{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+Intervention.+This+is+a+cross-sectional+survey+study.",
    "query": {
      "intervention": "No Intervention. This is a cross-sectional survey study."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+Intervention.+This+is+a+cross-sectional+survey+study.&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T05:33:27.137Z",
  "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": "NCT01167608",
      "title": "Barriers to Mental Healthcare Utilization in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease",
        "Depression",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "No Intervention. This is a cross-sectional survey study.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "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": 883,
      "start_date": "2010-06",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 1,
      "location_summary": "Piscataway, New Jersey",
      "locations": [
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01167608"
    },
    {
      "nct_id": "NCT06208943",
      "title": "Neural and Cognitive Consequences of COVID-19 Survival",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID Long-Haul",
        "COVID-19",
        "COVID-19 Pandemic",
        "Brain Fog",
        "Memory Deficits",
        "Concentration Ability Impaired",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "cross-sectional MRI and EEG assessments (NO INTERVENTION)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "San Francisco Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 150,
      "start_date": "2021-10-01",
      "completion_date": "2025-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-04-12",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06208943"
    },
    {
      "nct_id": "NCT02832505",
      "title": "Applications of MRI in Kidney Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease",
        "End-stage Kidney Disease"
      ],
      "interventions": [
        {
          "name": "No intervention but only observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2025-10-30",
      "completion_date": "2028-08-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02832505"
    },
    {
      "nct_id": "NCT03209999",
      "title": "Maternal Employment in Low and Middle-income Countries and Infant Feeding",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Feeding Behavior",
        "Maternal Health"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "1 Month to 24 Months"
      },
      "enrollment_count": 39791,
      "start_date": "2017-01-01",
      "completion_date": "2017-07-01",
      "has_results": false,
      "last_update_posted_date": "2017-07-11",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03209999"
    },
    {
      "nct_id": "NCT00987831",
      "title": "Biomarkers of Lupus Disease: Serial Biomarker Sampling in Patients With Active Systemic Lupus Erythematosus (SLE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Group B SLE one blood donation",
          "type": "OTHER"
        },
        {
          "name": "Blood drawing only Group C",
          "type": "OTHER"
        },
        {
          "name": "Group A SLE prospective study",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Oklahoma Medical Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "14 Years to 70 Years"
      },
      "enrollment_count": 158,
      "start_date": "2009-05",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-10-20",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 2,
      "location_summary": "Oklahoma City, Oklahoma • Collegeville, Pennsylvania",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Collegeville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00987831"
    },
    {
      "nct_id": "NCT00442468",
      "title": "Airway Limitation Study: Study In Primary Care Centers Of Chronic Bronchitis In Long-Term Cigarette Smokers Of At Least 40 Years Of Age With Symptoms Of Cough And Shortness Of Breath",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Non-interventional study.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 1283,
      "start_date": "2007-04",
      "completion_date": "2007-09",
      "has_results": true,
      "last_update_posted_date": "2013-01-10",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 47,
      "location_summary": "Highlands Ranch, Colorado • Wheat Ridge, Colorado • Clearwater, Florida + 43 more",
      "locations": [
        {
          "city": "Highlands Ranch",
          "state": "Colorado"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Largo",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00442468"
    },
    {
      "nct_id": "NCT05639556",
      "title": "Strength and Muscle Related Outcomes for Nutrition and Lung Function in CF",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "BMI and lean mass index from DXA",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Anthropometric Measurements",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hand-grip strength",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Six-minute walk Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Sit-to-Stand Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Short physical performance battery (SPPB)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "BIA Sub-study",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Accelerometry to assess physical activity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Gastrointestinal (GI) and nutrition questionnaires:",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: PHQ-8",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: GAD-7",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: The Treatment Self-Regulation Questionnaire (TSRQ)",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: CF Fatalism Scale",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: Body Esteem Scale for Adolescents and Adults (BESAA)",
          "type": "OTHER"
        },
        {
          "name": "12-month Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Oral glucose tolerance testing (OGTT)",
          "type": "OTHER"
        },
        {
          "name": "Continuous glucose monitoring (CGM)",
          "type": "DEVICE"
        },
        {
          "name": "Chest CT scans (When available within the past 6 months in medical records)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hologic Dual X-Ray Absorptiometry (DXA)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ultrasound Sub-study of assessment of appendage muscles using ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Psychosocial questionnaire: Hunger Vital Sign questionnaire",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Respiratory symptom questionnaire: CRISS",
          "type": "OTHER"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Psychosocial questionnaire: Additional Health Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "CF Management Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Food Frequency Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER",
        "DEVICE"
      ],
      "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": 300,
      "start_date": "2023-04-20",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 23,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Atlanta, Georgia + 19 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05639556"
    },
    {
      "nct_id": "NCT04028921",
      "title": "Activity, Adiposity, and Appetite in Adolescents 2",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Metabolic Disease",
        "Insulin Sensitivity"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "14 Years to 17 Years"
      },
      "enrollment_count": 46,
      "start_date": "2022-01-03",
      "completion_date": "2024-06-30",
      "has_results": true,
      "last_update_posted_date": "2025-04-02",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04028921"
    },
    {
      "nct_id": "NCT04799665",
      "title": "Dedicated Breast CT for Quantitative Breast Density Measurements in Mexican-origin Women in Southern Arizona",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metabolic Syndrome",
        "Obesity Associated Disorder"
      ],
      "interventions": [
        {
          "name": "Breast CT",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 92,
      "start_date": "2022-04-28",
      "completion_date": "2024-05-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-21",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04799665"
    },
    {
      "nct_id": "NCT06080646",
      "title": "Reward Processing and Depressive Subtypes: Identifying Neural Biotypes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Depression",
        "Depressive Disorder",
        "Major Depressive Disorder",
        "Major Depressive Episode",
        "Depressive Symptoms",
        "Anhedonia"
      ],
      "interventions": [
        {
          "name": "cross-sectional MRI and EEG assessments (NO INTERVENTION)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "San Francisco Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 158,
      "start_date": "2021-06-01",
      "completion_date": "2025-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-10-10T05:33:27.137Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06080646"
    }
  ]
}