{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Esomeprazole+%28Nexium%29+40+mg%2Fday",
    "query": {
      "intervention": "Esomeprazole (Nexium) 40 mg/day"
    },
    "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=Esomeprazole+%28Nexium%29+40+mg%2Fday&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T11:04:35.402Z",
  "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": "NCT00444236",
      "title": "Effect of Acid Reflux on Respiratory Physiology During Exercise in Athletes With GER-Response to Acid Suppression",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Exercise Triggered Asthma",
        "Gastroesophageal Reflux"
      ],
      "interventions": [
        {
          "name": "Nexium",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 31,
      "start_date": "2007-04",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2016-01-21",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00444236"
    },
    {
      "nct_id": "NCT01089959",
      "title": "Effect of Esomeprazole 40 mg.Daily for 7 Days on Acid Reflux and Related Arousals During Sleep in Patients With GERD",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease"
      ],
      "interventions": [
        {
          "name": "esomeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Southern Arizona VA Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2010-03",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2010-08-19",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01089959"
    },
    {
      "nct_id": "NCT01079884",
      "title": "Gastroesophageal Reflux Disease (GERD)/Nighttime Heartburn and Driving Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "GERD"
      ],
      "interventions": [
        {
          "name": "esomeprazole 40 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "David A. Johnson, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 18,
      "start_date": "2008-07",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2012-02-22",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01079884"
    },
    {
      "nct_id": "NCT00230516",
      "title": "Study of 24-hour Intragastric pH Profiles of Esomeprazole 40 mg and Lansoprazole 30 mg in Healthy Volunteer Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Nexium",
          "type": "DRUG"
        },
        {
          "name": "Prevacid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 100,
      "start_date": "2005-09",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2013-01-04",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00230516"
    },
    {
      "nct_id": "NCT00069823",
      "title": "Study of Acid Reflux in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma",
        "Lung Diseases",
        "Lung Diseases, Obstructive"
      ],
      "interventions": [
        {
          "name": "Esomeprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo proton pump inhibitor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 403,
      "start_date": "2003-09",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2012-12-19",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • San Diego, California • Denver, Colorado + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00069823"
    },
    {
      "nct_id": "NCT00206180",
      "title": "NEXIUM® in the Treatment of Moderate and Severe Erosive Esophagitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Erosive Esophagitis",
        "Reflux Esophagitis",
        "Gastroesophageal Reflux Disease"
      ],
      "interventions": [
        {
          "name": "esomeprazole magnesium (oral medication)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 120,
      "start_date": "2004-06",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2009-03-26",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 39,
      "location_summary": "Alabaster, Alabama • Anaheim, California • Dinuba, California + 36 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Dinuba",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00206180"
    },
    {
      "nct_id": "NCT03849690",
      "title": "A Trial to Evaluate the Effect of the Proton Pump Inhibitor Esomeprazole on the Single-dose Pharmacokinetics (PK) of Oral TAK-906 in Healthy Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "TAK-906",
          "type": "DRUG"
        },
        {
          "name": "Esomeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Millennium Pharmaceuticals, Inc.",
      "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": 12,
      "start_date": "2019-02-27",
      "completion_date": "2019-04-15",
      "has_results": true,
      "last_update_posted_date": "2021-06-15",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03849690"
    },
    {
      "nct_id": "NCT00317044",
      "title": "Safety and Efficacy Study to Determine Anti-Asthmatic Effect of Esomeprazole Magnesium; Nexium Reflux Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma",
        "GERD"
      ],
      "interventions": [
        {
          "name": "Esomeprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 961,
      "start_date": "2006-04",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2014-06-09",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00317044"
    },
    {
      "nct_id": "NCT01216293",
      "title": "Effect of Dexlansoprazole on Bone Homeostasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Homeostasis",
        "Bone and Bones"
      ],
      "interventions": [
        {
          "name": "Dexlansoprazole",
          "type": "DRUG"
        },
        {
          "name": "Esomeprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "Up to 75 Years · Female only"
      },
      "enrollment_count": 115,
      "start_date": "2010-11-01",
      "completion_date": "2015-02-01",
      "has_results": true,
      "last_update_posted_date": "2024-03-18",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 12,
      "location_summary": "San Diego, California • Walnut Creek, California • Lakewood, Colorado + 9 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Jupiter",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01216293"
    },
    {
      "nct_id": "NCT01129713",
      "title": "Comparison of Nexium Versus Secretol in the Healing and Controlling of Symptoms in GERD Patients With Severe EE.",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease (GERD)",
        "Heartburn",
        "Indigestion"
      ],
      "interventions": [
        {
          "name": "Secretol",
          "type": "DRUG"
        },
        {
          "name": "Nexium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Effexus Pharmaceutical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2010-05",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2014-08-05",
      "last_synced_at": "2026-10-08T11:04:35.402Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01129713"
    }
  ]
}