{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=BI+409306",
    "query": {
      "intervention": "BI 409306"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T09:35:17.453Z",
  "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": "NCT03230097",
      "title": "This Study Tests Whether BI 409306 Prevents Patients With a Specific Type of Mental Illness (Attenuated Psychosis Syndrome) From Becoming Worse. This Study Looks at How Well Patients Tolerate the Medicine and How Effective it is Over 1 Year",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Psychotic Disorders"
      ],
      "interventions": [
        {
          "name": "BI 409306",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "16 Years to 30 Years"
      },
      "enrollment_count": 50,
      "start_date": "2017-09-29",
      "completion_date": "2021-04-07",
      "has_results": true,
      "last_update_posted_date": "2025-05-14",
      "last_synced_at": "2026-09-07T09:35:17.453Z",
      "location_count": 23,
      "location_summary": "Culver City, California • San Diego, California • New Haven, Connecticut + 19 more",
      "locations": [
        {
          "city": "Culver City",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Orange City",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03230097"
    },
    {
      "nct_id": "NCT04602221",
      "title": "A Study in Healthy Men to Test Whether BI 409306, BI 425809 or Lamotrigine Can Reverse the Memory Problems Caused by Ketamine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lamotrigine",
          "type": "DRUG"
        },
        {
          "name": "BI 409306",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "BI 425809",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "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": 40,
      "start_date": "2020-12-01",
      "completion_date": "2022-08-12",
      "has_results": true,
      "last_update_posted_date": "2024-03-12",
      "last_synced_at": "2026-09-07T09:35:17.453Z",
      "location_count": 2,
      "location_summary": "Long Beach, California • Marlton, New Jersey",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Marlton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04602221"
    },
    {
      "nct_id": "NCT03351244",
      "title": "This Study Tests Whether BI 409306 Prevents Patients With Schizophrenia From Becoming Worse. This Study Looks at How Well Patients Tolerate BI 409306 and How Effective it is Over 6 Months",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "BI 409306",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 264,
      "start_date": "2017-12-07",
      "completion_date": "2021-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-05-14",
      "last_synced_at": "2026-09-07T09:35:17.453Z",
      "location_count": 32,
      "location_summary": "Phoenix, Arizona • Costa Mesa, California • Garden Grove, California + 27 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Lemon Grove",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03351244"
    },
    {
      "nct_id": "NCT01892384",
      "title": "Safety and Tolerability of BI 409306 in Patients With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "BI 409306",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 40,
      "start_date": "2013-06-28",
      "completion_date": "2013-12-05",
      "has_results": true,
      "last_update_posted_date": "2024-04-25",
      "last_synced_at": "2026-09-07T09:35:17.453Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01892384"
    },
    {
      "nct_id": "NCT02337907",
      "title": "BI 409306 in Patients With Cognitive Impairment Due to Alzheimer's Disease.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "BI 409306",
          "type": "DRUG"
        },
        {
          "name": "Donepezil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 329,
      "start_date": "2015-01-21",
      "completion_date": "2017-10-10",
      "has_results": true,
      "last_update_posted_date": "2018-11-14",
      "last_synced_at": "2026-09-07T09:35:17.453Z",
      "location_count": 10,
      "location_summary": "Sherman Oaks, California • Orlando, Florida • West Palm Beach, Florida + 7 more",
      "locations": [
        {
          "city": "Sherman Oaks",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Eatontown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02337907"
    },
    {
      "nct_id": "NCT02240693",
      "title": "Alzheimer Disease Proof of Concept Study With BI 409306 Versus Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "BI 409306",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 128,
      "start_date": "2015-01-15",
      "completion_date": "2017-10-09",
      "has_results": true,
      "last_update_posted_date": "2018-11-28",
      "last_synced_at": "2026-09-07T09:35:17.453Z",
      "location_count": 7,
      "location_summary": "Orange, California • Sherman Oaks, California • West Palm Beach, Florida + 4 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Sherman Oaks",
          "state": "California"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Eatontown",
          "state": "New Jersey"
        },
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02240693"
    },
    {
      "nct_id": "NCT02392468",
      "title": "Study of Systemic and Ocular Safety and Pharmacokinetics of BI 409306 in Patients With Schizophrenia, Alzheimer's Disease, and Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia",
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Placebo matching BI 409306 25 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching BI 409306 50 mg",
          "type": "DRUG"
        },
        {
          "name": "BI 409306 25 mg",
          "type": "DRUG"
        },
        {
          "name": "BI 409306 50 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2015-04-15",
      "completion_date": "2017-08-10",
      "has_results": true,
      "last_update_posted_date": "2024-04-19",
      "last_synced_at": "2026-09-07T09:35:17.453Z",
      "location_count": 3,
      "location_summary": "La Jolla, California • Eatontown, New Jersey • Austin, Texas",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Eatontown",
          "state": "New Jersey"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02392468"
    },
    {
      "nct_id": "NCT02281773",
      "title": "A Study to Investigate the Efficacy, Safety and Tolerability of Four Different Doses of BI 409306 Compared to Placebo Given for 12 Weeks in Patients With Schizophrenia on Stable Antipsychotic Treatment.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "BI 409306 100 mg QD",
          "type": "DRUG"
        },
        {
          "name": "BI 498306 50 mg QD",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "BI 498306 25 mg QD",
          "type": "DRUG"
        },
        {
          "name": "BI 409306 10 mg QD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 518,
      "start_date": "2014-11-10",
      "completion_date": "2016-06-13",
      "has_results": true,
      "last_update_posted_date": "2017-10-19",
      "last_synced_at": "2026-09-07T09:35:17.453Z",
      "location_count": 24,
      "location_summary": "Little Rock, Arkansas • Cerritos, California • Garden Grove, California + 18 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02281773"
    }
  ]
}