{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=55+Gy+Radiation+Therapy",
    "query": {
      "intervention": "55 Gy Radiation Therapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=55+Gy+Radiation+Therapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T18:28:47.591Z",
  "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": "NCT02707328",
      "title": "Study To Establish Maximum Tolerated Dose (MTD) of Cyberknife in Patients With Un-Resectable Pancreas Cancer (TL002)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreas Cancer",
        "Pancreatic Cancer",
        "Adenocarcinoma of the Pancreas",
        "Pancreas Adenocarcinoma",
        "Pancreatic Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "nab-paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "CyberKnife",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "The Cooper Health System",
      "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": "2015-01",
      "completion_date": "2017-11-10",
      "has_results": false,
      "last_update_posted_date": "2019-07-30",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 1,
      "location_summary": "Camden, New Jersey",
      "locations": [
        {
          "city": "Camden",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02707328"
    },
    {
      "nct_id": "NCT04658862",
      "title": "A Study of TAR-200 in Combination With Cetrelimab Versus Concurrent Chemoradiotherapy in Participants With Muscle-invasive Bladder Cancer (MIBC) of the Bladder",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urinary Bladder Neoplasms"
      ],
      "interventions": [
        {
          "name": "Cetrelimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TAR-200",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Conventional radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Hypo-fractioned radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 518,
      "start_date": "2020-12-07",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 28,
      "location_summary": "Loma Linda, California • Los Angeles, California • Santa Monica, California + 25 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04658862"
    },
    {
      "nct_id": "NCT03321747",
      "title": "Five Fraction SABR Dose Escalation for Early Stage Squamous Cell Carcinoma of the Lung",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Stereotactic Ablative Body Radiation (SABR)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2017-10-20",
      "completion_date": "2020-07-09",
      "has_results": false,
      "last_update_posted_date": "2022-07-26",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 3,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03321747"
    },
    {
      "nct_id": "NCT01627288",
      "title": "Integrated Dose Escalation for Advanced, Localized Gynecologic Cancer (The IDEAL - GYN Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer of the Cervix",
        "Cervical Neoplasms"
      ],
      "interventions": [
        {
          "name": "Boost radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2012-06-04",
      "completion_date": "2019-11-16",
      "has_results": true,
      "last_update_posted_date": "2021-02-08",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01627288"
    },
    {
      "nct_id": "NCT05785845",
      "title": "Computed Tomography-Guided Stereotactic Adaptive Radiotherapy (CT-STAR) for the Treatment of Central and Ultra-Central Early-Stage Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Early Stage Non-small Cell Lung Cancer",
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Computed tomography-guided stereotactic adaptive radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "ETHOS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": "2023-04-10",
      "completion_date": "2026-06-02",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05785845"
    },
    {
      "nct_id": "NCT03043807",
      "title": "A Study of Definitive Therapy to Treat Prostate Cancer After Prostatectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Leuprolide Acetate",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Bicalutamide",
          "type": "DRUG"
        },
        {
          "name": "Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Abiraterone Acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "18 Years to 80 Years · Male only"
      },
      "enrollment_count": 26,
      "start_date": "2017-02-22",
      "completion_date": "2022-10-17",
      "has_results": true,
      "last_update_posted_date": "2023-02-16",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Baltimore, Maryland",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03043807"
    },
    {
      "nct_id": "NCT04241185",
      "title": "Efficacy and Safety of Pembrolizumab (MK-3475) in Combination With Chemoradiotherapy (CRT) Versus CRT Alone in Muscle-invasive Bladder Cancer (MIBC) (MK-3475-992/KEYNOTE-992)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urinary Bladder Neoplasms"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Conventional Radiotherapy (Bladder only)",
          "type": "RADIATION"
        },
        {
          "name": "Conventional Radiotherapy (Bladder and pelvic nodes)",
          "type": "RADIATION"
        },
        {
          "name": "Hypofractionated Radiotherapy (Bladder only)",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil (5-FU)",
          "type": "DRUG"
        },
        {
          "name": "Mitomycin C (MMC)",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 520,
      "start_date": "2020-05-19",
      "completion_date": "2031-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 24,
      "location_summary": "Washington D.C., District of Columbia • Bay Pines, Florida • Orlando, Florida + 20 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Bay Pines",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Pikeville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04241185"
    },
    {
      "nct_id": "NCT04787744",
      "title": "Veterans Affairs Seamless Phase II/III Randomized Trial of STAndard Systemic theRapy With or Without PET-directed Local Therapy for Oligometastatic pRosTate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer",
        "Oligometastasis",
        "Oligorecurrence",
        "Recurrent Prostate Cancer",
        "Metastatic Prostate Cancer",
        "De Novo Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "PET-directed Local Therapy using Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "PET-directed Local Therapy using Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Salvage Local Therapy for locally recurrent disease",
          "type": "OTHER"
        },
        {
          "name": "Goserelin, Histrelin, Leuprolide & Triptorelin",
          "type": "DRUG"
        },
        {
          "name": "ADT + Nilutamide, Flutamide, & Bicalutamide",
          "type": "DRUG"
        },
        {
          "name": "Degarelix & Relugolix",
          "type": "DRUG"
        },
        {
          "name": "ADT + Docetaxel +/- prednisone",
          "type": "DRUG"
        },
        {
          "name": "ADT + Abiraterone + Prednisone",
          "type": "DRUG"
        },
        {
          "name": "ADT + Abiraterone + Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "ADT + Apalutamide",
          "type": "DRUG"
        },
        {
          "name": "ADT + Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Prostate-directed Radiation for De novo oligometastatic prostate cancer",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 464,
      "start_date": "2021-07-01",
      "completion_date": "2029-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 20,
      "location_summary": "Long Beach, California • West Los Angeles, California • Washington D.C., District of Columbia + 17 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "West Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Bay Pines",
          "state": "Florida"
        },
        {
          "city": "Hines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04787744"
    },
    {
      "nct_id": "NCT03481114",
      "title": "Patient-Reported Outcomes Following Chemoradiotherapy for Locally Advanced Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "PET-based, dose-painted, accelerated chemoradiotherapy",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Standard chemoradiotherapy",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2017-08-28",
      "completion_date": "2023-12-27",
      "has_results": true,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03481114"
    },
    {
      "nct_id": "NCT05133440",
      "title": "A Study of Stereotactic Body Radiation Therapy and Radium (Ra-223) Dichloride in Prostate Cancer That Has Spread to the Bones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Radium dichloride",
          "type": "DRUG"
        },
        {
          "name": "PET Scan",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2021-11-12",
      "completion_date": "2026-04-27",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-09-21T18:28:47.591Z",
      "location_count": 7,
      "location_summary": "Aurora, Colorado • Basking Ridge, New Jersey • Middletown, New Jersey + 4 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05133440"
    }
  ]
}