{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patch+Testing&page=6",
    "query": {
      "intervention": "Patch Testing",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 332,
    "total_pages": 34,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patch+Testing&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patch+Testing&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T20:17:54.824Z",
  "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": "NCT04339374",
      "title": "Ultrasound and Photoacoustic Imaging for Enhanced Differential Diagnosis of Rectal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rectal Cancer",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Photoacoustic imaging, photoacoustic microscopy",
          "type": "DEVICE"
        },
        {
          "name": "Endorectal photoacoustic imaging probe",
          "type": "DEVICE"
        },
        {
          "name": "Reader Performance",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2023-05-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04339374"
    },
    {
      "nct_id": "NCT06763536",
      "title": "Oral Nicotine Pouches Versus Nicotine Replacement Therapy to Reduce Cigarette Use for Smokers in Rural Appalachia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Carbon Monoxide Measurement",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Lozenge",
          "type": "OTHER"
        },
        {
          "name": "Oral Nicotine Pouch",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Patch",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Check-in Phone Calls",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2025-06-13",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06763536"
    },
    {
      "nct_id": "NCT03973229",
      "title": "Neuroendocrine Risk for PTSD in Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "PTSD",
        "Trauma"
      ],
      "interventions": [
        {
          "name": "Estradiol patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo patch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 127,
      "start_date": "2019-11-11",
      "completion_date": "2025-04-30",
      "has_results": true,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03973229"
    },
    {
      "nct_id": "NCT04531813",
      "title": "Study to Determine Skin Irritation Potential of an Antifungal Cream Containing Trolamine After Repeated Skin Application (Cumulative Irritation Patch Test)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Butenafine HCl 1% (BAY1896425)",
          "type": "DRUG"
        },
        {
          "name": "Positive Control-Sodium lauryl sulfate (SLS)",
          "type": "DRUG"
        },
        {
          "name": "Negative Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 32,
      "start_date": "2013-06-10",
      "completion_date": "2013-07-01",
      "has_results": true,
      "last_update_posted_date": "2020-09-25",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 1,
      "location_summary": "Fairfield, New Jersey",
      "locations": [
        {
          "city": "Fairfield",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04531813"
    },
    {
      "nct_id": "NCT04112368",
      "title": "Cyclical Neuroactive Steroid Changes, Arousal, and Proximal Suicide Risk: An Experimental Approach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Estradiol Transdermal Patch 0.1 mg/24 hrs",
          "type": "DRUG"
        },
        {
          "name": "Oral Micronized Progesterone 200mg",
          "type": "DRUG"
        },
        {
          "name": "Inactive Clear Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 124,
      "start_date": "2020-09-15",
      "completion_date": "2024-08-01",
      "has_results": true,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112368"
    },
    {
      "nct_id": "NCT03498313",
      "title": "Unique Effects of Perimenstrual Estradiol or Progesterone Supplementation on Perimenstrual Suicidality",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Transdermal Estradiol + Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oral Micronized Progesterone + Placebo",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2018-07-27",
      "completion_date": "2021-05-09",
      "has_results": true,
      "last_update_posted_date": "2022-09-14",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03498313"
    },
    {
      "nct_id": "NCT01587573",
      "title": "Developing an In-vitro Diagnostic Risk-Stratification Test for Oral Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oral Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "saliva collection prior to clinically driven oral biopsy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "PeriRx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 370,
      "start_date": "2012-04",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2018-04-12",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 5,
      "location_summary": "Chicago, Illinois • Ann Arbor, Michigan • East Lansing, Michigan + 2 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "East Lansing",
          "state": "Michigan"
        },
        {
          "city": "Warren",
          "state": "Michigan"
        },
        {
          "city": "Wynnewood",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01587573"
    },
    {
      "nct_id": "NCT06264882",
      "title": "Cardiometabolic Consequences of the Loss of Ovarian Function",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menopause",
        "Estrogen Deficiency",
        "Aging",
        "Adiposity"
      ],
      "interventions": [
        {
          "name": "Degarelix",
          "type": "DRUG"
        },
        {
          "name": "Transdermal Estradiol Patch",
          "type": "DRUG"
        },
        {
          "name": "Transdermal Placebo Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 45 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2024-06-01",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-20",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06264882"
    },
    {
      "nct_id": "NCT04531540",
      "title": "Study to Determine Skin Irritation and/or Sensitization Potential of an Antifungal Cream Containing Trolamine (Repeated Insult Patch Test)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Butenafine HCl 1% (BAY1896425)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 225,
      "start_date": "2013-09-09",
      "completion_date": "2013-10-18",
      "has_results": true,
      "last_update_posted_date": "2020-11-17",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 1,
      "location_summary": "Fairfield, New Jersey",
      "locations": [
        {
          "city": "Fairfield",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04531540"
    },
    {
      "nct_id": "NCT01892410",
      "title": "Patch Test Skin Irritation/Sensitization of Cetaphil Restoraderm Skin Restoring Body Wash",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skin Irritation"
      ],
      "interventions": [
        {
          "name": "Cetaphil Restoraderm Skin Restoring Body Wash",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Galderma R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2012-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2022-07-29",
      "last_synced_at": "2026-10-19T20:17:54.824Z",
      "location_count": 1,
      "location_summary": "New City, New York",
      "locations": [
        {
          "city": "New City",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01892410"
    }
  ]
}