{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire-data+collection&page=8",
    "query": {
      "intervention": "Questionnaire-data collection",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 1504,
    "total_pages": 151,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire-data+collection&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire-data+collection&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T10:13:17.644Z",
  "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": "NCT07373496",
      "title": "Patient Position Monitoring System for Beam Gated Radiation Therapy of Malignancies of the Chest and Upper Abdomen",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Radiotherapy",
        "Radiotherapy, Image-Guided"
      ],
      "interventions": [
        {
          "name": "Patient Position Monitoring System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 20,
      "start_date": "2026-05-20",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07373496"
    },
    {
      "nct_id": "NCT01184651",
      "title": "Tweens to Teens Project at Penn State",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Adrenal Hyperplasia"
      ],
      "interventions": [
        {
          "name": "Questionnaires/Interviews",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "13 Years",
        "sex": "FEMALE",
        "summary": "10 Years to 13 Years · Female only"
      },
      "enrollment_count": 188,
      "start_date": "2009-08",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2018-01-08",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01184651"
    },
    {
      "nct_id": "NCT03002324",
      "title": "Tailoring of Vaccine-Focused Messages: Disease Salience",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus"
      ],
      "interventions": [
        {
          "name": "Baseline Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Current CDC Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cervical Cancer Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Post-Intervention Survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1320,
      "start_date": "2017-01",
      "completion_date": "2017-05-01",
      "has_results": false,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03002324"
    },
    {
      "nct_id": "NCT00384696",
      "title": "Risk Perception Among Quitting Smokers",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement Therapy",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 220,
      "start_date": "2006-02-10",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-05-24",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00384696"
    },
    {
      "nct_id": "NCT00799162",
      "title": "Prediction of Post-Cesarean Section Pain",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Psychophysical testing, questionnaires, and genetics",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 800,
      "start_date": "2008-11",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2011-09-26",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 2,
      "location_summary": "Stanford, California • Seattle, Washington",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00799162"
    },
    {
      "nct_id": "NCT06926062",
      "title": "Interpersonal Communication Training and Vaccination Workflow Training Alone and in Combination to Improve Communication and Recommendations About HPV Vaccination in Pharmacies, IMPACT HPV Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Training and Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaccination",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson 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": 1900,
      "start_date": "2026-10-15",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 2,
      "location_summary": "University Park, Pennsylvania • Seattle, Washington",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06926062"
    },
    {
      "nct_id": "NCT02422329",
      "title": "Changes in Patient Reported Constipation Among Advanced Cancer Patients After Receiving an Educational Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Advanced Cancers"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fact Sheet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "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": 59,
      "start_date": "2015-04-30",
      "completion_date": "2018-03-07",
      "has_results": false,
      "last_update_posted_date": "2018-03-22",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02422329"
    },
    {
      "nct_id": "NCT00501761",
      "title": "Physical Activity After Endometrial Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "Personalized Exercise Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Suggested Exercise Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 326,
      "start_date": "2005-05",
      "completion_date": "2025-05",
      "has_results": false,
      "last_update_posted_date": "2020-12-31",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00501761"
    },
    {
      "nct_id": "NCT07440641",
      "title": "RE-FIT (Remote Exercise for Physical Function in WTC Responders With Prostate Cancer)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Remote Supervised Exercise Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "55 Years and older · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2026-06-01",
      "completion_date": "2035-01-20",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07440641"
    },
    {
      "nct_id": "NCT03002870",
      "title": "Characteristics of Patient Population With Endometriosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometriosis"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "13 Years to 55 Years · Female only"
      },
      "enrollment_count": 1100,
      "start_date": "2016-09",
      "completion_date": "2024-09-04",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-18T10:13:17.644Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03002870"
    }
  ]
}