{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diltiazem&page=2",
    "query": {
      "intervention": "Diltiazem",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 59,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diltiazem&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diltiazem&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T22:20:15.282Z",
  "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": "NCT02300259",
      "title": "A Study of LY2623091 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "LY2623091",
          "type": "DRUG"
        },
        {
          "name": "Itraconazole",
          "type": "DRUG"
        },
        {
          "name": "Simvastatin",
          "type": "DRUG"
        },
        {
          "name": "Tadalafil",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 48,
      "start_date": "2014-11",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2020-06-26",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 1,
      "location_summary": "Daytona Beach, Florida",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02300259"
    },
    {
      "nct_id": "NCT00319982",
      "title": "Treatment of Preclinical Hypertrophic Cardiomyopathy With Diltiazem",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Diltiazem",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "5 Years to 39 Years"
      },
      "enrollment_count": 39,
      "start_date": "2006-01",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-04-07",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00319982"
    },
    {
      "nct_id": "NCT01645826",
      "title": "Efficacy Study of Cardizem in Pulmonary Arterial Hypertension",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Idiopathic Pulmonary Arterial Hypertension",
        "Primary Pulmonary Hypertension",
        "Pulmonary Arterial Hypertension",
        "Familial Primary Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Diltiazem Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Sugar Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2012-07",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2018-11-20",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01645826"
    },
    {
      "nct_id": "NCT07232589",
      "title": "A Study of the Effect of Diltiazem on the Plasma Levels of Nemtabrutinib (MK-1026-022)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Nemtabrutinib",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 26,
      "start_date": "2025-12-08",
      "completion_date": "2026-06-17",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07232589"
    },
    {
      "nct_id": "NCT04234477",
      "title": "Assessment of Intravenous Rate Control Response in Atrial Fibrillation Trial (AIRCRAFT)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Beta-blocker strategy",
          "type": "DRUG"
        },
        {
          "name": "Calcium channel blocker strategy",
          "type": "DRUG"
        },
        {
          "name": "Physician preference strategy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-12",
      "completion_date": "2022-06",
      "has_results": false,
      "last_update_posted_date": "2021-12-15",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04234477"
    },
    {
      "nct_id": "NCT00803634",
      "title": "Clevidipine in the Treatment of Blood Pressure in Patients With Acute Heart Failure (PRONTO)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Clevidipine",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care IV antihypertensive",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Medicines Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 117,
      "start_date": "2008-12",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2014-08-29",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 9,
      "location_summary": "Montgomery, Alabama • Inglewood, California • Baton Rouge, Louisiana + 6 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Inglewood",
          "state": "California"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00803634"
    },
    {
      "nct_id": "NCT06534671",
      "title": "Diltiazem in Jervell and Lange-Nielsen Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Jervell and Lange Nielsen Syndrome"
      ],
      "interventions": [
        {
          "name": "diltiazem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2024-10-16",
      "completion_date": "2024-10-23",
      "has_results": true,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06534671"
    },
    {
      "nct_id": "NCT01914926",
      "title": "Comparison of Diltiazem and Metoprolol in the Management of Acute Atrial Fibrillation or Atrial Flutter",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Rate and Rhythm Disorders"
      ],
      "interventions": [
        {
          "name": "Metoprolol",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Antonios Likourezos",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2009-06",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2014-05-15",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01914926"
    },
    {
      "nct_id": "NCT01852565",
      "title": "Study to Determine the Effect of Repeated Administration of Diltiazem on the Pharmacokinetics of Darapladib (Sb-480848).",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atherosclerosis"
      ],
      "interventions": [
        {
          "name": "Darapladib",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 36,
      "start_date": "2013-05-14",
      "completion_date": "2013-09-30",
      "has_results": false,
      "last_update_posted_date": "2017-07-13",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01852565"
    },
    {
      "nct_id": "NCT06554639",
      "title": "A Drug-Drug Interaction Study of Diltiazem and MK-5684 in Healthy Adult Male Participants (MK-5684-011)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "MK-5684",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Fludrocortisone acetate",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem hydrocholoride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2024-07-11",
      "completion_date": "2024-08-29",
      "has_results": false,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-09-30T22:20:15.282Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06554639"
    }
  ]
}