{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interferon-beta&page=2",
    "query": {
      "intervention": "Interferon-beta",
      "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?intervention=Interferon-beta&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T14:48:52.573Z",
  "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": "NCT05192200",
      "title": "An Extension Study for Participants Who Have Completed the Treatment Period of a Qualifying Parent Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dermatomyositis"
      ],
      "interventions": [
        {
          "name": "Anti-Beta Interferon (PF-06823859)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 24,
      "start_date": "2021-12-20",
      "completion_date": "2023-11-20",
      "has_results": true,
      "last_update_posted_date": "2025-02-06",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Beverly Hills, California + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05192200"
    },
    {
      "nct_id": "NCT00428584",
      "title": "RNF and Betaseron® Tolerability Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing Remitting Multiple Sclerosis (RRMS)"
      ],
      "interventions": [
        {
          "name": "New Formulation of rebif - human interferon beta-1a",
          "type": "DRUG"
        },
        {
          "name": "Interferon beta -1b",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EMD Serono",
      "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": 129,
      "start_date": "2006-12",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2013-08-07",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 1,
      "location_summary": "Rockland, Massachusetts",
      "locations": [
        {
          "city": "Rockland",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00428584"
    },
    {
      "nct_id": "NCT00099502",
      "title": "BEYOND: Betaferon/Betaseron Efficacy Yielding Outcomes of a New Dose in Multiple Sclerosis (MS) Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Interferon beta-1b (Betaferon/Betaseron, BAY86-5046)",
          "type": "DRUG"
        },
        {
          "name": "Copaxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": 2244,
      "start_date": "2003-11",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2008-12-19",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 57,
      "location_summary": "Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 52 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00099502"
    },
    {
      "nct_id": "NCT01892722",
      "title": "Safety and Efficacy of Fingolimod in Pediatric Patients With Multiple Sclerosis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Interferon beta-1a",
          "type": "DRUG"
        },
        {
          "name": "Fingolimod",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo i.m. injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 240,
      "start_date": "2013-07-26",
      "completion_date": "2030-02-18",
      "has_results": true,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01892722"
    },
    {
      "nct_id": "NCT01064401",
      "title": "Efficacy and Safety of BIIB019 (Daclizumab High Yield Process) Versus Interferon β 1a in Participants With Relapsing-Remitting Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing-Remitting Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "BIIB019 (Daclizumab High Yield Process)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Interferon beta-1a Placebo",
          "type": "DRUG"
        },
        {
          "name": "Interferon beta-1a",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Daclizumab High Yield Process Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": 1841,
      "start_date": "2010-05",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2016-07-11",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 46,
      "location_summary": "Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 43 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01064401"
    },
    {
      "nct_id": "NCT00530348",
      "title": "Comparison of Alemtuzumab and Rebif® Efficacy in Multiple Sclerosis, Study One",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Alemtuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Interferon beta-1a",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 581,
      "start_date": "2007-08",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2014-11-24",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 36,
      "location_summary": "Cullman, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 31 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00530348"
    },
    {
      "nct_id": "NCT01207648",
      "title": "Retrospective Cohort Study of Rebif® Use in Pediatric Multiple Sclerosis (MS) Subjects (REPLAY)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Rebif®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EMD Serono",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 307,
      "start_date": "2010-07",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2015-05-15",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01207648"
    },
    {
      "nct_id": "NCT03399981",
      "title": "Tysabri Observational Cohort Study - Multiple Sclerosis (MS) Registries",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Progressive Multifocal Leukoencephalopathy"
      ],
      "interventions": [
        {
          "name": "Tysabri",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 80327,
      "start_date": "2017-06-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-03-19",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03399981"
    },
    {
      "nct_id": "NCT01815918",
      "title": "Effect of Low Dose Corticosteroids on Perioperative Markers of Thrombosis and Fibrinolysis in Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Hydrocortisone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 60,
      "start_date": "2011-02",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2022-04-14",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01815918"
    },
    {
      "nct_id": "NCT02652091",
      "title": "Impact of the BETACONNECT Auto-injector on BETASERON Therapy Adherence and Patient Satisfaction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Interferon beta-1b (Betaseron, BAY86-5046)",
          "type": "DRUG"
        },
        {
          "name": "BETACONNECT device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 146,
      "start_date": "2016-02-05",
      "completion_date": "2017-09-13",
      "has_results": false,
      "last_update_posted_date": "2018-09-06",
      "last_synced_at": "2026-09-16T14:48:52.573Z",
      "location_count": 23,
      "location_summary": "Cullman, Alabama • Boca Raton, Florida • New Port Richey, Florida + 19 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "New Port Richey",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02652091"
    }
  ]
}