{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clinical+Questionnaires",
    "query": {
      "intervention": "Clinical Questionnaires"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1178,
    "total_pages": 118,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clinical+Questionnaires&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T02:14:59.345Z",
  "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": "NCT06370143",
      "title": "A Study Collecting Health Information to Understand and Prevent Gastric Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastric Atrophy",
        "Gastric Intestinal Metaplasia",
        "Dysplasia",
        "Gastric Adenocarcinoma",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 3200,
      "start_date": "2024-04-11",
      "completion_date": "2036-04-11",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06370143"
    },
    {
      "nct_id": "NCT00919997",
      "title": "Human Papilloma Virus Infection in HIV-Positive Indian Men Who Have Sex With Men",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nonneoplastic Condition",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "DNA analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "fluorescence activated cell sorting",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "study of socioeconomic and demographic variables",
          "type": "OTHER"
        },
        {
          "name": "study of high risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 302,
      "start_date": "2009-07",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2015-10-05",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00919997"
    },
    {
      "nct_id": "NCT03482791",
      "title": "Proton Beam Therapy in the Treatment of Esophageal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Esophagus Cancer",
        "Esophageal Cancer",
        "Cancer of the Esophagus"
      ],
      "interventions": [
        {
          "name": "Proton beam therapy",
          "type": "RADIATION"
        },
        {
          "name": "Patient-Reported Outcome Measures",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "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": 22,
      "start_date": "2018-04-19",
      "completion_date": "2026-08-09",
      "has_results": true,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03482791"
    },
    {
      "nct_id": "NCT03036696",
      "title": "The BEACH Interview Study- Pregnant and Breastfeeding Mothers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric Obesity",
        "Recruitment"
      ],
      "interventions": [
        {
          "name": "Pregnant Mothers Interview",
          "type": "OTHER"
        },
        {
          "name": "Breastfeeding Mothers Interview",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 59,
      "start_date": "2017-09-07",
      "completion_date": "2019-08-09",
      "has_results": false,
      "last_update_posted_date": "2019-08-12",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03036696"
    },
    {
      "nct_id": "NCT06273917",
      "title": "Deprescribing Potentially Inappropriate Medications in the Emergency Department for Persons Living With Dementia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dementia"
      ],
      "interventions": [
        {
          "name": "PRIDE",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Institute on Aging (NIA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 300,
      "start_date": "2024-07-09",
      "completion_date": "2025-10-31",
      "has_results": true,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Lake Forest, Illinois • Palos Heights, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Lake Forest",
          "state": "Illinois"
        },
        {
          "city": "Palos Heights",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06273917"
    },
    {
      "nct_id": "NCT04684368",
      "title": "A Study of a New Way to Treat Children and Young Adults With a Brain Tumor Called NGGCT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Central Nervous System Nongerminomatous Germ Cell Tumor",
        "Choriocarcinoma",
        "Embryonal Carcinoma",
        "Immature Teratoma",
        "Malignant Teratoma",
        "Mixed Germ Cell Tumor",
        "Pineal Region Germ Cell Tumor",
        "Pineal Region Immature Teratoma",
        "Pineal Region Yolk Sac Tumor",
        "Suprasellar Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Mesna",
          "type": "DRUG"
        },
        {
          "name": "Pegfilgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Second-Look Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "3 Years to 29 Years"
      },
      "enrollment_count": 160,
      "start_date": "2021-07-13",
      "completion_date": "2029-12-21",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 152,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 120 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04684368"
    },
    {
      "nct_id": "NCT07158021",
      "title": "Leuprolide and Goserelin for Ovarian Function Suppression in Pre- or Peri-menopausal Women With Breast Cancer, OFS Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Metastatic Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Goserelin",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "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": 75,
      "start_date": "2026-01-22",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07158021"
    },
    {
      "nct_id": "NCT01432132",
      "title": "Mirror Grant - Toward an Understanding of Body Image Adaptation Following Surgical Treatment for Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire",
          "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": 25,
      "start_date": "2011-08-24",
      "completion_date": "2017-07-25",
      "has_results": false,
      "last_update_posted_date": "2017-08-04",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01432132"
    },
    {
      "nct_id": "NCT04398901",
      "title": "Neurodevelopmental Outcomes in ZIKV-Exposed Children",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Zika Virus",
        "Congenital Zika Syndrome",
        "Congenital Infection",
        "Child Development"
      ],
      "interventions": [
        {
          "name": "Neurodevelopmental assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "3 Years to 7 Years"
      },
      "enrollment_count": 204,
      "start_date": "2020-11-23",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04398901"
    },
    {
      "nct_id": "NCT00237679",
      "title": "Quantifying Effects of Treatment of Pediatric Dysphonia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Voice Disorders",
        "Gastroesophageal Reflux"
      ],
      "interventions": [
        {
          "name": "Neuromuscular Electrical Stimulation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Unstimulated",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "6 Years to 11 Years"
      },
      "enrollment_count": 31,
      "start_date": "2004-01",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2015-10-14",
      "last_synced_at": "2026-09-03T02:14:59.345Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00237679"
    }
  ]
}