{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=TNF+antagonist",
    "query": {
      "intervention": "TNF antagonist"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 70,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=TNF+antagonist&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T15:10:32.708Z",
  "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": "NCT01526057",
      "title": "A Pharmacokinetic/Pharmacodynamic Study Comparing PF-05280586 To Rituximab In Subjects With Active Rheumatoid Arthritis With An Inadequate Response To TNF Inhibitors (REFLECTIONS B328-01)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "PF-05280586",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MabThera",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rituxan",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2012-03-20",
      "completion_date": "2014-05-07",
      "has_results": true,
      "last_update_posted_date": "2019-11-19",
      "last_synced_at": "2026-09-11T15:10:32.708Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Gilbert, Arizona + 32 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01526057"
    },
    {
      "nct_id": "NCT00235885",
      "title": "Safety and Efficacy Study of Adalimumab in Patients With Active Psoriatic Arthritis (PsA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Psoriatic Arthritis"
      ],
      "interventions": [
        {
          "name": "adalimumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 445,
      "start_date": "2005-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2007-08-29",
      "last_synced_at": "2026-09-11T15:10:32.708Z",
      "location_count": 1,
      "location_summary": "Abbott Park, Illinois",
      "locations": [
        {
          "city": "Abbott Park",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00235885"
    },
    {
      "nct_id": "NCT02100696",
      "title": "A Study of the Efficacy and Safety of Etrolizumab in Participants With Ulcerative Colitis Who Have Been Previously Exposed to Tumor Necrosis Factor (TNF) Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Etrozulimab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": 609,
      "start_date": "2014-05-21",
      "completion_date": "2020-04-16",
      "has_results": true,
      "last_update_posted_date": "2021-08-13",
      "last_synced_at": "2026-09-11T15:10:32.708Z",
      "location_count": 38,
      "location_summary": "Birmingham, Alabama • La Jolla, California • San Diego, California + 32 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02100696"
    },
    {
      "nct_id": "NCT04725422",
      "title": "CHronic Nonbacterial Osteomyelitis International Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Nonbacterial Osteomyelitis",
        "Chronic Recurrent Multifocal Osteomyelitis"
      ],
      "interventions": [
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Sulfasalazine",
          "type": "DRUG"
        },
        {
          "name": "Leflunomide",
          "type": "DRUG"
        },
        {
          "name": "Pamidronate",
          "type": "DRUG"
        },
        {
          "name": "Zoledronic acid",
          "type": "DRUG"
        },
        {
          "name": "Etanercept",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab",
          "type": "DRUG"
        },
        {
          "name": "Certolizumab",
          "type": "DRUG"
        },
        {
          "name": "Infliximab",
          "type": "DRUG"
        },
        {
          "name": "Golimumab",
          "type": "DRUG"
        },
        {
          "name": "NSAID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 2000,
      "start_date": "2018-08-01",
      "completion_date": "2050-08",
      "has_results": false,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-09-11T15:10:32.708Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04725422"
    },
    {
      "nct_id": "NCT02171429",
      "title": "A Study Comparing the Efficacy and Safety of Etrolizumab With Adalimumab and Placebo in Participants With Moderate to Severe Ulcerative Colitis (UC) in Participants Naive to Tumor Necrosis Factor (TNF) Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Adalimumab",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab Placebo",
          "type": "OTHER"
        },
        {
          "name": "Etrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Etrolizumab Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": 358,
      "start_date": "2014-11-14",
      "completion_date": "2020-05-25",
      "has_results": true,
      "last_update_posted_date": "2021-07-23",
      "last_synced_at": "2026-09-11T15:10:32.708Z",
      "location_count": 4,
      "location_summary": "Orlando, Florida • Topeka, Kansas • Mentor, Ohio",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Topeka",
          "state": "Kansas"
        },
        {
          "city": "Mentor",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02171429"
    },
    {
      "nct_id": "NCT07138898",
      "title": "Immunosuppressant Management in Rheumatology Patients Undergoing Elective Total Shoulder Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatic Disease"
      ],
      "interventions": [
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Sulfasalazine",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine",
          "type": "DRUG"
        },
        {
          "name": "Leflunomide",
          "type": "DRUG"
        },
        {
          "name": "Azathioprine",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate",
          "type": "DRUG"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Etanercept",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab",
          "type": "DRUG"
        },
        {
          "name": "Golimumab",
          "type": "DRUG"
        },
        {
          "name": "Certolizumab",
          "type": "DRUG"
        },
        {
          "name": "Infliximab",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Belimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tocilizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Anakinra",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Canakinumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Abatacept",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Secukinumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ixekizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bimekizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ustekinumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Guselkumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Risankizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tofacitinib",
          "type": "DRUG"
        },
        {
          "name": "Upadacitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2025-12-12",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-09-11T15:10:32.708Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07138898"
    },
    {
      "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": "2026-09-11T15:10:32.708Z",
      "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"
    },
    {
      "nct_id": "NCT06654882",
      "title": "Trial of Sequential Medications AfteR TNFi Failure in Juvenile Idiopathic Arthritis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Polyarticular Course Juvenile Idiopathic Arthritis (JIA)"
      ],
      "interventions": [
        {
          "name": "TNFi (Tumor Necrosis Factor inhibitor) medication",
          "type": "DRUG"
        },
        {
          "name": "Abatacept",
          "type": "DRUG"
        },
        {
          "name": "Tocilizumab",
          "type": "DRUG"
        },
        {
          "name": "Tofacitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 400,
      "start_date": "2026-01-09",
      "completion_date": "2029-11",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-09-11T15:10:32.708Z",
      "location_count": 4,
      "location_summary": "San Francisco, California • Gainesville, Florida • Hackensack, New Jersey + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06654882"
    },
    {
      "nct_id": "NCT05782335",
      "title": "Analysis of T and B Cell Repertoire Changes in Response to Orencia® (Abatacept) in Rheumatoid Arthritis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2022-11-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-09-11T15:10:32.708Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05782335"
    },
    {
      "nct_id": "NCT00960440",
      "title": "Study of CP-690,550 Versus Placebo In Rheumatoid Arthritis Patients On Background Methotrexate With Inadequate Response To Tumor Necrosis Factor (TNF) Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis, Rheumatoid"
      ],
      "interventions": [
        {
          "name": "CP-690,550",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 399,
      "start_date": "2009-10",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-09-11T15:10:32.708Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00960440"
    }
  ]
}