{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Danicopan-matching+placebo",
    "query": {
      "intervention": "Danicopan-matching placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T19:31:48.961Z",
  "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": "NCT03369236",
      "title": "A Proof-of-Concept Study of Danicopan for 6 Months of Treatment in Participants With C3 Glomerulopathy (C3G)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "C3 Glomerulopathy",
        "C3 Glomerulonephritis",
        "Dense Deposit Disease"
      ],
      "interventions": [
        {
          "name": "Danicopan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "17 Years to 65 Years"
      },
      "enrollment_count": 13,
      "start_date": "2018-06-12",
      "completion_date": "2020-12-18",
      "has_results": true,
      "last_update_posted_date": "2022-10-14",
      "last_synced_at": "2026-09-27T19:31:48.961Z",
      "location_count": 6,
      "location_summary": "Aurora, Colorado • Lawrenceville, Georgia • Iowa City, Iowa + 2 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Lawrenceville",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03369236"
    },
    {
      "nct_id": "NCT05016206",
      "title": "A Study of the Cardiac Effects of Danicopan in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Danicopan",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin-matching Placebo",
          "type": "DRUG"
        },
        {
          "name": "Danicopan-matching placebo",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 33,
      "start_date": "2018-07-26",
      "completion_date": "2018-10-12",
      "has_results": false,
      "last_update_posted_date": "2021-08-23",
      "last_synced_at": "2026-09-27T19:31:48.961Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05016206"
    },
    {
      "nct_id": "NCT04988035",
      "title": "ACTIV-5 / Big Effect Trial (BET-C) for the Treatment of COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Danicopan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Remdesivir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 201,
      "start_date": "2021-08-03",
      "completion_date": "2022-04-23",
      "has_results": true,
      "last_update_posted_date": "2023-06-08",
      "last_synced_at": "2026-09-27T19:31:48.961Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • Bakersfield, California • Fresno, California + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04988035"
    },
    {
      "nct_id": "NCT05019521",
      "title": "A Study of Danicopan in Participants With Geographic Atrophy Secondary to Age-Related Macular Degeneration",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Geographic Atrophy"
      ],
      "interventions": [
        {
          "name": "Danicopan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 365,
      "start_date": "2021-08-23",
      "completion_date": "2025-01-21",
      "has_results": true,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-09-27T19:31:48.961Z",
      "location_count": 49,
      "location_summary": "Phoenix, Arizona • Beverly Hills, California • Encino, California + 45 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05019521"
    }
  ]
}