgia with sufficient symptoms requiring treatment (NOTE: patients on a stable dose of treatment for symptoms of fibromyalgia ≥ 4 weeks will be allowed in the study.)
  5. Has a history of allergic reaction to tetracycline or other related drugs
  6. Had major surgery or trauma within 28 days prior to screening
  7. Is concurrently using minocycline or doxycycline (washout of 4 weeks required before the administration of study drug)
  8. Patients who are on chronic antibiotics or who are on antibiotics for GI infections (such as Clostridium difficile)
  9. Has clinically significant ECG abnormalities
  10. Has any clinically significant abnormal laboratory test results found during medical screening including: AST or ALT > 2 x upper limit of normal or serum creatinine > 2.0 mg/dL
  11. Has clinically significant history or presence of any gastrointestinal pathology (eg, chronic diarrhea, inflammatory bowel disease, acute diverticulitis), irritable bowel syndrome, unresolved gastrointestinal symptoms (eg. diarrhea, vomiting, symptoms of acute diverticulitis), liver or kidney disease, gastric bypass, gastric stapling, use of Lap-Band®, or other conditions known to or which might interfere with the absorption, distribution, metabolism, or excretion of the drug
  12. Has any historical or active neurological, endocrine, cardiovascular, pulmonary, hematological, psychiatric, or metabolic disease that is considered clinically significant by the Investigator
  13. Has known history of HIV, hepatitis B or C (patients that have positive hepatitis B serology due to prior vaccination will be allowed in the study)
  14. Has an active malignancy of any type or history of malignancy. Patients who have a history of a successfully treated non-metastatic cutaneous squamous cell or basal cell carcinoma (ie. non melanoma skin cancer)and/or localized carcinoma in situ of the cervix are eligible. Patients with a history of other malignancies that have been treated and who have no evidence of recurrence for at least 5 years before study enrollment are also eligible.
  15. Has difficulty swallowing tablets
  16. Is ACR Functional Class IV (limited ability to perform usual self-care, vocational, and avocational activities)
  17. Has known or suspected pregnancy, planned pregnancy, or lactation (for female patients)
  18. Has clinically significant mental illness (to be determined by the Investigator)
  19. Has a history in the last 2 years or current evidence of abuse of illicit drugs, prescription medications, or alcohol that, in the opinion of the Investigator, would interfere with adherence to study requirements. Has exposure to any investigational agent within 30 days prior to study entry.
  20. Was previously enrolled in this study
  21. Has recent history of bacterial intestinal tract infection (gastroenteritis, colitis, diverticulitis, appendicitis)
  22. Has a condition the Investigator believes would interfere with the ability to provide informed consent or comply with study instructions, or that might confound the interpretation of the study results or put the patient at undue risk

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

  • Główny cel: Leczenie
  • Przydział: Randomizowane
  • Model interwencyjny: Przydział równoległy
  • Maskowanie: Poczwórny

Broń i interwencje

Grupa uczestników / Arm
Interwencja / Leczenie
Komparator placebo: Placebo
Matching Placebo 3 times a day for 24 weeks. Early escape at week 16,20.
Eksperymentalny: MRC375 75 mg
MRC375 (enteric coated Tetracycline) 75 mg 3 times a day
MRC 375 (enteric coated Tetracycline) 75mg 3 times a day for 24 weeks.
Eksperymentalny: MRC375 150mg
MRC375 (enteric coated Tetracycline) 150mg 3 times a day for 24 weeks.
MRC375 (enteric coated Tetracycline) 150mg 3 times a day for 24 weeks

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
Efficacy evaluated of both doses of MRC375 compared to placebo after 24 weeks of treatment as measured by the rate of achievement of 20% improvement in ACR criteria
Ramy czasowe: 24 weeks
evaluate efficacy of both doses of MRC375 compared to placebo after 24 weeks of treatment, as measured by a rate of achievement of 20% improvement in American College of Rheumatology (ACR) criteria (ACR20) at Week 24
24 weeks

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
Safety and tolerability of both doses of MRC375
Ramy czasowe: 24 weeks
evaluate the safety and tolerability of both doses of MRC375 tablets
24 weeks
Compare the Efficacy of two doses of MRC375 when compared to a placebo for the change from baseline screening in each of the individual ACR components measuring RA after 24 weeks of treatment
Ramy czasowe: 24 weeks
compare the efficacy of 2 doses of MRC375 tablets (75 mg tid and 150 mg tid) when compared to placebo for the change from baseline screening in each of the individual ACR components measuring rheumatoid arthritis (RA) after 24 weeks of treatment.
24 weeks

Współpracownicy i badacze

Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów

1 listopada 2011

Zakończenie podstawowe (Oczekiwany)

1 lipca 2014

Ukończenie studiów (Oczekiwany)

1 lipca 2014

Daty rejestracji na studia

Pierwszy przesłany

2 sierpnia 2011

Pierwszy przesłany, który spełnia kryteria kontroli jakości

2 sierpnia 2011

Pierwszy wysłany (Oszacować)

3 sierpnia 2011

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Oszacować)

12 maja 2014

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

9 maja 2014

Ostatnia weryfikacja

1 maja 2014

Więcej informacji

Terminy związane z tym badaniem

Te informacje zostały pobrane bezpośrednio ze strony internetowej clinicaltrials.gov bez żadnych zmian. Jeśli chcesz zmienić, usunąć lub zaktualizować dane swojego badania, skontaktuj się z register@clinicaltrials.gov. Gdy tylko zmiana zostanie wprowadzona na stronie clinicaltrials.gov, zostanie ona automatycznie zaktualizowana również na naszej stronie internetowej .

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