{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=REGN668",
    "query": {
      "intervention": "REGN668"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 56,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=REGN668&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T02:43:50.438Z",
  "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": "NCT02612454",
      "title": "Study to Assess the Long-term Safety of Dupilumab Administered in Participants ≥6 Months to <18 Years of Age With Atopic Dermatitis (AD)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 880,
      "start_date": "2015-10-15",
      "completion_date": "2026-10-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-09-02T02:43:50.438Z",
      "location_count": 40,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Bakersfield, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02612454"
    },
    {
      "nct_id": "NCT03387852",
      "title": "Evaluation of SAR440340 and as Combination Therapy With Dupilumab in Moderate-to-Severe Asthma Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "SAR440340",
          "type": "DRUG"
        },
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone or Fluticasone/salmeterol combination",
          "type": "DRUG"
        },
        {
          "name": "Placebo for SAR440340",
          "type": "DRUG"
        },
        {
          "name": "Placebo for dupilumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "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": 296,
      "start_date": "2018-03-12",
      "completion_date": "2019-08-07",
      "has_results": true,
      "last_update_posted_date": "2022-06-14",
      "last_synced_at": "2026-09-02T02:43:50.438Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Long Beach, California • Los Angeles, California + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03387852"
    },
    {
      "nct_id": "NCT03793608",
      "title": "Study to Evaluate Dupilumab Monotherapy in Pediatric Patients With Peanut Allergy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Peanut Allergy"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 25,
      "start_date": "2019-03-12",
      "completion_date": "2021-05-12",
      "has_results": true,
      "last_update_posted_date": "2022-05-19",
      "last_synced_at": "2026-09-02T02:43:50.438Z",
      "location_count": 6,
      "location_summary": "Mountain View, California • Tampa, Florida • Indianapolis, Indiana + 3 more",
      "locations": [
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Ypsilanti",
          "state": "Michigan"
        },
        {
          "city": "Great Neck",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03793608"
    },
    {
      "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": "2026-09-02T02:43:50.438Z",
      "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": "NCT05976386",
      "title": "Single Dose Comparability Study of New and Current Dupilumab Drug Products Subcutaneously Administered in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Dupilumab (SAR231893)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "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": 182,
      "start_date": "2021-06-08",
      "completion_date": "2021-09-24",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-09-02T02:43:50.438Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05976386"
    },
    {
      "nct_id": "NCT01312961",
      "title": "Efficacy, Safety, and Tolerability of Dupilumab in Patients With Persistent Moderate to Severe Eosinophilic Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo (for Dupilumab)",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone/Salmeterol combination therapy",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone monotherapy",
          "type": "DRUG"
        },
        {
          "name": "Albuterol",
          "type": "DRUG"
        },
        {
          "name": "Levalbuterol",
          "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": 104,
      "start_date": "2011-03",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2017-06-08",
      "last_synced_at": "2026-09-02T02:43:50.438Z",
      "location_count": 50,
      "location_summary": "Anaheim, California • Long Beach, California • Los Angeles, California + 42 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01312961"
    },
    {
      "nct_id": "NCT04394351",
      "title": "Study to Investigate the Efficacy and Safety of Dupilumab in Pediatric Patients With Active Eosinophilic Esophagitis (EoE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Eosinophilic Esophagitis (EoE)"
      ],
      "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": "1 Year",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "1 Year to 11 Years"
      },
      "enrollment_count": 102,
      "start_date": "2020-09-01",
      "completion_date": "2024-05-14",
      "has_results": true,
      "last_update_posted_date": "2025-10-27",
      "last_synced_at": "2026-09-02T02:43:50.438Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 18 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04394351"
    },
    {
      "nct_id": "NCT04959448",
      "title": "Study Assessing Long-teRm Outcomes of dupiluMAb (DUPIXENT®) Treatment in Adult Patients With Chronic Rhinosinusitis With Nasal Polyposis (CRSwNP)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Rhinosinusitis With Nasal Polyposis"
      ],
      "interventions": [
        {
          "name": "DUPIXENT®",
          "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": 717,
      "start_date": "2021-08-12",
      "completion_date": "2027-03-25",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-02T02:43:50.438Z",
      "location_count": 48,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • La Jolla, California + 42 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04959448"
    },
    {
      "nct_id": "NCT04287621",
      "title": "Registry of Asthma Patients Initiating DUPIXENT®",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "DUPIXENT®",
          "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": 718,
      "start_date": "2020-03-02",
      "completion_date": "2026-04-27",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-09-02T02:43:50.438Z",
      "location_count": 73,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Scottsdale, Arizona + 63 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Redondo Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04287621"
    },
    {
      "nct_id": "NCT01949311",
      "title": "Open-label Study of Dupilumab in Patients With Atopic Dermatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "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": 2733,
      "start_date": "2013-10-10",
      "completion_date": "2022-06-27",
      "has_results": true,
      "last_update_posted_date": "2023-10-17",
      "last_synced_at": "2026-09-02T02:43:50.438Z",
      "location_count": 129,
      "location_summary": "Anniston, Alabama • Birmingham, Alabama • Phoenix, Arizona + 100 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01949311"
    }
  ]
}