{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=20+days+Radiation+therapy+%2855+Gy+in+20+fractions%29",
    "query": {
      "intervention": "20 days Radiation therapy (55 Gy in 20 fractions)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T08:07:05.113Z",
  "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": "NCT05038332",
      "title": "Post-prostatectomy Radiation Therapy--Moderate Versus Ultra-hypofractionated (Also Known as Stereotactic Body Radiation Therapy [SBRT])",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Ultra-hypofractionated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Moderately Hypo-fractionated Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Michigan Rogel 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": 136,
      "start_date": "2021-11-12",
      "completion_date": "2029-11",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-10-07T08:07:05.113Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05038332"
    },
    {
      "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": "2026-10-07T08:07:05.113Z",
      "location_count": 1,
      "location_summary": "Camden, New Jersey",
      "locations": [
        {
          "city": "Camden",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02707328"
    },
    {
      "nct_id": "NCT03304418",
      "title": "Radium-223 and Radiotherapy in Hormone-Naïve Men With Oligometastatic Prostate Cancer to Bone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer Metastatic to Bone"
      ],
      "interventions": [
        {
          "name": "Radium Ra 223 Dichloride",
          "type": "DRUG"
        },
        {
          "name": "Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Utah",
      "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": 20,
      "start_date": "2018-02-27",
      "completion_date": "2023-08-31",
      "has_results": true,
      "last_update_posted_date": "2025-04-30",
      "last_synced_at": "2026-10-07T08:07:05.113Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03304418"
    },
    {
      "nct_id": "NCT07566156",
      "title": "Enfortumab Vedotin in Combination With Pembrolizumab vs. Concurrent Chemoradiotherapy (cCRT) in People With Muscle Invasive Bladder Cancer (EV-309)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urothelial Cancer",
        "Urinary Bladder Neoplasms"
      ],
      "interventions": [
        {
          "name": "Enfortumab vedotin",
          "type": "DRUG"
        },
        {
          "name": "Conventional Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Hypofractionated Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Mitomycin C",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 390,
      "start_date": "2026-05-11",
      "completion_date": "2032-02-29",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-07T08:07:05.113Z",
      "location_count": 15,
      "location_summary": "Santa Barbara, California • Aurora, Colorado • Newark, Delaware + 12 more",
      "locations": [
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Hinsdale",
          "state": "Illinois"
        },
        {
          "city": "New Lenox",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07566156"
    },
    {
      "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": "2026-10-07T08:07:05.113Z",
      "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": "NCT04422132",
      "title": "Randomized Phase II Trial of Salvage Radiotherapy for Prostate Cancer In 4 Weeks v. 2 Weeks",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "5 days Radiation Therapy (32.5 Gy in 5 fractions)",
          "type": "RADIATION"
        },
        {
          "name": "20 days Radiation therapy (55 Gy in 20 fractions)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "18 Years to 90 Years · Male only"
      },
      "enrollment_count": 134,
      "start_date": "2020-09-24",
      "completion_date": "2033-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-07T08:07:05.113Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04422132"
    },
    {
      "nct_id": "NCT00601705",
      "title": "Epirubicin, Oxaliplatin and Fluorouracil (EOF) in Cancer of the Esophagus, Gastroesophageal Junction, or Stomach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "epirubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "neoadjuvant therapy",
          "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": 61,
      "start_date": "2008-01-05",
      "completion_date": "2015-01-23",
      "has_results": true,
      "last_update_posted_date": "2019-04-30",
      "last_synced_at": "2026-10-07T08:07:05.113Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00601705"
    }
  ]
}