{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=valacyclovir&page=2",
    "query": {
      "intervention": "valacyclovir",
      "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=valacyclovir&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T01:54:38.809Z",
  "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": "NCT00001649",
      "title": "Valaciclovir to Prevent Transmission of Herpes Simplex Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Herpes Simplex"
      ],
      "interventions": [
        {
          "name": "Valaciclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 180,
      "start_date": "1997-08",
      "completion_date": "2003-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001649"
    },
    {
      "nct_id": "NCT00306293",
      "title": "VALTREX(Valacyclovir) Once Daily for Viral Shedding In Subjects Newly Diagnosed With HSV-2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Herpes Labialis"
      ],
      "interventions": [
        {
          "name": "valacyclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2006-02-20",
      "completion_date": "2006-11-27",
      "has_results": true,
      "last_update_posted_date": "2018-03-23",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 18,
      "location_summary": "Anaheim, California • Carmichael, California • Fair Oaks, California + 14 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "Fair Oaks",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00306293"
    },
    {
      "nct_id": "NCT01149499",
      "title": "Valacyclovir 1000 mg Tablet Under Fasting Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Pharmaceuticals USA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2005-01",
      "completion_date": "2005-01",
      "has_results": false,
      "last_update_posted_date": "2010-06-23",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 1,
      "location_summary": "East Grand Forks, Minnesota",
      "locations": [
        {
          "city": "East Grand Forks",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01149499"
    },
    {
      "nct_id": "NCT01132716",
      "title": "Bioequivalency Study of Valacyclovir Hydrochloride 1000 mg Under Fed Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Herpes Zoster",
        "Shingles",
        "Genital Herpes"
      ],
      "interventions": [
        {
          "name": "Valacyclovir Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Roxane Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 48,
      "start_date": "2006-09",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01132716"
    },
    {
      "nct_id": "NCT04448392",
      "title": "Valacyclovir in Neonatal Herpes Simplex Virus Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neonatal Herpes Simplex Infection"
      ],
      "interventions": [
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Weeks",
        "maximum_age": "12 Weeks",
        "sex": "ALL",
        "summary": "2 Weeks to 12 Weeks"
      },
      "enrollment_count": 7,
      "start_date": "2021-07-01",
      "completion_date": "2024-07-24",
      "has_results": true,
      "last_update_posted_date": "2025-06-24",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04448392"
    },
    {
      "nct_id": "NCT01811992",
      "title": "Combined Cytotoxic and Immune-Stimulatory Therapy for Glioma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malignant Glioma",
        "Glioblastoma Multiforme"
      ],
      "interventions": [
        {
          "name": "Dose Escalation of Ad-hCMV-TK and Ad-hCMV-Flt3L",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 19,
      "start_date": "2014-04",
      "completion_date": "2021-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01811992"
    },
    {
      "nct_id": "NCT04640571",
      "title": "Impact of Metformin and Polysorbate 80 on Drug Absorption and Disposition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bile Salt Export Pump (BSEP) Transporter",
        "Polysorbate 80"
      ],
      "interventions": [
        {
          "name": "pravastatin and chenodeoxycholic acid, after metformin and placebo",
          "type": "DRUG"
        },
        {
          "name": "valacyclovir, chenodeoxycholic acid, and enalaprilat, after polysorbate 80 and placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2021-04-01",
      "completion_date": "2021-11-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-16",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04640571"
    },
    {
      "nct_id": "NCT01132729",
      "title": "Bioequivalency Study of Valacyclovir Hydrochloride 1000 mg Under Fasting Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Herpes Zoster",
        "Shingles",
        "Genital Herpes"
      ],
      "interventions": [
        {
          "name": "Valacyclovir Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Roxane Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 48,
      "start_date": "2006-09",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01132729"
    },
    {
      "nct_id": "NCT00649974",
      "title": "Fasting Study of Valacyclovir Hydrochloride Tablets 1000 mg and Valtrex® Tablets 1000 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Valacyclovir Hydrochloride Tablets 1000 mg",
          "type": "DRUG"
        },
        {
          "name": "Valtrex® Tablets 1000 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2005-05",
      "completion_date": "2005-05",
      "has_results": false,
      "last_update_posted_date": "2024-04-23",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00649974"
    },
    {
      "nct_id": "NCT00870441",
      "title": "Study Comparing the Safety of ASP2151 to Valacyclovir and Placebo in Healthy Volunteers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Safety of ASP2151"
      ],
      "interventions": [
        {
          "name": "ASP2151",
          "type": "DRUG"
        },
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 442,
      "start_date": "2009-03",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2013-02-28",
      "last_synced_at": "2026-09-05T01:54:38.809Z",
      "location_count": 5,
      "location_summary": "Daytona Beach, Florida • Honolulu, Hawaii • Evansville, Indiana + 2 more",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00870441"
    }
  ]
}