{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionaire",
    "query": {
      "intervention": "Questionaire"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 22,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionaire&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T15:53:08.349Z",
  "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": "NCT00142506",
      "title": "Study of Sildenafil Citrate During and After Radiotherapy/Hormone Therapy for Erectile Function Versus Radiotherapy/Hormone Therapy for Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer",
        "Erectile Dysfunction"
      ],
      "interventions": [
        {
          "name": "sildenafil citrate and questionaires",
          "type": "DRUG"
        },
        {
          "name": "placebo tablets and questionaires",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 290,
      "start_date": "2005-02",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2017-10-20",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 5,
      "location_summary": "Basking Ridge, New Jersey • Commack, New York • New York, New York + 2 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rockville Centre",
          "state": "New York"
        },
        {
          "city": "Sleepy Hollow",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00142506"
    },
    {
      "nct_id": "NCT03092843",
      "title": "Functional Capacity and Quality of Life Following Septal Myectomy in Patients With HCM",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertrophic Cardiomyopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 177,
      "start_date": "2017-03-20",
      "completion_date": "2023-03-30",
      "has_results": false,
      "last_update_posted_date": "2023-08-07",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03092843"
    },
    {
      "nct_id": "NCT05629065",
      "title": "Pathways to Advance Targeted and Helpful Serious Illness Conversations (PATH-SIC)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Gastrointestinal Cancer",
        "Gynecologic Cancer",
        "Thoracic Cancer",
        "Genitourinary Cancer"
      ],
      "interventions": [
        {
          "name": "Clinician Nudge Email",
          "type": "OTHER"
        },
        {
          "name": "Patient Nudge Letter and Share questionaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 800,
      "start_date": "2022-11-28",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05629065"
    },
    {
      "nct_id": "NCT02321735",
      "title": "DOD Long-Term Survivors of Ovarian Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Quality of life questionaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 400,
      "start_date": "2014-09",
      "completion_date": "2019-09",
      "has_results": false,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02321735"
    },
    {
      "nct_id": "NCT04846387",
      "title": "Mapping of the Human Brainstem During Continence and Micturition: Noninvasive 7-T fMRI Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Post-Void Residual",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Uroflowmetry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Questionaire - AUA Symptom Score",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-01-18",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04846387"
    },
    {
      "nct_id": "NCT01997515",
      "title": "Ketamine Effect After Laparoscopic Gastric Reduction: A Randomized, Double-Blinded, Placebo Controlled Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain",
        "Obesity",
        "Hypoxia"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 80,
      "start_date": "2013-11",
      "completion_date": "2019-08-22",
      "has_results": true,
      "last_update_posted_date": "2019-10-07",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01997515"
    },
    {
      "nct_id": "NCT00597636",
      "title": "Genetic Susceptibility to Lung Cancer in Never Smokers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Questionaire, Blood sample",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 238,
      "start_date": "2005-06",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00597636"
    },
    {
      "nct_id": "NCT03436381",
      "title": "Can Sleep Apnea Screening Questionnaire Predict Adverse Events in Endoscopic Studies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Apnea",
        "Adverse Event"
      ],
      "interventions": [
        {
          "name": "Questionaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 350,
      "start_date": "2018-02-09",
      "completion_date": "2021-12-18",
      "has_results": false,
      "last_update_posted_date": "2025-10-22",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 1,
      "location_summary": "Weston, Florida",
      "locations": [
        {
          "city": "Weston",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03436381"
    },
    {
      "nct_id": "NCT02514265",
      "title": "Trans-MAPP Symptom Patterns Study (SPS)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Interstitial Cystitis",
        "Chronic Prostatitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 640,
      "start_date": "2015-07-01",
      "completion_date": "2020-06",
      "has_results": false,
      "last_update_posted_date": "2020-07-09",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Chicago, Illinois • Iowa City, Iowa + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02514265"
    },
    {
      "nct_id": "NCT00588705",
      "title": "The Communication of Genetic Risk to Adolescent Daughters of Women With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Counseling"
      ],
      "interventions": [
        {
          "name": "focus group & questionaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "20 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 20 Years · Female only"
      },
      "enrollment_count": 27,
      "start_date": "2007-12",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-30",
      "last_synced_at": "2026-09-06T15:53:08.349Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00588705"
    }
  ]
}