{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Omeprazole+40+mg",
    "query": {
      "intervention": "Omeprazole 40 mg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 103,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Omeprazole+40+mg&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T02:38:37.385Z",
  "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": "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": "2026-09-26T02:38:37.385Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03849690"
    },
    {
      "nct_id": "NCT00410592",
      "title": "Evaluation of 24-Hour Intragastric pH Using Esomeprazole, Lansoprazole, and Pantoprazole in Hispanic Patients With GERD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease"
      ],
      "interventions": [
        {
          "name": "Esomeprazole 40mg",
          "type": "DRUG"
        },
        {
          "name": "Pantoprazole 40mg",
          "type": "DRUG"
        },
        {
          "name": "Lansoprazole 30mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 90,
      "start_date": "2006-10",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2009-03-11",
      "last_synced_at": "2026-09-26T02:38:37.385Z",
      "location_count": 7,
      "location_summary": "Anaheim, California • Orange, California • San Diego, California + 4 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00410592"
    },
    {
      "nct_id": "NCT02023125",
      "title": "A Study Investigating the Effect of Food and Esomeprazole on the Single Oral Dose Pharmacokinetics of Alectinib (RO5424802) in Healthy Volunteers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "Alectinib",
          "type": "DRUG"
        },
        {
          "name": "Esomeprazole",
          "type": "DRUG"
        },
        {
          "name": "High Fat and Calorie Meal",
          "type": "OTHER"
        },
        {
          "name": "Standard Meal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": 42,
      "start_date": "2013-12",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2016-10-07",
      "last_synced_at": "2026-09-26T02:38:37.385Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02023125"
    },
    {
      "nct_id": "NCT00693225",
      "title": "Impact of Timing on the Efficacy of Zegerid 40 mg in Healing Reflux Esophagitis: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Erosive Esophagitis"
      ],
      "interventions": [
        {
          "name": "Omeprazole/sodium bicarbonate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yvonne Romero",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 91,
      "start_date": "2008-01",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2012-09-20",
      "last_synced_at": "2026-09-26T02:38:37.385Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00693225"
    },
    {
      "nct_id": "NCT00658775",
      "title": "Rabeprazole Extended-Release, 50 mg, Versus Esomeprazole, 40 mg, for Healing and Symptomatic Relief of Moderate to Severe Erosive Gastroesophageal Reflux Disease (GERD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease (GERD)"
      ],
      "interventions": [
        {
          "name": "Rabeprazole sodium",
          "type": "DRUG"
        },
        {
          "name": "Esomeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "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": 1069,
      "start_date": "2008-02",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2015-12-21",
      "last_synced_at": "2026-09-26T02:38:37.385Z",
      "location_count": 1,
      "location_summary": "Moline, Illinois",
      "locations": [
        {
          "city": "Moline",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00658775"
    },
    {
      "nct_id": "NCT00584922",
      "title": "Early Detection and Treatment of Esophageal Injury After Catheter Ablation for Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Endoscopy in group I (all patients)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 175,
      "start_date": "2006-12-05",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2019-07-15",
      "last_synced_at": "2026-09-26T02:38:37.385Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00584922"
    },
    {
      "nct_id": "NCT01458054",
      "title": "Effect of Omeprazole and Ritonavir on GSK2336805 Pharmacokinetics in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Cohort 1 (GSK2336805 60mg x 1 dose, Omeprazole 40 mg q24h x 4 days, GSK2336805 60 mg x 1 dose and Omeprazole 40 mg x 1 dose)",
          "type": "DRUG"
        },
        {
          "name": "Cohort 2 (GSK2336805 30mg x 1 dose, Ritonavir 100mg q12h x 4 days, and Ritonavir 100mg q12h x 1 dose)",
          "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": 28,
      "start_date": "2011-09-27",
      "completion_date": "2011-11-28",
      "has_results": false,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-09-26T02:38:37.385Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01458054"
    },
    {
      "nct_id": "NCT00170001",
      "title": "Which Supraesophageal Reflux Symptoms Reliably Respond to Proton-Pump-Inhibitor (PPI) Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastroesophageal Reflux"
      ],
      "interventions": [
        {
          "name": "Nexium",
          "type": "DRUG"
        },
        {
          "name": "Sugar Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2005-04",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2011-12-15",
      "last_synced_at": "2026-09-26T02:38:37.385Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00170001"
    },
    {
      "nct_id": "NCT01059383",
      "title": "Active Control, Double-blind, Double-dummy, Parallel-group, Randomized Study to Assess the Effect of VECAM 40/300, Administered at Bedtime, vs. Esomeprazole 20 mg, Administered 30-60 Min. Before Dinner, on Daytime and Nighttime GERD Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gastroesophageal Reflux"
      ],
      "interventions": [
        {
          "name": "VECAM 40/300",
          "type": "DRUG"
        },
        {
          "name": "Esomeprazole 20 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vecta Ltd.",
      "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": 52,
      "start_date": "2009-12",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-07-30",
      "last_synced_at": "2026-09-26T02:38:37.385Z",
      "location_count": 2,
      "location_summary": "San Diego, California • Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01059383"
    },
    {
      "nct_id": "NCT01901276",
      "title": "Effects of Gastric Acid on Colonic Microbiome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Clostridium Difficile"
      ],
      "interventions": [
        {
          "name": "Omeprazole 40 mg bid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daniel Freedberg, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2013-08",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2024-08-15",
      "last_synced_at": "2026-09-26T02:38:37.385Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01901276"
    }
  ]
}