{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?page=11&sponsor=Biogen",
    "query": {
      "sponsor": "Biogen",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 463,
    "total_pages": 47,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=12&sponsor=Biogen&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=10&sponsor=Biogen&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T23:33:11.618Z",
  "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": "NCT02071121",
      "title": "Single Ascending Dose Study of the Safety, Tolerability, and Pharmacokinetics of BIIB061 in Healthy Adult Volunteers Including Absolute Bioavailability and Food Effect",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "BIIB061",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "14C-BIIB061",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "20 Years to 55 Years"
      },
      "enrollment_count": 39,
      "start_date": "2013-12",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2015-02-02",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 2,
      "location_summary": "Evansville, Indiana • Madison, Wisconsin",
      "locations": [
        {
          "city": "Evansville",
          "state": "Indiana"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02071121"
    },
    {
      "nct_id": "NCT01538472",
      "title": "Y Zevalin and BEAM in Autologous Stem Cell Transplantation (ASCT) for Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Y Zevalin",
          "type": "DRUG"
        },
        {
          "name": "In Zevalin",
          "type": "DRUG"
        },
        {
          "name": "Rituxan",
          "type": "DRUG"
        },
        {
          "name": "BCNU",
          "type": "DRUG"
        },
        {
          "name": "VP -16",
          "type": "DRUG"
        },
        {
          "name": "Ara-C",
          "type": "DRUG"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Stem Cell Infusion",
          "type": "PROCEDURE"
        },
        {
          "name": "G-CSF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2003-09",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2014-09-11",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01538472"
    },
    {
      "nct_id": "NCT02881567",
      "title": "Efficacy and Safety of Daclizumab in Participants With RRMS Switching From Natalizumab",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing-Remitting Multiple Sclerosis (RRMS)"
      ],
      "interventions": [
        {
          "name": "Daclizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "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": 41,
      "start_date": "2017-04-18",
      "completion_date": "2018-09-12",
      "has_results": true,
      "last_update_posted_date": "2019-09-27",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 3,
      "location_summary": "Tampa, Florida • Des Moines, Iowa • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02881567"
    },
    {
      "nct_id": "NCT03283371",
      "title": "Phase 2 Efficacy, Safety, and Tolerability Study of Natalizumab in Focal Epilepsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Epilepsy, Focal Seizures, Partial Seizures"
      ],
      "interventions": [
        {
          "name": "Natalizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 67,
      "start_date": "2018-03-20",
      "completion_date": "2020-11-18",
      "has_results": true,
      "last_update_posted_date": "2021-12-14",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • San Diego, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03283371"
    },
    {
      "nct_id": "NCT06640933",
      "title": "A Study to Find Out How Different Forms of BIIB091 is Processed in The Body With and Without Food in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "BIIB091",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "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": 25,
      "start_date": "2024-10-16",
      "completion_date": "2025-02-07",
      "has_results": false,
      "last_update_posted_date": "2025-02-18",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 2,
      "location_summary": "Las Vegas, Nevada • Austin, Texas",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06640933"
    },
    {
      "nct_id": "NCT00835770",
      "title": "BG00012 Monotherapy Safety and Efficacy Extension Study in Multiple Sclerosis (MS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing-Remitting Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "dimethyl fumarate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "58 Years",
        "sex": "ALL",
        "summary": "19 Years to 58 Years"
      },
      "enrollment_count": 1736,
      "start_date": "2009-02-03",
      "completion_date": "2019-11-08",
      "has_results": true,
      "last_update_posted_date": "2020-12-31",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 50,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mesa, Arizona + 44 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00835770"
    },
    {
      "nct_id": "NCT03218111",
      "title": "Glymphatic Kinetics In Healthy Adult Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "MR Imaging",
          "type": "OTHER"
        },
        {
          "name": "CT-guidance",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 19,
      "start_date": "2017-02-06",
      "completion_date": "2018-02-08",
      "has_results": false,
      "last_update_posted_date": "2018-02-12",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03218111"
    },
    {
      "nct_id": "NCT02430532",
      "title": "BG00012 and Delay of Disability Progression in Secondary Progressive Multiple Sclerosis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis, Secondary Progressive"
      ],
      "interventions": [
        {
          "name": "dimethyl fumarate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "58 Years",
        "sex": "ALL",
        "summary": "18 Years to 58 Years"
      },
      "enrollment_count": 58,
      "start_date": "2015-05",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2017-04-26",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 7,
      "location_summary": "Long Beach, California • San Francisco, California • Tampa, Florida + 4 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Vero Beach",
          "state": "Florida"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02430532"
    },
    {
      "nct_id": "NCT05005338",
      "title": "A Study to Determine the Absolute Bioavailability of BIIB122/DNL151 in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "BIIB122 (DNL151)",
          "type": "DRUG"
        },
        {
          "name": "[14C] BIIB122 ([14C] DNL151)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 8,
      "start_date": "2021-07-28",
      "completion_date": "2021-09-23",
      "has_results": false,
      "last_update_posted_date": "2021-11-17",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05005338"
    },
    {
      "nct_id": "NCT03496012",
      "title": "Efficacy and Safety of BIIB111 for the Treatment of Choroideremia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Choroideremia"
      ],
      "interventions": [
        {
          "name": "BIIB111",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 169,
      "start_date": "2017-12-11",
      "completion_date": "2020-12-01",
      "has_results": true,
      "last_update_posted_date": "2023-12-07",
      "last_synced_at": "2026-10-17T23:33:11.618Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Miami, Florida • Baltimore, Maryland + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03496012"
    }
  ]
}