{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=59",
    "query": {
      "intervention": "Ancillary Study",
      "page": 59
    },
    "page_size": 10
  },
  "pagination": {
    "page": 59,
    "page_size": 10,
    "total_count": 2162,
    "total_pages": 217,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=60&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=58&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T17:47:38.037Z",
  "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": "NCT04336943",
      "title": "Durvalumab and Olaparib for the Treatment of Prostate Cancer in Men Predicted to Have a High Neoantigen Load",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Biochemically Recurrent Prostate Carcinoma",
        "Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "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": 6,
      "start_date": "2021-04-13",
      "completion_date": "2025-06-06",
      "has_results": true,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04336943"
    },
    {
      "nct_id": "NCT03718338",
      "title": "Mechanisms of Metabolic and Hormone Action on Plaque Formation in Brain and Carotid Vessels in Patients With Prostate Adenocarcinoma",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Evaluation",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 2,
      "start_date": "2019-10-08",
      "completion_date": "2020-03-12",
      "has_results": false,
      "last_update_posted_date": "2020-12-10",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03718338"
    },
    {
      "nct_id": "NCT03757949",
      "title": "Nutrition Therapy in Improving Immune System in Patients With Bladder Cancer That Can Be Removed by Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bladder Carcinoma"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nutritional Intervention",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "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": 203,
      "start_date": "2019-03-05",
      "completion_date": "2027-01-01",
      "has_results": true,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 46,
      "location_summary": "Duarte, California • Los Angeles, California • Newport Beach, California + 35 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03757949"
    },
    {
      "nct_id": "NCT06261814",
      "title": "Contrast Enhanced Ultrasound to Evaluate Response to Chemoembolization in Patients With Liver Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Liver Neoplasms"
      ],
      "interventions": [
        {
          "name": "Sulfur Hexafluoride Lipid Microspheres",
          "type": "DRUG"
        },
        {
          "name": "Contrast-Enhanced Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Transarterial Chemoembolization",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "john eisenbrey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 266,
      "start_date": "2024-08-07",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06261814"
    },
    {
      "nct_id": "NCT02166463",
      "title": "Brentuximab Vedotin and Combination Chemotherapy in Treating Children and Young Adults With Stage IIB, Stage IIIB, IVA, or IVB Hodgkin Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ann Arbor Stage IIB Hodgkin Lymphoma",
        "Ann Arbor Stage IIIB Hodgkin Lymphoma",
        "Ann Arbor Stage IVA Hodgkin Lymphoma",
        "Ann Arbor Stage IVB Hodgkin Lymphoma",
        "Childhood Hodgkin Lymphoma",
        "Classic Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Bleomycin Sulfate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Brentuximab Vedotin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "2 Years to 22 Years"
      },
      "enrollment_count": 600,
      "start_date": "2015-03-19",
      "completion_date": "2026-10-03",
      "has_results": true,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 182,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 140 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02166463"
    },
    {
      "nct_id": "NCT02440737",
      "title": "Navigated Early Survivorship Transition in Patients With Newly Diagnosed Cancer and Their Caregivers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Follow-Up Care",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial Assessment and Care",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2015-05",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2019-10-18",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02440737"
    },
    {
      "nct_id": "NCT05021172",
      "title": "Incorporating ePrognosis for the Encouragement of Smarter Screening for Breast and Colorectal Cancer in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Carcinoma",
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2021-08-24",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2022-07-11",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05021172"
    },
    {
      "nct_id": "NCT05786456",
      "title": "e-Health Intervention (Day-by-Day) for the Management of Fear of Progression in Women With Stage III or IV Gynecologic Cancer: A Pilot Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Female Reproductive System Neoplasm",
        "Stage III Cervical Cancer AJCC v8",
        "Stage III Ovarian Cancer AJCC v8",
        "Stage III Uterine Corpus Cancer AJCC v8",
        "Stage III Vaginal Cancer AJCC v8",
        "Stage III Vulvar Cancer AJCC v8",
        "Stage IV Cervical Cancer AJCC v8",
        "Stage IV Ovarian Cancer AJCC v8",
        "Stage IV Uterine Corpus Cancer AJCC v8",
        "Stage IV Vaginal Cancer AJCC v8",
        "Stage IV Vulvar Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Discussion",
          "type": "PROCEDURE"
        },
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Media Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "City of Hope Medical Center",
      "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": 23,
      "start_date": "2024-07-19",
      "completion_date": "2026-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05786456"
    },
    {
      "nct_id": "NCT01799031",
      "title": "Educational Intervention for Reducing Work Disability in Breast Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Cancer Survivor"
      ],
      "interventions": [
        {
          "name": "internet-based intervention",
          "type": "OTHER"
        },
        {
          "name": "management of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "educational intervention",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 64 Years · Female only"
      },
      "enrollment_count": 44,
      "start_date": "2015-07",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2019-11-18",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01799031"
    },
    {
      "nct_id": "NCT01682031",
      "title": "Selenomethionine in Reducing Mucositis in Patients With Locally Advanced Head and Neck Cancer Who Are Receiving Cisplatin and Radiation Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chemotherapeutic Agent Toxicity",
        "Mucositis",
        "Radiation Toxicity",
        "Stage III Squamous Cell Carcinoma of the Hypopharynx",
        "Stage III Squamous Cell Carcinoma of the Larynx",
        "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Nasopharynx",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage III Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "Stage IV Squamous Cell Carcinoma of the Larynx",
        "Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IV Squamous Cell Carcinoma of the Nasopharynx",
        "Stage IV Squamous Cell Carcinoma of the Oropharynx",
        "Stage IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Xerostomia"
      ],
      "interventions": [
        {
          "name": "selenomethionine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "DRUG",
        "RADIATION",
        "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": 18,
      "start_date": "2009-06",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2014-08-22",
      "last_synced_at": "2026-10-25T17:47:38.037Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01682031"
    }
  ]
}