{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+PH20+SC+-+prefilled+syringe",
    "query": {
      "intervention": "Placebo PH20 SC - prefilled syringe"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T00:51:28.941Z",
  "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": "NCT06307626",
      "title": "A Study of Efgartigimod PH20 SC Given by Prefilled Syringe in Adults With Thyroid Eye Disease.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Thyroid Eye Disease"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo PH20 SC",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "sponsor": "argenx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2024-03-28",
      "completion_date": "2026-02-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-09-27T00:51:28.941Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Mission Hills, California • Rancho Cordova, California + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Hills",
          "state": "California"
        },
        {
          "city": "Rancho Cordova",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boynton Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06307626"
    },
    {
      "nct_id": "NCT07583641",
      "title": "A Study to Learn About How Well the Medicine Efgartigimod Works to Treat Autoimmune Encephalitis In Children 12 Years or Older and Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autoimmune Encephalitis (AE)"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 (ARGX-113) SC",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo PH20 SC",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "argenx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 170,
      "start_date": "2027-04-01",
      "completion_date": "2030-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-09-27T00:51:28.941Z",
      "location_count": 2,
      "location_summary": "Tucson, Arizona • Sherman, Texas",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Sherman",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07583641"
    },
    {
      "nct_id": "NCT06558279",
      "title": "A Study to Assess Efficacy and Safety of Efgartigimod PH20 SC in Adults With Ocular Myasthenia Gravis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Myasthenia Gravis, Ocular"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo PH20 SC",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "sponsor": "argenx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2024-09-18",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-09-27T00:51:28.941Z",
      "location_count": 20,
      "location_summary": "Scottsdale, Arizona • Loma Linda, California • Los Angeles, California + 16 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06558279"
    },
    {
      "nct_id": "NCT06503731",
      "title": "A Study to Evaluate the Safety and Tolerability of Efgartigimod PH20 SC Given by Prefilled Syringe in Kidney Transplant Recipients With Antibody-Mediated Rejection (AMR)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Antibody-mediated Rejection"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC - prefilled syringe",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo PH20 SC - prefilled syringe",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "sponsor": "argenx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 33,
      "start_date": "2024-08-30",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-09-27T00:51:28.941Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06503731"
    },
    {
      "nct_id": "NCT07570316",
      "title": "A Study to Assess Efficacy and Safety of Efgartigimod PH20 SC PFS in Adult Participants With Graves' Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Graves' Disease",
        "Graves Disease"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo PH20 SC",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "argenx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 230,
      "start_date": "2026-06-10",
      "completion_date": "2030-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-09-27T00:51:28.941Z",
      "location_count": 21,
      "location_summary": "Orange, California • Pasadena, California • Fleming Island, Florida + 17 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Fleming Island",
          "state": "Florida"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07570316"
    },
    {
      "nct_id": "NCT06307613",
      "title": "A Study of Efgartigimod PH20 SC Given by Prefilled Syringe in Adults With Thyroid Eye Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Thyroid Eye Disease"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo PH20 SC",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "sponsor": "argenx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2024-03-27",
      "completion_date": "2026-02-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-09-27T00:51:28.941Z",
      "location_count": 16,
      "location_summary": "Beverly Hills, California • Irvine, California • Los Angeles, California + 13 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Coral Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06307613"
    },
    {
      "nct_id": "NCT06655155",
      "title": "A Study to Assess the Efficacy and Safety of Efgartigimod PH20 SC in Adults With Systemic Sclerosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Systemic Sclerosis (SSc)"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo PH20 SC",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "sponsor": "argenx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2024-11-11",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-09-27T00:51:28.941Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Plantation, Florida + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Plantation",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06655155"
    },
    {
      "nct_id": "NCT06684847",
      "title": "A Study of the Efficacy and Safety of Efgartigimod in Patients With Primary Sjögren's Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Sjogrens Disease"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo PH20 SC",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "argenx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 631,
      "start_date": "2025-01-15",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-27T00:51:28.941Z",
      "location_count": 42,
      "location_summary": "Scottsdale, Arizona • Sun City, Arizona • Tucson, Arizona + 36 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06684847"
    }
  ]
}