{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Survey+questionnaires",
    "query": {
      "intervention": "Survey questionnaires"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1700,
    "total_pages": 170,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Survey+questionnaires&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T23:29:39.843Z",
  "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": "NCT01914198",
      "title": "Revisiting Parental Survey for Screening for Obstructive Sleep Apnea in Patients Undergoing Polysomnography",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Sleep apnea symptom survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vidya Raman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "3 Years to 18 Years"
      },
      "enrollment_count": 948,
      "start_date": "2013-08",
      "completion_date": "2016-09-13",
      "has_results": false,
      "last_update_posted_date": "2018-01-05",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01914198"
    },
    {
      "nct_id": "NCT07588698",
      "title": "Epcoritamab in Combination With R-CHOP for Patients With Aggressive Non-Hodgkin Lymphoma",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-Hodgkin's B-cell Lymphoma",
        "Lymphoma Non-Hodgkin",
        "Diffuse Large B-Cell Lymphoma (DLBCL)"
      ],
      "interventions": [
        {
          "name": "Rituximab, Cyclophosphamide, Hydroxydaunorubicin, Oncovin, Prednisolone (R-CHOP)",
          "type": "DRUG"
        },
        {
          "name": "Epcoritamab",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography (PET)",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood specimen collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Computerized tomography (CT)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Carrie Ho, MD",
      "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": "2026-09-15",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07588698"
    },
    {
      "nct_id": "NCT04263233",
      "title": "Evaluation of the Optimal Transition Program",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ESRD",
        "Hemodialysis"
      ],
      "interventions": [
        {
          "name": "Analysis using descriptive statistics of patient clinical outcomes.",
          "type": "OTHER"
        },
        {
          "name": "Surveys with participants using validated survey tools.",
          "type": "OTHER"
        },
        {
          "name": "Evaluation of the program process including time, costs, referral rates, admission to the program and length of stay.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Satellite Healthcare",
      "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": "2020-01-29",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-22",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 3,
      "location_summary": "Oakland, California • Sacramento, California • Memphis, Tennessee",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04263233"
    },
    {
      "nct_id": "NCT00951249",
      "title": "Feasibility Study of a Multi-Component Intervention for Black Men Who Have Sex With Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Referral of Partners",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Screening for STIs and counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer health care system navigators",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "HIV Prevention Trials Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 1553,
      "start_date": "2009-07",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2022-08-26",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00951249"
    },
    {
      "nct_id": "NCT01950650",
      "title": "GAPP 1 Survey: Global Attitudes of Patients and Physicians in Insulin Therapy for Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes",
        "Diabetes Mellitus, Type 1",
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "No treatment given",
          "type": "BEHAVIORAL"
        },
        {
          "name": "survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1800,
      "start_date": "2010-03",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2017-04-27",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01950650"
    },
    {
      "nct_id": "NCT00353106",
      "title": "Experience of Having Chronic Graft-Versus-Host Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Graft-Versus-Host Disease"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 187,
      "start_date": "2006-02",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2012-07-30",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 2,
      "location_summary": "Buffalo, New York • Houston, Texas",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00353106"
    },
    {
      "nct_id": "NCT06771778",
      "title": "Advancing the Role of the Neonatal Registered Dietitian Nutritionist",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opinions of the Neonatal Registered Dietitian"
      ],
      "interventions": [
        {
          "name": "Survey using a questionnaire.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Florida International University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 253,
      "start_date": "2024-03-28",
      "completion_date": "2024-04-02",
      "has_results": false,
      "last_update_posted_date": "2025-01-15",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06771778"
    },
    {
      "nct_id": "NCT00207285",
      "title": "Sleep Disorders Management, Health and Safety in Police",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorders",
        "Sleep Apnea, Obstructive",
        "Restless Legs Syndrome",
        "Sleep Disorders, Circadian Rhythm",
        "Sleep Initiation and Maintenance Disorders"
      ],
      "interventions": [
        {
          "name": "Sleep Hygiene Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Screening and Treatment of Sleep Disorders",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 731,
      "start_date": "2005-05",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00207285"
    },
    {
      "nct_id": "NCT01927718",
      "title": "Thalidomide to Overcome Lenalidomide Resistance After Autologous Hematopoietic Stem Cell Transplantation (HCT)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myeloma"
      ],
      "interventions": [
        {
          "name": "Thalidomide",
          "type": "DRUG"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "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": 10,
      "start_date": "2014-01",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2019-04-29",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01927718"
    },
    {
      "nct_id": "NCT05013723",
      "title": "Impact of Monoclonal Antibody Treatment on Post-Acute COVID-19 Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Post-acute COVID-19 (PACS), or \"long COVID\" Syndrome"
      ],
      "interventions": [
        {
          "name": "Surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 260,
      "start_date": "2021-08-30",
      "completion_date": "2022-12-16",
      "has_results": false,
      "last_update_posted_date": "2024-11-07",
      "last_synced_at": "2026-09-03T23:29:39.843Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05013723"
    }
  ]
}