{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=67",
    "query": {
      "intervention": "Ancillary Study",
      "page": 67
    },
    "page_size": 10
  },
  "pagination": {
    "page": 67,
    "page_size": 10,
    "total_count": 2162,
    "total_pages": 217,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=68&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=66&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T11:35:26.837Z",
  "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": "NCT01946217",
      "title": "Factors Affecting Patient Participation in AIDS Malignancy Clinical Trials Consortium Clinical Trials",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infection",
        "Malignant Neoplasm",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 82,
      "start_date": "2013-09",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2016-08-18",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Chicago, Illinois • New Orleans, Louisiana + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01946217"
    },
    {
      "nct_id": "NCT05941858",
      "title": "Online Tai Chi Intervention to Promote Smoking Cessation Among Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Carbon Monoxide Measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Internet-Based Intervention",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Tai Chi",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2024-11-11",
      "completion_date": "2025-12-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05941858"
    },
    {
      "nct_id": "NCT07276048",
      "title": "Community Genetic Navigation Engagement Specialists to Increase Knowledge About Colorectal Cancer Genetics in Hispanic/Latino/a Communities",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Discussion",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2023-06-23",
      "completion_date": "2027-12-11",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07276048"
    },
    {
      "nct_id": "NCT03941860",
      "title": "Testing the Addition of Ixazomib/Placebo to Lenalidomide in Patients With Evidence of Residual Multiple Myeloma, OPTIMUM Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspirate",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ixazomib Citrate",
          "type": "DRUG"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "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": 1,
      "start_date": "2022-02-16",
      "completion_date": "2025-01-31",
      "has_results": true,
      "last_update_posted_date": "2025-05-23",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 221,
      "location_summary": "Phoenix, Arizona • Hot Springs, Arkansas • Arroyo Grande, California + 154 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Arroyo Grande",
          "state": "California"
        },
        {
          "city": "San Luis Obispo",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03941860"
    },
    {
      "nct_id": "NCT01846520",
      "title": "Family Caregiver Palliative Care Intervention in Supporting Caregivers of Patients With Stage II-IV Gastrointestinal, Gynecologic, Urologic and Lung Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Subject",
        "Localized Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Metastatic Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Psychosocial Effects of Cancer and Its Treatment",
        "Recurrent Bladder Cancer",
        "Recurrent Cervical Cancer",
        "Recurrent Colon Cancer",
        "Recurrent Gastric Cancer",
        "Recurrent Ovarian Epithelial Cancer",
        "Recurrent Ovarian Germ Cell Tumor",
        "Recurrent Pancreatic Cancer",
        "Recurrent Rectal Cancer",
        "Recurrent Renal Cell Cancer",
        "Recurrent Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Recurrent Urethral Cancer",
        "Recurrent Uterine Sarcoma",
        "Regional Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Stage II Bladder Cancer",
        "Stage II Renal Cell Cancer",
        "Stage II Urethral Cancer",
        "Stage IIA Cervical Cancer",
        "Stage IIA Colon Cancer",
        "Stage IIA Gastric Cancer",
        "Stage IIA Ovarian Epithelial Cancer",
        "Stage IIA Ovarian Germ Cell Tumor",
        "Stage IIA Pancreatic Cancer",
        "Stage IIA Rectal Cancer",
        "Stage IIA Uterine Sarcoma",
        "Stage IIB Cervical Cancer",
        "Stage IIB Colon Cancer",
        "Stage IIB Gastric Cancer",
        "Stage IIB Ovarian Epithelial Cancer",
        "Stage IIB Ovarian Germ Cell Tumor",
        "Stage IIB Pancreatic Cancer",
        "Stage IIB Rectal Cancer",
        "Stage IIB Uterine Sarcoma",
        "Stage IIC Colon Cancer",
        "Stage IIC Ovarian Epithelial Cancer",
        "Stage IIC Ovarian Germ Cell Tumor",
        "Stage IIC Rectal Cancer",
        "Stage III Bladder Cancer",
        "Stage III Pancreatic Cancer",
        "Stage III Renal Cell Cancer",
        "Stage III Urethral Cancer",
        "Stage IIIA Cervical Cancer",
        "Stage IIIA Colon Cancer",
        "Stage IIIA Gastric Cancer",
        "Stage IIIA Ovarian Epithelial Cancer",
        "Stage IIIA Ovarian Germ Cell Tumor",
        "Stage IIIA Rectal Cancer",
        "Stage IIIA Uterine Sarcoma",
        "Stage IIIB Cervical Cancer",
        "Stage IIIB Colon Cancer",
        "Stage IIIB Gastric Cancer",
        "Stage IIIB Ovarian Epithelial Cancer",
        "Stage IIIB Ovarian Germ Cell Tumor",
        "Stage IIIB Rectal Cancer",
        "Stage IIIB Uterine Sarcoma",
        "Stage IIIC Colon Cancer",
        "Stage IIIC Gastric Cancer",
        "Stage IIIC Ovarian Epithelial Cancer",
        "Stage IIIC Ovarian Germ Cell Tumor",
        "Stage IIIC Rectal Cancer",
        "Stage IIIC Uterine Sarcoma",
        "Stage IV Bladder Cancer",
        "Stage IV Gastric Cancer",
        "Stage IV Ovarian Epithelial Cancer",
        "Stage IV Ovarian Germ Cell Tumor",
        "Stage IV Pancreatic Cancer",
        "Stage IV Renal Cell Cancer",
        "Stage IV Urethral Cancer",
        "Stage IVA Cervical Cancer",
        "Stage IVA Colon Cancer",
        "Stage IVA Rectal Cancer",
        "Stage IVA Uterine Sarcoma",
        "Stage IVB Cervical Cancer",
        "Stage IVB Colon Cancer",
        "Stage IVB Rectal Cancer",
        "Stage IVB Uterine Sarcoma",
        "Ureter Cancer",
        "Stage IIA Lung Carcinoma",
        "Stage IIB Lung Carcinoma",
        "Stage IIIA Lung Carcinoma",
        "Stage IIIB Lung Carcinoma"
      ],
      "interventions": [
        {
          "name": "educational intervention",
          "type": "OTHER"
        },
        {
          "name": "telephone-based intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2013-10-29",
      "completion_date": "2019-05-23",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01846520"
    },
    {
      "nct_id": "NCT00557180",
      "title": "Examining the Link Between Obesity, Inflammation, and Response to Asthma Medications",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Beclomethasone dipropionate HFA",
          "type": "DRUG"
        },
        {
          "name": "Tiotropium bromide",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol xinafoate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2007-10",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 10,
      "location_summary": "San Diego, California • San Francisco, California • Denver, Colorado + 7 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00557180"
    },
    {
      "nct_id": "NCT05407168",
      "title": "Improving Decision-Making Encounters in Lung Cancer Using a Low-Literacy Conversation Tool",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Carcinoma"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Health Promotion and Education",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 237,
      "start_date": "2022-10-31",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 4,
      "location_summary": "Hillsboro, Oregon • Portland, Oregon",
      "locations": [
        {
          "city": "Hillsboro",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05407168"
    },
    {
      "nct_id": "NCT05044468",
      "title": "EXPAREL or Lidocane as Local Anesthetic in Patients Undergoing Pleuroscopy With Pleural Biopsy and Indwelling Pleural Catheter Placement",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignant Pleural Neoplasm"
      ],
      "interventions": [
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Liposomal Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 80,
      "start_date": "2021-03-23",
      "completion_date": "2028-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05044468"
    },
    {
      "nct_id": "NCT07630155",
      "title": "Office-Based Ureteroscopy Utilizing a Single Use Digital, Flexible Ureteroscope for Upper Tract Urothelial Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Pelvis and Ureter Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Analgesic Agent",
          "type": "DRUG"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Lidocaine Topical",
          "type": "DRUG"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "DEVICE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Ureteroscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "University of Michigan Rogel 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": 10,
      "start_date": "2026-12",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07630155"
    },
    {
      "nct_id": "NCT01901835",
      "title": "Media Diversion in Improving Quality of Life in Patients With Recurrent Gynecologic Cancers Receiving Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Female Reproductive Cancer"
      ],
      "interventions": [
        {
          "name": "mind-body intervention procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "survey administration",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 67,
      "start_date": "2014-02-12",
      "completion_date": "2017-02-08",
      "has_results": false,
      "last_update_posted_date": "2019-11-19",
      "last_synced_at": "2026-10-27T11:35:26.837Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01901835"
    }
  ]
}