{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Belimumab%2FPlacebo",
    "query": {
      "intervention": "Belimumab/Placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 22,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Belimumab%2FPlacebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T13:06:01.947Z",
  "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": "NCT01663623",
      "title": "Belimumab in Remission of VASculitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Vasculitis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Belimumab 10 mg/kg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Azathioprine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Human Genome Sciences Inc., a GSK Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 106,
      "start_date": "2013-03-20",
      "completion_date": "2017-02-06",
      "has_results": true,
      "last_update_posted_date": "2018-04-17",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Tucson, Arizona + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Covina",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01663623"
    },
    {
      "nct_id": "NCT03244059",
      "title": "Belimumab Treatment of Emphysema Patients With Anti-GRP78 Autoantibodies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Emphysema"
      ],
      "interventions": [
        {
          "name": "Belimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 17,
      "start_date": "2018-08-09",
      "completion_date": "2022-04-01",
      "has_results": true,
      "last_update_posted_date": "2023-07-18",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03244059"
    },
    {
      "nct_id": "NCT03844061",
      "title": "Belimumab and Rituximab Combination Therapy for the Treatment of Diffuse Cutaneous Systemic Sclerosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Systemic Sclerosis"
      ],
      "interventions": [
        {
          "name": "Belimumab",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Placebo Subcutaneous Injection",
          "type": "OTHER"
        },
        {
          "name": "Placebo Infusion",
          "type": "OTHER"
        },
        {
          "name": "MMF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-07-29",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03844061"
    },
    {
      "nct_id": "NCT03312907",
      "title": "A Study to Evaluate the Efficacy and Safety of Belimumab Administered in Combination With Rituximab to Adult Subjects With Systemic Lupus Erythematosus (SLE) - BLISS-BELIEVE",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Belimumab",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Rituximab-placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard therapy (Including Immunosuppressants)",
          "type": "DRUG"
        },
        {
          "name": "Standard therapy (Excluding Immunosuppressants)",
          "type": "DRUG"
        },
        {
          "name": "Steroid Taper",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 292,
      "start_date": "2018-03-01",
      "completion_date": "2021-07-07",
      "has_results": true,
      "last_update_posted_date": "2025-02-18",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • La Mesa, California • San Leandro, California + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "San Leandro",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03312907"
    },
    {
      "nct_id": "NCT00071812",
      "title": "A Safety and Efficacy Study of LymphoStat-B™ (Monoclonal Anti-BLyS Antibody) in Subjects With Rheumatoid Arthritis (RA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Arthritis, Rheumatoid"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Belimumab 1 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Belimumab 4 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Belimumab 10 mg/kg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Human Genome Sciences Inc.",
      "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": 283,
      "start_date": "2003-12",
      "completion_date": "2005-12",
      "has_results": true,
      "last_update_posted_date": "2013-08-14",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 63,
      "location_summary": "Birmingham, Alabama • Paradise Valley, Arizona • Tucson, Arizona + 53 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Paradise Valley",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00071812"
    },
    {
      "nct_id": "NCT00657007",
      "title": "Phase 1 Study of Belimumab in Subjects With Systemic Lupus Erythematosus (SLE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "belimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Human Genome Sciences Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2002-02",
      "completion_date": "2003-03",
      "has_results": false,
      "last_update_posted_date": "2013-08-02",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Washington D.C., District of Columbia + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00657007"
    },
    {
      "nct_id": "NCT03949855",
      "title": "Belimumab With Rituximab for Primary Membranous Nephropathy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Membranous Nephropathy",
        "Nephrotic Syndrome"
      ],
      "interventions": [
        {
          "name": "Belimumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Belimumab",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 58,
      "start_date": "2020-03-06",
      "completion_date": "2030-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • San Francisco, California + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03949855"
    },
    {
      "nct_id": "NCT01649765",
      "title": "Pediatric Lupus Trial of Belimumab Plus Background Standard Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Belimumab 10 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 93,
      "start_date": "2012-09-07",
      "completion_date": "2025-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Washington D.C., District of Columbia • Augusta, Georgia + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01649765"
    },
    {
      "nct_id": "NCT06576271",
      "title": "A Study of GSK4527363 in Healthy Participants, Systemic Lupus Erythematosus (SLE) Participants, Healthy Chinese, and Japanese Participants and CTD-ILD Participants",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "GSK4527363",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching GSK4527363",
          "type": "DRUG"
        },
        {
          "name": "Belimumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 142,
      "start_date": "2024-09-02",
      "completion_date": "2028-01-11",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 6,
      "location_summary": "Scottsdale, Arizona • Aurora, Colorado • Las Vegas, Nevada + 3 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06576271"
    },
    {
      "nct_id": "NCT01632241",
      "title": "Efficacy and Safety of Belimumab in Black Race Patients With Systemic Lupus Erythematosus (SLE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Placebo plus standard therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Belimumab 10 mg/kg plus standard therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Human Genome Sciences Inc., a GSK Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 503,
      "start_date": "2013-02-19",
      "completion_date": "2019-01-28",
      "has_results": true,
      "last_update_posted_date": "2021-09-08",
      "last_synced_at": "2026-09-19T13:06:01.947Z",
      "location_count": 64,
      "location_summary": "Birmingham, Alabama • Covina, California • La Palma, California + 49 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Covina",
          "state": "California"
        },
        {
          "city": "La Palma",
          "state": "California"
        },
        {
          "city": "Lakewood",
          "state": "California"
        },
        {
          "city": "Los Alamitos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01632241"
    }
  ]
}