{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Abatacept+placebo",
    "query": {
      "intervention": "Abatacept placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 63,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Abatacept+placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T19:30:13.764Z",
  "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": "NCT00442611",
      "title": "A Study to Evaluate the Safety and Efficacy of Abatacept in Patients With Diffuse Systemic Sclerosis (Scleroderma)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Scleroderma, Diffuse",
        "Scleroderma, Systemic"
      ],
      "interventions": [
        {
          "name": "Abatacept",
          "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": 10,
      "start_date": "2008-11",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2017-10-31",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00442611"
    },
    {
      "nct_id": "NCT00048568",
      "title": "A Phase III Study of Abatacept (BMS-188667) in Patients With Active Rheumatoid Arthritis and Inadequate Response to Methotrexate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Abatacept",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 1250,
      "start_date": "2002-12",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2011-12-05",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 48,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 45 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00048568"
    },
    {
      "nct_id": "NCT04472494",
      "title": "Study of Abatacept in the Treatment of Hospitalized COVID-19 Participants With Respiratory Compromise",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19",
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "Abatacept",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 61,
      "start_date": "2020-10-14",
      "completion_date": "2021-09-13",
      "has_results": true,
      "last_update_posted_date": "2022-10-07",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 7,
      "location_summary": "Hialeah, Florida • Louisville, Kentucky • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04472494"
    },
    {
      "nct_id": "NCT00122382",
      "title": "Remission and Joint Damage Progression in Early Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Abatacept",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "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": 1052,
      "start_date": "2005-07",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2010-11-16",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 19,
      "location_summary": "Huntsville, Alabama • Huntington Beach, California • Colorado Springs, Colorado + 15 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Trumbull",
          "state": "Connecticut"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00122382"
    },
    {
      "nct_id": "NCT00534313",
      "title": "Safety and Efficacy of Abatacept Versus Placebo in Participants With Psoriatic Arthritis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Psoriatic Arthritis"
      ],
      "interventions": [
        {
          "name": "Abatacept",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 191,
      "start_date": "2007-11",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2012-08-01",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 19,
      "location_summary": "Huntsville, Alabama • Palm Desert, California • Palo Alto, California + 16 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Palm Desert",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Bridgeport",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00534313"
    },
    {
      "nct_id": "NCT02270957",
      "title": "Clarification of Abatacept Effects in SLE With Integrated Biologic and Clinical Approaches",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Abatacept",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Oklahoma Medical Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 66,
      "start_date": "2014-01",
      "completion_date": "2021-12",
      "has_results": true,
      "last_update_posted_date": "2022-01-26",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02270957"
    },
    {
      "nct_id": "NCT00119678",
      "title": "Abatacept in the Treatment and Prevention of Active Systemic Lupus Erythematosus (SLE) Flares in Combination With Prednisone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Abatacept",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "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": 183,
      "start_date": "2005-09",
      "completion_date": "2008-11",
      "has_results": true,
      "last_update_posted_date": "2014-09-22",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 12,
      "location_summary": "Tucson, Arizona • Long Beach, California • Los Angeles, California + 9 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00119678"
    },
    {
      "nct_id": "NCT01116427",
      "title": "A Cooperative Clinical Study of Abatacept in Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "abatacept",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 65,
      "start_date": "2010-09",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2016-09-15",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 20,
      "location_summary": "Phonix, Arizona • Berkeley, California • Los Angeles, California + 17 more",
      "locations": [
        {
          "city": "Phonix",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01116427"
    },
    {
      "nct_id": "NCT02971683",
      "title": "Trial to Evaluate the Efficacy and Safety of Abatacept in Combination With Standard Therapy Compared to Standard Therapy Alone in Improving Disease Activity in Adults With Active Idiopathic Inflammatory Myopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Polymyositis",
        "Dermatomyositis",
        "Autoimmune Necrotizing Myopathy",
        "Overlap Myositis",
        "Juvenile Myositis Above the Age of 18"
      ],
      "interventions": [
        {
          "name": "Abatacept subcutaneous",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 149,
      "start_date": "2017-05-04",
      "completion_date": "2022-08-02",
      "has_results": true,
      "last_update_posted_date": "2023-10-30",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 25,
      "location_summary": "Phoenix, Arizona • Beverly Hills, California • Orange, California + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02971683"
    },
    {
      "nct_id": "NCT00287547",
      "title": "Phase II Randomized, Double-Blind, Placebo-Controlled Study of BMS-188667 (CTLA4Ig) in Patients With Psoriasis Vulgaris",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Psoriasis Vulgaris"
      ],
      "interventions": [
        {
          "name": "CTLA4Ig / Abatacept",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 144,
      "start_date": "1997-03",
      "completion_date": "1998-01",
      "has_results": false,
      "last_update_posted_date": "2011-04-25",
      "last_synced_at": "2026-09-23T19:30:13.764Z",
      "location_count": 10,
      "location_summary": "San Diego, California • Chicago, Illinois • Boston, Massachusetts + 7 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00287547"
    }
  ]
}