{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=84",
    "query": {
      "intervention": "Ancillary Study",
      "page": 84
    },
    "page_size": 10
  },
  "pagination": {
    "page": 84,
    "page_size": 10,
    "total_count": 2167,
    "total_pages": 217,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=85&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=83&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T04:57:25.658Z",
  "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": "NCT05340309",
      "title": "Subcutaneous Atezolizumab for the Treatment of Non-small Cell Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Non-Small Cell Carcinoma",
        "Stage II Lung Cancer AJCC v8",
        "Stage IIA Lung Cancer AJCC v8",
        "Stage IIB Lung Cancer AJCC v8",
        "Stage III Lung Cancer AJCC v8",
        "Stage IIIA Lung Cancer AJCC v8",
        "Stage IIIB Lung Cancer AJCC v8",
        "Stage IIIC Lung Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Atezolizumab and Recombinant Human Hyaluronidase",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2022-12-07",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05340309"
    },
    {
      "nct_id": "NCT03661437",
      "title": "Systemic Light Exposure in Preventing Frailty in Older Patients With Prostate Cancer on Hormonal Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Actigraph",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Systematic Light Exposure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "60 Years and older · Male only"
      },
      "enrollment_count": 33,
      "start_date": "2018-09-24",
      "completion_date": "2025-03-24",
      "has_results": false,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03661437"
    },
    {
      "nct_id": "NCT04662645",
      "title": "Embedded Palliative Care in Managing Symptoms in Participants With Recurrent Stage III-IV Thoracic Malignancies and Their Caregivers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Caregiver",
        "Malignant Pleural Neoplasm",
        "Metastatic Thymic Carcinoma",
        "Recurrent Lung Carcinoma",
        "Recurrent Thymic Carcinoma",
        "Stage III Lung Cancer AJCC v8",
        "Stage IIIA Lung Cancer AJCC v8",
        "Stage IIIB Lung Cancer AJCC v8",
        "Stage IIIC Lung Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Palliative Therapy",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University 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": 68,
      "start_date": "2018-12-12",
      "completion_date": "2020-12-05",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04662645"
    },
    {
      "nct_id": "NCT01817075",
      "title": "Chlorhexidine Gluconate Cleansing in Preventing Central Line Associated Bloodstream Infection and Acquisition of Multi-drug Resistant Organisms in Younger Patients With Cancer or Undergoing Donor Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bacterial Infection",
        "Benign Neoplasm",
        "Malignant Neoplasm",
        "Methicillin-Resistant Staphylococcus Aureus Infection",
        "Myeloid Neoplasm",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Chlorhexidine Gluconate Skin Cleanser",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Mild Soap Skin Cleanser",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "2 Months to 21 Years"
      },
      "enrollment_count": 177,
      "start_date": "2013-11-04",
      "completion_date": "2020-03-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-22",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 53,
      "location_summary": "Duarte, California • Long Beach, California • Los Angeles, California + 44 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01817075"
    },
    {
      "nct_id": "NCT07526545",
      "title": "Urine Prostate Screening Integrated With MRI for Early Detection of Prostate Cancer, UPRISE Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Diagnostic Procedure",
          "type": "DEVICE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "50 Years to 75 Years · Male only"
      },
      "enrollment_count": 800,
      "start_date": "2026-12-01",
      "completion_date": "2030-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07526545"
    },
    {
      "nct_id": "NCT05521698",
      "title": "A Randomized Trial of Bicalutamide in Non-Muscle Invasive Bladder Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-Muscle Invasive Bladder Urothelial Carcinoma",
        "Recurrent Non-Muscle Invasive Bladder Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Bicalutamide",
          "type": "DRUG"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Transurethral Resection of Bladder Tumor",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 80,
      "start_date": "2026-06-25",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 6,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Bethesda, Maryland + 3 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05521698"
    },
    {
      "nct_id": "NCT00579306",
      "title": "Levels of Inflammatory Markers in the Treatment of Stroke-An SPS3 Ancillary Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension",
        "Stroke"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 1244,
      "start_date": "2005-06",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2017-07-24",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 30,
      "location_summary": "Mobile, Alabama • Scottsdale, Arizona • Tucson, Arizona + 23 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00579306"
    },
    {
      "nct_id": "NCT06630104",
      "title": "Understanding the Mechanisms of Clonal and Non-clonal Cytopenia Following CAR-T Therapy for Multiple Myeloma or CD19+ Lymphoproliferative Disorder (LPD)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphoproliferative Disorder",
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Follow-Up",
          "type": "PROCEDURE"
        },
        {
          "name": "Genetic Counseling",
          "type": "OTHER"
        },
        {
          "name": "Genetic Testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 82,
      "start_date": "2024-11-22",
      "completion_date": "2031-12-16",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 7,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Albert Lea, Minnesota + 4 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Albert Lea",
          "state": "Minnesota"
        },
        {
          "city": "Mankato",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06630104"
    },
    {
      "nct_id": "NCT03641287",
      "title": "The Effects of Exercise on Distress, Quality of Life, and Biomarkers in Ovarian Cancer Survivors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Fallopian Tube Adenocarcinoma",
        "Fallopian Tube Carcinosarcoma",
        "Fallopian Tube Clear Cell Adenocarcinoma",
        "Fallopian Tube Endometrioid Adenocarcinoma",
        "Fallopian Tube Mucinous Adenocarcinoma",
        "Fallopian Tube Serous Adenocarcinoma",
        "Fallopian Tube Transitional Cell Carcinoma",
        "Fallopian Tube Undifferentiated Carcinoma",
        "Malignant Ovarian Brenner Tumor",
        "Ovarian Adenocarcinoma",
        "Ovarian Carcinosarcoma",
        "Ovarian Clear Cell Adenocarcinoma",
        "Ovarian Endometrioid Adenocarcinoma",
        "Ovarian Mucinous Adenocarcinoma",
        "Ovarian Seromucinous Carcinoma",
        "Ovarian Serous Adenocarcinoma",
        "Ovarian Transitional Cell Carcinoma",
        "Ovarian Undifferentiated Carcinoma",
        "Primary Peritoneal Serous Adenocarcinoma",
        "Primary Peritoneal Carcinosarcoma",
        "Primary Peritoneal Transitional Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Exercise Counseling",
          "type": "OTHER"
        },
        {
          "name": "Aerobic Exercise",
          "type": "OTHER"
        },
        {
          "name": "Physiological Support",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Best Practice",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "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": 64,
      "start_date": "2018-12-05",
      "completion_date": "2022-09-30",
      "has_results": true,
      "last_update_posted_date": "2023-11-29",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03641287"
    },
    {
      "nct_id": "NCT06500858",
      "title": "MBC Physical Activity Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Metastatic Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "OTHER"
        },
        {
          "name": "Health Promotion and Education",
          "type": "OTHER"
        },
        {
          "name": "Internet-Based Intervention",
          "type": "OTHER"
        },
        {
          "name": "Physical Activity",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 120 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2024-09-06",
      "completion_date": "2025-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-11-03T04:57:25.658Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06500858"
    }
  ]
}