{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemoglobin&page=7",
    "query": {
      "condition": "Hemoglobin",
      "page": 7
    },
    "page_size": 10
  },
  "pagination": {
    "page": 7,
    "page_size": 10,
    "total_count": 326,
    "total_pages": 33,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemoglobin&page=8&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemoglobin&page=6&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-06T15:06:47.132Z",
  "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": "NCT02566525",
      "title": "CytoSorb Reduction of Free Hemoglobin During Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Elective Cardiac Surgery"
      ],
      "interventions": [
        {
          "name": "CytoSorb",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CytoSorbents, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 52,
      "start_date": "2015-11",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2021-08-20",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 8,
      "location_summary": "Lexington, Kentucky • Baltimore, Maryland • Springfield, Massachusetts + 5 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02566525"
    },
    {
      "nct_id": "NCT03619798",
      "title": "Evaluation of HemoTypeSC as a Novel Rapid Test for Point-of-Care Screening for Sickle-Cell Disease, Hemoglobin C Disease, and Carrier Status in Low-Resource Settings",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diagnoses Disease"
      ],
      "interventions": [
        {
          "name": "HemoTypeSC",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Silver Lake Research Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 600,
      "start_date": "2018-08-03",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2018-08-08",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 1,
      "location_summary": "Azusa, California",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03619798"
    },
    {
      "nct_id": "NCT00985361",
      "title": "Effect of Vitamin D Supplementation on Hemoglobin A1c in Patients With Uncontrolled Type 2 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Vitamin D3 2000 international units daily",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin C 500mg daily",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "ProMedica Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 37,
      "start_date": "2009-10",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2010-05-06",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 3,
      "location_summary": "Sylvania, Ohio • Toledo, Ohio",
      "locations": [
        {
          "city": "Sylvania",
          "state": "Ohio"
        },
        {
          "city": "Toledo",
          "state": "Ohio"
        },
        {
          "city": "Toledo",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00985361"
    },
    {
      "nct_id": "NCT01811342",
      "title": "Continuous Hemoglobin Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2012-11",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2018-02-27",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01811342"
    },
    {
      "nct_id": "NCT00141492",
      "title": "Efficacy and Safety of Androgel in the Treatment of Hypogonadal and Low Testosterone Men With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Androgel (testosterone gel)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Solvay Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "30 Years to 80 Years · Male only"
      },
      "enrollment_count": null,
      "start_date": "2004-10",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2015-01-21",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 70,
      "location_summary": "Birmingham, Alabama • Calera, Alabama • Mobile, Alabama + 54 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Calera",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00141492"
    },
    {
      "nct_id": "NCT05675436",
      "title": "Investigating the Mechanistic Effects of Mitapivat in Subjects With Sickle Cell Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Anemia",
        "Sickle Cell Thalassemia",
        "Sickle Cell Pain",
        "Hbss",
        "Hbsc",
        "Sickle Beta Thalassemia",
        "Sickle Beta Zero Thalassemia",
        "Sickle Cell Syndrome Variant"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "16 Years to 80 Years"
      },
      "enrollment_count": 6,
      "start_date": "2024-05-09",
      "completion_date": "2027-10-27",
      "has_results": false,
      "last_update_posted_date": "2026-10-29",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05675436"
    },
    {
      "nct_id": "NCT00048477",
      "title": "Effects of Nitrite on Blood Vessel Dilation in Normal Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nitric Oxide",
        "Endothelium-Derived Relaxing Factor",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "L-NMMA and Sodium Nitrite",
          "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": 42,
      "start_date": "2002-10",
      "completion_date": "2003-11",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00048477"
    },
    {
      "nct_id": "NCT06078696",
      "title": "Siplizumab for Sickle Cell Disease Transplant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Anemia, Sickle Cell"
      ],
      "interventions": [
        {
          "name": "Siplizumab",
          "type": "DRUG"
        },
        {
          "name": "Exchange Transfusion",
          "type": "PROCEDURE"
        },
        {
          "name": "Total Body Irradiation",
          "type": "PROCEDURE"
        },
        {
          "name": "Stem Cell Infusion",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide 50mg",
          "type": "DRUG"
        },
        {
          "name": "Mesna",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Rituximab or Biosimilar",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 1,
      "start_date": "2023-09-28",
      "completion_date": "2025-12-11",
      "has_results": true,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06078696"
    },
    {
      "nct_id": "NCT01275027",
      "title": "A Placebo-Controlled, Randomized, Safety and Efficacy Study to Evaluate the Change in Hemoglobin A1c Levels in Type 2 Diabetic Subjects While Taking Nutralin",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Nutralin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Avera McKennan Hospital & University Health Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2011-01",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2015-04-22",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 1,
      "location_summary": "Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01275027"
    },
    {
      "nct_id": "NCT00182390",
      "title": "Premature Infants in Need of Transfusion (PINT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia of Prematurity"
      ],
      "interventions": [
        {
          "name": "Red blood cell transfusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "McMaster University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "48 Hours",
        "sex": "ALL",
        "summary": "Up to 48 Hours"
      },
      "enrollment_count": 424,
      "start_date": "2001-02",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2015-09-24",
      "last_synced_at": "2026-11-06T15:06:47.132Z",
      "location_count": 2,
      "location_summary": "Albany, New York • Brooklyn, New York",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00182390"
    }
  ]
}