{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metal+level+measurements",
    "query": {
      "intervention": "Metal level measurements"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T22:59:12.130Z",
  "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": "NCT04756076",
      "title": "Study Roles of Heavy Metals and Essential Metal Dyshomeostasis in Pulmonary Arterial Hypertension Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Metal Poison"
      ],
      "interventions": [
        {
          "name": "Metal level measurements",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Jiapeng Huang",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2020-12-02",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-05-30",
      "last_synced_at": "2026-09-10T22:59:12.130Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04756076"
    },
    {
      "nct_id": "NCT03337113",
      "title": "Working Memory Training Combined With Transcranial Magnetic Stimulation in Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Working Memory Training",
          "type": "OTHER"
        },
        {
          "name": "Sham Working Memory Training",
          "type": "OTHER"
        },
        {
          "name": "repetitive Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Sham repetitive Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Kent State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2018-03-05",
      "completion_date": "2021-01-31",
      "has_results": true,
      "last_update_posted_date": "2022-05-02",
      "last_synced_at": "2026-09-10T22:59:12.130Z",
      "location_count": 2,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03337113"
    },
    {
      "nct_id": "NCT02682056",
      "title": "Glucose Measurement Using Microneedle Patches",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Microneedle patch",
          "type": "DEVICE"
        },
        {
          "name": "Intravenous (IV) catheter",
          "type": "DEVICE"
        },
        {
          "name": "Lancet",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "7 Years to 18 Years"
      },
      "enrollment_count": 15,
      "start_date": "2017-12-21",
      "completion_date": "2018-01-29",
      "has_results": true,
      "last_update_posted_date": "2020-01-03",
      "last_synced_at": "2026-09-10T22:59:12.130Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02682056"
    },
    {
      "nct_id": "NCT05887934",
      "title": "Bone-Lead Level Associations With Brain and Mental Health",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lead Exposure"
      ],
      "interventions": [
        {
          "name": "X-Ray Fluorescence Analyzer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 500,
      "start_date": "2023-08-17",
      "completion_date": "2027-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-09-10T22:59:12.130Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05887934"
    },
    {
      "nct_id": "NCT03208387",
      "title": "Understanding the Late Effects of Surviving a Pediatric Brain Tumor",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Tumor",
        "Pediatric Brain Tumor",
        "Pediatric Cancer"
      ],
      "interventions": [
        {
          "name": "Diffusion tensor imaging (DTI)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Resting state functional connectivity MRI (rs-fcMRI)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Wechsler Intelligence Scale for Children - 5th edition (WISC-V)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "California Verbal Learning Test (CVLT-C)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Beery Test of Visual Motor Integration 6th edition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Grooved Pegboard",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PedsQL Multidimensional Fatigue Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "6 Years to 16 Years"
      },
      "enrollment_count": 42,
      "start_date": "2017-06-28",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-09-10T22:59:12.130Z",
      "location_count": 4,
      "location_summary": "New York, New York • Dallas, Texas • Seattle, Washington",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03208387"
    },
    {
      "nct_id": "NCT01572922",
      "title": "Massive Iron Deposit Assessment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron Overload",
        "Excessive Body Iron Burden"
      ],
      "interventions": [
        {
          "name": "R2*-UTE",
          "type": "DEVICE"
        },
        {
          "name": "R2*-GRE",
          "type": "DEVICE"
        },
        {
          "name": "Liver biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 142,
      "start_date": "2012-06-11",
      "completion_date": "2018-02-28",
      "has_results": true,
      "last_update_posted_date": "2019-06-11",
      "last_synced_at": "2026-09-10T22:59:12.130Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01572922"
    }
  ]
}