{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interferon-beta+%28IFN-beta%29",
    "query": {
      "intervention": "Interferon-beta (IFN-beta)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 128,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interferon-beta+%28IFN-beta%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T18:43:38.398Z",
  "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": "NCT01994018",
      "title": "Correlation Between Relapses in Multiple Sclerosis (MS) and Vitamin D Intake",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "OSF Healthcare System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2011-11",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2022-04-29",
      "last_synced_at": "2026-09-23T18:43:38.398Z",
      "location_count": 1,
      "location_summary": "Peoria, Illinois",
      "locations": [
        {
          "city": "Peoria",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01994018"
    },
    {
      "nct_id": "NCT01939002",
      "title": "Characterize Flu-like Symptoms in Relapsing Multiple Sclerosis Patients Transitioning From Non-Pegylated Interferon Beta (IFN-β) Therapies to Peginterferon Beta-1a (BIIB017)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "BIIB017",
          "type": "DRUG"
        },
        {
          "name": "naproxen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 251,
      "start_date": "2013-11",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2017-01-25",
      "last_synced_at": "2026-09-23T18:43:38.398Z",
      "location_count": 38,
      "location_summary": "Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 34 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01939002"
    },
    {
      "nct_id": "NCT04356339",
      "title": "US PROmyBETAapp2.0: A Study to Learn More About the Medication Usage and Patient Reported Outcomes Via the myBETAapp in Medical Care of Patients With Multiple Sclerosis Treated With BETASERON Using BETACONNECT Autoinjector",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Interferon-beta-1b (BETASERON, BAY 86-5046)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 100,
      "start_date": "2020-11-24",
      "completion_date": "2021-11-11",
      "has_results": false,
      "last_update_posted_date": "2023-07-24",
      "last_synced_at": "2026-09-23T18:43:38.398Z",
      "location_count": 1,
      "location_summary": "Whippany, New Jersey",
      "locations": [
        {
          "city": "Whippany",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04356339"
    },
    {
      "nct_id": "NCT00439257",
      "title": "Costs, Quality of Life and Functional Outcomes in Veterans Treated for Multiple Sclerosis With Beta-Interferon l-B (Betaseron)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 124,
      "start_date": null,
      "completion_date": "2000-06",
      "has_results": false,
      "last_update_posted_date": "2015-04-07",
      "last_synced_at": "2026-09-23T18:43:38.398Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00439257"
    },
    {
      "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": "2026-09-23T18:43:38.398Z",
      "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": "NCT04278404",
      "title": "Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronavirus Infection (COVID-19)",
        "Pulmonary Arterial Hypertension",
        "Urinary Tract Infections in Children",
        "Hypertension",
        "Pain",
        "Hyperphosphatemia",
        "Primary Hyperaldosteronism",
        "Edema",
        "Hypokalemia",
        "Heart Failure",
        "Hemophilia",
        "Menorrhagia",
        "Insomnia",
        "Pneumonia",
        "Skin Infection",
        "Arrythmia",
        "Asthma in Children",
        "Bronchopulmonary Dysplasia",
        "Adrenal Insufficiency",
        "Fibrinolysis; Hemorrhage",
        "Attention Deficit Hyperactivity Disorder",
        "Multisystem Inflammatory Syndrome in Children (MIS-C)",
        "Kawasaki Disease",
        "Coagulation Disorder",
        "Down Syndrome"
      ],
      "interventions": [
        {
          "name": "The POP02 study is collecting bodily fluid samples (i.e., whole blood, effluent samples) of children prescribed the following drugs of interest per standard of care:",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "0 Years to 20 Years"
      },
      "enrollment_count": 5000,
      "start_date": "2020-03-05",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-23T18:43:38.398Z",
      "location_count": 49,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 40 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04278404"
    },
    {
      "nct_id": "NCT04032158",
      "title": "Study of Evobrutinib in Participants With Relapsing Multiple Sclerosis (RMS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing-remitting Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Evobrutinib",
          "type": "DRUG"
        },
        {
          "name": "Avonex®",
          "type": "DRUG"
        },
        {
          "name": "Avonex® matched Placebo",
          "type": "DRUG"
        },
        {
          "name": "Evobrutinib matched Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EMD Serono Research & Development Institute, Inc.",
      "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": 3,
      "start_date": "2019-08-26",
      "completion_date": "2020-04-16",
      "has_results": true,
      "last_update_posted_date": "2021-08-05",
      "last_synced_at": "2026-09-23T18:43:38.398Z",
      "location_count": 1,
      "location_summary": "Rockland, Massachusetts",
      "locations": [
        {
          "city": "Rockland",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04032158"
    },
    {
      "nct_id": "NCT00676715",
      "title": "A Study of the Efficacy and Safety of Ocrelizumab in Patients With Relapsing-Remitting Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ocrelizumab",
          "type": "DRUG"
        },
        {
          "name": "Avonex",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "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": 220,
      "start_date": "2008-07-17",
      "completion_date": "2023-11-08",
      "has_results": true,
      "last_update_posted_date": "2024-12-31",
      "last_synced_at": "2026-09-23T18:43:38.398Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Berkeley, California • San Francisco, California + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00676715"
    },
    {
      "nct_id": "NCT03284970",
      "title": "Retrospective Study to Determine Effect of Rebif and Tecfidera on Infections and Lymphocytes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Relapsing-Remitting Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "EMD Serono Research & Development Institute, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2017-08-23",
      "completion_date": "2018-05-11",
      "has_results": false,
      "last_update_posted_date": "2018-08-06",
      "last_synced_at": "2026-09-23T18:43:38.398Z",
      "location_count": 1,
      "location_summary": "Foxborough, Massachusetts",
      "locations": [
        {
          "city": "Foxborough",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03284970"
    },
    {
      "nct_id": "NCT00468182",
      "title": "Modulation of Plasmacytoid Dendritic Cell Function in Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Interferon-beta 1b (Betaseron)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 24,
      "start_date": "2007-04",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-07",
      "last_synced_at": "2026-09-23T18:43:38.398Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00468182"
    }
  ]
}