{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Postoperative+RT&page=2",
    "query": {
      "intervention": "Postoperative RT",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Postoperative+RT&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-20T06:44:20.225Z",
  "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": "NCT00969111",
      "title": "Postoperative or Salvage Radiotherapy (RT) for Node Negative Prostate Cancer Following Radical Prostatectomy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "IMRT to 45 Gy; prostate bed proton boost of 21.6 CGE",
          "type": "RADIATION"
        },
        {
          "name": "Proton (prostate bed) to 70.2 CGE",
          "type": "RADIATION"
        },
        {
          "name": "IMRT to 45 Gy; proton boost to prostate bed to 25.2 CGE",
          "type": "RADIATION"
        },
        {
          "name": "Proton to 66.6 CGE",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Proton Collaborative Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 70,
      "start_date": "2009-08",
      "completion_date": "2050-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 6,
      "location_summary": "Little Rock, Arkansas • Jacksonville, Florida • Warrenville, Illinois + 3 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Warrenville",
          "state": "Illinois"
        },
        {
          "city": "Flint",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00969111"
    },
    {
      "nct_id": "NCT00502411",
      "title": "Post-Operative Chemoradiation for Extremity & Trunk Soft Tissue Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 4,
      "start_date": "2003-01",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-11-18",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00502411"
    },
    {
      "nct_id": "NCT01678352",
      "title": "Imiquimod and Tumor Lysate Vaccine Immunotherapy in Adults With High Risk or Recurrent Grade II Gliomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "High Risk WHO Grade II Glioma",
        "Recurrent/Post-Chemotherapy WHO Grade II Glioma"
      ],
      "interventions": [
        {
          "name": "Tumor Lysate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Imiquimod",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Frank Lieberman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2012-10",
      "completion_date": "2018-11-08",
      "has_results": false,
      "last_update_posted_date": "2020-02-24",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01678352"
    },
    {
      "nct_id": "NCT04671667",
      "title": "Testing What Happens When an Immunotherapy Drug (Pembrolizumab) is Given by Itself Compared to the Usual Treatment of Chemotherapy With Radiation After Surgery for Recurrent Head and Neck Squamous Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Recurrent Hypopharyngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Squamous Cell Carcinoma",
        "Recurrent Oral Cavity Squamous Cell Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 188,
      "start_date": "2021-04-27",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 178,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Anaheim, California + 128 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04671667"
    },
    {
      "nct_id": "NCT01750073",
      "title": "Paclitaxel & Cyclophosphamide With or Without Trastuzumab Before Surgery in Treating Previously Untreated Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor Negative",
        "Estrogen Receptor Positive",
        "HER2/Neu Negative",
        "HER2/Neu Positive",
        "Invasive Breast Carcinoma",
        "Progesterone Receptor Negative",
        "Progesterone Receptor Positive",
        "Stage IA Breast Cancer",
        "Stage II Breast Cancer",
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer",
        "Stage III Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Trastuzumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "RADIATION",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "19 Years and older · Female only"
      },
      "enrollment_count": 92,
      "start_date": "2012-12-07",
      "completion_date": "2025-11-24",
      "has_results": true,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 4,
      "location_summary": "Bellevue, Nebraska • Grand Island, Nebraska • Omaha, Nebraska",
      "locations": [
        {
          "city": "Bellevue",
          "state": "Nebraska"
        },
        {
          "city": "Grand Island",
          "state": "Nebraska"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01750073"
    },
    {
      "nct_id": "NCT00002642",
      "title": "SWOG-9416: Chemotherapy, Radiation Therapy, and Surgery in Treating Patients With Stage III Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "low-LET cobalt-60 gamma ray therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 116,
      "start_date": "1995-04",
      "completion_date": "2004-07",
      "has_results": false,
      "last_update_posted_date": "2012-10-08",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002642"
    },
    {
      "nct_id": "NCT00795457",
      "title": "Effects of Vaccinations With HLA-A2-Restricted Glioma Antigen-Peptides in Combination With Poly-ICLC for Adults With High-Risk WHO Grade II Astrocytomas and Oligo-Astrocytomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Astrocytoma",
        "Oligo-Astrocytoma",
        "Glioma"
      ],
      "interventions": [
        {
          "name": "GAA/TT-peptide vaccine and poly-ICLC",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Ian F. Pollack, M.D.",
      "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": "2009-01",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2019-08-30",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 2,
      "location_summary": "Winston-Salem, North Carolina • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00795457"
    },
    {
      "nct_id": "NCT00956007",
      "title": "RT With or Without Cetuximab in Treating Patients Who Have Undergone Surgery for Locally Advanced Head and Neck Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 702,
      "start_date": "2010-03-31",
      "completion_date": "2029-08",
      "has_results": true,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 250,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Auburn, California + 191 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Auburn",
          "state": "California"
        },
        {
          "city": "Cameron Park",
          "state": "California"
        },
        {
          "city": "Carmichael",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00956007"
    },
    {
      "nct_id": "NCT00321685",
      "title": "Bevacizumab, Radiation Therapy, and Combination Chemotherapy in Treating Patients Who Are Undergoing Surgery for Locally Advanced Nonmetastatic Rectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rectal Adenocarcinoma",
        "Stage II Rectal Cancer AJCC v7",
        "Stage III Rectal Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2006-07-25",
      "completion_date": "2019-02-11",
      "has_results": true,
      "last_update_posted_date": "2019-03-27",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 107,
      "location_summary": "Birmingham, Alabama • New Britain, Connecticut • Atlanta, Georgia + 66 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "New Britain",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Macon",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00321685"
    },
    {
      "nct_id": "NCT03987386",
      "title": "Conventional or Hypofractionated Radiation Therapy in Treating Patients With Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stage I Prostate Cancer AJCC v8",
        "Stage II Prostate Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IVA Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Hypofractionated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson 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": 186,
      "start_date": "2019-05-30",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-09-20T06:44:20.225Z",
      "location_count": 3,
      "location_summary": "Houston, Texas • League City, Texas • Sugar Land, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "League City",
          "state": "Texas"
        },
        {
          "city": "Sugar Land",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03987386"
    }
  ]
}