{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Paroxysmal+Hemoglobinuria&page=2",
    "query": {
      "condition": "Paroxysmal Hemoglobinuria",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Paroxysmal+Hemoglobinuria&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T04:48:24.630Z",
  "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": "NCT04432584",
      "title": "A Study Evaluating the Safety, Pharmacokinetics, and Efficacy of Crovalimab Versus Eculizumab in Participants With Paroxysmal Nocturnal Hemoglobinuria (PNH) Currently Treated With Complement Inhibitors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Paroxysmal Nocturnal Hemoglobinuria"
      ],
      "interventions": [
        {
          "name": "Crovalimab",
          "type": "DRUG"
        },
        {
          "name": "Eculizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 190,
      "start_date": "2020-09-30",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 2,
      "location_summary": "Charlotte, North Carolina • Columbus, Ohio",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04432584"
    },
    {
      "nct_id": "NCT03818607",
      "title": "A Study Evaluating the Efficacy and Safety of ABP 959 Compared With Eculizumab in Adult Participants With PNH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Paroxysmal Nocturnal Hemoglobinuria"
      ],
      "interventions": [
        {
          "name": "ABP 959",
          "type": "DRUG"
        },
        {
          "name": "Eculizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2019-01-22",
      "completion_date": "2022-07-12",
      "has_results": true,
      "last_update_posted_date": "2023-05-23",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03818607"
    },
    {
      "nct_id": "NCT03030183",
      "title": "Phase 2 Safety and Efficacy Study of Zilucoplan (RA101495) to Treat PNH Patients Who Have an Inadequate Response to Eculizumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Paroxysmal Nocturnal Hemoglobinuria (PNH)"
      ],
      "interventions": [
        {
          "name": "Zilucoplan (RA101495)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ra Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2017-04-17",
      "completion_date": "2018-03-28",
      "has_results": true,
      "last_update_posted_date": "2022-07-27",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 6,
      "location_summary": "Duarte, California • Los Angeles, California • Chicago, Illinois + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03030183"
    },
    {
      "nct_id": "NCT00098280",
      "title": "Eculizumab to Treat Paroxysmal Nocturnal Hemoglobinuria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemoglobinuria, Paroxysmal"
      ],
      "interventions": [
        {
          "name": "Eculizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 75,
      "start_date": "2004-12",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00098280"
    },
    {
      "nct_id": "NCT07102849",
      "title": "Molecular and Clinical Analysis of Bone Marrow Failure: A Secondary Research Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bone Marrow Failure Disorders",
        "VEXAS Syndrome",
        "Hemoglobinurea, Paroxysmal",
        "Myelodysplastic Syndromes",
        "Bone Marrow Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "2 Years to 120 Years"
      },
      "enrollment_count": 1400,
      "start_date": "2025-09-09",
      "completion_date": "2030-07-11",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07102849"
    },
    {
      "nct_id": "NCT03520647",
      "title": "Haplo-identical Transplantation for Severe Aplastic Anemia, Hypo-plastic MDS and PNH Using Peripheral Blood Stem Cells and Post-transplant Cyclophosphamide for GVHD Prophylaxis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Severe Aplastic Anemia (SAA)",
        "Hypo-Plastic Myelodysplastic Syndrome (MDS)",
        "Paroxysmal Nocturnal Hemoglobinuria (PNH)"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cells",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "4 Years to 75 Years"
      },
      "enrollment_count": 56,
      "start_date": "2019-02-19",
      "completion_date": "2028-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03520647"
    },
    {
      "nct_id": "NCT00012376",
      "title": "Chemotherapy Plus Sargramostim in Treating Patients With Refractory Myeloid Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Accelerated Phase Chronic Myelogenous Leukemia",
        "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities",
        "Adult Acute Myeloid Leukemia With Del(5q)",
        "Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(15;17)(q22;q12)",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)",
        "Blastic Phase Chronic Myelogenous Leukemia",
        "Chronic Myelomonocytic Leukemia",
        "Chronic Phase Chronic Myelogenous Leukemia",
        "Paroxysmal Nocturnal Hemoglobinuria",
        "Previously Treated Myelodysplastic Syndromes",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Refractory Anemia",
        "Refractory Anemia With Ringed Sideroblasts",
        "Relapsing Chronic Myelogenous Leukemia",
        "Thrombocytopenia",
        "Untreated Adult Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "bryostatin 1",
          "type": "DRUG"
        },
        {
          "name": "sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2001-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-09",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00012376"
    },
    {
      "nct_id": "NCT00438789",
      "title": "The Paroxysmal Nocturnal Hemoglobinuria Early Access Treatment Protocol",
      "overall_status": "APPROVED_FOR_MARKETING",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Hemoglobinuria, Paroxysmal"
      ],
      "interventions": [
        {
          "name": "eculizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-05-06",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 1,
      "location_summary": "Livingston, New Jersey",
      "locations": [
        {
          "city": "Livingston",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00438789"
    },
    {
      "nct_id": "NCT03748823",
      "title": "Ravulizumab Subcutaneous (SC) Versus Ravulizumab Intravenous (IV) in Adults With Paroxysmal Nocturnal Hemoglobinuria (PNH) Currently Treated With Eculizumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Paroxysmal Nocturnal Hemoglobinuria"
      ],
      "interventions": [
        {
          "name": "Ravulizumab OBDS",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Ravulizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "BIOLOGICAL"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 139,
      "start_date": "2019-02-19",
      "completion_date": "2023-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03748823"
    },
    {
      "nct_id": "NCT06524726",
      "title": "The International PNH Interest Group PNH Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Paroxysmal Nocturnal Hemoglobinuria"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "International PNH Interest Group",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2000,
      "start_date": "2024-05-10",
      "completion_date": "2029-05-10",
      "has_results": false,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-07-24T04:48:24.630Z",
      "location_count": 1,
      "location_summary": "Altamonte Springs, Florida",
      "locations": [
        {
          "city": "Altamonte Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06524726"
    }
  ]
}