{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Isradipine",
    "query": {
      "intervention": "Isradipine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Isradipine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T14:07:19.820Z",
  "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": "NCT00593463",
      "title": "Drug Discrimination in Methadone-Maintained Humans Study 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug Dependence"
      ],
      "interventions": [
        {
          "name": "Cycloserine",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Isradipine",
          "type": "DRUG"
        },
        {
          "name": "Naloxone",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DEVICE"
        },
        {
          "name": "Verapamil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2006-09",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2011-03-11",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00593463"
    },
    {
      "nct_id": "NCT01895270",
      "title": "Improving Buprenorphine Detoxification Outcomes With Isradipine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Opioid Dependence"
      ],
      "interventions": [
        {
          "name": "Isradipine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 28,
      "start_date": "2013-10",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01895270"
    },
    {
      "nct_id": "NCT01007994",
      "title": "Reduction of Night-time Blood Pressure in Pediatric Renal Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Hypertension Secondary to Kidney Transplant"
      ],
      "interventions": [
        {
          "name": "New Medication: Enalapril, Isradipine, Propranolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "5 Years to 21 Years"
      },
      "enrollment_count": 33,
      "start_date": "2009-11",
      "completion_date": "2020-08",
      "has_results": true,
      "last_update_posted_date": "2021-04-13",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 2,
      "location_summary": "New Hyde Park, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01007994"
    },
    {
      "nct_id": "NCT00909545",
      "title": "Safety, Tolerability and Efficacy Assessment of Dynacirc CR in Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Isradipine CR 5mg",
          "type": "DRUG"
        },
        {
          "name": "Isradipine CR 10mg",
          "type": "DRUG"
        },
        {
          "name": "Isradipine CR 20mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2009-07",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2013-04-17",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 18,
      "location_summary": "Sunnyvale, California • New Haven, Connecticut • Jacksonville, Florida + 14 more",
      "locations": [
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909545"
    },
    {
      "nct_id": "NCT04467931",
      "title": "ACEI or ARB and COVID-19 Severity and Mortality in US Veterans",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension",
        "COVID"
      ],
      "interventions": [
        {
          "name": "ACEI/ARB",
          "type": "DRUG"
        },
        {
          "name": "Non-ACEI/ARB",
          "type": "DRUG"
        },
        {
          "name": "ACEI",
          "type": "DRUG"
        },
        {
          "name": "ARB",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22213,
      "start_date": "2020-01-19",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-28",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04467931"
    },
    {
      "nct_id": "NCT00442208",
      "title": "An Open-Label, Randomized, Comparative 3-Way Cross-Over Study to Evaluate the Effect of Food on the 24-Hour Intragastric pH at Day 5 After Twice Daily Oral Administration of PN 200 (Omeprazole/Naproxen) in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PN 200",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "POZEN",
      "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": 24,
      "start_date": "2007-01",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2008-04-22",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00442208"
    },
    {
      "nct_id": "NCT02168842",
      "title": "Efficacy of Isradipine in Early Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Isradipine",
          "type": "DRUG"
        },
        {
          "name": "Placebo (for Isradipine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 336,
      "start_date": "2014-11",
      "completion_date": "2018-11",
      "has_results": true,
      "last_update_posted_date": "2020-01-14",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 47,
      "location_summary": "Birmingham, Alabama • Sun City, Arizona • Fountain Valley, California + 40 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02168842"
    },
    {
      "nct_id": "NCT03538262",
      "title": "Assessing Tele-Health Outcomes in Multiyear Extensions of PD Trials",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 226,
      "start_date": "2018-10-01",
      "completion_date": "2022-03-21",
      "has_results": true,
      "last_update_posted_date": "2023-06-12",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03538262"
    },
    {
      "nct_id": "NCT01784666",
      "title": "Adjunctive Isradipine for the Treatment of Bipolar Depression",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "Isradipine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "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": "2013-02",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2017-04-20",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01784666"
    },
    {
      "nct_id": "NCT00753636",
      "title": "Parkinson's Disease Isradipine Safety Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Dynacirc CR (Isradipine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 31,
      "start_date": "2008-04",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2021-11-15",
      "last_synced_at": "2026-09-02T14:07:19.820Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00753636"
    }
  ]
}