{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opt-out&page=2",
    "query": {
      "intervention": "Opt-out",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opt-out&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T10:19:20.732Z",
  "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": "NCT02416713",
      "title": "Way to Safety Cellphone Blocking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Teen Drivers",
        "Motor Vehicle Accident"
      ],
      "interventions": [
        {
          "name": "Cellcontrol DriveID",
          "type": "DEVICE"
        },
        {
          "name": "Education Only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "16 Years to 17 Years"
      },
      "enrollment_count": 35,
      "start_date": "2016-04-13",
      "completion_date": "2017-03-24",
      "has_results": true,
      "last_update_posted_date": "2019-02-28",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02416713"
    },
    {
      "nct_id": "NCT00066131",
      "title": "Obstetrics and Periodontal Therapy (OPT) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Periodontitis",
        "Infant, Premature"
      ],
      "interventions": [
        {
          "name": "Periodontal scaling and root planing",
          "type": "PROCEDURE"
        },
        {
          "name": "Scaling and root planing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "16 Years and older · Female only"
      },
      "enrollment_count": 823,
      "start_date": "2003-03",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2015-07-27",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00066131"
    },
    {
      "nct_id": "NCT02544880",
      "title": "PDE5 Inhibition Via Tadalafil to Enhance Anti-Tumor Mucin 1 (MUC1) Vaccine Efficacy in Patients With HNSCC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma",
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Tadalafil",
          "type": "DRUG"
        },
        {
          "name": "Anti-MUC1 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Anti-Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tadalafil Placebo",
          "type": "OTHER"
        },
        {
          "name": "Anti-MUC1 Vaccine Placebo",
          "type": "OTHER"
        },
        {
          "name": "Standard of Care Treatment",
          "type": "OTHER"
        },
        {
          "name": "Anti-Influenza Vaccine Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Donald T. Weed, MD, FACS",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2016-04-25",
      "completion_date": "2021-06-08",
      "has_results": false,
      "last_update_posted_date": "2021-06-15",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02544880"
    },
    {
      "nct_id": "NCT06789718",
      "title": "Impact of GABA Probiotic Lactiplantibacillus Plantarum Lp815 on Sleep Outcomes in Participants with Self-Reported Sleep Disturbance",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Insomnia (moderate)"
      ],
      "interventions": [
        {
          "name": "GABA Probiotic Lactiplantibacillus plantarum Lp815 (5 Billion cfu/dose)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Optional Sub-Study: Neurotransmitter Urine Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Verb Biotics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2024-11-04",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-23",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06789718"
    },
    {
      "nct_id": "NCT02284685",
      "title": "A Novel Intervention Promoting Eating Disorder Treatment Among College Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Eating Disorders"
      ],
      "interventions": [
        {
          "name": "Promoting Eating Disorder Treatment among College Students",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1149,
      "start_date": "2015-01",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-05-28",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 4,
      "location_summary": "Ann Arbor, Michigan • Annandale-on-Hudson, New York • Boone, North Carolina + 1 more",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Annandale-on-Hudson",
          "state": "New York"
        },
        {
          "city": "Boone",
          "state": "North Carolina"
        },
        {
          "city": "Erie",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02284685"
    },
    {
      "nct_id": "NCT03293771",
      "title": "Transgender Post-reassignment Urogynecologic Measures and Perceptions",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gender Identity Disorder of Adult",
        "Voiding Disorders",
        "Sexual Dysfunction"
      ],
      "interventions": [
        {
          "name": "Focus group interviews",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire packet",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "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": 200,
      "start_date": "2017-12-27",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-04-23",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03293771"
    },
    {
      "nct_id": "NCT03821103",
      "title": "Incentivizing Buprenorphine-Naloxone Initiation in Emergency Departments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral economic enhanced arm",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 104,
      "start_date": "2019-02-06",
      "completion_date": "2020-02-29",
      "has_results": false,
      "last_update_posted_date": "2020-03-17",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03821103"
    },
    {
      "nct_id": "NCT07729436",
      "title": "Healthy Options At Pantries (HOAP) Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Choice",
        "Implementation Science",
        "Food Insecurity",
        "Diet, Healthy",
        "Behavioral Economics"
      ],
      "interventions": [
        {
          "name": "Behavioral economics-based Healthy Options At Pantries (HOAP) digital nudge intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2026-08-01",
      "completion_date": "2029-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07729436"
    },
    {
      "nct_id": "NCT04869917",
      "title": "Behavioral Nudges for Diabetes Prevention (BEGIN) Trial in Primary Care",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes"
      ],
      "interventions": [
        {
          "name": "Decision Aid intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Messaging intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 960,
      "start_date": "2022-03-21",
      "completion_date": "2026-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04869917"
    },
    {
      "nct_id": "NCT04071795",
      "title": "Clinical Reminder Changes to Increase Smoking Cessation Treatment in Outpatient Psychiatry",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Opt-Out Reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Opt-In Reminder",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 140,
      "start_date": "2020-01-06",
      "completion_date": "2021-02-24",
      "has_results": true,
      "last_update_posted_date": "2023-04-28",
      "last_synced_at": "2026-09-04T10:19:20.732Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071795"
    }
  ]
}