{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vaso-Occlusive+Crises&page=2",
    "query": {
      "condition": "Vaso-Occlusive Crises",
      "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+Crises&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T22:46:33.509Z",
  "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": "NCT03541980",
      "title": "Does IV Acetaminophen Reduce Opioid Requirement in Pediatric Patients With Acute Sickle Cell Crises?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sickle Cell Anemia Crisis"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Newark Beth Israel Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "4 Years to 16 Years"
      },
      "enrollment_count": 71,
      "start_date": "2018-02-20",
      "completion_date": "2020-02-20",
      "has_results": true,
      "last_update_posted_date": "2021-04-02",
      "last_synced_at": "2026-06-10T22:46:33.509Z",
      "location_count": 1,
      "location_summary": "Newark, New York",
      "locations": [
        {
          "city": "Newark",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03541980"
    },
    {
      "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": "2026-06-10T22:46:33.509Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01033227"
    },
    {
      "nct_id": "NCT01482091",
      "title": "Intranasal Fentanyl for Initial Treatment of a Vaso-occlusive Crisis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anemia, Sickle Cell",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Fentanyl Citrate",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 124,
      "start_date": "2011-12",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2016-08-19",
      "last_synced_at": "2026-06-10T22:46:33.509Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482091"
    },
    {
      "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": "2026-06-10T22:46:33.509Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00095472"
    },
    {
      "nct_id": "NCT03615924",
      "title": "Effect of Ticagrelor vs. Placebo in the Reduction of Vaso-occlusive Crises in Pediatric Patients With Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Ticagrelor",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 193,
      "start_date": "2018-09-26",
      "completion_date": "2020-08-13",
      "has_results": true,
      "last_update_posted_date": "2021-04-09",
      "last_synced_at": "2026-06-10T22:46:33.509Z",
      "location_count": 7,
      "location_summary": "Fort Lauderdale, Florida • Miami, Florida • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Oak Lawn",
          "state": "Illinois"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03615924"
    },
    {
      "nct_id": "NCT05348915",
      "title": "A Study to Evaluate the Long-term Safety of Inclacumab Administered to Participants With Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Vaso-occlusive Crisis",
        "Vaso-occlusive Pain Episode in Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Inclacumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 242,
      "start_date": "2022-03-29",
      "completion_date": "2025-11-07",
      "has_results": false,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-06-10T22:46:33.509Z",
      "location_count": 18,
      "location_summary": "Mobile, Alabama • Little Rock, Arkansas • Orange, California + 7 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05348915"
    },
    {
      "nct_id": "NCT07450430",
      "title": "Optimal Timing of Ketamine Initiation for SCD Pain",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle Cell Crisis"
      ],
      "interventions": [
        {
          "name": "Ketamine hydrochloride injection",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "6 Years to 24 Years"
      },
      "enrollment_count": 90,
      "start_date": "2026-02",
      "completion_date": "2030-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-06-10T22:46:33.509Z",
      "location_count": 1,
      "location_summary": "Brookline, Massachusetts",
      "locations": [
        {
          "city": "Brookline",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07450430"
    },
    {
      "nct_id": "NCT04935879",
      "title": "A Study to Assess the Safety and Efficacy of Inclacumab in Participants With Sickle Cell Disease Experiencing Vaso-occlusive Crises",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Vaso-occlusive Pain Episode in Sickle Cell Disease",
        "Vaso-occlusive Crisis"
      ],
      "interventions": [
        {
          "name": "Inclacumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 241,
      "start_date": "2021-10-04",
      "completion_date": "2024-06-06",
      "has_results": true,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-06-10T22:46:33.509Z",
      "location_count": 22,
      "location_summary": "Mobile, Alabama • Little Rock, Arkansas • Orange, California + 7 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04935879"
    },
    {
      "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": "2026-06-10T22:46:33.509Z",
      "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": "NCT06439082",
      "title": "A Study to Investigate the Efficacy and Safety of Crizanlizumab (5 mg/kg) Compared With Placebo in Adolescent and Adult Sickle Cell Disease Patients Who Experience Frequent Vaso-Occlusive Crises (SPARKLE)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Crizanlizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "12 Years to 100 Years"
      },
      "enrollment_count": 315,
      "start_date": "2024-10-24",
      "completion_date": "2030-04-19",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-06-10T22:46:33.509Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Orange, California • Washington D.C., District of Columbia + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06439082"
    }
  ]
}