{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dihematoporphyrin+derivative",
    "query": {
      "intervention": "Dihematoporphyrin derivative"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dihematoporphyrin+derivative&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-20T20:31:03.359Z",
  "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": "NCT00004430",
      "title": "Randomized Study of Photodynamic Therapy Using Dihematoporphyrin in Patients With Corneal Neovascularization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Corneal Neovascularization"
      ],
      "interventions": [
        {
          "name": "Dihematoporphyrin derivative",
          "type": "DRUG"
        },
        {
          "name": "prednisolone",
          "type": "DRUG"
        },
        {
          "name": "Laser surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Medical College of Hampton Roads",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "1994-09",
      "completion_date": "1998-09",
      "has_results": false,
      "last_update_posted_date": "2015-03-25",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004430"
    },
    {
      "nct_id": "NCT01682746",
      "title": "Photodynamic Therapy (PDT) for Recurrent Pediatric Brain Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain Tumor, Recurrent"
      ],
      "interventions": [
        {
          "name": "Photofrin (porfimer sodium) & photodynamic therapy.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Harry T Whelan, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Months to 18 Years"
      },
      "enrollment_count": 5,
      "start_date": "2013-03",
      "completion_date": "2018-06-29",
      "has_results": false,
      "last_update_posted_date": "2019-02-25",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 1,
      "location_summary": "Wauwatosa, Wisconsin",
      "locations": [
        {
          "city": "Wauwatosa",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01682746"
    },
    {
      "nct_id": "NCT00601848",
      "title": "Photodynamic Therapy in Treating Patients With Resectable Non-Small Cell Lung Cancer That Has Spread to the Pleura",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer",
        "Metastatic Cancer"
      ],
      "interventions": [
        {
          "name": "chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "porfimer sodium",
          "type": "DRUG"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "spectroscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 9,
      "start_date": "2004-11",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2020-11-24",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00601848"
    },
    {
      "nct_id": "NCT00002935",
      "title": "Photodynamic Therapy in Treating Patients With Early Esophageal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer"
      ],
      "interventions": [
        {
          "name": "porfimer sodium",
          "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": 30,
      "start_date": "1995-10",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2011-12-23",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002935"
    },
    {
      "nct_id": "NCT00754910",
      "title": "Photodynamic Therapy Using Porfimer Sodium in Treating Patients With Non-Small Cell Lung Cancer And Bronchial Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "porfimer sodium",
          "type": "DRUG"
        },
        {
          "name": "bronchoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University Comprehensive 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": 35,
      "start_date": "2008-12",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2018-07-05",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00754910"
    },
    {
      "nct_id": "NCT01770132",
      "title": "Ultrasound-Guided Photodynamic Therapy With Photofrin & Gemcitabine for Patients With Locally Advanced Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acinar Cell Adenocarcinoma of the Pancreas",
        "Duct Cell Adenocarcinoma of the Pancreas",
        "Stage III Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "porfimer sodium",
          "type": "DRUG"
        },
        {
          "name": "endoscopic ultrasonography",
          "type": "PROCEDURE"
        },
        {
          "name": "photodynamic therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "John DeWitt",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 12,
      "start_date": "2013-04-19",
      "completion_date": "2018-10-28",
      "has_results": false,
      "last_update_posted_date": "2018-12-13",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01770132"
    },
    {
      "nct_id": "NCT00253617",
      "title": "Stent Placement With or Without Photodynamic Therapy Using Porfimer Sodium as Palliative Treatment in Treating Patients With Stage III or Stage IV Cholangiocarcinoma That Cannot Be Removed By Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cholangiocarcinoma of the Extrahepatic Bile Duct",
        "Cholangiocarcinoma of the Gallbladder",
        "Unresectable Extrahepatic Bile Duct Cancer",
        "Unresectable Gallbladder Cancer",
        "Recurrent Extrahepatic Bile Duct Cancer",
        "Recurrent Gallbladder Cancer"
      ],
      "interventions": [
        {
          "name": "porfimer sodium",
          "type": "DRUG"
        },
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "laser therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "photodynamic therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "phototherapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Jonsson Comprehensive 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": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-04-04",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00253617"
    },
    {
      "nct_id": "NCT00003788",
      "title": "Surgery, Radiation Therapy, and Chemotherapy With or Without Photodynamic Therapy in Treating Patients With Newly Diagnosed or Recurrent Malignant Supratentorial Gliomas",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "carmustine",
          "type": "DRUG"
        },
        {
          "name": "lomustine",
          "type": "DRUG"
        },
        {
          "name": "porfimer sodium",
          "type": "DRUG"
        },
        {
          "name": "procarbazine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "neoadjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "surgical procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Colorado Health Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 270,
      "start_date": "1998-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-11-06",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 3,
      "location_summary": "Englewood, Colorado • Buffalo, New York • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003788"
    },
    {
      "nct_id": "NCT00530088",
      "title": "Photodynamic Therapy Using Porfimer Sodium in Treating Patients With Recurrent Mouth or Throat Dysplasia or Recurrent In Situ Cancer or Stage I Cancer of the Mouth or Throat",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "porfimer sodium",
          "type": "DRUG"
        },
        {
          "name": "Photdynamic Therapy (PDT)",
          "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": 30,
      "start_date": "2001-10",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2014-07-04",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00530088"
    },
    {
      "nct_id": "NCT00118222",
      "title": "High Light and Low Light Dose PDT in Glioma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "porfimer sodium",
          "type": "DRUG"
        },
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive 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": 1,
      "start_date": "2005-03",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2010-06-11",
      "last_synced_at": "2026-09-20T20:31:03.359Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00118222"
    }
  ]
}