{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+for+methotrexate",
    "query": {
      "intervention": "Placebo for methotrexate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 131,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+for+methotrexate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-18T14:22:32.229Z",
  "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": "NCT00814138",
      "title": "Efficacy of Methotrexate in Myasthenia Gravis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myasthenia Gravis"
      ],
      "interventions": [
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2009-04",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2016-05-26",
      "last_synced_at": "2026-09-18T14:22:32.229Z",
      "location_count": 15,
      "location_summary": "Phoenix, Arizona • Fresno, California • Irvine, California + 12 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00814138"
    },
    {
      "nct_id": "NCT02786134",
      "title": "Coronary Flow Reserve to Assess Cardiovascular Inflammation (CIRT-CFR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Heart Disease",
        "Metabolic Syndrome",
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "PET scan",
          "type": "RADIATION"
        },
        {
          "name": "Echocardiogram",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 50,
      "start_date": "2016-04",
      "completion_date": "2019-10",
      "has_results": true,
      "last_update_posted_date": "2021-01-06",
      "last_synced_at": "2026-09-18T14:22:32.229Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02786134"
    },
    {
      "nct_id": "NCT02889796",
      "title": "Filgotinib in Combination With Methotrexate in Adults With Moderately to Severely Active Rheumatoid Arthritis Who Have an Inadequate Response to Methotrexate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Filgotinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match filgotinib",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match adalimumab",
          "type": "DRUG"
        },
        {
          "name": "MTX",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1759,
      "start_date": "2016-08-30",
      "completion_date": "2019-06-20",
      "has_results": true,
      "last_update_posted_date": "2021-06-09",
      "last_synced_at": "2026-09-18T14:22:32.229Z",
      "location_count": 48,
      "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Tucson, Arizona + 45 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Covina",
          "state": "California"
        },
        {
          "city": "Hemet",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02889796"
    },
    {
      "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": "2026-09-18T14:22:32.229Z",
      "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": "NCT01204138",
      "title": "Concomitant Use of Apremilast for the Treatment of Active RA Despite TNF-Inhibition and Methotrexate- CATARA",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Arthritis, Rheumatoid"
      ],
      "interventions": [
        {
          "name": "Apremilast",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2010-09",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2016-02-05",
      "last_synced_at": "2026-09-18T14:22:32.229Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01204138"
    },
    {
      "nct_id": "NCT00095147",
      "title": "Abatacept and Infliximab in Combination With Methotrexate in Subjects With Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Abatacept (ABA) + Methotrexate (MTX), double-blind (DB)",
          "type": "DRUG"
        },
        {
          "name": "Infliximab (INF) + MTX, DB",
          "type": "DRUG"
        },
        {
          "name": "Placebo (PLA) + MTX, DB",
          "type": "DRUG"
        },
        {
          "name": "PLA + MTX switched to ABA+ MTX, DB",
          "type": "DRUG"
        },
        {
          "name": "ABA, open-label (OL)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 431,
      "start_date": "2005-02",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2015-03-24",
      "last_synced_at": "2026-09-18T14:22:32.229Z",
      "location_count": 19,
      "location_summary": "Huntsville, Alabama • Denver, Colorado • Boca Raton, Florida + 16 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Largo",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00095147"
    },
    {
      "nct_id": "NCT01007435",
      "title": "A Study of Tocilizumab as Monotherapy and in Combination With Methotrexate Versus Methotrexate in Patients With Early Moderate to Severe Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Tocilizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo to tocilizumab",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Placebo to methotrexate",
          "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": 1162,
      "start_date": "2009-10-31",
      "completion_date": "2014-01-28",
      "has_results": true,
      "last_update_posted_date": "2017-07-26",
      "last_synced_at": "2026-09-18T14:22:32.229Z",
      "location_count": 61,
      "location_summary": "Anniston, Alabama • Huntsville, Alabama • Tuscaloosa, Alabama + 54 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01007435"
    },
    {
      "nct_id": "NCT00195663",
      "title": "Efficacy and Safety of Adalimumab and Methotrexate (MTX) Versus MTX Monotherapy in Subjects With Early Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Early Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Adalimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Methotrexate placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "AbbVie (prior sponsor, Abbott)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 799,
      "start_date": "2000-12",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2013-07-12",
      "last_synced_at": "2026-09-18T14:22:32.229Z",
      "location_count": 31,
      "location_summary": "Scottsdale, Arizona • La Jolla, California • Los Angeles, California + 24 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00195663"
    },
    {
      "nct_id": "NCT01329991",
      "title": "Phase 1b Study of PLX5622 in Rheumatoid Arthritis Patients Who Are Receiving Methotrexate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "PLX5622",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Plexxikon",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2011-05",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2012-04-12",
      "last_synced_at": "2026-09-18T14:22:32.229Z",
      "location_count": 4,
      "location_summary": "Anniston, Alabama • Lansing, Michigan • Duncansville, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Lansing",
          "state": "Michigan"
        },
        {
          "city": "Duncansville",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01329991"
    },
    {
      "nct_id": "NCT02066389",
      "title": "A Study Investigating the Efficacy and Safety of Upadacitinib (ABT-494) Given With Methotrexate (MTX) in Adults With Rheumatoid Arthritis Who Have Had an Inadequate Response to MTX Alone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Upadacitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 300,
      "start_date": "2014-03-26",
      "completion_date": "2015-07-02",
      "has_results": true,
      "last_update_posted_date": "2021-07-30",
      "last_synced_at": "2026-09-18T14:22:32.229Z",
      "location_count": 12,
      "location_summary": "Hemet, California • DeBary, Florida • Venice, Florida + 9 more",
      "locations": [
        {
          "city": "Hemet",
          "state": "California"
        },
        {
          "city": "DeBary",
          "state": "Florida"
        },
        {
          "city": "Venice",
          "state": "Florida"
        },
        {
          "city": "Lawrenceville",
          "state": "Georgia"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02066389"
    }
  ]
}