{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=attention+placebo&page=4",
    "query": {
      "intervention": "attention placebo",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 777,
    "total_pages": 78,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=attention+placebo&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=attention+placebo&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T16:58:20.107Z",
  "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": "NCT02148783",
      "title": "Dopamine Receptor Imaging to Predict Response to Stimulant Therapy in Chronic TBI",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Uniformed Services University of the Health Sciences",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 11,
      "start_date": "2014-09",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-10-04",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02148783"
    },
    {
      "nct_id": "NCT01472991",
      "title": "Safety & Efficacy of TC-5619 in Adults With Inattentive-predominant Attention Deficit/Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "TC-5619-238 5mg",
          "type": "DRUG"
        },
        {
          "name": "TC-5619-238 25mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Targacept Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 250,
      "start_date": "2011-11",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2013-04-30",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 14,
      "location_summary": "Beverly Hills, California • National City, California • Colorado Springs, Colorado + 9 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01472991"
    },
    {
      "nct_id": "NCT00279409",
      "title": "Treatment of Children With ADHD Who do Not Fully Respond to Stimulants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Sugar pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 10,
      "start_date": "2006-07",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2020-06-19",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00279409"
    },
    {
      "nct_id": "NCT00824317",
      "title": "Stimulant Drug Treatment of Attention-Deficit Hyperactivity Disorder (AD/HD), Inattentive Type",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "7 Years to 13 Years"
      },
      "enrollment_count": 25,
      "start_date": "2001-10",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2009-01-16",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00824317"
    },
    {
      "nct_id": "NCT07772089",
      "title": "Acute Nicotine Gum and Tinnitus Loudness in Non-Smoking Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Tinnitus",
        "Chronic Subjective Tinnitus"
      ],
      "interventions": [
        {
          "name": "Nicotine polacrilex gum 4 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo gum",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 29,
      "start_date": "2026-03-25",
      "completion_date": "2026-08-03",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07772089"
    },
    {
      "nct_id": "NCT02822937",
      "title": "Sensitivity of Project: EVO Monitor Cognitive Measurements to Pharmacological Agents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Triazolam",
          "type": "DRUG"
        },
        {
          "name": "Project: EVO",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Akili Interactive Labs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "40 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2016-07",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2016-11-07",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02822937"
    },
    {
      "nct_id": "NCT01652872",
      "title": "Strategies Using Darbepoetin Alfa to Avoid Transfusions in Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia in Chronic Kidney Disease Patients Not on Dialysis"
      ],
      "interventions": [
        {
          "name": "Darbepoetin alfa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 756,
      "start_date": "2012-07-30",
      "completion_date": "2017-10-19",
      "has_results": true,
      "last_update_posted_date": "2022-09-21",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 243,
      "location_summary": "Anniston, Alabama • Birmingham, Alabama • Huntsville, Alabama + 198 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01652872"
    },
    {
      "nct_id": "NCT00158743",
      "title": "Efficacy Study of Digibind for Treatment of Severe Preeclampsia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pre-eclampsia"
      ],
      "interventions": [
        {
          "name": "Anti-digoxin antibody (FAB fragment)",
          "type": "DRUG"
        },
        {
          "name": "sodium chloride",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "BTG International Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 51,
      "start_date": "2004-02",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2014-08-08",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 8,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Orlando, Florida + 5 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00158743"
    },
    {
      "nct_id": "NCT04404348",
      "title": "Cognitive Rehabilitation for Opioid Abuse-related Cognitive Impairment",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Cognitive Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oklahoma State University Center for Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 50,
      "start_date": "2020-03-06",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2020-09-18",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04404348"
    },
    {
      "nct_id": "NCT00228046",
      "title": "Medication Strategies for Treating Aggressive Behavior in Youth With Attention Deficit Hyperactivity Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity",
        "Conduct Disorder",
        "Oppositional Defiant Disorder"
      ],
      "interventions": [
        {
          "name": "Divalproex Sodium",
          "type": "DRUG"
        },
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Dextroamphetamine",
          "type": "DRUG"
        },
        {
          "name": "Mixed Amphetamine Salts",
          "type": "DRUG"
        },
        {
          "name": "Family Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavior Management Training with Parents",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "6 Years to 14 Years"
      },
      "enrollment_count": 40,
      "start_date": "2004-01",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2013-10-31",
      "last_synced_at": "2026-10-05T16:58:20.107Z",
      "location_count": 2,
      "location_summary": "New Hyde Park, New York • Stony Brook, New York",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00228046"
    }
  ]
}