{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HPPH",
    "query": {
      "intervention": "HPPH"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HPPH&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T13:53:10.694Z",
  "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": "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": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00017485"
    },
    {
      "nct_id": "NCT01140178",
      "title": "A Trial of Photodynamic Therapy With HPPH for Treatment of Dysplasia, Carcinoma in Situ and T1 Carcinoma of the Oral Cavity and/or Oropharynx",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dysplasia",
        "Carcinoma of the Oral Cavity",
        "Carcinoma of the Oropharynx"
      ],
      "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": 29,
      "start_date": "2010-06-08",
      "completion_date": "2018-10-01",
      "has_results": false,
      "last_update_posted_date": "2018-10-16",
      "last_synced_at": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01140178"
    },
    {
      "nct_id": "NCT01238042",
      "title": "Study To Determine The Maximum Range of Light Doses At Two HPPH Doses With Acceptable Normal Tissue Toxicity For PDT Treatment Of High Grade Dysplasia,CIS or Early Adenocarcinoma In Barrett's Esophagus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Barrett's Esophagus",
        "CIS",
        "HGD"
      ],
      "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": 18,
      "start_date": "2003-03",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2014-12-02",
      "last_synced_at": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01238042"
    },
    {
      "nct_id": "NCT00060268",
      "title": "Photodynamic Therapy Using HPPH in Treating Patients With Obstructive Esophageal Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Esophageal 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": 11,
      "start_date": "1997-01",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2011-03-09",
      "last_synced_at": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00060268"
    },
    {
      "nct_id": "NCT00526461",
      "title": "Photodynamic Therapy Using HPPH in Treating Patients With Stage 0 Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung 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": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 17,
      "start_date": "2004-02",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00526461"
    },
    {
      "nct_id": "NCT02119728",
      "title": "Photodynamic Therapy With HPPH in Treating Patients With Squamous Cell Carcinoma of the Oral Cavity",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Recurrent Squamous Cell Carcinoma of the Oropharynx",
        "Recurrent Verrucous Carcinoma of the Oral Cavity",
        "Stage I Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage I Squamous Cell Carcinoma of the Oropharynx",
        "Stage I Verrucous Carcinoma of the Oral Cavity",
        "Stage II Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage II Squamous Cell Carcinoma of the Oropharynx",
        "Stage II Verrucous Carcinoma of the Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage III Verrucous Carcinoma of the Oral Cavity",
        "Stage IVA Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVA Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVA Verrucous Carcinoma of the Oral Cavity",
        "Stage IVB Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVB Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVB Verrucous Carcinoma of the Oral Cavity",
        "Stage IVC Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVC Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVC Verrucous Carcinoma of the Oral Cavity"
      ],
      "interventions": [
        {
          "name": "HPPH",
          "type": "DRUG"
        },
        {
          "name": "Light Infusion Therapy™",
          "type": "DEVICE"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "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": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-04-21",
      "last_synced_at": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02119728"
    },
    {
      "nct_id": "NCT01668823",
      "title": "Photodynamic Therapy in Treating Patients With Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adenocarcinoma of the Lung",
        "Large Cell Lung Cancer",
        "Recurrent Non-small Cell Lung Cancer",
        "Squamous Cell Lung Cancer",
        "Stage 0 Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "HPPH",
          "type": "DRUG"
        },
        {
          "name": "photodynamic therapy",
          "type": "DRUG"
        },
        {
          "name": "therapeutic bronchoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "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": 17,
      "start_date": "2004-02",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-07-31",
      "last_synced_at": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01668823"
    },
    {
      "nct_id": "NCT00670397",
      "title": "Photodynamic Therapy Using HPPH in Treating Patients With Recurrent Dysplasia, Carcinoma in Situ, or Stage I Oral Cavity Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck 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": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 11,
      "start_date": "2010-06",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2016-03-16",
      "last_synced_at": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00670397"
    },
    {
      "nct_id": "NCT01673074",
      "title": "HPPH and PDT for Pleural Malignancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pleural Malignancy"
      ],
      "interventions": [
        {
          "name": "(PDT) Photodynamic therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2007-11",
      "completion_date": "2014-10-08",
      "has_results": false,
      "last_update_posted_date": "2020-04-08",
      "last_synced_at": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01673074"
    },
    {
      "nct_id": "NCT00675233",
      "title": "Photodynamic Therapy Using HPPH in Treating Patients With Dysplasia, Cancer in Situ, or Invasive Cancer of the Larynx",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "HPPH",
          "type": "DRUG"
        },
        {
          "name": "laser therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "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": 29,
      "start_date": "2008-04-25",
      "completion_date": "2018-09-27",
      "has_results": false,
      "last_update_posted_date": "2018-10-17",
      "last_synced_at": "2026-09-03T13:53:10.694Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00675233"
    }
  ]
}