{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire&page=42",
    "query": {
      "intervention": "Questionnaire",
      "page": 42
    },
    "page_size": 10
  },
  "pagination": {
    "page": 42,
    "page_size": 10,
    "total_count": 5465,
    "total_pages": 547,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire&page=43&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire&page=41&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T20:18:48.271Z",
  "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": "NCT06583408",
      "title": "The REgistry of Very Early Estrogen and AnovuLation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypothalamic Amenorrhea, Functional",
        "Hypothalamic Amenorrhea",
        "Functional Hypogonadotropic Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Automated Self-Administered 24-hour Dietary Assessment Tool (ASA24)",
          "type": "OTHER"
        },
        {
          "name": "REVEAL Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 100000,
      "start_date": "2024-07-01",
      "completion_date": "2029-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 2,
      "location_summary": "Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06583408"
    },
    {
      "nct_id": "NCT07645391",
      "title": "Targeted Early Detection Program in Men at High Genetic Risk for Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "35 Years to 70 Years · Male only"
      },
      "enrollment_count": 200,
      "start_date": "2017-01-01",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07645391"
    },
    {
      "nct_id": "NCT01290224",
      "title": "MC5-A Scrambler Therapy in Reducing Peripheral Neuropathy Caused by Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain",
        "Peripheral Neuropathy"
      ],
      "interventions": [
        {
          "name": "scrambler therapy",
          "type": "OTHER"
        },
        {
          "name": "sham intervention",
          "type": "PROCEDURE"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 10,
      "start_date": "2011-02",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2014-03-05",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01290224"
    },
    {
      "nct_id": "NCT06122896",
      "title": "Prospective Screening for Pancreatic Ductal Adenocarcinoma in High-Risk Individuals",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pancreatic Cancer",
        "Pancreatic Ductal Adenocarcinoma",
        "PDAC",
        "PDAC - Pancreatic Ductal Adenocarcinoma",
        "Pancreatic Neoplasm"
      ],
      "interventions": [
        {
          "name": "Screening Blood Tests",
          "type": "OTHER"
        },
        {
          "name": "Endoscopic Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Magnetic Resonance Cholangiopancreatography",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2023-11-21",
      "completion_date": "2041-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06122896"
    },
    {
      "nct_id": "NCT00165438",
      "title": "Pulmonary Function in Patients With Hodgkin's Disease Receiving Bleomycin-Based Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hodgkin's Disease"
      ],
      "interventions": [
        {
          "name": "Pulmonary Function Tests",
          "type": "PROCEDURE"
        },
        {
          "name": "CAT Scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Dana-Farber 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": "2001-10",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2012-12-20",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00165438"
    },
    {
      "nct_id": "NCT02633748",
      "title": "Mindfulness Intervention to Improve Symptomology Among Cancer Survivors; Focus on Sleep and Stress Improvement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer Sequelae"
      ],
      "interventions": [
        {
          "name": "Mindfulness-Based Cancer Survivorship",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Prisma Health-Upstate",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2015-09",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-10-10",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 1,
      "location_summary": "Greenville, South Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02633748"
    },
    {
      "nct_id": "NCT01015326",
      "title": "Development of Dermatology-related Quality of Life Assessment in Patients Treated With Epidermal Growth Factor Receptor (EGFR) Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Skin Toxicities"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2006-07",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2015-01-05",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01015326"
    },
    {
      "nct_id": "NCT01899508",
      "title": "Virtual Reality for Osteoarthritis Knee Pain Pilot",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Virtual Reality Training Session",
          "type": "PROCEDURE"
        },
        {
          "name": "3D viewer with iPod Touch/iPhone (or similar smartphone)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 4,
      "start_date": "2015-01",
      "completion_date": "2015-08-17",
      "has_results": false,
      "last_update_posted_date": "2023-08-07",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01899508"
    },
    {
      "nct_id": "NCT02086578",
      "title": "Study Assessing the Potential for Reduced Rates of Implant Failure Using Multi-Beam Intensity-Modulated Radiation Therapy for Locally Advanced Breast Cancer Patients With Implant Reconstructions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Breast MRI",
          "type": "DEVICE"
        },
        {
          "name": "Breast-Q© questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multi-Beam IMRT",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 100,
      "start_date": "2014-03-11",
      "completion_date": "2024-09-13",
      "has_results": true,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Commack, New York + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02086578"
    },
    {
      "nct_id": "NCT04765358",
      "title": "Virtual Diabetes Specialty Clinic: A Study Evaluating Remote Initiation of Continuous Glucose Monitoring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Virtual Clinic",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 235,
      "start_date": "2020-08-24",
      "completion_date": "2022-12-22",
      "has_results": true,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-10-19T20:18:48.271Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04765358"
    }
  ]
}