{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=valacyclovir+hydrochloride&page=2",
    "query": {
      "intervention": "valacyclovir hydrochloride",
      "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+hydrochloride&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T23:47:12.528Z",
  "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": "NCT00634231",
      "title": "A Phase I Study of AdV-tk + Prodrug Therapy in Combination With Radiation Therapy for Pediatric Brain Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malignant Glioma",
        "Recurrent Ependymoma"
      ],
      "interventions": [
        {
          "name": "AdV-tk",
          "type": "BIOLOGICAL"
        },
        {
          "name": "valacyclovir",
          "type": "DRUG"
        },
        {
          "name": "Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Candel Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 8,
      "start_date": "2010-10",
      "completion_date": "2021-06",
      "has_results": false,
      "last_update_posted_date": "2023-08-25",
      "last_synced_at": "2026-09-27T23:47:12.528Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Boston, Massachusetts",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00634231"
    },
    {
      "nct_id": "NCT02831933",
      "title": "Trial of Radiation and Gene Therapy Before Nivolumab for Metastatic Non-Small Cell Lung Carcinoma and Uveal Melanoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Squamous Cell Carcinoma Stage IV",
        "Nonsquamous Nonsmall Cell Neoplasm of Lung",
        "Metastatic Uveal Melanoma"
      ],
      "interventions": [
        {
          "name": "ADV/HSV-tk",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        },
        {
          "name": "SBRT",
          "type": "RADIATION"
        },
        {
          "name": "nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Eric Bernicker, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2017-02-15",
      "completion_date": "2020-11-05",
      "has_results": true,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-09-27T23:47:12.528Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02831933"
    },
    {
      "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": "2026-09-27T23:47:12.528Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00649974"
    },
    {
      "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": "2026-09-27T23:47:12.528Z",
      "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": "NCT00492050",
      "title": "Bortezomib and Rituximab for Patients With Waldenstrom's Macroglobulinemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Waldenstrom's Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "Bortezomib",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 46,
      "start_date": "2006-08-02",
      "completion_date": "2026-06-28",
      "has_results": true,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-09-27T23:47:12.528Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00492050"
    },
    {
      "nct_id": "NCT00274404",
      "title": "Controlled Trial of Valacyclovir in Infectious Mononucleosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Infectious Mononucleosis"
      ],
      "interventions": [
        {
          "name": "valacyclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2004-02",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2011-10-27",
      "last_synced_at": "2026-09-27T23:47:12.528Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00274404"
    },
    {
      "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": "2026-09-27T23:47:12.528Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01132716"
    },
    {
      "nct_id": "NCT06914479",
      "title": "Virus-Based Gene Therapy (AdV-HSV1-TK and AdV-Flt3L) in Combination With Valacyclovir for the Treatment of Pediatric and Young Adult Patients With Resectable, Recurrent Primary Malignant Brain Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Diffuse Hemispheric Glioma, H3 G34-Mutant",
        "Recurrent Malignant Brain Neoplasm",
        "Resectable Brain Neoplasm"
      ],
      "interventions": [
        {
          "name": "Ad-hCMV-Flt3L",
          "type": "GENETIC"
        },
        {
          "name": "Ad-hCMV-TK",
          "type": "GENETIC"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Tumor Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "3 Years to 39 Years"
      },
      "enrollment_count": 11,
      "start_date": "2026-05-22",
      "completion_date": "2031-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-09-27T23:47:12.528Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06914479"
    },
    {
      "nct_id": "NCT00587496",
      "title": "30-Day Trial of Oral Valtrex or Valtrex Plus Aspirin on Shedding of HSV DNA in Tears and Saliva of Volunteers",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Herpes Simplex"
      ],
      "interventions": [
        {
          "name": "valacyclovir hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "valacyclovir plus aspirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2006-04",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2008-01-07",
      "last_synced_at": "2026-09-27T23:47:12.528Z",
      "location_count": 2,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587496"
    },
    {
      "nct_id": "NCT04710030",
      "title": "Valacyclovir for Mild Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Herpes Simplex 1",
        "Herpes Simplex 2"
      ],
      "interventions": [
        {
          "name": "Valacyclovir hydrochloride 500mg caplet",
          "type": "DRUG"
        },
        {
          "name": "Placebo sugar pill caplet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "50 Years to 95 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-02-01",
      "completion_date": "2024-12-23",
      "has_results": true,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-09-27T23:47:12.528Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04710030"
    }
  ]
}