{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+for+Dupilumab&page=2",
    "query": {
      "intervention": "Placebo for Dupilumab",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 63,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+for+Dupilumab&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+for+Dupilumab&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T09:22:42.892Z",
  "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": "NCT02277743",
      "title": "Study of Dupilumab Monotherapy Administered to Adult Patients With Moderate-to-Severe Atopic Dermatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dermatitis, Atopic"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo (for Dupilumab)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 671,
      "start_date": "2014-10",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2017-11-21",
      "last_synced_at": "2026-10-02T09:22:42.892Z",
      "location_count": 45,
      "location_summary": "Birmingham, Alabama • Fort Smith, Arkansas • Rogers, Arkansas + 42 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "Lomita",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02277743"
    },
    {
      "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": "2026-10-02T09:22:42.892Z",
      "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": "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": "2026-10-02T09:22:42.892Z",
      "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": "2026-10-02T09:22:42.892Z",
      "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": "NCT06226610",
      "title": "Dupixent in Adults With Refractory Post-Burn Pruritus in an Ambulatory Clinic",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pruritis"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Akron Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 46,
      "start_date": "2024-11-21",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-10-02T09:22:42.892Z",
      "location_count": 1,
      "location_summary": "Akron, Ohio",
      "locations": [
        {
          "city": "Akron",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06226610"
    },
    {
      "nct_id": "NCT05731128",
      "title": "A Study to Investigate the Efficacy and Safety of Dupilumab Therapy Compared With Placebo in Participants Aged ≥18 Years With Moderately to Severely Active Ulcerative Colitis With an Eosinophilic Phenotype (LIBERTY-UC SUCCEED (Study in UC for Clinical Efficacy Evaluation of Dupilumab))",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colitis Ulcerative"
      ],
      "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": 68,
      "start_date": "2023-01-12",
      "completion_date": "2027-02-22",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-10-02T09:22:42.892Z",
      "location_count": 27,
      "location_summary": "Apple Valley, California • Beverly Hills, California • Oxnard, California + 24 more",
      "locations": [
        {
          "city": "Apple Valley",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "Thousand Oaks",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05731128"
    },
    {
      "nct_id": "NCT01920893",
      "title": "An Evaluation of Dupilumab in Patients With Nasal Polyposis And Chronic Symptoms Of Sinusitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "Placebo (for dupilumab)",
          "type": "DRUG"
        },
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Mometasone furoate nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "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": 60,
      "start_date": "2013-08",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2017-06-26",
      "last_synced_at": "2026-10-02T09:22:42.892Z",
      "location_count": 5,
      "location_summary": "Rolling Hills Estates, California • Denver, Colorado • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Lake Oswego",
          "state": "Oregon"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01920893"
    },
    {
      "nct_id": "NCT01859988",
      "title": "Study of Dupilumab Administered to Adult Patients With Moderate-to-Severe Atopic Dermatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 380,
      "start_date": "2013-05",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2017-08-28",
      "last_synced_at": "2026-10-02T09:22:42.892Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Tucson, Arizona + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01859988"
    },
    {
      "nct_id": "NCT04678856",
      "title": "Dupilumab in CRSsNP",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Rhinosinusitis Without Nasal Polyps",
        "Sinusitis",
        "Chronic Sinusitis",
        "Sinus Disorder",
        "Respiratory Disorder"
      ],
      "interventions": [
        {
          "name": "Dupilumab SAR231893",
          "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": 71,
      "start_date": "2020-12-02",
      "completion_date": "2024-01-29",
      "has_results": true,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-02T09:22:42.892Z",
      "location_count": 11,
      "location_summary": "Roseville, California • Stockton, California • Denver, Colorado + 7 more",
      "locations": [
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Columbia",
          "state": "Missouri"
        },
        {
          "city": "Papillion",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04678856"
    },
    {
      "nct_id": "NCT02912468",
      "title": "A Controlled Clinical Study of Dupilumab in Patients With Bilateral Nasal Polyps",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Rhinosinusitis Phenotype With Nasal Polyps (CRSwNP)"
      ],
      "interventions": [
        {
          "name": "Dupilumab SAR231893 (REGN668)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Mometasone furoate 50 micrograms",
          "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": 276,
      "start_date": "2016-12-05",
      "completion_date": "2018-07-05",
      "has_results": true,
      "last_update_posted_date": "2019-07-25",
      "last_synced_at": "2026-10-02T09:22:42.892Z",
      "location_count": 18,
      "location_summary": "Long Beach, California • Orange, California • San Diego, California + 15 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02912468"
    }
  ]
}