{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rheumatoid+Arthritis+%28RA%29",
    "query": {
      "condition": "Rheumatoid Arthritis (RA)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 242,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rheumatoid+Arthritis+%28RA%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:54:57.251Z",
  "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": "NCT02111057",
      "title": "Perioperative Flare in RA: Characterization of Clinical and Biological Features",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 162,
      "start_date": "2013-10-16",
      "completion_date": "2017-05-09",
      "has_results": false,
      "last_update_posted_date": "2019-10-21",
      "last_synced_at": "2026-05-21T22:54:57.251Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02111057"
    },
    {
      "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": "2026-05-21T22:54:57.251Z",
      "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": "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": "2026-05-21T22:54:57.251Z",
      "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": "NCT00559585",
      "title": "Methotrexate-Inadequate Response Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rheumatoid Arthritis (RA)"
      ],
      "interventions": [
        {
          "name": "Subcutaneous (SC) Abatacept",
          "type": "DRUG"
        },
        {
          "name": "Intravenous (IV) Abatacept",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2492,
      "start_date": "2008-01",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2015-11-09",
      "last_synced_at": "2026-05-21T22:54:57.251Z",
      "location_count": 70,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Scottsdale, Arizona + 63 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00559585"
    },
    {
      "nct_id": "NCT04888585",
      "title": "Study to Evaluate Adverse Events and Change in Disease Activity in Participants Between 18 to 75 Years of Age Treated With Subcutaneous (SC) Injections of ABBV-154 for Moderately to Severely Active Rheumatoid Arthritis (RA)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis (RA)"
      ],
      "interventions": [
        {
          "name": "ABBV-154",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "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": 473,
      "start_date": "2021-06-23",
      "completion_date": "2023-08-04",
      "has_results": true,
      "last_update_posted_date": "2024-10-08",
      "last_synced_at": "2026-05-21T22:54:57.251Z",
      "location_count": 101,
      "location_summary": "Phoenix, Arizona • Jonesboro, Arkansas • Fullerton, California + 89 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04888585"
    },
    {
      "nct_id": "NCT00000414",
      "title": "Patient Education in Rheumatoid Arthritis and Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rheumatoid Arthritis",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Arthritis Self-Management Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMART Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 1200,
      "start_date": "1996-07",
      "completion_date": "2001-04",
      "has_results": false,
      "last_update_posted_date": "2013-06-21",
      "last_synced_at": "2026-05-21T22:54:57.251Z",
      "location_count": 4,
      "location_summary": "Palo Alto, California • Wichita, Kansas • Pittsburgh, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000414"
    },
    {
      "nct_id": "NCT02311855",
      "title": "Duration of Immune Response to Influenza Vaccination in Patients With RA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bassett Healthcare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 87,
      "start_date": "2014-08",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2017-01-06",
      "last_synced_at": "2026-05-21T22:54:57.251Z",
      "location_count": 1,
      "location_summary": "Cooperstown, New York",
      "locations": [
        {
          "city": "Cooperstown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02311855"
    },
    {
      "nct_id": "NCT01618955",
      "title": "Actual Human Use of Methotrexate (MTX) Subcutaneously Administered Via the VIBEX™ MTX Auto-Injector Device",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis (RA)"
      ],
      "interventions": [
        {
          "name": "VIBEX MTX",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Antares Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 101,
      "start_date": "2012-05",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2014-04-30",
      "last_synced_at": "2026-05-21T22:54:57.251Z",
      "location_count": 1,
      "location_summary": "Duncansville, Pennsylvania",
      "locations": [
        {
          "city": "Duncansville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01618955"
    },
    {
      "nct_id": "NCT00006292",
      "title": "Infliximab for the Treatment of Early Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Infliximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 60,
      "start_date": "2000-09",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-05-21T22:54:57.251Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006292"
    },
    {
      "nct_id": "NCT06397677",
      "title": "Defining the Molecular and Radiologic Phenotype of Progressive RA Interstitial Lung Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis",
        "Interstitial Lung Disease"
      ],
      "interventions": [
        {
          "name": "Research Testing Performed (Laboratory)",
          "type": "GENETIC"
        },
        {
          "name": "Information Collected as Standard of Care",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Research Testing Performed",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 450,
      "start_date": "2024-01-22",
      "completion_date": "2034-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-05-21T22:54:57.251Z",
      "location_count": 4,
      "location_summary": "San Francisco, California • Aurora, Colorado • Kansas City, Kansas + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06397677"
    }
  ]
}