{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=88",
    "query": {
      "intervention": "Ancillary Study",
      "page": 88
    },
    "page_size": 10
  },
  "pagination": {
    "page": 88,
    "page_size": 10,
    "total_count": 2167,
    "total_pages": 217,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=89&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=87&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T01:13:59.070Z",
  "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": "NCT01550783",
      "title": "Home-Based or Clinic-Based Human Papillomavirus (HPV) Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atypical Squamous Cell of Undetermined Significance",
        "Cervical Carcinoma",
        "Cervical Intraepithelial Neoplasia Grade 2/3",
        "Health Status Unknown",
        "Human Papillomavirus Infection",
        "Low Grade Cervical Squamous Intraepithelial Neoplasia",
        "Stage 0 Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "Cervical Papanicolaou Test",
          "type": "OTHER"
        },
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Screening Method",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 1335,
      "start_date": "2012-03",
      "completion_date": "2017-11-16",
      "has_results": false,
      "last_update_posted_date": "2020-07-31",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Seattle, Washington",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01550783"
    },
    {
      "nct_id": "NCT04570956",
      "title": "Oral Tamoxifen vs. TamGel vs. Control in Women With Atypical Hyperplasia, Lobular Carcinoma In Situ, or Increased Breast Cancer Risk",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Atypical Hyperplasia",
        "Breast Lobular Carcinoma in Situ",
        "Breast Atypical Lobular Hyperplasia",
        "Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        },
        {
          "name": "Topical 4-OHT( 4-hydroxytamoxifen)gel 4 mg/each breast/day",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "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": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 65,
      "start_date": "2021-07-26",
      "completion_date": "2024-10-15",
      "has_results": true,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "location_count": 3,
      "location_summary": "Evanston, Illinois • Rochester, Minnesota • Camden, New Jersey",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04570956"
    },
    {
      "nct_id": "NCT01909440",
      "title": "Resistance Training and Protein Supplementation for Prostate Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "exercise intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "nutritional supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 43,
      "start_date": "2013-07-08",
      "completion_date": "2018-08-07",
      "has_results": false,
      "last_update_posted_date": "2019-06-19",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01909440"
    },
    {
      "nct_id": "NCT03112668",
      "title": "Acceptance and Commitment Therapy in Improving Well-Being in Patients With Stage III-IV Cancer and Their Partners",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Female Reproductive System Neoplasm",
        "Malignant Hepatobiliary Neoplasm",
        "Partner",
        "Stage III Breast Cancer",
        "Stage III Cervical Cancer",
        "Stage III Colorectal Cancer",
        "Stage III Lung Cancer",
        "Stage III Prostate Cancer",
        "Stage III Skin Melanoma",
        "Stage III Uterine Corpus Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIA Cervical Cancer",
        "Stage IIIA Colorectal Cancer",
        "Stage IIIA Lung Carcinoma",
        "Stage IIIA Skin Melanoma",
        "Stage IIIA Uterine Corpus Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIB Cervical Cancer",
        "Stage IIIB Colorectal Cancer",
        "Stage IIIB Lung Carcinoma",
        "Stage IIIB Skin Melanoma",
        "Stage IIIB Uterine Corpus Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IIIC Colorectal Cancer",
        "Stage IIIC Skin Melanoma",
        "Stage IIIC Uterine Corpus Cancer",
        "Stage IV Breast Cancer",
        "Stage IV Cervical Cancer",
        "Stage IV Colorectal Cancer",
        "Stage IV Lung Cancer",
        "Stage IV Prostate Cancer",
        "Stage IV Skin Melanoma",
        "Stage IV Uterine Corpus Cancer",
        "Stage IVA Cervical Cancer",
        "Stage IVA Colorectal Cancer",
        "Stage IVA Uterine Corpus Cancer",
        "Stage IVB Cervical Cancer",
        "Stage IVB Colorectal Cancer",
        "Stage IVB Uterine Corpus Cancer"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavior Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2017-12-06",
      "completion_date": "2018-01-25",
      "has_results": false,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03112668"
    },
    {
      "nct_id": "NCT05222620",
      "title": "SRS Compared With FSRS for Treatment of Intact Metastatic Brain Disease, FRACTIONATE Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Brain",
        "Metastatic Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION",
        "PROCEDURE"
      ],
      "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": 90,
      "start_date": "2022-03-14",
      "completion_date": "2027-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "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/NCT05222620"
    },
    {
      "nct_id": "NCT06588660",
      "title": "ST-067 and Teclistamab for the Treatment of Relapsed or Refractory Multiple Myeloma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Multiple Myeloma",
        "Refractory Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Vevoctadekin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Teclistamab",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2024-12-18",
      "completion_date": "2025-02-14",
      "has_results": false,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06588660"
    },
    {
      "nct_id": "NCT04194918",
      "title": "Flexiquit+: Web Program to Promote Smoking Cessation in Sexual and Gender Minority Young Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Computer-Assisted Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Message",
          "type": "OTHER"
        },
        {
          "name": "Handout",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 25,
      "start_date": "2020-05-18",
      "completion_date": "2020-09-01",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04194918"
    },
    {
      "nct_id": "NCT04239976",
      "title": "Scrambler Therapy for the Reduction of Chemotherapy-Induced Neuropathic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chemotherapy-Induced Peripheral Neuropathy",
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "FitBit",
          "type": "DEVICE"
        },
        {
          "name": "Gait Assessment Test",
          "type": "OTHER"
        },
        {
          "name": "MC5-A Scrambler Therapy",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Quantitative Sensory Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "PROCEDURE"
      ],
      "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": 16,
      "start_date": "2019-04-04",
      "completion_date": "2022-03-18",
      "has_results": false,
      "last_update_posted_date": "2022-03-24",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239976"
    },
    {
      "nct_id": "NCT04251715",
      "title": "mFOLFIRINOX Followed by Hepatic Arterial Infusion of Floxuridine and Dexamethasone With Systemic mFOLFIRI for Unresectable Liver-dominant Intrahepatic Cholangiocarcinoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Liver and Intrahepatic Bile Duct Carcinoma",
        "Stage III Intrahepatic Cholangiocarcinoma AJCC v8",
        "Stage IIIA Intrahepatic Cholangiocarcinoma AJCC v8",
        "Stage IIIB Intrahepatic Cholangiocarcinoma AJCC v8",
        "Stage IV Intrahepatic Cholangiocarcinoma AJCC v8",
        "Unresectable Intrahepatic Cholangiocarcinoma"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Floxuridine",
          "type": "DRUG"
        },
        {
          "name": "Implanted Medical Device",
          "type": "DEVICE"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "OHSU Knight 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": 5,
      "start_date": "2021-04-28",
      "completion_date": "2024-03-20",
      "has_results": true,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04251715"
    },
    {
      "nct_id": "NCT06915168",
      "title": "CIPN Decision Aid for the Improvement of Chemotherapy Decision Making in Patients With Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "2024-11-13",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-11-03T01:13:59.070Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06915168"
    }
  ]
}