{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=56",
    "query": {
      "intervention": "Study questionnaires",
      "page": 56
    },
    "page_size": 10
  },
  "pagination": {
    "page": 56,
    "page_size": 10,
    "total_count": 3603,
    "total_pages": 361,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=57&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=55&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T18:58:53.330Z",
  "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": "NCT06369740",
      "title": "Case and Use Scenario Study to Gain Knowledge on the User Needs for a Medical Device for Hemophilia a Monitoring",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia a"
      ],
      "interventions": [
        {
          "name": "Case scenarios - questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Case scenarios - Focus groups",
          "type": "OTHER"
        },
        {
          "name": "Use scenarios - Usability test",
          "type": "OTHER"
        },
        {
          "name": "Use scenarios - interview",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Enzyre B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2024-08-22",
      "completion_date": "2024-08-25",
      "has_results": false,
      "last_update_posted_date": "2024-10-29",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06369740"
    },
    {
      "nct_id": "NCT06198010",
      "title": "A Collaborative Intervention for Improving Cancer Pain Management in Cancer Survivors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic and Lymphoid System Neoplasm",
        "Malignant Solid Neoplasm",
        "Hematopoietic and Lymphatic System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Health Telemonitoring",
          "type": "PROCEDURE"
        },
        {
          "name": "Cancer Pain Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "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": 680,
      "start_date": "2024-02-07",
      "completion_date": "2027-03-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-29",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06198010"
    },
    {
      "nct_id": "NCT07407777",
      "title": "Evaluation of Gut-Related Well-Being and Mood Effects of a Daily Nutritional Food Ingredient From the Co-Fermentation of Fungal Mycelium (Pleurotus Pulmonarius) and Microalgae (Chlorella Vulgaris)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastrointestinal Discomfort",
        "Digestive Well Being",
        "Gut-related Symptoms"
      ],
      "interventions": [
        {
          "name": "Food ingredient of oyster mushroom mycelium (Pleurotus pulmonarius) and microalgae (Chlorella vulgaris)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Koralo GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2026-01-19",
      "completion_date": "2026-05-19",
      "has_results": false,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07407777"
    },
    {
      "nct_id": "NCT02150057",
      "title": "Efficacy Study of an Unloading Brace for Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Breg Fusion Unloading Brace",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Andrews Research & Education Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 51,
      "start_date": "2010-02",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2019-10-22",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 1,
      "location_summary": "Gulf Breeze, Florida",
      "locations": [
        {
          "city": "Gulf Breeze",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02150057"
    },
    {
      "nct_id": "NCT00341757",
      "title": "Family Health Study (Validation of a Family History of Cancer Questionnaire for Risk Factor Surveillance)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 5190,
      "start_date": "2000-09-12",
      "completion_date": "2011-07-07",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00341757"
    },
    {
      "nct_id": "NCT06500377",
      "title": "Comparing the Impact of Four Types of Meditation Practices for Relaxation in Cancer Survivors",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Meditation Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "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": 44,
      "start_date": "2024-08-14",
      "completion_date": "2027-03-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 2,
      "location_summary": "Duarte, California • Irvine, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06500377"
    },
    {
      "nct_id": "NCT06463977",
      "title": "Using Surveys to Examine the Association of Exposure to ML Mortality Risk Predictions With Medical Oncologists' Prognostic Accuracy and Decision-making",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oncology"
      ],
      "interventions": [
        {
          "name": "Survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 52,
      "start_date": "2023-03-13",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-21",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06463977"
    },
    {
      "nct_id": "NCT01925768",
      "title": "Safety and Efficacy Study of Apremilast to Treat Psoriatic Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Psoriatic Arthritis"
      ],
      "interventions": [
        {
          "name": "Apremilast 30 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 219,
      "start_date": "2013-09-04",
      "completion_date": "2016-11-17",
      "has_results": true,
      "last_update_posted_date": "2020-05-12",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Palm Desert, California • Brandon, Florida + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palm Desert",
          "state": "California"
        },
        {
          "city": "Brandon",
          "state": "Florida"
        },
        {
          "city": "Brandon",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01925768"
    },
    {
      "nct_id": "NCT03482791",
      "title": "Proton Beam Therapy in the Treatment of Esophageal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Esophagus Cancer",
        "Esophageal Cancer",
        "Cancer of the Esophagus"
      ],
      "interventions": [
        {
          "name": "Proton beam therapy",
          "type": "RADIATION"
        },
        {
          "name": "Patient-Reported Outcome Measures",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2018-04-19",
      "completion_date": "2026-09-09",
      "has_results": true,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03482791"
    },
    {
      "nct_id": "NCT02472561",
      "title": "Verizon mHealth Solution for Patients With Peripheral Artery Disease (PAD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Artery Disease"
      ],
      "interventions": [
        {
          "name": "Fitbit Physical Activity Monitor",
          "type": "OTHER"
        },
        {
          "name": "mHealth Glucometer",
          "type": "OTHER"
        },
        {
          "name": "mHealth Blood Pressure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2015-07",
      "completion_date": "2017-11-07",
      "has_results": false,
      "last_update_posted_date": "2018-02-05",
      "last_synced_at": "2026-11-03T18:58:53.330Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02472561"
    }
  ]
}