{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Staining&page=2",
    "query": {
      "condition": "Staining",
      "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=Staining&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T07:23:22.798Z",
  "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": "NCT00537199",
      "title": "OraTest in Combination With Visual Examination and Visual Examination Alone",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Head And Neck Cancer",
        "Oropharynx Cancer"
      ],
      "interventions": [
        {
          "name": "Visual Examination",
          "type": "OTHER"
        },
        {
          "name": "OraTest",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2006-11",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2016-05-13",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00537199"
    },
    {
      "nct_id": "NCT03924219",
      "title": "CMV T Cell Immunity in Pediatric Solid Organ Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Transplant Infection",
        "Kidney Transplant Infection",
        "Liver Transplant Infection",
        "CMV"
      ],
      "interventions": [
        {
          "name": "CMV T cell Immunity Assay",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "0 Years to 17 Years"
      },
      "enrollment_count": 161,
      "start_date": "2019-06-03",
      "completion_date": "2025-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 12,
      "location_summary": "Stanford, California • Atlanta, Georgia • Chicago, Illinois + 9 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03924219"
    },
    {
      "nct_id": "NCT06613347",
      "title": "Clinical Study to Assess the Efficacy of Professional Tooth Whitening Maintenance System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Staining"
      ],
      "interventions": [
        {
          "name": "whitening maintenance",
          "type": "OTHER"
        },
        {
          "name": "whitening maintenance MW",
          "type": "OTHER"
        },
        {
          "name": "negative control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Colgate Palmolive",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 93,
      "start_date": "2024-10-07",
      "completion_date": "2024-12-20",
      "has_results": false,
      "last_update_posted_date": "2025-05-21",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 1,
      "location_summary": "Costa Mesa, California",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06613347"
    },
    {
      "nct_id": "NCT00580736",
      "title": "Optical Clearing of the Skin in Conjunction With Laser Treatments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Port Wine Stain",
        "Nevus of Ota",
        "Tattoos",
        "Scars",
        "Acne",
        "Hypertrichosis",
        "Sebaceous Gland Diseases"
      ],
      "interventions": [
        {
          "name": "Optical Clearing",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2004-03",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2022-10-20",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580736"
    },
    {
      "nct_id": "NCT01924273",
      "title": "Novel Treatment for Port Wine Stain Birthmarks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Port-Wine Stain"
      ],
      "interventions": [
        {
          "name": "Talaporfin sodium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2013-06",
      "completion_date": "2017-07-03",
      "has_results": false,
      "last_update_posted_date": "2022-11-01",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01924273"
    },
    {
      "nct_id": "NCT00875095",
      "title": "Impact of Sperm DNA Integrity on Artificial Reproductive Treatment (ART)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sperm DNA Impact on ART Outcomes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 8,
      "start_date": "2007-10",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2016-09-08",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00875095"
    },
    {
      "nct_id": "NCT03275142",
      "title": "Icare Tonometry Effects on Keratometry Readings, Topography Readings, and Corneal Staining",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Evaluation of Corneal Stability Post-applanation"
      ],
      "interventions": [
        {
          "name": "Icare tonometer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Comprehensive EyeCare of Central Ohio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2017-06-19",
      "completion_date": "2018-07-31",
      "has_results": false,
      "last_update_posted_date": "2019-01-30",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 1,
      "location_summary": "Westerville, Ohio",
      "locations": [
        {
          "city": "Westerville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03275142"
    },
    {
      "nct_id": "NCT01024855",
      "title": "Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Myopia",
        "Hyperopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "RevitaLens OcuTec MPS (Investigational MPS) and Opti-Free RepleniSH MPS (control)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Optics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 30,
      "start_date": "2009-04",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2015-10-20",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 1,
      "location_summary": "Santa Ana, California",
      "locations": [
        {
          "city": "Santa Ana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01024855"
    },
    {
      "nct_id": "NCT07436611",
      "title": "Rapamycin Dose-Ranging Efficacy Study in Port Wine Stains",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Port Wine Stains"
      ],
      "interventions": [
        {
          "name": "Rapamycin cream",
          "type": "DRUG"
        },
        {
          "name": "Pulsed dyed laser",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "AFT Pharmaceuticals, Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "Up to 10 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-08",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 1,
      "location_summary": "Corpus Christi, Texas",
      "locations": [
        {
          "city": "Corpus Christi",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07436611"
    },
    {
      "nct_id": "NCT00388791",
      "title": "Comparison of Systane Free vs. Saline in the Treatment of Dry Eye",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Dry Eye"
      ],
      "interventions": [
        {
          "name": "Systane Free",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Southern California College of Optometry at Marshall B. Ketchum 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": 30,
      "start_date": "2006-10",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2016-01-28",
      "last_synced_at": "2026-07-23T07:23:22.798Z",
      "location_count": 1,
      "location_summary": "Fullerton, California",
      "locations": [
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00388791"
    }
  ]
}