{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemoglobin&page=9",
    "query": {
      "condition": "Hemoglobin",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 326,
    "total_pages": 33,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemoglobin&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemoglobin&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-07T04:38:14.810Z",
  "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": "NCT02262195",
      "title": "Dysfunctional Hemoglobin",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Elevated Levels of Carboxyhemoglobin and Methemoglobin"
      ],
      "interventions": [
        {
          "name": "Elevated levels of carboxyhemoglobin",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nonin Medical, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 62,
      "start_date": "2014-10",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2015-04-21",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02262195"
    },
    {
      "nct_id": "NCT00598273",
      "title": "Safety & Efficacy of Peginesatide for the Treatment of Anemia in Participants With Chronic Renal Failure Not on Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Renal Failure",
        "Chronic Kidney Disease",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "peginesatide",
          "type": "DRUG"
        },
        {
          "name": "Darbepoetin alfa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Affymax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 490,
      "start_date": "2007-10",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2013-02-12",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 68,
      "location_summary": "Montgomery, Alabama • Tempe, Arizona • Hot Springs, Arkansas + 62 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00598273"
    },
    {
      "nct_id": "NCT00528801",
      "title": "Examining Cognitive Function and Brain Abnormalities in Adults With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anemia, Sickle Cell"
      ],
      "interventions": [
        {
          "name": "NP Battery",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MRI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "UCSF Benioff Children's Hospital Oakland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 212,
      "start_date": "2004-12",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2017-03-21",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 12,
      "location_summary": "Los Angeles, California • Oakland, California • Hollywood, Florida + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00528801"
    },
    {
      "nct_id": "NCT01992003",
      "title": "Butterfly Sensor With Rev K Version",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Blood Loss"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2014-01",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-04-09",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01992003"
    },
    {
      "nct_id": "NCT01709786",
      "title": "Non-Invasive Hemoglobin Monitoring in Patients With Hemorrhage",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemorrhage"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 88,
      "start_date": "2012-09",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2016-08-09",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01709786"
    },
    {
      "nct_id": "NCT01322269",
      "title": "A Study of HQK-1001 in Patients With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle Cell Anemia",
        "Sickle Cell Disorders",
        "Hemoglobin S Disease",
        "Sickling Disorder Due to Hemoglobin S"
      ],
      "interventions": [
        {
          "name": "HQK-1001",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "HemaQuest Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "12 Years to 60 Years"
      },
      "enrollment_count": 52,
      "start_date": "2011-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-06-19",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 9,
      "location_summary": "Oakland, California • Miami, Florida • Augusta, Georgia + 6 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01322269"
    },
    {
      "nct_id": "NCT01792986",
      "title": "The Fasting II Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Metabolic Diseases"
      ],
      "interventions": [
        {
          "name": "water-only 24-hour fasting once per week for 6 weeks",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "30 Years to 69 Years"
      },
      "enrollment_count": 12,
      "start_date": "2013-02",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2017-03-20",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 2,
      "location_summary": "Murray, Utah • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01792986"
    },
    {
      "nct_id": "NCT00968227",
      "title": "Effect of Red Blood Cell Transfusion on Brain Metabolism in Patients With Subarachnoid Hemorrhage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Subarachnoid Hemorrhage",
        "Vasospasm"
      ],
      "interventions": [
        {
          "name": "Red blood cell transfusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2007-11",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2017-04-17",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00968227"
    },
    {
      "nct_id": "NCT03120702",
      "title": "Measurement of Total Hemoglobin by Pulse Oximetry in Neonatal Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Investigational Rainbow SpHb sensor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Masimo Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "16 Weeks",
        "sex": "ALL",
        "summary": "Up to 16 Weeks"
      },
      "enrollment_count": 128,
      "start_date": "2013-07-23",
      "completion_date": "2017-04-20",
      "has_results": false,
      "last_update_posted_date": "2021-04-28",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03120702"
    },
    {
      "nct_id": "NCT00102245",
      "title": "Clinical and Laboratory Investigation of Humans With Informative Iron or Erythroid Phenotypes",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemoglobinopathies",
        "Hemolysis",
        "Iron Deficiency and Overload",
        "Anemias"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 334,
      "start_date": "2005-01-18",
      "completion_date": "2017-08-04",
      "has_results": false,
      "last_update_posted_date": "2018-02-14",
      "last_synced_at": "2026-11-07T04:38:14.810Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00102245"
    }
  ]
}