{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=18",
    "query": {
      "intervention": "Ancillary Study",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 2162,
    "total_pages": 217,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T00:56:31.692Z",
  "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": "NCT05810714",
      "title": "Audio and Video Brochures for Increasing Colorectal Cancer Screening Among Adults Living in Appalachia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Fecal Immunochemical Test",
          "type": "OTHER"
        },
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Scheduled Notification",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "50 Years to 64 Years"
      },
      "enrollment_count": 94,
      "start_date": "2021-11-20",
      "completion_date": "2022-02-01",
      "has_results": true,
      "last_update_posted_date": "2023-12-05",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05810714"
    },
    {
      "nct_id": "NCT02531906",
      "title": "Gabapentin, Methadone Hydrochloride, and Oxycodone Hydrochloride in Improving Quality of Life in Patients With Stage II-IV Head and Neck Cancer During Chemoradiation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma",
        "Pain",
        "Stomatitis"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Methadone Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 60,
      "start_date": "2015-04-24",
      "completion_date": "2018-06-14",
      "has_results": false,
      "last_update_posted_date": "2022-07-25",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02531906"
    },
    {
      "nct_id": "NCT04125914",
      "title": "Weight Management and Health Behavior Intervention in Lowering Cancer Risk for BRCA Positive and Lynch Syndrome Families",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hereditary Breast Carcinoma",
        "Hereditary Ovarian Carcinoma",
        "Lynch Syndrome"
      ],
      "interventions": [
        {
          "name": "Behavioral Dietary Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-mail",
          "type": "OTHER"
        },
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Promotion and Education",
          "type": "OTHER"
        },
        {
          "name": "Internet-Based Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson 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": 384,
      "start_date": "2017-01-26",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04125914"
    },
    {
      "nct_id": "NCT06090916",
      "title": "Malnutrition Screening and Dietary Intervention to Improve Nutrition Outcomes in Patients With Unresectable Pancreatic Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage III Pancreatic Cancer",
        "Pancreatic Adenocarcinoma Non-resectable"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Dietary Intervention",
          "type": "OTHER"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Nutritional Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Jonsson 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": 100,
      "start_date": "2023-01-17",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06090916"
    },
    {
      "nct_id": "NCT06184750",
      "title": "Finding the Best Tamoxifen Dose for Breast Cancer Risk Reduction in Premenopausal Women, RENAISSANCE Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Atypical Ductal Hyperplasia",
        "Breast Atypical Lobular Hyperplasia",
        "Breast Carcinoma",
        "Breast Ductal Carcinoma In Situ",
        "Breast Lobular Carcinoma In Situ",
        "Estrogen Receptor-Positive Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Mammography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2024-09-27",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 11,
      "location_summary": "Tucson, Arizona • Chicago, Illinois • Kansas City, Kansas + 6 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06184750"
    },
    {
      "nct_id": "NCT04946279",
      "title": "Decision Aid for the Improvement of Decision-Making in Patients With Non-small Cell Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Non-Small Cell Carcinoma",
        "Stage I Lung Cancer AJCC v8",
        "Stage II Lung Cancer AJCC v8",
        "Stage III Lung Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 98,
      "start_date": "2020-08-07",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04946279"
    },
    {
      "nct_id": "NCT06712810",
      "title": "Q702 for the Treatment of Patients With Hematologic Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Histiocytic Sarcoma",
        "Malignant Histiocytosis",
        "Peripheral T-Cell Lymphoma, Not Otherwise Specified",
        "Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Chronic Myelomonocytic Leukemia",
        "Recurrent Follicular Lymphoma",
        "Recurrent Langerhans Cell Histiocytosis",
        "Recurrent Lymphoplasmacytic Lymphoma",
        "Recurrent Myelodysplastic Syndrome",
        "Recurrent Myelofibrosis",
        "Recurrent Small Lymphocytic Lymphoma",
        "Recurrent Waldenstrom Macroglobulinemia",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Chronic Myelomonocytic Leukemia",
        "Refractory Erdheim-Chester Disease",
        "Refractory Follicular Lymphoma",
        "Refractory Langerhans Cell Histiocytosis",
        "Refractory Lymphoplasmacytic Lymphoma",
        "Refractory Myelodysplastic Syndrome",
        "Refractory Myelofibrosis",
        "Refractory Small Lymphocytic Lymphoma",
        "Refractory Waldenstrom Macroglobulinemia",
        "Rosai-Dorfman-Destombes Disease",
        "Primary Central Nervous System Lymphoma",
        "Recurrent Blastic Plasmacytoid Dendritic Cell Neoplasm",
        "Recurrent Erdheim-Chester Disease",
        "Recurrent Fibroblastic Reticular Cell Sarcoma",
        "Recurrent Histiocytic Sarcoma",
        "Recurrent Interdigitating Dendritic Cell Sarcoma",
        "Recurrent Rosai-Dorfman-Destombes Disease",
        "Refractory Blastic Plasmacytoid Dendritic Cell Neoplasm",
        "Refractory Fibroblastic Reticular Cell Sarcoma",
        "Refractory Histiocytic Sarcoma",
        "Refractory Interdigitating Dendritic Cell Sarcoma",
        "Refractory Rosai-Dorfman-Destombes Disease"
      ],
      "interventions": [
        {
          "name": "Axl/Mer/CSF1R Inhibitor Q702",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 46,
      "start_date": "2025-08-27",
      "completion_date": "2030-09-15",
      "has_results": false,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06712810"
    },
    {
      "nct_id": "NCT06447103",
      "title": "An Investigational Scan (89Zr-DFO-GmAb PET/CT) Compared to Contrast-Enhanced CT for the Detection of Recurrent Clear Cell Renal Cell Cancer After Surgery Comparing Carbonic Anhydrase IX (CAIX) PET CT to Conventional PET CT for Post-Op Staging in Kidney Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clear Cell Renal Cell Carcinoma",
        "Sarcomatoid Renal Cell Carcinoma",
        "Stage II Renal Cell Cancer",
        "Stage III Renal Cell Cancer",
        "Stage IV Renal Cell Cancer"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Zirconium Zr 89 Girentuximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Jonsson 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": 91,
      "start_date": "2024-08-06",
      "completion_date": "2030-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06447103"
    },
    {
      "nct_id": "NCT01517971",
      "title": "Studying Tumor Tissue Samples From Patients With Early-Stage Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1060,
      "start_date": "2012-01",
      "completion_date": "2019-02-27",
      "has_results": false,
      "last_update_posted_date": "2021-08-17",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01517971"
    },
    {
      "nct_id": "NCT05812807",
      "title": "Pembrolizumab vs. Observation in People With Triple-negative Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Pembrolizumab",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Early Stage Triple-Negative Breast Carcinoma",
        "Anatomic Stage IIIA Breast Cancer AJCC v8",
        "Anatomic Stage IIIB Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1295,
      "start_date": "2023-06-14",
      "completion_date": "2033-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-10-20T00:56:31.692Z",
      "location_count": 828,
      "location_summary": "Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 600 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05812807"
    }
  ]
}