{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+matching+dupilumab",
    "query": {
      "intervention": "Placebo matching dupilumab"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 39,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+matching+dupilumab&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T19:00:49.764Z",
  "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": "NCT03346434",
      "title": "Safety, Pharmacokinetics and Efficacy of Dupilumab in Patients ≥6 Months to <6 Years With Moderate-to-Severe Atopic Dermatitis (Liberty AD PRESCHOOL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Dermatitis, Atopic"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "6 Months to 5 Years"
      },
      "enrollment_count": 202,
      "start_date": "2017-11-30",
      "completion_date": "2021-07-08",
      "has_results": true,
      "last_update_posted_date": "2022-07-28",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 33,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Long Beach, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03346434"
    },
    {
      "nct_id": "NCT04442269",
      "title": "Investigating Treatment With Dupilumab in Patients With Allergic Bronchopulmonary Aspergillosis (ABPA) (LIBERTY ABPA AIRED)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Allergic Bronchopulmonary Aspergillosis"
      ],
      "interventions": [
        {
          "name": "dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2020-09-15",
      "completion_date": "2024-02-09",
      "has_results": true,
      "last_update_posted_date": "2025-04-04",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Bakersfield, California + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04442269"
    },
    {
      "nct_id": "NCT04743791",
      "title": "Measuring the Effect of Dupilumab Treatment on Mucociliary Clearance (MCC) in Subjects With Moderate to Severe Asthma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Sally E. Wenzel MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-10-17",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04743791"
    },
    {
      "nct_id": "NCT03558997",
      "title": "Dupilumab As An Adjunct For Subcutaneous Grass Immunotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Timothy Grass SCIT",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching SCIT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 103,
      "start_date": "2018-06-07",
      "completion_date": "2019-06-13",
      "has_results": true,
      "last_update_posted_date": "2020-05-28",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 12,
      "location_summary": "Los Angeles, California • Mountain View, California • Walnut Creek, California + 9 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03558997"
    },
    {
      "nct_id": "NCT04033367",
      "title": "SAR231893-LPS15497- \"Dupilumab Effect on Sleep in AD Patients\"",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 188,
      "start_date": "2019-08-22",
      "completion_date": "2021-10-06",
      "has_results": true,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 8,
      "location_summary": "North Little Rock, Arkansas • Redwood City, California • Rolling Hills Estates, California + 5 more",
      "locations": [
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04033367"
    },
    {
      "nct_id": "NCT04988022",
      "title": "Dupilumab in the Treatment of Keloids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Keloid"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2021-05-25",
      "completion_date": "2025-03-24",
      "has_results": false,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04988022"
    },
    {
      "nct_id": "NCT03930732",
      "title": "Pivotal Study to Assess the Efficacy, Safety and Tolerability of Dupilumab in Patients With Moderate-to-severe COPD With Type 2 Inflammation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Dupilumab SAR231893",
          "type": "DRUG"
        },
        {
          "name": "Inhaled Corticosteroid",
          "type": "DRUG"
        },
        {
          "name": "Inhaled Long-Acting Beta Agonist",
          "type": "DRUG"
        },
        {
          "name": "Inhaled Long-Acting Muscarinic Antagonist",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 939,
      "start_date": "2019-04-15",
      "completion_date": "2023-05-02",
      "has_results": true,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 51,
      "location_summary": "Andalusia, Alabama • Birmingham, Alabama • Dothan, Alabama + 46 more",
      "locations": [
        {
          "city": "Andalusia",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930732"
    },
    {
      "nct_id": "NCT03633617",
      "title": "Study to Determine the Efficacy and Safety of Dupilumab in Adult and Adolescent Patients With Eosinophilic Esophagitis (EoE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Eosinophilic Esophagitis"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 321,
      "start_date": "2018-09-24",
      "completion_date": "2022-06-07",
      "has_results": true,
      "last_update_posted_date": "2023-06-28",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 62,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 54 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03633617"
    },
    {
      "nct_id": "NCT04684524",
      "title": "Dupilumab in Allergic Fungal Rhinosinusitis (AFRS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergic Fungal Rhinosinusitis"
      ],
      "interventions": [
        {
          "name": "Dupilumab SAR231893",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2020-12-01",
      "completion_date": "2025-03-07",
      "has_results": true,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 11,
      "location_summary": "Tampa, Florida • Atlanta, Georgia • Louisville, Kentucky + 7 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Mandeville",
          "state": "Louisiana"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04684524"
    },
    {
      "nct_id": "NCT06191315",
      "title": "Efficacy and Safety of Subcutaneous Dupilumab in Participants With Asthma/Asthmatic Wheeze Aged 2 to <6 Years (LIBERTY ASTHMA TREKIDS)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Wheezing",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "2 Years to 5 Years"
      },
      "enrollment_count": 90,
      "start_date": "2024-01-03",
      "completion_date": "2028-12-21",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-01T19:00:49.764Z",
      "location_count": 14,
      "location_summary": "Phoenix, Arizona • Destin, Florida • Miami, Florida + 11 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Destin",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Owensboro",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06191315"
    }
  ]
}