{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sofosbuvir+%28SOF%29&page=4",
    "query": {
      "intervention": "Sofosbuvir (SOF)",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 95,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sofosbuvir+%28SOF%29&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sofosbuvir+%28SOF%29&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T08:13:43.957Z",
  "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": "NCT01808248",
      "title": "Sofosbuvir (GS-7977) in Combination With PEG and Ribavirin for 12 Weeks in Treatment Experienced Subjects With Chronic HCV Infection Genotype 2 or 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "SOF",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2013-02",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2014-09-12",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808248"
    },
    {
      "nct_id": "NCT02185794",
      "title": "Study to Evaluate Safety, Tolerability, Pharmacokinetics, and Antiviral Activity of Voxilaprevir in Adults With Chronic Hepatitis C Virus Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "Voxilaprevir",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match voxilaprevir",
          "type": "DRUG"
        },
        {
          "name": "SOF/VEL",
          "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": 101,
      "start_date": "2014-06-13",
      "completion_date": "2015-09-28",
      "has_results": true,
      "last_update_posted_date": "2020-09-17",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 10,
      "location_summary": "Costa Mesa, California • DeLand, Florida • Orlando, Florida + 7 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02185794"
    },
    {
      "nct_id": "NCT02631772",
      "title": "LIVE-C-Free: Early and Late Treatment of Hepatitis C With Sofosbuvir/Ledipasvir in Liver Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Sofosbuvir/Ledipasvir x 12 weeks",
          "type": "DRUG"
        },
        {
          "name": "Sofosbuvir/Ledipasvir + Ribavirin x 12 weeks",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2016-06-01",
      "completion_date": "2018-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-05-07",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 4,
      "location_summary": "Washington D.C., District of Columbia • Cleveland, Ohio • Pittsburgh, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02631772"
    },
    {
      "nct_id": "NCT02480166",
      "title": "Comparative Efficacy of Fixed-dose Combination Sofosbuvir + Ledipasvir, 8 vs. 12 Weeks in Chronic Hepatitis C Genotype 6",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "PT-NANBH"
      ],
      "interventions": [
        {
          "name": "8 weeks SOF/LED",
          "type": "DRUG"
        },
        {
          "name": "12 weeks SOF/LED",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2015-06",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2017-09-19",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 4,
      "location_summary": "Palo Alto, California • San Jose, California • Houston, Texas + 1 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Plano",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02480166"
    },
    {
      "nct_id": "NCT01542788",
      "title": "Sofosbuvir + Ribavirin for 12 Weeks in Subjects With Chronic Genotype 2 or 3 Hepatitis C Infection Who Are Interferon Intolerant, Interferon Ineligible or Unwilling to Take Interferon",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "SOF",
          "type": "DRUG"
        },
        {
          "name": "RBV",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match SOF",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match RBV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 278,
      "start_date": "2012-03",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2014-05-19",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 50,
      "location_summary": "Birmingham, Alabama • Coronado, California • Los Angeles, California + 40 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01542788"
    },
    {
      "nct_id": "NCT03126370",
      "title": "Effects of Ledipasvir/Sofosbuvir on the Pharmacokinetics and Renal Safety of Tenofovir Alafenamide (TAF)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C",
        "HIV Coinfection"
      ],
      "interventions": [
        {
          "name": "TDF with a boosted protease inhibitor",
          "type": "DRUG"
        },
        {
          "name": "TAF with a boosted protease inhibitor",
          "type": "DRUG"
        },
        {
          "name": "TAF with a boosted protease inhibitor and LDV/SOF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 10,
      "start_date": "2018-01-08",
      "completion_date": "2019-10-01",
      "has_results": true,
      "last_update_posted_date": "2021-02-11",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03126370"
    },
    {
      "nct_id": "NCT02073656",
      "title": "Efficacy and Safety of Ledipasvir/Sofosbuvir Fixed-Dose Combination for 12 Weeks in Subjects With Chronic Genotype 1 or 4 HCV and HIV-1 Co-infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C Virus",
        "HIV"
      ],
      "interventions": [
        {
          "name": "LDV/SOF",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 335,
      "start_date": "2014-02",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2018-11-16",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 34,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Newport Beach, California + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02073656"
    },
    {
      "nct_id": "NCT02350569",
      "title": "Safety and Efficacy of Ledipasvir/Sofosbuvir Fixed Dose Combination Administered in Patients Infected With Chronic Genotype 1 or 4 HCV for Use in the Peri-Operative Liver Transplantation Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "LDV/SOF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2015-05-22",
      "completion_date": "2016-04-22",
      "has_results": true,
      "last_update_posted_date": "2018-11-19",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 6,
      "location_summary": "San Francisco, California • Chicago, Illinois • New Orleans, Louisiana + 3 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02350569"
    },
    {
      "nct_id": "NCT02220998",
      "title": "Comparison of Sofosbuvir/Velpatasvir Fixed Dose Combination for 12 Weeks With Sofosbuvir and Ribavirin for 12 Weeks in Adults With Chronic Genotype 2 HCV Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "SOF/VEL",
          "type": "DRUG"
        },
        {
          "name": "SOF",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 269,
      "start_date": "2014-09",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2018-11-15",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 50,
      "location_summary": "Long Beach, California • Los Angeles, California • Palo Alto, California + 35 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02220998"
    },
    {
      "nct_id": "NCT03512210",
      "title": "Monitoring SOF/VEL in Treatment Naïve, HCV Participants With Active Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C",
        "HIV-1-infection",
        "Liver Diseases"
      ],
      "interventions": [
        {
          "name": "Sofosbuvir/Velpatasvir (SOF/VEL)",
          "type": "DRUG"
        },
        {
          "name": "Minimal Monitoring (MINMON) Strategy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2018-10-22",
      "completion_date": "2021-02-28",
      "has_results": true,
      "last_update_posted_date": "2022-02-04",
      "last_synced_at": "2026-10-07T08:13:43.957Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03512210"
    }
  ]
}