{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prilosec+OTC+%28omeprazole-magnesium%29",
    "query": {
      "intervention": "Prilosec OTC (omeprazole-magnesium)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 45,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prilosec+OTC+%28omeprazole-magnesium%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T09:26:13.022Z",
  "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": "NCT00664209",
      "title": "Treating H. Pylori in Parkinson's Patients With Motor Fluctuations",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Helicobacter Infections",
        "Motor Fluctuations"
      ],
      "interventions": [
        {
          "name": "clartihromycin, amoxicillin, and omeprazole",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 64,
      "start_date": "2008-01",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2017-12-02",
      "last_synced_at": "2026-10-06T09:26:13.022Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00664209"
    },
    {
      "nct_id": "NCT01777854",
      "title": "Anti-reflux Control to Decrease Post Tonsillectomy Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux",
        "Throat Pain"
      ],
      "interventions": [
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ascension Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 6,
      "start_date": "2013-01",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2018-10-24",
      "last_synced_at": "2026-10-06T09:26:13.022Z",
      "location_count": 1,
      "location_summary": "Grand Blanc, Michigan",
      "locations": [
        {
          "city": "Grand Blanc",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01777854"
    },
    {
      "nct_id": "NCT01218620",
      "title": "Gamma-Secretase/Notch Signalling Pathway Inhibitor RO4929097 in Treating Patients With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Gamma-Secretase Inhibitor RO4929097",
          "type": "DRUG"
        },
        {
          "name": "Ketoconazole",
          "type": "DRUG"
        },
        {
          "name": "Rifampin",
          "type": "DRUG"
        },
        {
          "name": "Midazolam Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Tolbutamide",
          "type": "DRUG"
        },
        {
          "name": "Dextromethorphan Hydrobromide",
          "type": "DRUG"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2010-09",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2014-12-23",
      "last_synced_at": "2026-10-06T09:26:13.022Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01218620"
    },
    {
      "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": "2026-10-06T09:26:13.022Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01901276"
    },
    {
      "nct_id": "NCT00903448",
      "title": "Comparison of Prilosec Over-the-counter (OTC)® Versus Prevacid® for Gastric Acid Suppression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Prilosec OTC (omeprazole-magnesium)",
          "type": "DRUG"
        },
        {
          "name": "Prevacid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Procter and Gamble",
      "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": 40,
      "start_date": "2009-04",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2010-12-31",
      "last_synced_at": "2026-10-06T09:26:13.022Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00903448"
    },
    {
      "nct_id": "NCT02922933",
      "title": "A Study to Examine the Effect of Omeprazole, Famotidine, and an Acidic Beverage on the Pharmacokinetics of Entinostat in Healthy Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Volunteers",
        "Healthy Volunteers",
        "Human Volunteers",
        "Normal Volunteers"
      ],
      "interventions": [
        {
          "name": "entinostat",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Famotidine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Syndax Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "19 Years to 55 Years"
      },
      "enrollment_count": 66,
      "start_date": "2016-10-25",
      "completion_date": "2017-05-08",
      "has_results": false,
      "last_update_posted_date": "2018-08-16",
      "last_synced_at": "2026-10-06T09:26:13.022Z",
      "location_count": 2,
      "location_summary": "Tempe, Arizona • Lincoln, Nebraska",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02922933"
    },
    {
      "nct_id": "NCT02453022",
      "title": "A 5-Period, Single Dose, Phase 1 Study in Healthy Elderly Subjects to Assess Relative Bioavailability and Food Effect of Two Oral Formulations of GSK1325756 (Free Base vs HBr Salt) and Food Effect on the HBr Formulation When Given With Omeprazole",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Danirixin HBr 50 mg IR Tablet",
          "type": "DRUG"
        },
        {
          "name": "Danirixin FB 50 mg IR Tablet",
          "type": "DRUG"
        },
        {
          "name": "Prilosec (omeprazole) 40mg Delayed-Release capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "65 Years to 80 Years"
      },
      "enrollment_count": 18,
      "start_date": "2015-05-18",
      "completion_date": "2015-07-31",
      "has_results": false,
      "last_update_posted_date": "2018-07-24",
      "last_synced_at": "2026-10-06T09:26:13.022Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02453022"
    },
    {
      "nct_id": "NCT05319912",
      "title": "A Study of ALXN1840 (Coated and Non-coated) Administered With And Without Omeprazole In Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "ALXN1840 Enteric-coated Tablet",
          "type": "DRUG"
        },
        {
          "name": "ALXN1840 Non-coated Capsule",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "19 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2014-04-07",
      "completion_date": "2014-05-29",
      "has_results": true,
      "last_update_posted_date": "2023-08-02",
      "last_synced_at": "2026-10-06T09:26:13.022Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05319912"
    },
    {
      "nct_id": "NCT00942136",
      "title": "GSK1349572 Proton Pump Inhibitor Drug Interaction and Supratherapeutic Dose Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "GSK1349572",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "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": 24,
      "start_date": "2009-07",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2009-10-09",
      "last_synced_at": "2026-10-06T09:26:13.022Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00942136"
    },
    {
      "nct_id": "NCT02609386",
      "title": "IRX-2 Regimen in Patients With Newly Diagnosed Stage II, III, or IVA Squamous Cell Carcinoma of the Oral Cavity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of the Oral Cavity"
      ],
      "interventions": [
        {
          "name": "IRX-2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Indomethacin",
          "type": "DRUG"
        },
        {
          "name": "Zinc-containing multivitamin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Brooklyn ImmunoTherapeutics, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2016-01-11",
      "completion_date": "2022-02-28",
      "has_results": true,
      "last_update_posted_date": "2024-01-30",
      "last_synced_at": "2026-10-06T09:26:13.022Z",
      "location_count": 13,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 10 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02609386"
    }
  ]
}