{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vehicle-PDT&page=2",
    "query": {
      "intervention": "Vehicle-PDT",
      "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?intervention=Vehicle-PDT&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T06:49:20.030Z",
  "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": "2026-09-16T06:49:20.030Z",
      "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": "NCT01347879",
      "title": "A Double Blinded, Prospective, Randomized, Vehicle Controlled Multi-center Study of Photodynamic Therapy With Visonac® Cream in Patients With Acne Vulgaris",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Visonac PDT",
          "type": "DRUG"
        },
        {
          "name": "Vehicle cream with PDT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Photocure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "12 Years to 35 Years"
      },
      "enrollment_count": 153,
      "start_date": "2011-05",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2014-01-16",
      "last_synced_at": "2026-09-16T06:49:20.030Z",
      "location_count": 15,
      "location_summary": "Oceanside, California • San Diego, California • Jacksonville, Florida + 12 more",
      "locations": [
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Arlington Heights",
          "state": "Illinois"
        },
        {
          "city": "Naperville",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01347879"
    },
    {
      "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": "2026-09-16T06:49:20.030Z",
      "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": "NCT07144852",
      "title": "Study of Reformulated Levulan Kerastick Plus PDT for Actinic Keratosis on Upper Extremities",
      "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",
          "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": 260,
      "start_date": "2025-11-29",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-16T06:49:20.030Z",
      "location_count": 20,
      "location_summary": "Phoenix, Arizona • Fremont, California • Castle Rock, Colorado + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Castle Rock",
          "state": "Colorado"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "North Miami Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07144852"
    },
    {
      "nct_id": "NCT01830764",
      "title": "Open-label Safety and Tolerability Study of LTS-PDT in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Red Light (PDT)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dermira, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2013-04",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2021-07-20",
      "last_synced_at": "2026-09-16T06:49:20.030Z",
      "location_count": 1,
      "location_summary": "Paramus, New Jersey",
      "locations": [
        {
          "city": "Paramus",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01830764"
    },
    {
      "nct_id": "NCT01682811",
      "title": "Phase I Photodynamic Therapy (PDT) for Benign Dermal Neurofibromas (NF1)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neurofibromatoses"
      ],
      "interventions": [
        {
          "name": "Part 1 Levulan injection",
          "type": "DRUG"
        },
        {
          "name": "Part 1 Levulan surface application",
          "type": "DRUG"
        },
        {
          "name": "Part 1 Levulan surface application twice",
          "type": "DRUG"
        },
        {
          "name": "Part 1 Levulan surface application twice with microneedling",
          "type": "DRUG"
        },
        {
          "name": "Levulan (5-aminolevulinic acid) photodynamic therapy - Dose level 1",
          "type": "DRUG"
        },
        {
          "name": "Levulan (5-aminolevulinic acid) photodynamic therapy - Dose level 2",
          "type": "DRUG"
        },
        {
          "name": "Levulan (5-aminolevulinic acid) photodynamic therapy - Dose level 3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Harry T Whelan, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 20,
      "start_date": "2012-03-12",
      "completion_date": "2016-07-07",
      "has_results": true,
      "last_update_posted_date": "2021-06-18",
      "last_synced_at": "2026-09-16T06:49:20.030Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01682811"
    },
    {
      "nct_id": "NCT00673933",
      "title": "Photodynamic Therapy (PDT) With Methyl Aminolevulinate (MAL) Cream in Patients With Skin Type V or IV With Acne Vulgaris",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Methyl aminolevulinate (MAL) PDT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Photocure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "15 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2008-05",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2013-07-12",
      "last_synced_at": "2026-09-16T06:49:20.030Z",
      "location_count": 2,
      "location_summary": "Naperville, Illinois • Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Naperville",
          "state": "Illinois"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00673933"
    },
    {
      "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": "2026-09-16T06:49:20.030Z",
      "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": "2026-09-16T06:49:20.030Z",
      "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": "NCT02209012",
      "title": "Twelve Month Follow-Up of CP0108",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Actinic Keratosis"
      ],
      "interventions": [
        {
          "name": "Aminolevulinic Acid (ALA)",
          "type": "DRUG"
        },
        {
          "name": "Topical Solution Vehicle",
          "type": "DRUG"
        },
        {
          "name": "BLU-U Blue Light Photodynamic Therapy Illuminator",
          "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": 206,
      "start_date": "2014-08",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-09-23",
      "last_synced_at": "2026-09-16T06:49:20.030Z",
      "location_count": 13,
      "location_summary": "Fremont, California • San Diego, California • Aventura, Florida + 10 more",
      "locations": [
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Brandon",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02209012"
    }
  ]
}