{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vehicle+%28VEH%29",
    "query": {
      "intervention": "Vehicle (VEH)"
    },
    "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": "2026-09-14T07:56:33.292Z",
  "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": "NCT01475955",
      "title": "Short-incubation Levulan Photodynamic Therapy Versus Vehicle for Face/Scalp Actinic Keratosis (AK)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Actinic Keratosis"
      ],
      "interventions": [
        {
          "name": "Broad Area ALA 1-hour incubation",
          "type": "DRUG"
        },
        {
          "name": "Broad Area ALA 2 hour incubation",
          "type": "DRUG"
        },
        {
          "name": "broad area ALA 3-hour incubation",
          "type": "DRUG"
        },
        {
          "name": "Spot ALA 2 hour incubation",
          "type": "DRUG"
        },
        {
          "name": "Vehicle PDT",
          "type": "DRUG"
        },
        {
          "name": "Blue Light Treatment",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "DUSA Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 235,
      "start_date": "2011-12",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2016-10-28",
      "last_synced_at": "2026-09-14T07:56:33.292Z",
      "location_count": 13,
      "location_summary": "La Jolla, California • Los Angeles, California • San Diego, California + 10 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Arlington Heights",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01475955"
    },
    {
      "nct_id": "NCT00706433",
      "title": "Light Dose Ranging Study of Photodynamic Therapy (PDT) With Levulan + Blue Light Versus Vehicle + Blue Light in Severe Facial Acne",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "aminolevulinic acid HCL (ALA)",
          "type": "DRUG"
        },
        {
          "name": "Vehicle (VEH)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "DUSA Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 266,
      "start_date": "2007-03",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2011-10-24",
      "last_synced_at": "2026-09-14T07:56:33.292Z",
      "location_count": 14,
      "location_summary": "Hot Springs, Arkansas • San Diego, California • Denver, Colorado + 11 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Snellville",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00706433"
    },
    {
      "nct_id": "NCT02239679",
      "title": "Controlled Study of the Occurrence of Actinic Keratosis on the Face After Cryotherapy + Aminolevulinic Acid (ALA) Photodynamic Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Actinic Keratosis"
      ],
      "interventions": [
        {
          "name": "Aminolevulinic Acid",
          "type": "DRUG"
        },
        {
          "name": "Topical Solution Vehicle",
          "type": "DRUG"
        },
        {
          "name": "BLU-U",
          "type": "DEVICE"
        },
        {
          "name": "Cryotherapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "DUSA Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 166,
      "start_date": "2014-09",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2018-08-24",
      "last_synced_at": "2026-09-14T07:56:33.292Z",
      "location_count": 8,
      "location_summary": "San Diego, California • Arlington Heights, Illinois • Carmel, Indiana + 4 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Arlington Heights",
          "state": "Illinois"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02239679"
    },
    {
      "nct_id": "NCT01458587",
      "title": "Levulan PDT Versus Vehicle for Extremity Actinic Keratoses (AK)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Keratosis, Actinic"
      ],
      "interventions": [
        {
          "name": "Aminolevulinic Acid PDT (ALA)",
          "type": "DRUG"
        },
        {
          "name": "Vehicle PDT (VEH)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "DUSA Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2011-11",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2013-03-14",
      "last_synced_at": "2026-09-14T07:56:33.292Z",
      "location_count": 3,
      "location_summary": "San Diego, California • Orange Park, Florida • Austin, Texas",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Orange Park",
          "state": "Florida"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01458587"
    },
    {
      "nct_id": "NCT00865878",
      "title": "ALA-PDT Versus Vehicle PDT for Treatment of AK and Reduction of New NMSC in Solid Organ Transplant Recipients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Actinic Keratoses",
        "Skin Neoplasms"
      ],
      "interventions": [
        {
          "name": "Aminolevulinic Acid",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "DUSA Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2009-05",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2011-10-21",
      "last_synced_at": "2026-09-14T07:56:33.292Z",
      "location_count": 7,
      "location_summary": "Irvine, California • San Francisco, California • Miami, Florida + 4 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00865878"
    },
    {
      "nct_id": "NCT07144345",
      "title": "Study of Reformulated Levulan Kerastick Plus PDT for Actinic Keratosis on Face and Scalp",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Actinic Keratosis"
      ],
      "interventions": [
        {
          "name": "Reformulated Levulan Kerastick containing aminolevulinic acid hydrochloride (ALA HCl), 20%",
          "type": "DRUG"
        },
        {
          "name": "Vehicle containing excipients only (VEH) without active ingredient",
          "type": "OTHER"
        },
        {
          "name": "Blue Light Photodynamic Therapy Illuminator device, BLU-U® model 4170E",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Sun Pharmaceutical Industries, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 160,
      "start_date": "2025-11-19",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-14T07:56:33.292Z",
      "location_count": 10,
      "location_summary": "Fremont, California • Aventura, Florida • Rolling Meadows, Illinois + 7 more",
      "locations": [
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Rolling Meadows",
          "state": "Illinois"
        },
        {
          "city": "Plainfield",
          "state": "Indiana"
        },
        {
          "city": "New Brighton",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07144345"
    },
    {
      "nct_id": "NCT03024060",
      "title": "Phase 3 Study of Levulan With New Blue Light for AK on the Face or Scalp",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Actinic Keratosis"
      ],
      "interventions": [
        {
          "name": "ALA",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        },
        {
          "name": "IBL 20 mW",
          "type": "DEVICE"
        },
        {
          "name": "IBL 10 mW",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "DUSA Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2017-03",
      "completion_date": "2018-01",
      "has_results": false,
      "last_update_posted_date": "2017-11-07",
      "last_synced_at": "2026-09-14T07:56:33.292Z",
      "location_count": 7,
      "location_summary": "San Diego, California • Arlington Heights, Illinois • Carmel, Indiana + 4 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Arlington Heights",
          "state": "Illinois"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        },
        {
          "city": "Plainfield",
          "state": "Indiana"
        },
        {
          "city": "Fridley",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03024060"
    },
    {
      "nct_id": "NCT02632110",
      "title": "Microneedle Lesion Preparation Prior to Aminolevulinic Acid Photodynamic Therapy (ALA-PDT) for AK on Face",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Actinic Keratosis"
      ],
      "interventions": [
        {
          "name": "ALA",
          "type": "DRUG"
        },
        {
          "name": "Topical Solution Vehicle",
          "type": "DRUG"
        },
        {
          "name": "IBL 10 mW",
          "type": "DEVICE"
        },
        {
          "name": "Microneedle lesion preparation",
          "type": "PROCEDURE"
        },
        {
          "name": "IBL 20 mW",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "DUSA Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 137,
      "start_date": "2016-03",
      "completion_date": "2016-09-12",
      "has_results": true,
      "last_update_posted_date": "2018-01-18",
      "last_synced_at": "2026-09-14T07:56:33.292Z",
      "location_count": 8,
      "location_summary": "San Diego, California • Brandon, Florida • Arlington Heights, Illinois + 4 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Brandon",
          "state": "Florida"
        },
        {
          "city": "Arlington Heights",
          "state": "Illinois"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02632110"
    }
  ]
}