{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=chlorambucil",
    "query": {
      "intervention": "chlorambucil"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=chlorambucil&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T07:59:59.961Z",
  "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": "NCT00046683",
      "title": "Efficacy/Safety of Frontline Alemtuzumab (Campath, MabCampath) vs Chlorambucil in Patients With Progressive B-Cell Lymphocytic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "B Cell Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "alemtuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 284,
      "start_date": "2001-07",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2016-07-28",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 20,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Fort Myers, Florida + 17 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Hines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00046683"
    },
    {
      "nct_id": "NCT02612311",
      "title": "Ublituximab + TGR-1202 Compared to Obinutuzumab + Chlorambucil in Participants With Untreated and Previously Treated Chronic Lymphocytic Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Obinutuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ublituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TGR-1202",
          "type": "DRUG"
        },
        {
          "name": "Chlorambucil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "TG Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 603,
      "start_date": "2015-11-19",
      "completion_date": "2023-02-22",
      "has_results": true,
      "last_update_posted_date": "2024-12-13",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 110,
      "location_summary": "Huntsville, Alabama • Mobile, Alabama • Chandler, Arizona + 100 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02612311"
    },
    {
      "nct_id": "NCT02788201",
      "title": "Genomic Based Assignment of Therapy in Advanced Urothelial Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Urothelial Carcinoma",
        "Bladder Cancer",
        "Urinary Bladder Neoplasms"
      ],
      "interventions": [
        {
          "name": "75 approved agents",
          "type": "DRUG"
        },
        {
          "name": "COXEN",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2017-03-27",
      "completion_date": "2019-10-23",
      "has_results": true,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02788201"
    },
    {
      "nct_id": "NCT01724346",
      "title": "Open-label Extension Study in Patients 65 Years or Older With Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Next-line ibrutinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharmacyclics LLC.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 269,
      "start_date": "2013-12-03",
      "completion_date": "2023-08-18",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 16,
      "location_summary": "Duarte, California • La Jolla, California • Stanford, California + 13 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01724346"
    },
    {
      "nct_id": "NCT01980875",
      "title": "Efficacy and Safety of Idelalisib in Combination With Obinutuzumab Compared to Chlorambucil in Combination With Obinutuzumab for Previously Untreated Chronic Lymphocytic Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Idelalisib",
          "type": "DRUG"
        },
        {
          "name": "Chlorambucil",
          "type": "DRUG"
        },
        {
          "name": "Obinutuzumab",
          "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": 57,
      "start_date": "2015-04-21",
      "completion_date": "2016-05-13",
      "has_results": true,
      "last_update_posted_date": "2018-11-19",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 6,
      "location_summary": "Santa Barbara, California • Santa Monica, California • Whittier, California + 3 more",
      "locations": [
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Southington",
          "state": "Connecticut"
        },
        {
          "city": "Canton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01980875"
    },
    {
      "nct_id": "NCT01088048",
      "title": "Study to Investigate Idelalisib in Combination With Chemotherapeutic Agents, Immunomodulatory Agents and Anti-CD20 Monoclonal Antibody (mAb) in Participants With Relapsed or Refractory Indolent B-cell Non-Hodgkin's Lymphoma, Mantle Cell Lymphoma or Chronic Lymphocytic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Indolent Non-Hodgkin's Lymphoma",
        "Chronic Lymphocytic Leukemia",
        "Mantle Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Idelalisib",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Bendamustine",
          "type": "DRUG"
        },
        {
          "name": "Ofatumumab",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Everolimus",
          "type": "DRUG"
        },
        {
          "name": "Bortezomib",
          "type": "DRUG"
        },
        {
          "name": "Chlorambucil",
          "type": "DRUG"
        },
        {
          "name": "Lenalidomide",
          "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": 241,
      "start_date": "2010-03-25",
      "completion_date": "2015-04-28",
      "has_results": true,
      "last_update_posted_date": "2021-03-18",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 11,
      "location_summary": "Huntsville, Alabama • Los Angeles, California • Palo Alto, California + 8 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01088048"
    },
    {
      "nct_id": "NCT00117598",
      "title": "Study Evaluating Temsirolimus (CCI-779) In Mantle Cell Lymphoma (MCL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Temsirolimus (CCI-779)",
          "type": "DRUG"
        },
        {
          "name": "Investigator's choice",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 169,
      "start_date": "2005-05",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2015-03-30",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 19,
      "location_summary": "Little Rock, Arkansas • Fountain Valley, California • Los Angeles, California + 16 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Milford",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00117598"
    },
    {
      "nct_id": "NCT01998880",
      "title": "CLL11: A Study of Rituximab With Chlorambucil or Chlorambucil Alone in Patients With Previously Untreated Chronic Lymphocytic Leukemia (Stage 1b)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lymphocytic Leukemia, Chronic"
      ],
      "interventions": [
        {
          "name": "obinutuzumab",
          "type": "DRUG"
        },
        {
          "name": "rituximab",
          "type": "DRUG"
        },
        {
          "name": "chlorambucil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 787,
      "start_date": "2009-12-22",
      "completion_date": "2017-08-23",
      "has_results": true,
      "last_update_posted_date": "2018-09-14",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Chicago, Illinois • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Green Bay",
          "state": "Wisconsin"
        },
        {
          "city": "Waukesha",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01998880"
    },
    {
      "nct_id": "NCT00910910",
      "title": "Study Of The Effectiveness & Safety Of Lenalidomide Versus Chlorambucil As First Line Therapy For Elderly Patients With B-Cell CLL (The ORIGIN Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "B-Cell Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Chlorambucil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celgene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2009-10-13",
      "completion_date": "2018-05-09",
      "has_results": true,
      "last_update_posted_date": "2019-07-09",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 28,
      "location_summary": "Escondido, California • Whittier, California • New Britain, Connecticut + 25 more",
      "locations": [
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "New Britain",
          "state": "Connecticut"
        },
        {
          "city": "Southington",
          "state": "Connecticut"
        },
        {
          "city": "Centralia",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00910910"
    },
    {
      "nct_id": "NCT00748189",
      "title": "Ofatumumab + Chlorambucil vs Chlorambucil Monotherapy in Previously Untreated Patients With Chronic Lymphocytic Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Leukaemia, Lymphocytic, Chronic"
      ],
      "interventions": [
        {
          "name": "chlorambucil, tablets",
          "type": "DRUG"
        },
        {
          "name": "ofatumumab (GSK1841157) infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 447,
      "start_date": "2008-12-22",
      "completion_date": "2018-05-17",
      "has_results": true,
      "last_update_posted_date": "2019-06-25",
      "last_synced_at": "2026-09-03T07:59:59.961Z",
      "location_count": 30,
      "location_summary": "Sedona, Arizona • Tucson, Arizona • Murrieta, California + 25 more",
      "locations": [
        {
          "city": "Sedona",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Murrieta",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00748189"
    }
  ]
}