{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interferon+beta-1a+Placebo",
    "query": {
      "intervention": "Interferon beta-1a Placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 30,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interferon+beta-1a+Placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T20:35:15.775Z",
  "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": "NCT02294058",
      "title": "Study of Ozanimod (RPC1063) in Relapsing Multiple Sclerosis (MS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Ozanimod",
          "type": "DRUG"
        },
        {
          "name": "Interferon beta-1a",
          "type": "DRUG"
        },
        {
          "name": "Placebo to ozanimod",
          "type": "DRUG"
        },
        {
          "name": "Placebo to interferon beta-1a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celgene",
      "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": 1346,
      "start_date": "2014-12-03",
      "completion_date": "2016-12-22",
      "has_results": true,
      "last_update_posted_date": "2020-11-25",
      "last_synced_at": "2026-09-25T20:35:15.775Z",
      "location_count": 40,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Berkeley, California + 35 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02294058"
    },
    {
      "nct_id": "NCT04492475",
      "title": "Adaptive COVID-19 Treatment Trial 3 (ACTT-3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Interferon beta-1a",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Remdesivir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 969,
      "start_date": "2020-08-05",
      "completion_date": "2020-12-21",
      "has_results": true,
      "last_update_posted_date": "2022-03-14",
      "last_synced_at": "2026-09-25T20:35:15.775Z",
      "location_count": 55,
      "location_summary": "Birmingham, Alabama • Fresno, California • La Jolla, California + 45 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04492475"
    },
    {
      "nct_id": "NCT00605215",
      "title": "BRAVO Study: Laquinimod Double-blind Placebo-controlled Study in Participants With Relapsing-Remitting Multiple Sclerosis (RRMS) With a Rater Blinded Reference Arm of Interferon β-1a (Avonex®)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Laquinimod",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Avonex®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, 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": 1331,
      "start_date": "2008-04-24",
      "completion_date": "2011-06-10",
      "has_results": true,
      "last_update_posted_date": "2022-04-21",
      "last_synced_at": "2026-09-25T20:35:15.775Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00605215"
    },
    {
      "nct_id": "NCT00986960",
      "title": "Effect of Adrenocorticotropin Injection With Weekly Interferon Beta in Patients With Relapsing Remitting Multiple Sclerosis (MS)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "repository corticotropin injection",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University at Buffalo",
      "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": 0,
      "start_date": "2009-12",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-09-25T20:35:15.775Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00986960"
    },
    {
      "nct_id": "NCT00179478",
      "title": "Long Term Study of Avonex Therapy Following a First Attack of Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "Optic Neuritis",
        "Transverse Myelitis",
        "Acute Brainstem/Cerebellar Syndrome"
      ],
      "interventions": [
        {
          "name": "interferon beta 1a 30 ug IM once weekly",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 155,
      "start_date": "2001-02",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2017-09-06",
      "last_synced_at": "2026-09-25T20:35:15.775Z",
      "location_count": 20,
      "location_summary": "Derby, Connecticut • Tampa, Florida • Atlanta, Georgia + 16 more",
      "locations": [
        {
          "city": "Derby",
          "state": "Connecticut"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Elk Grove",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00179478"
    },
    {
      "nct_id": "NCT00340834",
      "title": "Efficacy and Safety of Fingolimod in Patients With Relapsing-remitting Multiple Sclerosis With Optional Extension Phase",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Fingolimod 1.25 mg",
          "type": "DRUG"
        },
        {
          "name": "Fingolimod 0.5 mg",
          "type": "DRUG"
        },
        {
          "name": "Interferon β-1a 30 µg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "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": 1292,
      "start_date": "2006-05",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2017-09-21",
      "last_synced_at": "2026-09-25T20:35:15.775Z",
      "location_count": 35,
      "location_summary": "Cullman, Alabama • Phoenix, Arizona • Oceanside, California + 31 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Danbury",
          "state": "Connecticut"
        },
        {
          "city": "Fairfield",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00340834"
    },
    {
      "nct_id": "NCT01412333",
      "title": "A Study of Ocrelizumab in Comparison With Interferon Beta-1a (Rebif) in Participants With Relapsing Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Interferon beta-1a",
          "type": "DRUG"
        },
        {
          "name": "Ocrelizumab-matching placebo",
          "type": "DRUG"
        },
        {
          "name": "Ocrelizumab",
          "type": "DRUG"
        },
        {
          "name": "Interferon beta-1a-matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": 835,
      "start_date": "2011-09-20",
      "completion_date": "2022-12-30",
      "has_results": true,
      "last_update_posted_date": "2024-03-08",
      "last_synced_at": "2026-09-25T20:35:15.775Z",
      "location_count": 48,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 43 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01412333"
    },
    {
      "nct_id": "NCT01247324",
      "title": "A Study of Ocrelizumab in Comparison With Interferon Beta-1a (Rebif) in Participants With Relapsing Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Interferon beta-1a",
          "type": "DRUG"
        },
        {
          "name": "Ocrelizumab-matching placebo",
          "type": "DRUG"
        },
        {
          "name": "Ocrelizumab",
          "type": "DRUG"
        },
        {
          "name": "Interferon beta-1a-matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": 821,
      "start_date": "2011-08-31",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-03-04",
      "last_synced_at": "2026-09-25T20:35:15.775Z",
      "location_count": 40,
      "location_summary": "Phoenix, Arizona • Carmichael, California • La Jolla, California + 32 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01247324"
    },
    {
      "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": "2026-09-25T20:35:15.775Z",
      "location_count": 1,
      "location_summary": "Rockland, Massachusetts",
      "locations": [
        {
          "city": "Rockland",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04032158"
    },
    {
      "nct_id": "NCT00217295",
      "title": "A Safety Study of Combination Treatment With Avonex and Placebo-Controlled Dosing of Topamax in Relapsing-Remitting Multiple Sclerosis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Avonex and Topamax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Multiple Sclerosis Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 30,
      "start_date": "2004-04",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2005-09-22",
      "last_synced_at": "2026-09-25T20:35:15.775Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00217295"
    }
  ]
}