{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CROWN",
    "query": {
      "intervention": "CROWN"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 75,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CROWN&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T11:03:09.209Z",
  "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": "NCT02289781",
      "title": "Wear of Enamel Against Polished Zirconia Crowns",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tooth Wear"
      ],
      "interventions": [
        {
          "name": "posterior crowns",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2013-04",
      "completion_date": "2022-08",
      "has_results": false,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02289781"
    },
    {
      "nct_id": "NCT04333732",
      "title": "CROWN CORONATION: COVID-19 Research Outcomes Worldwide Network for CORONAvirus prevenTION",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID 19"
      ],
      "interventions": [
        {
          "name": "MR or M-M-R II ® vaccine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3411,
      "start_date": "2020-09-04",
      "completion_date": "2021-12-03",
      "has_results": true,
      "last_update_posted_date": "2024-03-26",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04333732"
    },
    {
      "nct_id": "NCT00223405",
      "title": "Analysis of Enamel Wear Against Ceramic Restorations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tooth Wear"
      ],
      "interventions": [
        {
          "name": "crown placement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 36,
      "start_date": "2003-04",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2016-11-22",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00223405"
    },
    {
      "nct_id": "NCT04646239",
      "title": "Biomarkers of Trained Immunity Following MMR Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Heterologous stimuli",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Neutralization assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2020-12-17",
      "completion_date": "2021-06-28",
      "has_results": false,
      "last_update_posted_date": "2021-11-26",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04646239"
    },
    {
      "nct_id": "NCT02363790",
      "title": "Primary Fascial Closure With Laparoscopic Ventral Hernia Repair: A Randomized Controlled Trial",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hernia, Ventral"
      ],
      "interventions": [
        {
          "name": "LVHR PFC",
          "type": "PROCEDURE"
        },
        {
          "name": "Bridging LVHR",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 189,
      "start_date": "2015-03",
      "completion_date": "2019-05",
      "has_results": false,
      "last_update_posted_date": "2018-07-20",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 5,
      "location_summary": "Washington D.C., District of Columbia • Iowa City, Iowa • Lexington, Kentucky + 2 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02363790"
    },
    {
      "nct_id": "NCT06926023",
      "title": "1550nm Non-ablative Fractional Vs 1927nm Thulium Fractional Laser for the Treatment of Female Pattern Hair Loss",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Female Pattern Baldness"
      ],
      "interventions": [
        {
          "name": "1550nm non-ablative fractional laser",
          "type": "DEVICE"
        },
        {
          "name": "1927 thulium fractional laser",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Goldman, Butterwick, Fitzpatrick and Groff",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 65 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2025-05-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-16",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06926023"
    },
    {
      "nct_id": "NCT04604301",
      "title": "Celtra Quatro Crown Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fractured Tooth",
        "Decayed Tooth",
        "Unsatisfactory Restoration of Tooth"
      ],
      "interventions": [
        {
          "name": "Celtra Quatro",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 48,
      "start_date": "2020-09-24",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04604301"
    },
    {
      "nct_id": "NCT03064217",
      "title": "Intraoral Imaging at Clinical Crown Lengthening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Caries of Root Surface",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "Making impression at surgery",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2017-05-25",
      "completion_date": "2021-12-30",
      "has_results": true,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03064217"
    },
    {
      "nct_id": "NCT02787850",
      "title": "CoolSculpting in the Abdomen Using Applicator With and Without CCI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Body Fat Disorder"
      ],
      "interventions": [
        {
          "name": "CoolSculpting Treatment",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zeltiq Aesthetics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2016-04-18",
      "completion_date": "2016-08-31",
      "has_results": true,
      "last_update_posted_date": "2021-12-03",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02787850"
    },
    {
      "nct_id": "NCT01383616",
      "title": "Unipedicular vs. Bipedicular Kyphoplasty for the Treatment of Osteoporotic Vertebral Fractures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Vertebral Compression Fracture"
      ],
      "interventions": [
        {
          "name": "Kyphon® Balloon Kyphoplasty (Kyphon Inc; Sunnydale, CA)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "50 Years to 100 Years"
      },
      "enrollment_count": 84,
      "start_date": "2006-07",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-16T11:03:09.209Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01383616"
    }
  ]
}