{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hydroxychloroquine+Sulfate",
    "query": {
      "intervention": "Hydroxychloroquine Sulfate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 194,
    "total_pages": 20,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hydroxychloroquine+Sulfate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-18T05:32:56.773Z",
  "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": "NCT04011410",
      "title": "Hydroxychloroquine to Increase Tumor Suppressor PAR-4 Levels in Oligometastatic Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer Recurrent"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine Sulfate 200Mg Tab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Patrick Hensley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2019-12-03",
      "completion_date": "2024-03-08",
      "has_results": true,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04011410"
    },
    {
      "nct_id": "NCT04349410",
      "title": "The Fleming [FMTVDM] Directed CoVid-19 Treatment Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "CoVid 19 Positive"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine, Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Clindamycin",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Clindamycin, Primaquine - low dose.",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Clindamycin, Primaquine - high dose.",
          "type": "DRUG"
        },
        {
          "name": "Remdesivir",
          "type": "DRUG"
        },
        {
          "name": "Tocilizumab",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Interferon-Alpha2B",
          "type": "DRUG"
        },
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Convalescent Serum",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Camelot Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1800,
      "start_date": "2020-04-11",
      "completion_date": "2020-09-14",
      "has_results": false,
      "last_update_posted_date": "2020-11-12",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04349410"
    },
    {
      "nct_id": "NCT05221320",
      "title": "Trial of Ulixertinib in Combination With Hydroxychloroquine in Patients With Advanced Gastrointestinal (GI) Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tumor, Solid",
        "Gastrointestinal Cancer"
      ],
      "interventions": [
        {
          "name": "Ulixertinib",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioMed Valley Discoveries, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2022-05-26",
      "completion_date": "2024-07-14",
      "has_results": true,
      "last_update_posted_date": "2025-09-25",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 9,
      "location_summary": "Tucson, Arizona • San Francisco, California • Fairway, Kansas + 6 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Fairway",
          "state": "Kansas"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05221320"
    },
    {
      "nct_id": "NCT04372017",
      "title": "Hydroxychloroquine as Post-Exposure Prophylaxis Against COVID-19 Infection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19",
        "SARS-CoV 2"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine",
          "type": "DRUG"
        },
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Sanford Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2020-05-14",
      "completion_date": "2021-06-04",
      "has_results": true,
      "last_update_posted_date": "2021-12-10",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 1,
      "location_summary": "Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04372017"
    },
    {
      "nct_id": "NCT04334512",
      "title": "A Study of Quintuple Therapy to Treat COVID-19 Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19",
        "Corona Virus Infection",
        "Coronavirus-19",
        "Sars-CoV2"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine",
          "type": "DRUG"
        },
        {
          "name": "Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Zinc",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "ProgenaBiome",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 118,
      "start_date": "2020-06-22",
      "completion_date": "2024-02-27",
      "has_results": false,
      "last_update_posted_date": "2024-02-29",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 1,
      "location_summary": "Ventura, California",
      "locations": [
        {
          "city": "Ventura",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04334512"
    },
    {
      "nct_id": "NCT01026844",
      "title": "Hydroxychloroquine With or Without Erlotinib in Advanced Non-small Cell Lung Cancer (NSCLC)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "erlotinib",
          "type": "DRUG"
        },
        {
          "name": "hydroxychloroquine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2007-07",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2017-01-30",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01026844"
    },
    {
      "nct_id": "NCT02379650",
      "title": "Hydroxychloroquine (HCQ) for Recurrent Pregnancy Loss",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Pregnancy Loss",
        "Miscarriage"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine (HCQ)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2016-07",
      "completion_date": "2021-07",
      "has_results": false,
      "last_update_posted_date": "2016-08-12",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 2,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02379650"
    },
    {
      "nct_id": "NCT02057250",
      "title": "To Evaluate Sarilumab - SAR153191 (REGN88) - Auto-injector Device In Patients With Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "RA"
      ],
      "interventions": [
        {
          "name": "Sarilumab",
          "type": "DRUG"
        },
        {
          "name": "Auto-Injector Device (AID)",
          "type": "DEVICE"
        },
        {
          "name": "Pre-filled Syringe (PFS)",
          "type": "DEVICE"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Sulfasalazine",
          "type": "DRUG"
        },
        {
          "name": "Leflunomide",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 217,
      "start_date": "2014-03",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2017-06-20",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 31,
      "location_summary": "Huntsville, Alabama • Peoria, Arizona • Roseville, California + 25 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02057250"
    },
    {
      "nct_id": "NCT05279027",
      "title": "Zr89 + PET Companion Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Melanoma (Skin)"
      ],
      "interventions": [
        {
          "name": "Zirconium Zr 89 Crefmirlimab Berdoxa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2022-03-08",
      "completion_date": "2027-05-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05279027"
    },
    {
      "nct_id": "NCT04354870",
      "title": "COVID-19 PrEP HCW HCQ Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine (HCQ)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2020-04-03",
      "completion_date": "2020-10-01",
      "has_results": true,
      "last_update_posted_date": "2022-12-14",
      "last_synced_at": "2026-09-18T05:32:56.773Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04354870"
    }
  ]
}