{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%2B+methotrexate+%28MTX%29+%28Group+1%29",
    "query": {
      "intervention": "Placebo + methotrexate (MTX) (Group 1)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%2B+methotrexate+%28MTX%29+%28Group+1%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T13:49:08.164Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT01500278",
      "title": "Study to Assess the Short- and Long-term Efficacy of Certolizumab Pegol Plus Methotrexate Compared to Adalimumab Plus Methotrexate in Subjects With Moderate to Severe Rheumatoid Arthritis (RA) Inadequately Responding to Methotrexate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Certolizumab Pegol (CZP)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Adalimumab (ADA)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Methotrexate (MTX)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "UCB Pharma SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 915,
      "start_date": "2011-12",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2018-07-31",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 62,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Tucson, Arizona + 56 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Covina",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01500278"
    },
    {
      "nct_id": "NCT00973479",
      "title": "An Effectiveness and Safety Study of Intravenous Golimumab in Patients With Active Rheumatoid Arthritis Despite Treatment With Methotrexate Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis, Rheumatoid"
      ],
      "interventions": [
        {
          "name": "Golimumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "methotrexate (MTX)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Centocor, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 592,
      "start_date": "2009-09",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2013-12-25",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 9,
      "location_summary": "Daytona Beach, Florida • Miami, Florida • Palm Harbor, Florida + 6 more",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Palm Harbor",
          "state": "Florida"
        },
        {
          "city": "Moline",
          "state": "Illinois"
        },
        {
          "city": "Wheaton",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00973479"
    },
    {
      "nct_id": "NCT00298272",
      "title": "Safety and Tolerability of Rituxan With Methotrexate and Etanercept or Methotrexate and Adalimumab in Patients With Active Rheumatoid Arthritis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "IDEC-C2B8 (rituximab)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Etanercept",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Folate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 54,
      "start_date": "2006-05",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2015-09-28",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 18,
      "location_summary": "Huntsville, Alabama • Paradise Valley, Arizona • Palm Desert, California + 15 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Paradise Valley",
          "state": "Arizona"
        },
        {
          "city": "Palm Desert",
          "state": "California"
        },
        {
          "city": "Jupiter",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00298272"
    },
    {
      "nct_id": "NCT01004432",
      "title": "Golimumab in Rheumatoid Arthritis Participants With an Inadequate Response to Etanercept (ENBREL) or Adalimumab (HUMIRA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis",
        "Arthritis, Rheumatoid",
        "Autoimmune Diseases"
      ],
      "interventions": [
        {
          "name": "Golimumab 50 mg SC",
          "type": "DRUG"
        },
        {
          "name": "Golimumab 2 mg/kg IV",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate (MTX)",
          "type": "DRUG"
        },
        {
          "name": "Placebo SC",
          "type": "DRUG"
        },
        {
          "name": "Placebo IV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Biotech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 433,
      "start_date": "2009-12",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2015-04-30",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 89,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Tuscaloosa, Alabama + 86 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01004432"
    },
    {
      "nct_id": "NCT00579878",
      "title": "Triple III Comparison of Leflunomide Alone Versus Two DMARD Combinations in the Treatment of Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Leflunomide",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate-Sulfasalazine-Hydroxychloroquine",
          "type": "DRUG"
        },
        {
          "name": "Leflunomide-Sulfasalazine-Hydroxychloroquine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "19 Years to 80 Years"
      },
      "enrollment_count": 69,
      "start_date": "2001-03-27",
      "completion_date": "2010-03-11",
      "has_results": true,
      "last_update_posted_date": "2023-10-02",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00579878"
    },
    {
      "nct_id": "NCT01645280",
      "title": "A Study of the Effectiveness and Safety of Ustekinumab (STELARA) and CNTO 1959 Administered Under the Skin of Patients With Active Rheumatoid Arthritis, Despite Existing Methotrexate Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Arthritis, Rheumatoid"
      ],
      "interventions": [
        {
          "name": "Placebo + methotrexate (MTX) (Group 1)",
          "type": "DRUG"
        },
        {
          "name": "Ustekinumab + MTX (Group 2)",
          "type": "DRUG"
        },
        {
          "name": "Ustekinumab + MTX (Group 3)",
          "type": "DRUG"
        },
        {
          "name": "CNTO 1959 + MTX (Group 4)",
          "type": "DRUG"
        },
        {
          "name": "CNTO 1959 + MTX (Group 5)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 274,
      "start_date": "2012-08",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2016-05-12",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 3,
      "location_summary": "Palm Harbor, Florida • Rock Island, Illinois • St Louis, Missouri",
      "locations": [
        {
          "city": "Palm Harbor",
          "state": "Florida"
        },
        {
          "city": "Rock Island",
          "state": "Illinois"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01645280"
    },
    {
      "nct_id": "NCT02772965",
      "title": "Low Dose Oral Methotrexate in Pediatric Crohn's Disease Patients Initiating Anti-Tumor Necrosis Factor (Anti-TNF) Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pediatric Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Sugar pill (placebo)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "Up to 20 Years"
      },
      "enrollment_count": 306,
      "start_date": "2016-10",
      "completion_date": "2022-04-07",
      "has_results": true,
      "last_update_posted_date": "2023-04-12",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 32,
      "location_summary": "Birmingham, Alabama • Alto, California • New Haven, Connecticut + 27 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Alto",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02772965"
    },
    {
      "nct_id": "NCT00531817",
      "title": "A Study of Tocilizumab in Combination With DMARDs in Patients With Moderate to Severe Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Tocilizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Permitted DMARDs",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 619,
      "start_date": "2007-10",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2012-08-20",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 156,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Lake Havasu City, Arizona + 135 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Lake Havasu City",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00531817"
    },
    {
      "nct_id": "NCT00406419",
      "title": "A Study of Ocrelizumab Compared to Placebo in Patients With Active Rheumatoid Arthritis Continuing Methotrexate Treatment (STAGE)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "ocrelizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1015,
      "start_date": "2006-12-27",
      "completion_date": "2015-04-22",
      "has_results": true,
      "last_update_posted_date": "2020-11-27",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 1,
      "location_summary": "South San Francisco, California",
      "locations": [
        {
          "city": "South San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00406419"
    },
    {
      "nct_id": "NCT01283971",
      "title": "A Study of RoActemra/Actemra (Tocilizumab) Versus Adalimumab in Combination With Methotrexate (MTX) in Patients With Moderate to Severe Active Rheumatoid Arthritis And an Inadequate Response to Treatment With Only One Tumor Necrosis Factor (TNF)-Inhibitor",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "tocilizumab [RoActemra/Actemra]",
          "type": "DRUG"
        },
        {
          "name": "adalimumab",
          "type": "DRUG"
        },
        {
          "name": "placebo to tocilizumab",
          "type": "DRUG"
        },
        {
          "name": "placebo to adalimumab",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "folate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2011-05",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2014-02-10",
      "last_synced_at": "2026-10-10T13:49:08.164Z",
      "location_count": 107,
      "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Tucson, Arizona + 95 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Covina",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01283971"
    }
  ]
}