{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+%2B+PEGinterferon+alfa-2a&page=3",
    "query": {
      "intervention": "placebo + PEGinterferon alfa-2a",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 56,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+%2B+PEGinterferon+alfa-2a&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+%2B+PEGinterferon+alfa-2a&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T16:41:25.488Z",
  "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": "NCT02401737",
      "title": "Dose-Ranging Study to Assess the Safety, PK and Initial Antiviral Efficacy of NVR 3-778 in Chronic HBV Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "NVR 3-778",
          "type": "DRUG"
        },
        {
          "name": "Placebo for NVR 3-778",
          "type": "DRUG"
        },
        {
          "name": "Pegasys",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novira Therapeutics, 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": 58,
      "start_date": "2015-01-31",
      "completion_date": "2016-05-18",
      "has_results": false,
      "last_update_posted_date": "2017-10-18",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 4,
      "location_summary": "Costa Mesa, California • Pasadena, California • San Diego, California + 1 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02401737"
    },
    {
      "nct_id": "NCT01425970",
      "title": "Chronically-infected HCV Genotype 2 and 3 Treatment-naive Subjects: Part A: Safety and Efficacy of INX-08189 With Peg IFN Alfa-2a and Ribavirin. Part B: INX-08189 in Interferon Free Treatment With Daclatasvir and/or Ribavirin",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "INX-08189",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching with INX-08189",
          "type": "DRUG"
        },
        {
          "name": "Pegylated interferon alfa-2a",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Daclatasvir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "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": 210,
      "start_date": "2012-05",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2015-11-04",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 6,
      "location_summary": "Anaheim, California • La Jolla, California • San Francisco, California + 3 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01425970"
    },
    {
      "nct_id": "NCT01356160",
      "title": "GS-5885 Alone or in Combination With GS-9451 With Peginterferon Alfa 2a and Ribavirin in Treatment Chronic Genotype 1 Hepatitis C Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "GS-5885",
          "type": "DRUG"
        },
        {
          "name": "GS-9451",
          "type": "DRUG"
        },
        {
          "name": "peginterferon alfa-2a",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ribavirin tablet",
          "type": "DRUG"
        },
        {
          "name": "GS-9451 Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Gilead Sciences",
      "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": 351,
      "start_date": "2011-07",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2014-02-03",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 21,
      "location_summary": "Tucson, Arizona • Beverly Hills, California • Coronado, California + 17 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01356160"
    },
    {
      "nct_id": "NCT01054729",
      "title": "Dose-Ranging Study of Sofosbuvir in Combination With Pegylated Interferon and Ribavirin in Treatment Naïve GT 1 HCV Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Sofosbuvir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "PEG",
          "type": "DRUG"
        },
        {
          "name": "RBV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "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": 64,
      "start_date": "2010-01",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2014-04-17",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 6,
      "location_summary": "San Francisco, California • Gainesville, Florida • Orlando, Florida + 3 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01054729"
    },
    {
      "nct_id": "NCT00720434",
      "title": "A Dose Ranging Study Of PF-00868554 In Combination With PEGASYS And COPEGUS In Patients With Chronic Hepatitis C Genotype 1 Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "PF-00868554",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 35,
      "start_date": "2008-08",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2013-08-26",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 9,
      "location_summary": "La Jolla, California • San Francisco, California • Orlando, Florida + 5 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00720434"
    },
    {
      "nct_id": "NCT01142700",
      "title": "A Study of BMS-824393 in Combination With Peginterferon Alfa-2a (Pegasys) and Ribavirin (Copegus) in Treatment Naive Subjects With Chronic Hepatitis C Virus Genotype I",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis C Virus Genotype 1"
      ],
      "interventions": [
        {
          "name": "BMS-824393",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon Alpha-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": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2010-07",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2011-03-15",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 11,
      "location_summary": "Coronado, California • San Diego, California • Washington D.C., District of Columbia + 8 more",
      "locations": [
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01142700"
    },
    {
      "nct_id": "NCT01281839",
      "title": "An Efficacy, Safety and Tolerability Study of TMC435 in Genotype 1 Hepatitis C-infected Patients Who Relapsed After Previous Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "TMC435",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon alpha-2a (PegIFN alpha-2a)",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin (RBV)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen R&D Ireland",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 394,
      "start_date": "2011-02",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2014-04-23",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 11,
      "location_summary": "Bakersfield, California • Aurora, Colorado • Jacksonville, Florida + 8 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01281839"
    },
    {
      "nct_id": "NCT03719313",
      "title": "Study of the Efficacy and Safety of Lonafarnib / Ritonavir With and Without Pegylated Interferon -Alfa-2a",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis Delta Virus"
      ],
      "interventions": [
        {
          "name": "Lonafarnib",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "PEG IFN-alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Placebo Lonafarnib",
          "type": "DRUG"
        },
        {
          "name": "Placebo Ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eiger BioPharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 407,
      "start_date": "2018-12-01",
      "completion_date": "2023-03-24",
      "has_results": false,
      "last_update_posted_date": "2023-04-14",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 18,
      "location_summary": "Fresno, California • Los Angeles, California • Palo Alto, California + 12 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03719313"
    },
    {
      "nct_id": "NCT01170962",
      "title": "Study of the Anti-HCV Drug (BMS-790052) Combined With Peginterferon and Ribavirin in Patients Who Failed Prior Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Virus"
      ],
      "interventions": [
        {
          "name": "BMS-790052",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 512,
      "start_date": "2010-08",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2015-10-12",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 35,
      "location_summary": "Montgomery, Alabama • La Jolla, California • Los Angeles, California + 28 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01170962"
    },
    {
      "nct_id": "NCT01616524",
      "title": "Safety and Efficacy Study of Pegylated Interferon Lambda With and Without Daclatasvir, Compared to Pegylated Interferon Alfa, Plus Ribavirin in Subjects With Hepatitis C Genotype 2 and 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C Virus (HCV)"
      ],
      "interventions": [
        {
          "name": "Pegylated interferon lambda (pegIFNλ)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pegylated interferon alfa-2a (pegIFNα-2a)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Daclatasvir",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching Daclatasvir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": 880,
      "start_date": "2012-07",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-10-08T16:41:25.488Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • San Diego, California • San Francisco, California + 12 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01616524"
    }
  ]
}