{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Symptom+Questionnaires&page=22",
    "query": {
      "intervention": "Symptom Questionnaires",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 795,
    "total_pages": 80,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Symptom+Questionnaires&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Symptom+Questionnaires&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T19:24:38.548Z",
  "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": "NCT06337825",
      "title": "Object Assessment of Improvement in Non-Specific Symptoms After Parathyroidectomy for Primary Hyperparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Hyperparathyroidism",
        "Multinodular Goiter"
      ],
      "interventions": [
        {
          "name": "Activity Tracker (Fitbit)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HbA1C",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "The PROMPT Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2022-07-19",
      "completion_date": "2024-06-29",
      "has_results": false,
      "last_update_posted_date": "2024-08-06",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06337825"
    },
    {
      "nct_id": "NCT04859829",
      "title": "Autoimmune Gastrointestinal Dysmotility: Symptoms, Pathogenesis and Treatment",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dysmotility Syndrome",
        "Autoimmunity"
      ],
      "interventions": [
        {
          "name": "Current Intravenous Immunoglobulin (IVIG) treatment",
          "type": "OTHER"
        },
        {
          "name": "No Intravenous Immunoglobulin (IVIG) treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2021-04-22",
      "completion_date": "2022-09-29",
      "has_results": false,
      "last_update_posted_date": "2023-03-13",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04859829"
    },
    {
      "nct_id": "NCT04428619",
      "title": "Percutaneous Electrical Nerve Field Stimulation for Adults With Irritable Bowel Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Irritable Bowel Syndrome",
        "Abdominal Pain",
        "Autonomic Nervous System Imbalance"
      ],
      "interventions": [
        {
          "name": "Peripheral Electrical Nerve Field Stimulation (PENFS) Device",
          "type": "DEVICE"
        },
        {
          "name": "Sham Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 15,
      "start_date": "2020-08-01",
      "completion_date": "2023-02-14",
      "has_results": true,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04428619"
    },
    {
      "nct_id": "NCT02483377",
      "title": "Patient Navigation and Tailored Treatment Planning in Latina Patients With Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "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": 13,
      "start_date": "2015-03-05",
      "completion_date": "2017-02-07",
      "has_results": false,
      "last_update_posted_date": "2017-04-20",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02483377"
    },
    {
      "nct_id": "NCT02990078",
      "title": "Non-invasive Measurement of Cerebrovascular Reactivity After Traumatic Brain Injury",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "TBI"
      ],
      "interventions": [
        {
          "name": "Sildenafil citrate",
          "type": "DRUG"
        },
        {
          "name": "Functional Near Infared Spectroscopy",
          "type": "DEVICE"
        },
        {
          "name": "Hypercapnia Challenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2016-12",
      "completion_date": "2022-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-10-13",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02990078"
    },
    {
      "nct_id": "NCT02221700",
      "title": "Massage Therapy in Reducing Chemotherapy-Induced Peripheral Neuropathy in Patients With Gastrointestinal or Breast Malignancies",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Breast Neoplasm",
        "Malignant Digestive System Neoplasm",
        "Peripheral Neuropathy"
      ],
      "interventions": [
        {
          "name": "Massage Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "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": 90,
      "start_date": "2015-04-09",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02221700"
    },
    {
      "nct_id": "NCT03269721",
      "title": "COPD-Related Physiology and the Brain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive (COPD)",
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Neuropsychological Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Spirometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Arterial Blood Gas",
          "type": "PROCEDURE"
        },
        {
          "name": "Diffusion Capacity of the Lung for Carbon Monoxide",
          "type": "PROCEDURE"
        },
        {
          "name": "6 Minute Walk Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Systemic Vascular Measures",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Biomarkers",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Symptom Questionnaire Measures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brain MRI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "DIAGNOSTIC_TEST",
        "BIOLOGICAL"
      ],
      "sponsor": "Karin Hoth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "30 Years to 85 Years"
      },
      "enrollment_count": 170,
      "start_date": "2017-05-01",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03269721"
    },
    {
      "nct_id": "NCT06721559",
      "title": "Empower@Home: Community Implementation for Older Adults With Ambulatory Disabilities",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Empower@Home: An online cognitive-behavioral therapy self-care program for geriatric depression",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone friendly visits",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2025-01-08",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06721559"
    },
    {
      "nct_id": "NCT05018208",
      "title": "Remote Monitoring in Cancer Care: A Platform Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Carcinoma",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Lung Carcinoma",
        "Malignant Digestive System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Computer-Assisted Intervention",
          "type": "OTHER"
        },
        {
          "name": "Patient Monitoring",
          "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": 100,
      "start_date": "2021-12-15",
      "completion_date": "2025-04-17",
      "has_results": false,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05018208"
    },
    {
      "nct_id": "NCT01123096",
      "title": "Is the Cough Stress Test Equivalent to the 24 Hour Pad Test in the Assessment of Stress Incontinence?",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stress Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "Cough Stress Test",
          "type": "PROCEDURE"
        },
        {
          "name": "24 Hour Pad Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of California, Irvine",
      "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": 60,
      "start_date": "2007-09",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2013-07-01",
      "last_synced_at": "2026-10-26T19:24:38.548Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01123096"
    }
  ]
}