{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Concentration&page=2",
    "query": {
      "condition": "Concentration",
      "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?condition=Concentration&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T09:50:38.202Z",
  "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": "NCT05916339",
      "title": "AWARE: Management of ADHD in Autism Spectrum Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "ADHD",
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Randomization to either Amphetamine (AMP) class of stimulant medication or Methylphenidate (MPH) class of stimulant medication",
          "type": "DRUG"
        },
        {
          "name": "Randomization to either Alpha 2 agonist class of medication or alternate class of stimulant.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daniel Coury",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 500,
      "start_date": "2023-10-01",
      "completion_date": "2027-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 10,
      "location_summary": "Irvine, California • Los Angeles, California • Portland, Maine + 7 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Portland",
          "state": "Maine"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05916339"
    },
    {
      "nct_id": "NCT03533556",
      "title": "Effects of L-theanine and Caffeine on Attention and Attention-related Brain Activity of Children With Attention Deficit Hyperactivity Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "L-theanine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Caffeine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "L-theanine-Caffeine Combination",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Texas Tech University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "MALE",
        "summary": "8 Years to 17 Years · Male only"
      },
      "enrollment_count": 6,
      "start_date": "2018-05-14",
      "completion_date": "2018-08-31",
      "has_results": false,
      "last_update_posted_date": "2019-04-12",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03533556"
    },
    {
      "nct_id": "NCT01048944",
      "title": "Nicotine Replacement Therapy (NRT) and Bupropion Mechanisms of Effectiveness in Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Bupropion SR",
          "type": "DRUG"
        },
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch and Placebo Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Southern Illinois University Carbondale",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 197,
      "start_date": "2005-06",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2014-11-25",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 1,
      "location_summary": "Carbondale, Illinois",
      "locations": [
        {
          "city": "Carbondale",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01048944"
    },
    {
      "nct_id": "NCT00451919",
      "title": "The Link Between Anemia and Deficits in Memory and Attention in Individuals With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2006-07",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2016-08-19",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00451919"
    },
    {
      "nct_id": "NCT00632619",
      "title": "Group-Based Behavioral Therapy Combined With Stimulant Medication for Treating Children With Attention Deficit Hyperactivity Disorder and Impaired Mood",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity"
      ],
      "interventions": [
        {
          "name": "Group-based behavior therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stimulant medication therapy",
          "type": "DRUG"
        },
        {
          "name": "Community-based psychosocial treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Florida International University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "7 Years to 11 Years"
      },
      "enrollment_count": 68,
      "start_date": "2009-03",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2013-05-21",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00632619"
    },
    {
      "nct_id": "NCT07490756",
      "title": "Methods of Assessing Sweat-Electrolyte Testing (MAST)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sweat Sodium Concentration"
      ],
      "interventions": [
        {
          "name": "Wearing the hDrop hydration sensor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Arkansas, Fayetteville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-03-07",
      "completion_date": "2026-02-13",
      "has_results": false,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07490756"
    },
    {
      "nct_id": "NCT01203683",
      "title": "Testing the Effectiveness of a Computer-based Program for Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Active computer-based training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Inert computer training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 53,
      "start_date": "2011-01",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2013-10-10",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01203683"
    },
    {
      "nct_id": "NCT02777931",
      "title": "Efficacy and Safety of NFC-1 in Adolescents With Genetic Disorders Impacting mGluR and ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity"
      ],
      "interventions": [
        {
          "name": "NFC-1",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aevi Genomic Medicine, LLC, a Cerecor company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 101,
      "start_date": "2016-06",
      "completion_date": "2017-02-17",
      "has_results": true,
      "last_update_posted_date": "2021-08-11",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02777931"
    },
    {
      "nct_id": "NCT04109027",
      "title": "Strengthening Neuro-Cognitive Skills for Success in School, Work and Beyond",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "TBI",
        "Cognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "BrainStrong-GSR",
          "type": "BEHAVIORAL"
        },
        {
          "name": "BrainStrong-OPT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 120,
      "start_date": "2024-06-10",
      "completion_date": "2026-05-25",
      "has_results": false,
      "last_update_posted_date": "2025-11-17",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04109027"
    },
    {
      "nct_id": "NCT04108273",
      "title": "Brain Plasticity Underlying Acquisition of New Organizational Skills in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ADHD",
        "Attention Deficit Hyperactivity Disorder",
        "Neurodevelopmental Disorders"
      ],
      "interventions": [
        {
          "name": "Organizational Skills Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "8 Years to 12 Years"
      },
      "enrollment_count": 59,
      "start_date": "2019-10-01",
      "completion_date": "2023-08-01",
      "has_results": true,
      "last_update_posted_date": "2024-08-01",
      "last_synced_at": "2026-06-26T09:50:38.202Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04108273"
    }
  ]
}