{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=36",
    "query": {
      "intervention": "Ancillary Study",
      "page": 36
    },
    "page_size": 10
  },
  "pagination": {
    "page": 36,
    "page_size": 10,
    "total_count": 2162,
    "total_pages": 217,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=37&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=35&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T06:18:55.601Z",
  "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": "NCT03207854",
      "title": "Collection of Immunology Specimens From Patients With Cancer or Blood Disorders, and Healthy Volunteers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Subject",
        "Hematologic and Lymphocytic Disorder",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Immune System Disorder",
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 625,
      "start_date": "2017-04-12",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03207854"
    },
    {
      "nct_id": "NCT02096783",
      "title": "Scripted Sexual Health Informational Intervention in Improving Sexual Function in Patients With Gynecologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety Disorder",
        "Cervical Cancer",
        "Endometrial Cancer",
        "Female Reproductive Cancer",
        "Gestational Trophoblastic Tumor",
        "Ovarian Epithelial Cancer",
        "Ovarian Germ Cell Tumor",
        "Sexual Dysfunction",
        "Uterine Sarcoma",
        "Vaginal Cancer",
        "Vulvar Cancer"
      ],
      "interventions": [
        {
          "name": "informational intervention",
          "type": "OTHER"
        },
        {
          "name": "counseling intervention",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 15,
      "start_date": "2014-09",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2019-11-18",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02096783"
    },
    {
      "nct_id": "NCT03525873",
      "title": "A Study of Cancer Related Fatigue in Patients With Metastatic Cancer Receiving Anti-PD1 Immunotherapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Malignant Neoplasm",
        "Metastatic Malignant Neoplasm",
        "Recurrent Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Physical Activity",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "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": 212,
      "start_date": "2018-08-02",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03525873"
    },
    {
      "nct_id": "NCT06771739",
      "title": "A Pilot Unrestricted Payment Program for Early-stage Cancer Patients: the PAYMENT Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Support",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson 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": 20,
      "start_date": "2026-11-15",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 3,
      "location_summary": "Bellingham, Washington • Longview, Washington • Vancouver, Washington",
      "locations": [
        {
          "city": "Bellingham",
          "state": "Washington"
        },
        {
          "city": "Longview",
          "state": "Washington"
        },
        {
          "city": "Vancouver",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06771739"
    },
    {
      "nct_id": "NCT01732445",
      "title": "Ruxolitinib Phosphate and Danazol in Treating Anemia in Patients With Myelofibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia",
        "Primary Myelofibrosis",
        "Secondary Myelofibrosis"
      ],
      "interventions": [
        {
          "name": "ruxolitinib phosphate",
          "type": "DRUG"
        },
        {
          "name": "danazol",
          "type": "DRUG"
        },
        {
          "name": "quality-of-life assessment",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 14,
      "start_date": "2013-04",
      "completion_date": "2017-08-10",
      "has_results": true,
      "last_update_posted_date": "2017-10-18",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • New York, New York",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01732445"
    },
    {
      "nct_id": "NCT01492569",
      "title": "Acupuncture Point Stimulation for Treatment of Chemotherapy Nausea and Vomiting",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Acute Lymphoblastic Leukemia",
        "Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies",
        "Ewing Sarcoma",
        "Vomiting in Infants and/or Children",
        "Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "electroacupuncture therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "8 Years to 21 Years"
      },
      "enrollment_count": 0,
      "start_date": "2012-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-06-12",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01492569"
    },
    {
      "nct_id": "NCT02310594",
      "title": "Anti-tumor Immune Response in Patients With Cancer Undergoing Radiation Therapy",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "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": 139,
      "start_date": "2010-07-08",
      "completion_date": "2022-08-09",
      "has_results": false,
      "last_update_posted_date": "2022-08-18",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02310594"
    },
    {
      "nct_id": "NCT03680235",
      "title": "Informational Intervention in Increasing Lactation Practices by African American Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Subject",
        "Pregnant"
      ],
      "interventions": [
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 296,
      "start_date": "2016-07-11",
      "completion_date": "2019-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-07-23",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03680235"
    },
    {
      "nct_id": "NCT04990726",
      "title": "Immune Related Toxicity and Symptom Burden in Chronic Cancer Survivors With Melanoma Receiving Adjuvant Immunotherapy With Immune Checkpoint Inhibitors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Clinical Stage III Cutaneous Melanoma AJCC v8",
        "Pathologic Stage III Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IIIA Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IIIB Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IIIC Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IIID Cutaneous Melanoma AJCC v8",
        "Melanoma, Stage II",
        "Melanoma Stage IV"
      ],
      "interventions": [
        {
          "name": "Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "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": 126,
      "start_date": "2019-12-05",
      "completion_date": "2027-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04990726"
    },
    {
      "nct_id": "NCT07608458",
      "title": "Scheduled Meditation for Improving Postoperative Outcomes in Patients Undergoing Pancreatectomy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatocellular Carcinoma",
        "Pancreas Cancer",
        "Biliary Tract Neoplasms"
      ],
      "interventions": [
        {
          "name": "Actigraphy",
          "type": "OTHER"
        },
        {
          "name": "Online Mindfulness Meditation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smartphone Application-based Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2026-10-01",
      "completion_date": "2026-11-25",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-22T06:18:55.601Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07608458"
    }
  ]
}