{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Betaseron&page=2",
    "query": {
      "intervention": "Betaseron",
      "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=Betaseron&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T17:12:46.044Z",
  "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": "NCT00002238",
      "title": "Phase III Randomized Double-Blind Placebo Controlled Study To Evaluate the Safety and Efficacy of Betaseron in AIDS and Advanced ARC Patients Receiving a Reduced-Dose AZT Regimen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Interferon beta-1b",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "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": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 25,
      "location_summary": "Berkeley, California • Los Angeles, California • Oakland, California + 13 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002238"
    },
    {
      "nct_id": "NCT00273364",
      "title": "Stem Cell Therapy for Patients With Multiple Sclerosis Failing Alternate Approved Therapy- A Randomized Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Hematopoietic Stem Cell Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard treatment with a conventional drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "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": 110,
      "start_date": "2005-11-16",
      "completion_date": "2019-08-30",
      "has_results": true,
      "last_update_posted_date": "2020-08-12",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00273364"
    },
    {
      "nct_id": "NCT01158183",
      "title": "Real-World Betaseron Health Economic Outcomes Study for Relapsing Forms of Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "BAY86-5046_Interferon-beta-1b",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": 226,
      "start_date": "2007-07",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2010-07-08",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 27,
      "location_summary": "Many Locations, Alabama • Many Locations, California • Many Locations, Colorado + 24 more",
      "locations": [
        {
          "city": "Many Locations",
          "state": "Alabama"
        },
        {
          "city": "Many Locations",
          "state": "California"
        },
        {
          "city": "Many Locations",
          "state": "Colorado"
        },
        {
          "city": "Many Locations",
          "state": "Florida"
        },
        {
          "city": "Many Locations",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01158183"
    },
    {
      "nct_id": "NCT00893217",
      "title": "BEYOND Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Betaseron (Interferon beta-1b, BAY86-5046)",
          "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": 71,
      "start_date": "2002-11",
      "completion_date": "2003-06",
      "has_results": false,
      "last_update_posted_date": "2009-11-09",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Washington D.C., District of Columbia • Atlanta, Georgia + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00893217"
    },
    {
      "nct_id": "NCT00490906",
      "title": "Comparison of Bone Effects With Copaxone and Interferon in Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis",
        "Low Bone Density"
      ],
      "interventions": [
        {
          "name": "Copaxone",
          "type": "DRUG"
        },
        {
          "name": "Interferon-beta 1a",
          "type": "DRUG"
        },
        {
          "name": "Interferon-beta 1b",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nancy Hammond, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2007-06",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2014-01-22",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 2,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00490906"
    },
    {
      "nct_id": "NCT03500328",
      "title": "Traditional Versus Early Aggressive Therapy for Multiple Sclerosis Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Natalizumab/natalizumab-sztn, Alemtuzumab, Ocrelizumab, Rituximab/rituximab-arrx/rituximab-abbs/rituximab-pvvr, Cladribine, Ofatumumab, Ublituximab-xiiy, Ocrelizumab and hyaluronidase-ocsq",
          "type": "OTHER"
        },
        {
          "name": "Glatiramer acetate, Interferons (intramuscular, subcutaneous, pegylated) Teriflunomide, Fumarates (dimethyl, diroximel, monomethyl) Fingolimod, Siponimod, Ozanimod, Ponesimod",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 900,
      "start_date": "2018-05-02",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 47,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 38 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03500328"
    },
    {
      "nct_id": "NCT00002299",
      "title": "The Safety and Effectiveness of Ganciclovir Plus Interferon Beta in Preventing the Return of Cytomegalovirus (CMV) of the Eyes in Patients With AIDS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cytomegalovirus Retinitis",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Interferon beta-1b",
          "type": "DRUG"
        },
        {
          "name": "Ganciclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Orange, California • San Diego, California + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002299"
    },
    {
      "nct_id": "NCT00206648",
      "title": "An Efficacy and Safety Comparison Study of Two Marketed Drugs in Patients With Relapsing-remitting MS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Betaferon/Betaseron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": 271,
      "start_date": "2003-03",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2014-12-31",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 51,
      "location_summary": "Tucson, Arizona • Berkeley, California • Irvine, California + 46 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00206648"
    },
    {
      "nct_id": "NCT00436826",
      "title": "A Phase 2 Study of Cladribine Add-on to Interferon-beta (IFN-beta) Therapy in Multiple Sclerosis (MS) Subjects With Active Disease (ONWARD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Cladribine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Interferon-beta (IFN-beta)",
          "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": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 172,
      "start_date": "2006-11-30",
      "completion_date": "2012-03-31",
      "has_results": true,
      "last_update_posted_date": "2020-10-12",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 21,
      "location_summary": "Cullman, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 18 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00436826"
    },
    {
      "nct_id": "NCT01623596",
      "title": "Evaluation of Patient Retention of Fingolimod vs. Currently Approved Disease Modifying Therapy in Patients With Relapsing Remitting Multiple Sclerosis.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Relapsing Remitting Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Fingolimod",
          "type": "DRUG"
        },
        {
          "name": "Disease Modifying therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "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": 881,
      "start_date": "2012-06-08",
      "completion_date": "2015-07-13",
      "has_results": true,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-09-23T17:12:46.044Z",
      "location_count": 122,
      "location_summary": "Cullman, Alabama • Phoenix, Arizona • Sun City, Arizona + 111 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Sherwood",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01623596"
    }
  ]
}