{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Rabeprazole+ER",
    "query": {
      "intervention": "Rabeprazole ER"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T15:59:44.408Z",
  "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": "NCT00658528",
      "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": 1061,
      "start_date": "2008-02",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2015-12-21",
      "last_synced_at": "2026-09-03T15:59:44.408Z",
      "location_count": 1,
      "location_summary": "Anaheim, California",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00658528"
    },
    {
      "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": "2026-09-03T15:59:44.408Z",
      "location_count": 1,
      "location_summary": "Moline, Illinois",
      "locations": [
        {
          "city": "Moline",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00658775"
    },
    {
      "nct_id": "NCT01153659",
      "title": "A Study to Evaluate the Effect on 24-hour, Intragastric pH of RAB ER 50-mg Capsules Compared With Esomeprazole (Nexium) 40 mg Capsules and Rabeprazole (Aciphex) 20-mg Tablets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "E3810",
          "type": "DRUG"
        },
        {
          "name": "Aciphex (rabeprazole)",
          "type": "DRUG"
        },
        {
          "name": "Nexium (esomeprazole)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai 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": 90,
      "start_date": "2010-07",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2013-11-01",
      "last_synced_at": "2026-09-03T15:59:44.408Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01153659"
    },
    {
      "nct_id": "NCT00911534",
      "title": "Comparing the Efficacy, Safety, and Tolerability of Rabeprazole ER 50 mg With Placebo in Subjects With Symptomatic Gastroesophageal Reflux Disease (sGERD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Symptomatic Gastroesophageal Reflux Disease (sGERD)"
      ],
      "interventions": [
        {
          "name": "rabeprazole sodium",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 305,
      "start_date": "2009-01",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2016-02-02",
      "last_synced_at": "2026-09-03T15:59:44.408Z",
      "location_count": 98,
      "location_summary": "Athens, Alabama • Huntsville, Alabama • Tucson, Arizona + 87 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00911534"
    },
    {
      "nct_id": "NCT00658632",
      "title": "Rabeprazole Extended-Release 50 mg Versus Esomeprazole 40 mg for Healing and Symptomatic Relief of Mild to Moderate 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": 1397,
      "start_date": "2008-02",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2016-05-04",
      "last_synced_at": "2026-09-03T15:59:44.408Z",
      "location_count": 85,
      "location_summary": "Huntsville, Alabama • Tucson, Arizona • Little Rock, Arkansas + 73 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Sherwood",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00658632"
    },
    {
      "nct_id": "NCT00838526",
      "title": "Rabeprazole Extended-Release 50 mg vs. Ranitidine 150 mg for Maintenance of Healed Erosive Gastroesophageal Reflux Disease (GERD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease (GERD)"
      ],
      "interventions": [
        {
          "name": "Rabeprazole ER",
          "type": "DRUG"
        },
        {
          "name": "Ranitidine",
          "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": 240,
      "start_date": "2008-08-31",
      "completion_date": "2009-12-31",
      "has_results": true,
      "last_update_posted_date": "2022-04-25",
      "last_synced_at": "2026-09-03T15:59:44.408Z",
      "location_count": 4,
      "location_summary": "Moline, Illinois",
      "locations": [
        {
          "city": "Moline",
          "state": "Illinois"
        },
        {
          "city": "Moline",
          "state": "Illinois"
        },
        {
          "city": "Moline",
          "state": "Illinois"
        },
        {
          "city": "Moline",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00838526"
    },
    {
      "nct_id": "NCT00839306",
      "title": "Rabeprazole Extended Release 50 mg Versus Ranitidine 150 mg for Maintenance of Healed Erosive Gastroesophageal Reflux Disease (GERD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease (GERD)"
      ],
      "interventions": [
        {
          "name": "Rabeprazole ER",
          "type": "DRUG"
        },
        {
          "name": "Ranitidine",
          "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": 240,
      "start_date": "2008-08",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2016-02-08",
      "last_synced_at": "2026-09-03T15:59:44.408Z",
      "location_count": 4,
      "location_summary": "Moline, Illinois",
      "locations": [
        {
          "city": "Moline",
          "state": "Illinois"
        },
        {
          "city": "Moline",
          "state": "Illinois"
        },
        {
          "city": "Moline",
          "state": "Illinois"
        },
        {
          "city": "Moline",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00839306"
    }
  ]
}