{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=12",
    "query": {
      "intervention": "Study questionnaires",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 3597,
    "total_pages": 360,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T11:36:25.696Z",
  "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": "NCT00589654",
      "title": "Menstrual Cycle Maintenance and Quality of Life: A Prospective Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amenorrhea",
        "Menstrual Cycle",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 810,
      "start_date": "1997-12",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00589654"
    },
    {
      "nct_id": "NCT02444754",
      "title": "Attitudes and Knowledge Regarding Clinical Trials in Underserved Populations Receiving Care at the Comprehensive Cancer Center of Wake Forest University",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 267,
      "start_date": "2016-01",
      "completion_date": "2021-07-07",
      "has_results": false,
      "last_update_posted_date": "2023-09-08",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02444754"
    },
    {
      "nct_id": "NCT05634551",
      "title": "Perceptions on Expected Outcomes of Immunotherapy in Advanced Cancer Patients With Poor Performance Status",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interview",
          "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": 15,
      "start_date": "2023-02-09",
      "completion_date": "2024-08-02",
      "has_results": false,
      "last_update_posted_date": "2024-08-06",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05634551"
    },
    {
      "nct_id": "NCT05706766",
      "title": "Prehabilitation Exercise Training in Multiple Myeloma Patients Undergoing Autologous Stem Cell Transplantation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Myeloma",
        "Stem Cell Transplant Complications"
      ],
      "interventions": [
        {
          "name": "PARE",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Waitlist Control Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 30,
      "start_date": "2023-06-29",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05706766"
    },
    {
      "nct_id": "NCT06504459",
      "title": "Venetoclax in Combination With Cladribine and Cytarabine Alternating With Azacitidine Plus Venetoclax for the Treatment of Newly Diagnosed Monocytic AML and Active Signaling Mutated AML",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Monocytic Leukemia",
        "Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Azacitidine",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Cladribine",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "OHSU Knight 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": 40,
      "start_date": "2025-01-03",
      "completion_date": "2028-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Portland, Oregon",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06504459"
    },
    {
      "nct_id": "NCT01556256",
      "title": "Music Therapy Video Development in Improving Communication, Emotional Distress, and Recovery in Adolescents/Young Adults Undergoing Treatment for High-Risk Cancer and Their Parents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Caregiver-Related Intervention or Procedure",
          "type": "OTHER"
        },
        {
          "name": "Music Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "11 Years to 24 Years"
      },
      "enrollment_count": 124,
      "start_date": "2012-04-23",
      "completion_date": "2023-10-02",
      "has_results": false,
      "last_update_posted_date": "2023-10-10",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "location_count": 8,
      "location_summary": "Atlanta, Georgia • Indianapolis, Indiana • Minneapolis, Minnesota + 4 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01556256"
    },
    {
      "nct_id": "NCT01356251",
      "title": "Psychosocial Needs and Exploration of Online Support for Patients With Mesothelioma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mesothelioma"
      ],
      "interventions": [
        {
          "name": "Questionnaires & online virtual support group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 107,
      "start_date": "2011-05",
      "completion_date": "2023-02-06",
      "has_results": false,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01356251"
    },
    {
      "nct_id": "NCT05058729",
      "title": "MS PATHS COVID-19 Questionnaire Data Linkage Sub-Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis (MS)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1507,
      "start_date": "2020-12-07",
      "completion_date": "2021-10-08",
      "has_results": false,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "location_count": 6,
      "location_summary": "Baltimore, Maryland • St Louis, Missouri • Las Vegas, Nevada + 3 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05058729"
    },
    {
      "nct_id": "NCT03647891",
      "title": "Impact of Early Diagnosis and Treatment of OSA on Hospital Readmission in Hospitalized Cardiac Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "OSA",
        "Heart Failure",
        "Myocardial Infarction",
        "Arrhythmia, Cardiac"
      ],
      "interventions": [
        {
          "name": "Continuous Positive Airway Pressure",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2017-07",
      "completion_date": "2017-09-11",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "location_count": 1,
      "location_summary": "Fontana, California",
      "locations": [
        {
          "city": "Fontana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03647891"
    },
    {
      "nct_id": "NCT04697927",
      "title": "A Study of Risk Factors for the COVID-19 Virus Infection",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 Infections in Cancer Patients"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 389,
      "start_date": "2020-12-30",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-10-26T11:36:25.696Z",
      "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/NCT04697927"
    }
  ]
}