{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vaso-occlusive+Crisis&page=2",
    "query": {
      "condition": "Vaso-occlusive Crisis",
      "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=Vaso-occlusive+Crisis&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T04:16:00.699Z",
  "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": "NCT00095472",
      "title": "Therapeutic Application of Intravascular Nitrite for Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Anemia"
      ],
      "interventions": [
        {
          "name": "L-NMMA",
          "type": "DRUG"
        },
        {
          "name": "Sodium Nitrite",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2004-11-01",
      "completion_date": "2007-08-24",
      "has_results": false,
      "last_update_posted_date": "2019-11-05",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00095472"
    },
    {
      "nct_id": "NCT00532883",
      "title": "Hydroxyurea and Magnesium Pidolate to Treat People With Hemoglobin Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hemoglobin SC Disease"
      ],
      "interventions": [
        {
          "name": "Hydroxyurea",
          "type": "DRUG"
        },
        {
          "name": "Magnesium Pidolate",
          "type": "DRUG"
        },
        {
          "name": "Placebo Pills and Placebo Liquid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2007-01",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2013-01-18",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 19,
      "location_summary": "Birmingham, Alabama • Oakland, California • Sacramento, California + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00532883"
    },
    {
      "nct_id": "NCT06184126",
      "title": "Virtual Reality Devices as an Adjunct to Usual Care for Patients With Sickle Cell Disease Experiencing Vaso-Occlusive Crises",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Vaso-occlusive Pain Episode in Sickle Cell Disease",
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Virtual Reality Headset and Hand-Held Controllers",
          "type": "DEVICE"
        },
        {
          "name": "Blindfolding and Noise Cancelling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2024-11-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06184126"
    },
    {
      "nct_id": "NCT05075824",
      "title": "A Study Evaluating the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Crovalimab as Adjunct Treatment in Prevention of Vaso-Occlusive Episodes (VOE) in Sickle Cell Disease (SCD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Crovalimab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "12 Years to 55 Years"
      },
      "enrollment_count": 95,
      "start_date": "2022-03-09",
      "completion_date": "2026-04-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 4,
      "location_summary": "Detroit, Michigan • Madison, Mississippi • New York, New York + 1 more",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Madison",
          "state": "Mississippi"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Greenville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05075824"
    },
    {
      "nct_id": "NCT02179177",
      "title": "Apixaban in Patients With Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Vaso-occlusive Crisis",
        "Reduction in Hospitalizations",
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Apixaban",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nirmish Shah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 16,
      "start_date": "2015-01",
      "completion_date": "2017-09-03",
      "has_results": true,
      "last_update_posted_date": "2020-03-11",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02179177"
    },
    {
      "nct_id": "NCT04987489",
      "title": "A Study of Etavopivat in Patients With Thalassemia or Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia"
      ],
      "interventions": [
        {
          "name": "Etavopivat tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forma Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 53,
      "start_date": "2022-03-28",
      "completion_date": "2025-09-24",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 14,
      "location_summary": "Cerritos, California • Los Angeles, California • Oakland, California + 9 more",
      "locations": [
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04987489"
    },
    {
      "nct_id": "NCT02433158",
      "title": "Safety of Rivipansel (GMI-1070) in the Treatment of One or More Vaso-Occlusive Crises in Hospitalized Subjects With Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Anemia",
        "Sickle Cell Disease",
        "Sickle Cell Disorders",
        "Pain Crisis",
        "Vaso-occlusive Crisis"
      ],
      "interventions": [
        {
          "name": "Rivipansel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlycoMimetics Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 154,
      "start_date": "2015-12-16",
      "completion_date": "2019-11-15",
      "has_results": false,
      "last_update_posted_date": "2021-02-10",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 85,
      "location_summary": "Mobile, Alabama • Little Rock, Arkansas • Sacramento, California + 28 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02433158"
    },
    {
      "nct_id": "NCT03478917",
      "title": "Early Diagnosis of Sickle Acute Chest Syndrome Using a Combination of Plasma Bimarkers and Chest Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease (SCD)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "10 Years to 85 Years"
      },
      "enrollment_count": 65,
      "start_date": "2018-02-27",
      "completion_date": "2021-10-27",
      "has_results": false,
      "last_update_posted_date": "2023-07-17",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03478917"
    },
    {
      "nct_id": "NCT01033227",
      "title": "Safety and Efficacy of Sodium Nitrite in Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "sodium nitrite injection, usp",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "23 Years",
        "sex": "ALL",
        "summary": "8 Years to 23 Years"
      },
      "enrollment_count": 5,
      "start_date": "2009-12",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2017-10-17",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01033227"
    },
    {
      "nct_id": "NCT02222246",
      "title": "Comparing Acute Pain Management Protocols for Patients With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Hydromorphone (Standardized, weight-based dosing)",
          "type": "DRUG"
        },
        {
          "name": "Morphine Sulfate (Standardized, weight-based dosing)",
          "type": "DRUG"
        },
        {
          "name": "Hydromorphone (Patient Specific dosing)",
          "type": "DRUG"
        },
        {
          "name": "Morphine Sulfate (Patient Specific dosing)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 106,
      "start_date": "2015-03-15",
      "completion_date": "2016-06-30",
      "has_results": true,
      "last_update_posted_date": "2017-08-04",
      "last_synced_at": "2026-05-22T04:16:00.699Z",
      "location_count": 2,
      "location_summary": "New York, New York • Cincinnati, Ohio",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02222246"
    }
  ]
}