{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ramipril+%28ACE+inhibitor%29",
    "query": {
      "intervention": "ramipril (ACE inhibitor)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ramipril+%28ACE+inhibitor%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T04:36:26.284Z",
  "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": "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": "2026-09-30T04:36:26.284Z",
      "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": "NCT00153101",
      "title": "Effectiveness and Safety of Ramipril Alone Compared With Telmisartan Alone and in Combination With Ramipril in Patients at High Risk for Cardiovascular Events. Patients Intolerant to Ramipril Were Entered in TRANSCEND, Telmisartan Compared to Placebo.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Telmisartan",
          "type": "DRUG"
        },
        {
          "name": "Combination of Telmisartan and Ramipril",
          "type": "DRUG"
        },
        {
          "name": "Ramipril",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 31546,
      "start_date": "2001-11",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-05-20",
      "last_synced_at": "2026-09-30T04:36:26.284Z",
      "location_count": 100,
      "location_summary": "Athens, Alabama • Birmingham, Alabama • Phoenix, Arizona + 84 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00153101"
    },
    {
      "nct_id": "NCT01234922",
      "title": "Benazepril Hydrochloride, Lisinopril, Ramipril, or Losartan Potassium in Treating Hypertension in Patients With Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "lisinopril",
          "type": "DRUG"
        },
        {
          "name": "losartan potassium",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "benazepril hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "ramipril",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2011-02",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2018-08-28",
      "last_synced_at": "2026-09-30T04:36:26.284Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01234922"
    },
    {
      "nct_id": "NCT01856361",
      "title": "Ramipril for the Treatment of Oligospermia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oligospermia",
        "Teratospermia",
        "Asthenozoospermia",
        "Male Infertility"
      ],
      "interventions": [
        {
          "name": "Ramipril",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 2,
      "start_date": "2013-07",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2017-06-02",
      "last_synced_at": "2026-09-30T04:36:26.284Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01856361"
    },
    {
      "nct_id": "NCT02924727",
      "title": "Prospective ARNI vs ACE Inhibitor Trial to DetermIne Superiority in Reducing Heart Failure Events After MI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "LCZ696 (sacubitril/valsartan)",
          "type": "DRUG"
        },
        {
          "name": "Ramipril",
          "type": "DRUG"
        },
        {
          "name": "Placebo of LCZ696",
          "type": "DRUG"
        },
        {
          "name": "Placebo of ramipril",
          "type": "DRUG"
        },
        {
          "name": "Valsartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo of valsartan",
          "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": 5669,
      "start_date": "2016-12-09",
      "completion_date": "2021-02-26",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-09-30T04:36:26.284Z",
      "location_count": 81,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Gilbert, Arizona + 74 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02924727"
    },
    {
      "nct_id": "NCT01867047",
      "title": "ACE-Inhibitor Effects on Total Hip and Knee Arthroplasty Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adverse Effects of Angiotensin-converting-enzyme Inhibitors",
        "Hypotension"
      ],
      "interventions": [
        {
          "name": "ACE-I Cessation group",
          "type": "DRUG"
        },
        {
          "name": "ACE-I Continuation group",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2013-06",
      "completion_date": "2016-06-24",
      "has_results": true,
      "last_update_posted_date": "2017-09-28",
      "last_synced_at": "2026-09-30T04:36:26.284Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01867047"
    },
    {
      "nct_id": "NCT01432106",
      "title": "The Study of Novel Dual Renin Angiotensin Aldosterone System (RAAS) Blockade; Valsartan/Aliskiren in African American Patients With Hypertension and the Metabolic Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypertension",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Aliskerin/Valsartan and Rampiril",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2011-02",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2013-11-18",
      "last_synced_at": "2026-09-30T04:36:26.284Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01432106"
    },
    {
      "nct_id": "NCT00355589",
      "title": "Ramipril and Hydrochlorothiazide Alone and in Combination for the Treatment of Essential Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension",
        "Blood Pressure, High"
      ],
      "interventions": [
        {
          "name": "Ramipril and hydrochlorothiazide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": null,
      "start_date": "2006-07",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2012-10-10",
      "last_synced_at": "2026-09-30T04:36:26.284Z",
      "location_count": 60,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Glendale, Arizona + 51 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00355589"
    },
    {
      "nct_id": "NCT00878969",
      "title": "Genes, Fibrinolysis and Endothelial Dysfunction- Dialysis Aim 3",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Oxidative Stress",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "valsartan (ARB)",
          "type": "DRUG"
        },
        {
          "name": "ramipril (ACE inhibitor)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 78,
      "start_date": "2010-01",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2016-02-15",
      "last_synced_at": "2026-09-30T04:36:26.284Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00878969"
    },
    {
      "nct_id": "NCT00044265",
      "title": "Treatment of Pediatric Hypertension With Altace Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "ramipril",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "6 Years to 16 Years"
      },
      "enrollment_count": 310,
      "start_date": "2002-07",
      "completion_date": "2004-11",
      "has_results": false,
      "last_update_posted_date": "2012-06-07",
      "last_synced_at": "2026-09-30T04:36:26.284Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Augusta, Georgia + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00044265"
    }
  ]
}