{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efgartigimod+PH20+SC&page=2",
    "query": {
      "intervention": "Efgartigimod PH20 SC",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 29,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efgartigimod+PH20+SC&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efgartigimod+PH20+SC&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T16:16:39.768Z",
  "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": "NCT05374590",
      "title": "Evaluating Long-term Safety of Efgartigimod Administered Intravenously and Efgartigimod PH20 Administered Subcutaneously in Children With Generalized Myasthenia Gravis",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Generalized Myasthenia Gravis",
        "gMG"
      ],
      "interventions": [
        {
          "name": "Efgartigimod IV or Efgartigimod PH20 SC",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "argenx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 12,
      "start_date": "2022-08-18",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-09-30T16:16:39.768Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Charlotte, North Carolina • Charlottesville, Virginia",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05374590"
    },
    {
      "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": "2026-09-30T16:16:39.768Z",
      "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": "NCT07264426",
      "title": "Real-World Efgartigimod Effectiveness in CIDP: A Prospective Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Inflammatory Demyelinating Polyradiculoneuropathy",
        "CIDP",
        "CIDP (Chronic Inflammatory Demyelinating Polyradiculoneuropathy)"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 200,
      "start_date": "2025-08-11",
      "completion_date": "2029-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-09-30T16:16:39.768Z",
      "location_count": 1,
      "location_summary": "Wilmington, North Carolina",
      "locations": [
        {
          "city": "Wilmington",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07264426"
    },
    {
      "nct_id": "NCT07673627",
      "title": "ADAPT Forward 2 - ISA2 - a Study to Evaluate the Safety, Tolerability and Efficacy of Empasiprubart IV Monotherapy in Participants With AChR-Ab Seropositive Generalized Myasthenia Gravis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "AChR-Ab Seropositive Generalized Myasthenia Gravis",
        "Myasthenia Gravis (MG)",
        "MG - Myasthenia Gravis",
        "gMG"
      ],
      "interventions": [
        {
          "name": "Empasiprubart IV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo IV",
          "type": "OTHER"
        },
        {
          "name": "Efgartigimod PH20 SC PFS",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "COMBINATION_PRODUCT"
      ],
      "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": 40,
      "start_date": "2026-07-10",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-09-30T16:16:39.768Z",
      "location_count": 4,
      "location_summary": "Miami, Florida • Amherst, New York • Chattanooga, Tennessee + 1 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Amherst",
          "state": "New York"
        },
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07673627"
    },
    {
      "nct_id": "NCT04687072",
      "title": "A Study to Evaluate the Efficacy and Safety of Efgartigimod PH20 Subcutaneous in Adult Patients With Primary Immune Thrombocytopenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Immune Thrombocytopenia"
      ],
      "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": 207,
      "start_date": "2020-12-16",
      "completion_date": "2023-10-09",
      "has_results": true,
      "last_update_posted_date": "2024-10-31",
      "last_synced_at": "2026-09-30T16:16:39.768Z",
      "location_count": 14,
      "location_summary": "Springdale, Arkansas • Los Angeles, California • Washington D.C., District of Columbia + 10 more",
      "locations": [
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Weston",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04687072"
    },
    {
      "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": "2026-09-30T16:16:39.768Z",
      "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": "NCT06909214",
      "title": "A Study to Evaluate the Clinical Outcomes of Efgartigimod PH20 SC in Adults With New-onset Generalized Myasthenia Gravis (gMG)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "New Onset Generalized Myasthenia Gravis (gMG)"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 30,
      "start_date": "2025-04-17",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-30T16:16:39.768Z",
      "location_count": 18,
      "location_summary": "La Jolla, California • Rancho Mirage, California • Boca Raton, Florida + 14 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06909214"
    },
    {
      "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": "2026-09-30T16:16:39.768Z",
      "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": "NCT05979441",
      "title": "A Study to Assess the Long-term Safety and Efficacy of a Subcutaneous Formulation of Efgartigimod in Adults With Active Idiopathic Inflammatory Myopathy",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Myositis",
        "Active Idiopathic Inflammatory Myopathy",
        "Dermatomyositis",
        "Polymyositis",
        "Immune-Mediated Necrotizing Myopathy",
        "Antisynthetase Syndrome"
      ],
      "interventions": [
        {
          "name": "Efgartigimod PH20 SC",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 240,
      "start_date": "2023-09-12",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-09-30T16:16:39.768Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • Beverly Hills, California • Orange, California + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05979441"
    },
    {
      "nct_id": "NCT07294170",
      "title": "ADAPT Forward - Master Protocol of a Platform Study to Evaluate the Safety and Efficacy of Multiple Regimens in Participants With Myasthenia Gravis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myasthenia Gravis",
        "MG",
        "gMG",
        "Generalized Myasthenia Gravis",
        "Generalized Myasthenia Gravis (gMG)",
        "AChR-Ab Seropositive Generalized Myasthenia Gravis"
      ],
      "interventions": [
        {
          "name": "Efgartigimod IV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Empasiprubart IV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo IV",
          "type": "OTHER"
        },
        {
          "name": "Efgartigimod PH20 SC PFS",
          "type": "BIOLOGICAL"
        }
      ],
      "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": 70,
      "start_date": "2025-12-19",
      "completion_date": "2028-03-07",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-09-30T16:16:39.768Z",
      "location_count": 15,
      "location_summary": "Carlsbad, California • Miami, Florida • Tampa, Florida + 11 more",
      "locations": [
        {
          "city": "Carlsbad",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07294170"
    }
  ]
}