{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PDT",
    "query": {
      "intervention": "PDT"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 269,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PDT&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T20:54:18.207Z",
  "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": "NCT00933543",
      "title": "Efficacy and Safety Study With Visonac Photodynamic Therapy (PDT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Visonac PDT (MAL PDT)",
          "type": "DRUG"
        },
        {
          "name": "Vehicle cream (placebo)",
          "type": "DRUG"
        },
        {
          "name": "PDT",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Photocure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "9 Years to 35 Years"
      },
      "enrollment_count": 107,
      "start_date": "2009-08",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2013-12-11",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 8,
      "location_summary": "San Diego, California • Chicago, Illinois • Naperville, Illinois + 5 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Naperville",
          "state": "Illinois"
        },
        {
          "city": "Fridley",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00933543"
    },
    {
      "nct_id": "NCT05363826",
      "title": "Intracavitary Photodynamic Therapy as an Adjuvant to Resection of Glioblastoma or Gliosarcoma Using IV Photobac®",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glioblastoma Multiforme of Brain",
        "Glioma, Sarcomatous"
      ],
      "interventions": [
        {
          "name": "photochemotherapy using 3-(1-Butyloxy)ethyl-3-deacetyl-bacteriopurpurin-18-n-butylimide methyl ester(Photobac®)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Photolitec LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2023-04-11",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2023-04-13",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05363826"
    },
    {
      "nct_id": "NCT00473642",
      "title": "Reduced Fluence Photodynamic Therapy (PDT) With Visudyne in Combination With Lucentis for Age-Related Macular Degeneration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Age-Related Maculopathy",
        "Choroidal Neovascularization"
      ],
      "interventions": [
        {
          "name": "Ranibizumab",
          "type": "DRUG"
        },
        {
          "name": "Verteporfin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oklahoma State University Center for Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2007-05",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00473642"
    },
    {
      "nct_id": "NCT03133650",
      "title": "A Trial of a New Type of Photodynamic Therapy (VTP) in the Treatment of Patients With Cancer of the Esophagus Who Have Trouble Swallowing",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Esophagogastric Cancer",
        "Moderate to Severe Dysphagia"
      ],
      "interventions": [
        {
          "name": "WST 11-mediated VTP therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2017-04-26",
      "completion_date": "2027-02-23",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03133650"
    },
    {
      "nct_id": "NCT00017485",
      "title": "Photodynamic Therapy in Treating Patients With Basal Cell Skin Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-melanomatous Skin Cancer"
      ],
      "interventions": [
        {
          "name": "HPPH",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2000-01",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2011-03-07",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00017485"
    },
    {
      "nct_id": "NCT01439685",
      "title": "Comparison of Biliary Stenting Alone vs. Stenting With Photodynamic Therapy (PDT) During ERCP",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cholangiocarcinoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2011-07",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2015-06-03",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01439685"
    },
    {
      "nct_id": "NCT02457026",
      "title": "Adjunctive Photodynamic Therapy + Aflibercept vs. Afilbercept Alone for PDA in NV AMD",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neovascular Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Aflibercept",
          "type": "DRUG"
        },
        {
          "name": "Triamcinolone Acetonide",
          "type": "DRUG"
        },
        {
          "name": "Verteporfin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2016-01",
      "completion_date": "2018-01",
      "has_results": false,
      "last_update_posted_date": "2017-07-26",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02457026"
    },
    {
      "nct_id": "NCT01203878",
      "title": "Treatment of Actinic Keratoses of the Face With Imiquimod 3.75% Cream Followed by Photodynamic Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Actinic Keratosis"
      ],
      "interventions": [
        {
          "name": "Photodynamic therapy",
          "type": "DRUG"
        },
        {
          "name": "Imiquimod",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tennessee Clinical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2010-09",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2014-12-08",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 3,
      "location_summary": "Englewood, Colorado • Charlotte, North Carolina • Nashville, Tennessee",
      "locations": [
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01203878"
    },
    {
      "nct_id": "NCT01053000",
      "title": "Photodynamic Therapy With Levulan® +/- Topical Retinoid Pre-Treatment In The Treatment Of Actinic Keratoses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ACTINIC KERATOSES"
      ],
      "interventions": [
        {
          "name": "Tazorac",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stewart, Roger H., M.D., P.A.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2010-01",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2015-08-11",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01053000"
    },
    {
      "nct_id": "NCT06067984",
      "title": "An Extension Study of a Second Course of a Digital Therapeutic for the Treatment of Experiential Negative Symptoms of Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia",
        "Negative Symptoms in Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Study App",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Click Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2023-09-12",
      "completion_date": "2025-08-22",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-03T20:54:18.207Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06067984"
    }
  ]
}