{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemoglobin&page=2",
    "query": {
      "condition": "Hemoglobin",
      "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=Hemoglobin&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T23:43:02.521Z",
  "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": "NCT00542230",
      "title": "Blood Sampling for Research Related to Sickle Cell Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Trait",
        "Sickle Cell Disease",
        "Sickle Cell Anemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 250,
      "start_date": "2007-11-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00542230"
    },
    {
      "nct_id": "NCT02275507",
      "title": "Non-Invasive Hemoglobin Monitoring of Women Undergoing Cesarean Delivery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Complications of Pregnancy, Childbirth and the Puerperium"
      ],
      "interventions": [
        {
          "name": "Masimo Rainbow Sensor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2014-10-15",
      "completion_date": "2016-10-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-04",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02275507"
    },
    {
      "nct_id": "NCT03128853",
      "title": "Spot-Check Noninvasive Hemoglobin (SpHb) Repeatability and Reproducibility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anemia",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Rad-67 and DCI Mini Sensor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Masimo Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Month and older"
      },
      "enrollment_count": 57,
      "start_date": "2016-10-31",
      "completion_date": "2016-11-15",
      "has_results": false,
      "last_update_posted_date": "2020-04-27",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 2,
      "location_summary": "Irvine, California • Charlotte, North Carolina",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03128853"
    },
    {
      "nct_id": "NCT05189262",
      "title": "Cardiopulmonary Bypass Induced Red Blood Cell Lysis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiopulmonary Bypass",
        "Cardiac Surgery",
        "Kidney Injury, Acute"
      ],
      "interventions": [
        {
          "name": "Blood and urine collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "18 Years to 88 Years"
      },
      "enrollment_count": 150,
      "start_date": "2022-03-22",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-08-19",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05189262"
    },
    {
      "nct_id": "NCT00382096",
      "title": "Efficacy of Fixed Combination Therapy of Vildagliptin and Metformin Compared to the Individual Monotherapy Components in Drug Naive Patients With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Vildagliptin",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Vildagliptin + Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "78 Years",
        "sex": "ALL",
        "summary": "18 Years to 78 Years"
      },
      "enrollment_count": 1179,
      "start_date": "2006-09",
      "completion_date": "2008-06-03",
      "has_results": false,
      "last_update_posted_date": "2020-12-19",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00382096"
    },
    {
      "nct_id": "NCT02197845",
      "title": "Enhancing Use of Hydroxyurea In Sickle Cell Disease Using Patient Navigators",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Patient Navigator",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Recruitment into Specialty Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 353,
      "start_date": "2012-10",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-06-02",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02197845"
    },
    {
      "nct_id": "NCT04678037",
      "title": "Home-based Assessment of PRO Measures in SCD Using A Smartphone App Platform: A Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle Cell Hemoglobin C",
        "Sickle Beta Zero Thalassemia",
        "Sickle B+ Thalassemia"
      ],
      "interventions": [
        {
          "name": "PROs assessment using sickle cell disease mobile app (SCD-app)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "12 Years to 25 Years"
      },
      "enrollment_count": 40,
      "start_date": "2017-04-04",
      "completion_date": "2019-07-21",
      "has_results": false,
      "last_update_posted_date": "2020-12-21",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04678037"
    },
    {
      "nct_id": "NCT04624659",
      "title": "A Study of Etavopivat in Adults and Adolescents With Sickle Cell Disease (HIBISCUS)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Etavopivat Tablets Low dose",
          "type": "DRUG"
        },
        {
          "name": "Etavopivat Tablets High dose",
          "type": "DRUG"
        },
        {
          "name": "Placebo Tablets",
          "type": "DRUG"
        },
        {
          "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": 450,
      "start_date": "2021-01-29",
      "completion_date": "2027-03-19",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 63,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 47 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04624659"
    },
    {
      "nct_id": "NCT04347291",
      "title": "Mobile Phone Support for Adults and Support Persons to Live Well With Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "FAMS 2.0",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Print Materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 638,
      "start_date": "2020-04-28",
      "completion_date": "2023-02-17",
      "has_results": true,
      "last_update_posted_date": "2024-01-17",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04347291"
    },
    {
      "nct_id": "NCT02372877",
      "title": "Evaluation of the AMICUS RBCx System in Sickle Cell Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Anemia"
      ],
      "interventions": [
        {
          "name": "Amicus Red Cell Exchange in SCD patients",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Fenwal, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 83,
      "start_date": "2015-05",
      "completion_date": "2018-01-19",
      "has_results": true,
      "last_update_posted_date": "2022-07-29",
      "last_synced_at": "2026-07-23T23:43:02.521Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Detroit, Michigan • St Louis, Missouri + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02372877"
    }
  ]
}