{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CTN+SR",
    "query": {
      "intervention": "CTN SR"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T14:57:00.280Z",
  "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": "NCT07465731",
      "title": "A Trial to Compare the Amount of Centanafadine That Enters the Bloodstream for Two Different Formulations of Centanafadine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Centanafadine SR",
          "type": "DRUG"
        },
        {
          "name": "Centanafadine QD XR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 62,
      "start_date": "2022-10-27",
      "completion_date": "2023-03-26",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-09-02T14:57:00.280Z",
      "location_count": 1,
      "location_summary": "Lenexa, Kansas",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07465731"
    },
    {
      "nct_id": "NCT04934670",
      "title": "A Study to Compare T-Guard vs Ruxolitinib for Treatment of Steroid-Refractory Acute Graft-vs-Host Disease (BMT CTN 2002)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Steroid-Refractory Acute Graft Versus Host Disease"
      ],
      "interventions": [
        {
          "name": "T-Guard",
          "type": "DRUG"
        },
        {
          "name": "Ruxolitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Xenikos",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2022-06-16",
      "completion_date": "2023-01-19",
      "has_results": true,
      "last_update_posted_date": "2024-08-27",
      "last_synced_at": "2026-09-02T14:57:00.280Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Duarte, California • Tampa, Florida + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04934670"
    },
    {
      "nct_id": "NCT07253441",
      "title": "A Trial to Characterize Differences in Blood Levels of Different Lots of Centanafadine QD XR and to Understand the Effect of Food on Blood Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity"
      ],
      "interventions": [
        {
          "name": "CTN XR (TBM)",
          "type": "DRUG"
        },
        {
          "name": "CTN SR",
          "type": "DRUG"
        },
        {
          "name": "CTN XR (Clin)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 174,
      "start_date": "2024-08-29",
      "completion_date": "2024-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-09-02T14:57:00.280Z",
      "location_count": 2,
      "location_summary": "Lenexa, Kansas • Millcreek, Utah",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Millcreek",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07253441"
    },
    {
      "nct_id": "NCT02547428",
      "title": "Safety and Efficacy Study of Centanafadine Sustained-Release (CTN SR) in Adults With Attention-Deficit Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity"
      ],
      "interventions": [
        {
          "name": "CTN SR",
          "type": "DRUG"
        },
        {
          "name": "Matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 85,
      "start_date": "2015-08-03",
      "completion_date": "2016-06-04",
      "has_results": true,
      "last_update_posted_date": "2021-11-11",
      "last_synced_at": "2026-09-02T14:57:00.280Z",
      "location_count": 4,
      "location_summary": "Newport Beach, California • Bradenton, Florida • Maitland, Florida + 1 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02547428"
    },
    {
      "nct_id": "NCT01939353",
      "title": "Study of Flexible Doses of the Triple Reuptake Inhibitor EB-1020 Sustained Release (SR) in the Treatment of Adult Males With Attention-Deficit Hyperactivity Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adult ADHD"
      ],
      "interventions": [
        {
          "name": "CTN SR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 45,
      "start_date": "2013-10-03",
      "completion_date": "2014-02-20",
      "has_results": true,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-09-02T14:57:00.280Z",
      "location_count": 3,
      "location_summary": "Bradenton, Florida • Maitland, Florida • Las Vegas, Nevada",
      "locations": [
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01939353"
    }
  ]
}