{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PEG+IFN-alfa-2a&page=2",
    "query": {
      "intervention": "PEG IFN-alfa-2a",
      "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=PEG+IFN-alfa-2a&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T14:11:27.805Z",
  "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": "NCT00395421",
      "title": "Study to Evaluate Drug-drug Interaction Between Valopicitabine and Ribavirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "NM283 plus Peg-IFNα-2a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 114,
      "start_date": "2006-10",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2010-06-10",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Fairfax, Virginia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00395421"
    },
    {
      "nct_id": "NCT01500772",
      "title": "Alisporivir With PEG and RBV in Protease Inhibitor (PI) Treatment Failure Patients With Chronic Hepatitis C",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Alisporivir",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Debiopharm International SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 6,
      "start_date": "2012-03",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2016-08-01",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Bakersfield, California • Los Angeles, California + 19 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01500772"
    },
    {
      "nct_id": "NCT00100581",
      "title": "Effects of Anti-HIV Therapy on Treatment for Hepatitis C in HCV/HIV Infected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Efavirenz",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine",
          "type": "DRUG"
        },
        {
          "name": "Lopinavir/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Pegylated interferon alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir disoproxil fumarate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 2,
      "start_date": null,
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 2,
      "location_summary": "New York, New York • Dallas, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00100581"
    },
    {
      "nct_id": "NCT01309932",
      "title": "Safety Study of Pegylated Interferon Lambda Plus Single or 2 Direct Antiviral Agents With Ribavirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Pegylated Interferon Lambda (pegIFNλ)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BMS-790052 (NS5A Inhibitor)",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin (RBV)",
          "type": "DRUG"
        },
        {
          "name": "BMS-650032 (NS3 Protease Inhibitor)",
          "type": "DRUG"
        },
        {
          "name": "Pegylated Interferon Alfa-2a (pegIFNα-2a)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (PBO) for BMS-650032 (Placebo for NS3 Protease Inhibitor)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (PBO) for BMS-790052 (Placebo for NS5A Inhibitor)",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Ribavirin (RBV)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 165,
      "start_date": "2011-03",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 13,
      "location_summary": "Phoenix, Arizona • Palm Springs, California • Aurora, Colorado + 10 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Lutherville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01309932"
    },
    {
      "nct_id": "NCT00535847",
      "title": "A Rollover Study for Subjects Participating in the Control Arm of Study VX06-950-106, VX05-950-104 and VX05-950-104EU Whose Plasma Hepatitis C Virus (HCV) Ribonucleic Acid (RNA) Levels Did Not Respond to Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Telaprevir",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Pegylated interferon alfa 2a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vertex Pharmaceuticals Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 117,
      "start_date": "2007-10",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2014-08-05",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00535847"
    },
    {
      "nct_id": "NCT01318694",
      "title": "Efficacy and Safety of Alisporivir Triple Therapy in Chronic Hepatitis C Genotype 1 Treatment-naïve Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Alisporivir",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "ALV Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Debiopharm International SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 1081,
      "start_date": "2011-03",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2016-09-30",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 32,
      "location_summary": "Beverly Hills, California • Oakland, California • San Diego, California + 23 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01318694"
    },
    {
      "nct_id": "NCT00227656",
      "title": "Capecitabine and Pegylated Interferon Alfa-2a in Treating Patients With Recurrent or Progressive Brain Metastases Due to Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Metastatic Cancer"
      ],
      "interventions": [
        {
          "name": "PEG-interferon alfa-2a",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2005-09",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2012-12-11",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 4,
      "location_summary": "Wichita, Kansas • Grand Rapids, Michigan • Springfield, Missouri + 1 more",
      "locations": [
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00227656"
    },
    {
      "nct_id": "NCT01492426",
      "title": "Study Comparing Daclatasvir (BMS-790052) With Telaprevir Combined With Peginterferon Alfa-2a and Ribavirin in Patients With Chronic Hepatitis C Virus Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Daclatasvir",
          "type": "DRUG"
        },
        {
          "name": "Telaprevir",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 605,
      "start_date": "2012-01",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2016-06-03",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Long Beach, California + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01492426"
    },
    {
      "nct_id": "NCT00747539",
      "title": "Brain Deficits in HIV/HCV Coinfected People Before and After Anti-HCV Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV",
        "Hepatitis C",
        "Infections"
      ],
      "interventions": [
        {
          "name": "Pegylated interferon alfa and ribavirin (PEG-IFN/RBV)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 330,
      "start_date": "2008-07",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2016-05-13",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 4,
      "location_summary": "Lancaster, California • Los Angeles, California",
      "locations": [
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00747539"
    },
    {
      "nct_id": "NCT00963885",
      "title": "A Study of RO5190591 (Danoprevir) in Combination With Pegasys and Copegus in Treatment-Naive Patients With Chronic Hepatitis C Genotype 1 Virus Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Copegus",
          "type": "DRUG"
        },
        {
          "name": "Pegasys",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "RO5190591 (Danoprevir)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 229,
      "start_date": "2009-08",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-09-29T14:11:27.805Z",
      "location_count": 24,
      "location_summary": "Phoenix, Arizona • Long Beach, California • Los Angeles, California + 20 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00963885"
    }
  ]
}