{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=surveys+completed+by+subject&page=2",
    "query": {
      "intervention": "surveys completed by subject",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 47,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=surveys+completed+by+subject&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=surveys+completed+by+subject&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T20:52:24.997Z",
  "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": "NCT01761643",
      "title": "CCTG 595: Text Messaging Intervention to Improve Adherence to PrEP in High-risk MSM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Patient Adherence",
        "HIV Seronegativity"
      ],
      "interventions": [
        {
          "name": "SoC + iTab",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 398,
      "start_date": "2012-12-19",
      "completion_date": "2018-07-11",
      "has_results": true,
      "last_update_posted_date": "2020-06-30",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 4,
      "location_summary": "Long Beach, California • Los Angeles, California • San Diego, California + 1 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01761643"
    },
    {
      "nct_id": "NCT04639973",
      "title": "Early Anatomy Scan for Evaluation of Obese Pregnant Women (EASE-O)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Group 1 (First trimester ultrasound)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Group 2 (Second trimester anatomy ultrasound)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 128,
      "start_date": "2021-02-01",
      "completion_date": "2022-11-21",
      "has_results": true,
      "last_update_posted_date": "2024-05-21",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04639973"
    },
    {
      "nct_id": "NCT06350916",
      "title": "Application to Improve Patient Engagement and Decrease Postoperative Opioid Consumption in Patients for Colorectal Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Surgery"
      ],
      "interventions": [
        {
          "name": "SeamlessMD® Mobile Application",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 75,
      "start_date": "2021-01-28",
      "completion_date": "2021-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06350916"
    },
    {
      "nct_id": "NCT05103618",
      "title": "Effect of Meditation and Controls and Subjects With Parkinson's Disease on Brain Activity Measured by fMRI With FDOPA",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease",
        "Idiopathic Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "[F-18] Fluorodopa Positron Emission Tomography",
          "type": "DRUG"
        },
        {
          "name": "OM Meditation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Andrew Newberg",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "25 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-07-08",
      "completion_date": "2025-07-21",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05103618"
    },
    {
      "nct_id": "NCT02836041",
      "title": "Sleep in Hospitalized Children at MSKCC",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric Cancer Patients"
      ],
      "interventions": [
        {
          "name": "questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "actigraph",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Months",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "0 Months to 18 Years"
      },
      "enrollment_count": 66,
      "start_date": "2016-07-07",
      "completion_date": "2021-05-26",
      "has_results": false,
      "last_update_posted_date": "2021-05-28",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02836041"
    },
    {
      "nct_id": "NCT01572207",
      "title": "Promoting Physical Activity Behavior in Persons With Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Immediate exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Delayed exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Case Western Reserve University",
      "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": 30,
      "start_date": "2011-07",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2022-01-05",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01572207"
    },
    {
      "nct_id": "NCT05836103",
      "title": "Testing the Impact of Smartphone-based Messaging to Support Young Adult Smoking Cessation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Smartphone-based intervention messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 160,
      "start_date": "2024-10-22",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05836103"
    },
    {
      "nct_id": "NCT02904473",
      "title": "Goals for Reaching Optimum Wellness (GROWell)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnant Women"
      ],
      "interventions": [
        {
          "name": "GROWell",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 34,
      "start_date": "2016-11",
      "completion_date": "2019-08",
      "has_results": false,
      "last_update_posted_date": "2019-08-15",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02904473"
    },
    {
      "nct_id": "NCT04900285",
      "title": "Pilot Study for Feasibility of Using an Oral Appliance for Decreasing Snoring",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Snoring"
      ],
      "interventions": [
        {
          "name": "Delta Dental Oral Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Norton Healthcare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-06-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-06",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04900285"
    },
    {
      "nct_id": "NCT06915428",
      "title": "Personalized Care for Prenatal Stress Reduction & Prevention of Preterm Birth (PTB) Disparities",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preterm Birth Complication",
        "Preterm Birth",
        "Preterm Birth Recurrence",
        "Preeclampsia",
        "Preeclampsia (PE)",
        "Hypertensive Disorders of Pregnancy",
        "Support Program",
        "Stress",
        "Resilience, Psychological",
        "Empowerment, Patient",
        "Emotional Stress",
        "Pregnancy",
        "Pregnancy Complications",
        "Pregnancy Induced Hypertension",
        "Neonates and Preterm Infants",
        "Cervical Insufficiency",
        "Social Determinants of Health (SDOH)",
        "Cervical Shortening",
        "Disparities in Pregnancy Complications",
        "Disparities",
        "Prenatal Care",
        "Care Coordination"
      ],
      "interventions": [
        {
          "name": "Care coordination",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Electronic massage",
          "type": "BEHAVIORAL"
        },
        {
          "name": "support gift #1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support gift #2",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support gift #3",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support gift #4",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Additional PTBCARE+ support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stress reduction toolkit - Visit 1 (V1)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PTBCARE+ mobile application (app) and website",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep, meditation, and Wellness app",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Emergency low blood sugar kit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low dose aspirin (LDA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visit #2 Stress Reduction Toolkit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 1228,
      "start_date": "2026-10-01",
      "completion_date": "2029-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-05T20:52:24.997Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06915428"
    }
  ]
}