{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HU+-+Hydroxyurea&page=2",
    "query": {
      "intervention": "HU - Hydroxyurea",
      "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?intervention=HU+-+Hydroxyurea&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T12:02:31.735Z",
  "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": "NCT00023959",
      "title": "Bevacizumab, Fluorouracil, and Hydroxyurea Plus Radiation Therapy in Treating Patients With Advanced Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Squamous Neck Cancer With Occult Primary Squamous Cell Carcinoma",
        "Recurrent Adenoid Cystic Carcinoma of the Oral Cavity",
        "Recurrent Basal Cell Carcinoma of the Lip",
        "Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Lymphoepithelioma of the Nasopharynx",
        "Recurrent Lymphoepithelioma of the Oropharynx",
        "Recurrent Metastatic Squamous Neck Cancer With Occult Primary",
        "Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Mucoepidermoid Carcinoma of the Oral Cavity",
        "Recurrent Salivary Gland Cancer",
        "Recurrent Squamous Cell Carcinoma of the Hypopharynx",
        "Recurrent Squamous Cell Carcinoma of the Larynx",
        "Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Recurrent Squamous Cell Carcinoma of the Nasopharynx",
        "Recurrent Squamous Cell Carcinoma of the Oropharynx",
        "Recurrent Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Verrucous Carcinoma of the Larynx",
        "Recurrent Verrucous Carcinoma of the Oral Cavity",
        "Stage III Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage III Basal Cell Carcinoma of the Lip",
        "Stage III Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity",
        "Stage III Inverted Papilloma of the Paranasal Sinus and Nasal Cavity",
        "Stage III Lymphoepithelioma of the Nasopharynx",
        "Stage III Lymphoepithelioma of the Oropharynx",
        "Stage III Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity",
        "Stage III Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage III Salivary Gland Cancer",
        "Stage III Squamous Cell Carcinoma of the Hypopharynx",
        "Stage III Squamous Cell Carcinoma of the Larynx",
        "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Nasopharynx",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage III Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage III Verrucous Carcinoma of the Larynx",
        "Stage III Verrucous Carcinoma of the Oral Cavity",
        "Stage IV Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IV Basal Cell Carcinoma of the Lip",
        "Stage IV Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Inverted Papilloma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Lymphoepithelioma of the Nasopharynx",
        "Stage IV Lymphoepithelioma of the Oropharynx",
        "Stage IV Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage IV Salivary Gland Cancer",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "Stage IV Squamous Cell Carcinoma of the Larynx",
        "Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IV Squamous Cell Carcinoma of the Nasopharynx",
        "Stage IV Squamous Cell Carcinoma of the Oropharynx",
        "Stage IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Verrucous Carcinoma of the Larynx",
        "Stage IV Verrucous Carcinoma of the Oral Cavity",
        "Untreated Metastatic Squamous Neck Cancer With Occult Primary"
      ],
      "interventions": [
        {
          "name": "hydroxyurea",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2001-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-07",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00023959"
    },
    {
      "nct_id": "NCT06979492",
      "title": "Prophylactic Transfusion In Pregnant in Women With Sickle Cell Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Pregnancy Related"
      ],
      "interventions": [
        {
          "name": "Prophylactic Transfusion Intervention group: Transfusion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2026-04",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-02-18",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06979492"
    },
    {
      "nct_id": "NCT03577691",
      "title": "Efficacy of a Decision Aid for Hydroxyurea in Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Training for use of web based Decision Aid",
          "type": "OTHER"
        },
        {
          "name": "No training for use of web based Decision Aid",
          "type": "OTHER"
        },
        {
          "name": "Pretest surveys and posttest surveys",
          "type": "OTHER"
        },
        {
          "name": "Only posttest surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "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": 2,
      "start_date": "2018-08-03",
      "completion_date": "2019-07-03",
      "has_results": false,
      "last_update_posted_date": "2019-07-23",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03577691"
    },
    {
      "nct_id": "NCT03653338",
      "title": "T-Cell Depleted Alternative Donor Bone Marrow Transplant for Sickle Cell Disease (SCD) and Other Anemias",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Anemia",
        "Beta-thalassemia Major",
        "Diamond-blackfan Anemia"
      ],
      "interventions": [
        {
          "name": "CD3/CD19 depleted leukocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CD45RA depleted leukocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hydroxyurea",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Alemtuzumab",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Paul Szabolcs",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "5 Years to 40 Years"
      },
      "enrollment_count": 5,
      "start_date": "2018-08-02",
      "completion_date": "2028-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03653338"
    },
    {
      "nct_id": "NCT06503458",
      "title": "A Low-Interventional Study of an Electronic Sickle Cell Disease Patient Reported Outcomes in Sickle Cell Participants",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle Cell Anemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sanguine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 52,
      "start_date": "2022-01-19",
      "completion_date": "2024-04-10",
      "has_results": false,
      "last_update_posted_date": "2024-07-16",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 1,
      "location_summary": "Woburn, Massachusetts",
      "locations": [
        {
          "city": "Woburn",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06503458"
    },
    {
      "nct_id": "NCT02225132",
      "title": "Assessment of Algorithm-Based Hydroxyurea Dosing on Fetal Hemoglobin Response, Acute Complications, and Organ Function in People With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Hydroxyurea",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "15 Years to 99 Years"
      },
      "enrollment_count": 10,
      "start_date": "2014-08-23",
      "completion_date": "2018-05-24",
      "has_results": true,
      "last_update_posted_date": "2019-08-06",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02225132"
    },
    {
      "nct_id": "NCT02252159",
      "title": "Prospective Observational Study Of Patients With Polycythemia Vera In US Clinical Practices (REVEAL)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "MPN (Myeloproliferative Neoplasms)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Incyte Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2544,
      "start_date": "2014-07-31",
      "completion_date": "2019-08-03",
      "has_results": false,
      "last_update_posted_date": "2021-04-26",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 264,
      "location_summary": "Green Valley, Arizona • Safford, Arizona • Scottsdale, Arizona + 261 more",
      "locations": [
        {
          "city": "Green Valley",
          "state": "Arizona"
        },
        {
          "city": "Safford",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Yuma",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02252159"
    },
    {
      "nct_id": "NCT04053764",
      "title": "Study Exploring the Effect of Crizanlizumab on Kidney Function in Patients With Chronic Kidney Disease Caused by Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease (SCD)"
      ],
      "interventions": [
        {
          "name": "Crizanlizuamb",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2019-12-10",
      "completion_date": "2023-03-20",
      "has_results": true,
      "last_update_posted_date": "2024-10-09",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Chicago, Illinois • Baton Rouge, Louisiana + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Greenville",
          "state": "North Carolina"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04053764"
    },
    {
      "nct_id": "NCT04675645",
      "title": "Adherence to HU and HRQOL in Patients With Sickle Cell Disease: An Intervention Study Using HU-Go App",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle B+ Thalassemia",
        "Sickle Beta Zero Thalassemia",
        "Sickle Cell Hemoglobin C"
      ],
      "interventions": [
        {
          "name": "HU-Go app",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 33,
      "start_date": "2018-05-15",
      "completion_date": "2020-07-11",
      "has_results": false,
      "last_update_posted_date": "2021-07-29",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04675645"
    },
    {
      "nct_id": "NCT01506544",
      "title": "Pharmacokinetics (PK) of Liquid Hydroxyurea in Pediatric Patients With Sickle Cell Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Anemia"
      ],
      "interventions": [
        {
          "name": "Hydroxyurea",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 39,
      "start_date": "2011-12",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2014-12-12",
      "last_synced_at": "2026-09-24T12:02:31.735Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Chicago, Illinois • New York, New York + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01506544"
    }
  ]
}