{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=REGN3500",
    "query": {
      "intervention": "REGN3500"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=REGN3500&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T07:57:08.464Z",
  "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": "NCT05326412",
      "title": "Mechanistic Study of the Effect of Itepekimab on Airway Inflammation in Patients With COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Itepekimab SAR440340",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 49,
      "start_date": "2022-05-19",
      "completion_date": "2025-07-25",
      "has_results": true,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-09-04T07:57:08.464Z",
      "location_count": 7,
      "location_summary": "Torrance, California • Denver, Colorado • Miami, Florida + 4 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05326412"
    },
    {
      "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": "2026-09-04T07:57:08.464Z",
      "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": "NCT06280391",
      "title": "A Proof-of-Concept Study to Assess the Efficacy, Safety and Tolerability of Itepekimab (Anti-IL-33 mAb) in Participants With Non-cystic Fibrosis Bronchiectasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bronchiectasis"
      ],
      "interventions": [
        {
          "name": "Itepekimab (SAR440340)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 312,
      "start_date": "2024-02-20",
      "completion_date": "2026-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-09-04T07:57:08.464Z",
      "location_count": 32,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Westminster",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06280391"
    },
    {
      "nct_id": "NCT06834360",
      "title": "A Phase 3 Study to Assess the Efficacy, Safety, and Tolerability of Itepekimab (Anti-IL-33 mAb) in Participants With Inadequately-controlled Chronic Rhinosinusitis With Nasal Polyps",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Rhinosinusitis With Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "Itepekimab (SAR440340)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Mometasone furoate nasal spray (MFNS)",
          "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": 216,
      "start_date": "2025-02-06",
      "completion_date": "2027-10-11",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-04T07:57:08.464Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • La Mesa, California • Los Angeles, California + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Napa",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06834360"
    },
    {
      "nct_id": "NCT03736967",
      "title": "Efficacy and Safety of REGN3500 Monotherapy and Combination of REGN3500 Plus Dupilumab in Adult Patients With Moderate-to-Severe Atopic Dermatitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "REGN3500",
          "type": "DRUG"
        },
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "REGN3500 + Dupilumab Combo",
          "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": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 206,
      "start_date": "2018-11-12",
      "completion_date": "2020-07-28",
      "has_results": true,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-09-04T07:57:08.464Z",
      "location_count": 22,
      "location_summary": "Phoenix, Arizona • Fountain Valley, California • Long Beach, California + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03736967"
    },
    {
      "nct_id": "NCT04701983",
      "title": "Study to Assess the Efficacy, Safety, and Tolerability of SAR440340/REGN3500/Itepekimab in Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Itepekimab SAR440340",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 1127,
      "start_date": "2020-12-16",
      "completion_date": "2025-08-27",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-09-04T07:57:08.464Z",
      "location_count": 86,
      "location_summary": "Birmingham, Alabama • Jasper, Alabama • Chandler, Arizona + 65 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04701983"
    },
    {
      "nct_id": "NCT03546907",
      "title": "Proof-of-Concept Study to Assess the Efficacy, Safety and Tolerability of SAR440340 (Anti-IL-33 mAb) in Patients With Moderate-to-severe Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "SAR440340",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Any Inhaled Corticosteroids as prescribed by treating physician as standard of care",
          "type": "DRUG"
        },
        {
          "name": "Any Long Acting Beta Agonist as prescribed by treating physician as standard of care",
          "type": "DRUG"
        },
        {
          "name": "Any Long Acting Muscarinic Agonist as prescribed by treating physician as standard of care",
          "type": "DRUG"
        },
        {
          "name": "Any short-acting β agonist as prescribed by treating physician as standard of care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 343,
      "start_date": "2018-07-16",
      "completion_date": "2020-02-21",
      "has_results": true,
      "last_update_posted_date": "2022-11-22",
      "last_synced_at": "2026-09-04T07:57:08.464Z",
      "location_count": 16,
      "location_summary": "Los Angeles, California • Riverside, California • Rolling Hills Estates, California + 13 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Westminster",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03546907"
    },
    {
      "nct_id": "NCT03112577",
      "title": "Study of REGN3500 and Dupilumab in Patients With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Asthma, Allergic"
      ],
      "interventions": [
        {
          "name": "REGN3500",
          "type": "DRUG"
        },
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone propionate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 32,
      "start_date": "2017-06-15",
      "completion_date": "2019-12-09",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-09-04T07:57:08.464Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03112577"
    },
    {
      "nct_id": "NCT06691113",
      "title": "A Proof-of-Concept Study to Assess the Efficacy, Safety and Tolerability of Itepekimab (Anti--IL-33 mAb) in Participants With Chronic Rhinosinusitis Without Nasal Polyps",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Rhinosinusitis Without Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "Itepekimab (SAR440340)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Mometasone furoate nasal spray (MFNS)",
          "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": 66,
      "start_date": "2024-12-16",
      "completion_date": "2026-08-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-04T07:57:08.464Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Murrieta, California + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Murrieta",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06691113"
    },
    {
      "nct_id": "NCT03738423",
      "title": "Efficacy, Safety, and Pharmacokinetic Profiles of REGN3500 Administered to Adult Patients With Moderate-to-Severe Atopic Dermatitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "REGN3500",
          "type": "DRUG"
        },
        {
          "name": "REGN3500-Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 129,
      "start_date": "2018-11-13",
      "completion_date": "2020-07-24",
      "has_results": true,
      "last_update_posted_date": "2022-06-10",
      "last_synced_at": "2026-09-04T07:57:08.464Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03738423"
    }
  ]
}