{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Zalcitabine&page=2",
    "query": {
      "intervention": "Zalcitabine",
      "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=Zalcitabine&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T14:22:39.440Z",
  "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": "NCT00001022",
      "title": "A Comparison of Zidovudine (AZT) Used Alone or in Combination With Didanosine (ddI) or Dideoxycytidine (ddC) in HIV-Infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Zalcitabine",
          "type": "DRUG"
        },
        {
          "name": "Didanosine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 1200,
      "start_date": null,
      "completion_date": "1995-12",
      "has_results": false,
      "last_update_posted_date": "2021-11-04",
      "last_synced_at": "2026-09-28T14:22:39.440Z",
      "location_count": 16,
      "location_summary": "San Francisco, California • Denver, Colorado • New Haven, Connecticut + 11 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001022"
    },
    {
      "nct_id": "NCT00000653",
      "title": "A Trial of Two Doses of 2',3'-Dideoxycytidine (ddC) in the Treatment of Children With Symptomatic HIV Infection Who Are Intolerant of AZT and/or Who Show Progressive Disease While on AZT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Zalcitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "3 Months to 18 Years"
      },
      "enrollment_count": 140,
      "start_date": null,
      "completion_date": "1995-06",
      "has_results": false,
      "last_update_posted_date": "2021-10-27",
      "last_synced_at": "2026-09-28T14:22:39.440Z",
      "location_count": 32,
      "location_summary": "Los Angeles, California • Oakland, California • San Diego, California + 21 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000653"
    },
    {
      "nct_id": "NCT00095121",
      "title": "Safety and Efficacy of Adefovir Dipivoxil in Children and Adolescents With Chronic Hepatitis B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "Placebo (PLB)",
          "type": "DRUG"
        },
        {
          "name": "Adefovir Dipivoxil (ADV)",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 173,
      "start_date": "2004-06",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2012-05-22",
      "last_synced_at": "2026-09-28T14:22:39.440Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00095121"
    },
    {
      "nct_id": "NCT00000838",
      "title": "Antiviral Activity of and Resistance to Lamivudine in Combination With Zidovudine, Stavudine, or Didanosine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Lamivudine",
          "type": "DRUG"
        },
        {
          "name": "Stavudine",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Didanosine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 256,
      "start_date": null,
      "completion_date": "1998-03",
      "has_results": false,
      "last_update_posted_date": "2021-11-04",
      "last_synced_at": "2026-09-28T14:22:39.440Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000838"
    },
    {
      "nct_id": "NCT00011895",
      "title": "Safety and Effectiveness of TRIZIVIR (Abacavir/Lamivudine/Zidovudine) With Efavirenz in HIV-Infected Patients Who Have Never Taken Anti-HIV Drugs",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Abacavir sulfate, Lamivudine and Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2001-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-09-28T14:22:39.440Z",
      "location_count": 42,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Fountain Valley, California + 33 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00011895"
    },
    {
      "nct_id": "NCT00000719",
      "title": "A Trial of Alternating 2',3'-Dideoxycytidine and Zidovudine in the Treatment of Patients With Advanced HIV Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Zalcitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 96,
      "start_date": null,
      "completion_date": "1995-02",
      "has_results": false,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-09-28T14:22:39.440Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • San Diego, California • Miami, Florida + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000719"
    },
    {
      "nct_id": "NCT00000834",
      "title": "A Phase I Study of Methotrexate for HIV Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Lamivudine",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": null,
      "completion_date": "2002-06",
      "has_results": false,
      "last_update_posted_date": "2021-10-29",
      "last_synced_at": "2026-09-28T14:22:39.440Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • Washington D.C., District of Columbia • Wichita, Kansas + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000834"
    },
    {
      "nct_id": "NCT00034086",
      "title": "Study of Anti-HIV Therapy Intensification",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Lopinavir/Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine/Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir disoproxil fumarate",
          "type": "DRUG"
        },
        {
          "name": "Pneumococcal Vaccine, Polyvalent (23-valent)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lamivudine",
          "type": "DRUG"
        },
        {
          "name": "Stavudine",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Didanosine",
          "type": "DRUG"
        },
        {
          "name": "Lyme Disease Vaccine Recombinant OspA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Haemophilus B Conjugate Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 22,
      "start_date": null,
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2012-05-18",
      "last_synced_at": "2026-09-28T14:22:39.440Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Chicago, Illinois • Cleveland, Ohio",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00034086"
    },
    {
      "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": "2026-09-28T14:22:39.440Z",
      "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": "NCT00044577",
      "title": "New Tablet Containing Two FDA Approved Anti-HIV Drugs For Antiretroviral Therapy Experienced HIV-1 Infected Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infection, Human Immunodeficiency Virus I",
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "abacavir/lamivudine",
          "type": "DRUG"
        },
        {
          "name": "abacavir",
          "type": "DRUG"
        },
        {
          "name": "lamivudine",
          "type": "DRUG"
        },
        {
          "name": "tenofovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ViiV Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 166,
      "start_date": "2002-07-16",
      "completion_date": "2004-05-25",
      "has_results": false,
      "last_update_posted_date": "2020-03-24",
      "last_synced_at": "2026-09-28T14:22:39.440Z",
      "location_count": 30,
      "location_summary": "Los Angeles, California • Oakland, California • Fort Lauderdale, Florida + 20 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00044577"
    }
  ]
}