{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blank+Patch",
    "query": {
      "intervention": "Blank Patch"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T19:52:56.630Z",
  "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": "NCT04882631",
      "title": "A Study to Evaluate the Skin Irritation Potential of PBI-100 Topical Cream in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "PBI-100 Topical Cream",
          "type": "DRUG"
        },
        {
          "name": "Positive Control - Sodium laurel sulfate (SLS)",
          "type": "DRUG"
        },
        {
          "name": "PBI-100 Topical Cream, Vehicle",
          "type": "OTHER"
        },
        {
          "name": "Negative Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Pyramid Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-04-12",
      "completion_date": "2021-05-03",
      "has_results": false,
      "last_update_posted_date": "2022-01-27",
      "last_synced_at": "2026-09-11T19:52:56.630Z",
      "location_count": 1,
      "location_summary": "Newtown Square, Pennsylvania",
      "locations": [
        {
          "city": "Newtown Square",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04882631"
    },
    {
      "nct_id": "NCT01115322",
      "title": "A Study to Evaluate the Potential of Tazarotene Foam to Cause a Reaction When Applied to the Skin and Exposed to Light on Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Tazarotene Foam without irradiation",
          "type": "DRUG"
        },
        {
          "name": "Tazarotene Foam with UVA and UVB irradiation",
          "type": "DRUG"
        },
        {
          "name": "Tazarotene Foam with UVA, UVB, and visible light",
          "type": "DRUG"
        },
        {
          "name": "Vehicle Foam without irradiation",
          "type": "DRUG"
        },
        {
          "name": "Vehicle Foam with UVA and UVB irradiation",
          "type": "DRUG"
        },
        {
          "name": "Vehicle Foam with UVA and UVB and visible light irradiation",
          "type": "DRUG"
        },
        {
          "name": "No Treatment without irradiation",
          "type": "DRUG"
        },
        {
          "name": "No Treatment with UVA and UVB irradiation",
          "type": "DRUG"
        },
        {
          "name": "No Treatment with UVA and UVB and visible light irradiation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stiefel, a GSK Company",
      "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": 38,
      "start_date": "2010-04-01",
      "completion_date": "2010-04-10",
      "has_results": false,
      "last_update_posted_date": "2017-06-20",
      "last_synced_at": "2026-09-11T19:52:56.630Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01115322"
    },
    {
      "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": "2026-09-11T19:52:56.630Z",
      "location_count": 1,
      "location_summary": "Fairfield, New Jersey",
      "locations": [
        {
          "city": "Fairfield",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04531813"
    },
    {
      "nct_id": "NCT00591331",
      "title": "Phototoxicity Potential of NatrOVA Creme Rinse - 1%",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head Lice"
      ],
      "interventions": [
        {
          "name": "Spinosad (the active ingredient in NatrOVA)",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ParaPRO LLC",
      "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": 37,
      "start_date": "2007-12",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2008-05-20",
      "last_synced_at": "2026-09-11T19:52:56.630Z",
      "location_count": 1,
      "location_summary": "St. Petersburg, Florida",
      "locations": [
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00591331"
    },
    {
      "nct_id": "NCT00605956",
      "title": "NatrOVA Photoallergy Study - NatrOVA Creme Rinse in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head Lice"
      ],
      "interventions": [
        {
          "name": "NatrOVA Creme Rinse - 1%",
          "type": "DRUG"
        },
        {
          "name": "NatrOVA Creme Rinse Vehicle Only",
          "type": "DRUG"
        },
        {
          "name": "Blank Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ParaPRO LLC",
      "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": 65,
      "start_date": "2008-01",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2008-08-04",
      "last_synced_at": "2026-09-11T19:52:56.630Z",
      "location_count": 1,
      "location_summary": "St. Petersburg, Florida",
      "locations": [
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00605956"
    },
    {
      "nct_id": "NCT01119651",
      "title": "A Study to Evaluate the Potential of Tazarotene Foam to Cause an Allergic Reaction When Applied to the Skin and Exposed to Light on Healthy Volunteers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Tazarotene (Patch application in Challenge Phase)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stiefel, a GSK Company",
      "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": 59,
      "start_date": "2010-06-14",
      "completion_date": "2010-06-26",
      "has_results": false,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-09-11T19:52:56.630Z",
      "location_count": 1,
      "location_summary": "St. Petersburg, Florida",
      "locations": [
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01119651"
    },
    {
      "nct_id": "NCT03886987",
      "title": "Skin Sensitization Test (Modified Draize-95 Test)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skin Sensitisation"
      ],
      "interventions": [
        {
          "name": "Blue Non Sterile Powder Free Nitrile Examination Gloves",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Central Medicare Sdn. Bhd.",
      "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": 245,
      "start_date": "2018-04-02",
      "completion_date": "2018-06-08",
      "has_results": false,
      "last_update_posted_date": "2019-03-22",
      "last_synced_at": "2026-09-11T19:52:56.630Z",
      "location_count": 1,
      "location_summary": "Fairfield, New Jersey",
      "locations": [
        {
          "city": "Fairfield",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03886987"
    },
    {
      "nct_id": "NCT05251337",
      "title": "Use of Aromatherapy to Reduce Symptom Burden",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anxiety",
        "Chemotherapy-induced Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "Essential oils",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 92,
      "start_date": "2022-03-07",
      "completion_date": "2023-06-22",
      "has_results": true,
      "last_update_posted_date": "2024-05-16",
      "last_synced_at": "2026-09-11T19:52:56.630Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05251337"
    }
  ]
}