{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+Pump+Inhibitor+%28PPI%29+Therapy&page=4",
    "query": {
      "intervention": "Proton Pump Inhibitor (PPI) Therapy",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 113,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+Pump+Inhibitor+%28PPI%29+Therapy&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+Pump+Inhibitor+%28PPI%29+Therapy&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T20:28:11.022Z",
  "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": "NCT00251732",
      "title": "Role of Pain Modulation in GERD Patients Who Failed Standard Dose Proton Pump Inhibitors (PPI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease"
      ],
      "interventions": [
        {
          "name": "Standard dose (once daily) PPI plus low-dose antidepressant",
          "type": "DRUG"
        },
        {
          "name": "Double dose PPI plus evening placebo",
          "type": "DRUG"
        },
        {
          "name": "Rabeprazole , placebo, placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 150,
      "start_date": "2005-03",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2010-08-19",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00251732"
    },
    {
      "nct_id": "NCT00390390",
      "title": "Efficacy/Safety of Lansoprazole in Patients With Frequent Heartburn",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heartburn"
      ],
      "interventions": [
        {
          "name": "Lansoprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 576,
      "start_date": "2006-06",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2010-05-25",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 30,
      "location_summary": "Mobile, Alabama • Little Rock, Alaska • Chandler, Arizona + 26 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Alaska"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00390390"
    },
    {
      "nct_id": "NCT01265550",
      "title": "A Randomized Trial of Medical and Surgical Treatments for Patients With GERD Symptoms That Are Refractory to Proton Pump Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "GERD"
      ],
      "interventions": [
        {
          "name": "Nissen fundoplication",
          "type": "DEVICE"
        },
        {
          "name": "baclofen",
          "type": "DRUG"
        },
        {
          "name": "Desipramine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 366,
      "start_date": "2012-08-13",
      "completion_date": "2016-12-30",
      "has_results": true,
      "last_update_posted_date": "2020-01-22",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Loma Linda, California + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01265550"
    },
    {
      "nct_id": "NCT05602597",
      "title": "HMPL-689 Drug Interaction Study With CYP3A Inhibitor/CYP2C9 Inhibitor/CYP3A Inducer/PPI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Relapsed or Refractory Lymphoma"
      ],
      "interventions": [
        {
          "name": "Itraconazole 200 mg",
          "type": "DRUG"
        },
        {
          "name": "Fluconazole 400 mg",
          "type": "DRUG"
        },
        {
          "name": "Rifampin 600 mg",
          "type": "DRUG"
        },
        {
          "name": "Rabeprazole 40 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hutchmed",
      "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": 59,
      "start_date": "2022-06-01",
      "completion_date": "2022-08-06",
      "has_results": false,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05602597"
    },
    {
      "nct_id": "NCT02708355",
      "title": "Pilot Study To Investigate The Association Between Acid Control And Heartburn Symptoms After Proton Pump Inhibitor Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heartburn"
      ],
      "interventions": [
        {
          "name": "Esomeprazole 20 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 55,
      "start_date": "2016-01",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2017-04-19",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 2,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02708355"
    },
    {
      "nct_id": "NCT00057174",
      "title": "Economic Impact of Guidelines for Gastroesophageal Reflux Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease",
        "Health Economics"
      ],
      "interventions": [
        {
          "name": "Disease management of gastroesophageal reflux disease",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 484,
      "start_date": null,
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2015-04-07",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00057174"
    },
    {
      "nct_id": "NCT06264440",
      "title": "A Study to Assess the Potential for Gastric-pH Dependent Drug-Drug Interactions of BIIB122 With a Proton Pump Inhibitor in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "BIIB122",
          "type": "DRUG"
        },
        {
          "name": "Rabeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 18,
      "start_date": "2024-02-12",
      "completion_date": "2024-06-18",
      "has_results": false,
      "last_update_posted_date": "2024-07-19",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06264440"
    },
    {
      "nct_id": "NCT01042704",
      "title": "Bendamustine in Combination With Lenalidomide and Dexamethasone in Refractory or Relapsed Multiple Myeloma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Myeloma"
      ],
      "interventions": [
        {
          "name": "Bendamustine",
          "type": "DRUG"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Prophylaxis",
          "type": "DRUG"
        },
        {
          "name": "Antibiotic",
          "type": "DRUG"
        },
        {
          "name": "Biweekly Follow Up",
          "type": "OTHER"
        },
        {
          "name": "Cyclical Follow Up",
          "type": "OTHER"
        },
        {
          "name": "Restaging",
          "type": "OTHER"
        },
        {
          "name": "Post-Treatment Follow Up",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Robert Redner, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2008-02",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2017-07-31",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 22,
      "location_summary": "Detroit, Michigan • Steubenville, Ohio • Beaver, Pennsylvania + 13 more",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Steubenville",
          "state": "Ohio"
        },
        {
          "city": "Beaver",
          "state": "Pennsylvania"
        },
        {
          "city": "Clairton",
          "state": "Pennsylvania"
        },
        {
          "city": "Greensburg",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01042704"
    },
    {
      "nct_id": "NCT03561090",
      "title": "A Trial of IW-3718 for 8 Weeks in Patients With Persistent Gastroesophageal Reflux Disease (GERD) Receiving Proton Pump Inhibitors (PPIs)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease (GERD)"
      ],
      "interventions": [
        {
          "name": "IW-3718",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard-dose PPIs QD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ironwood Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 495,
      "start_date": "2018-06-20",
      "completion_date": "2020-11-03",
      "has_results": true,
      "last_update_posted_date": "2021-08-19",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 93,
      "location_summary": "Anniston, Alabama • Mobile, Alabama • Phoenix, Arizona + 81 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03561090"
    },
    {
      "nct_id": "NCT00795093",
      "title": "Partial Response to Proton Pump Inhibitors (PPI) Treatment: The Cost to Society and the Burden to the Patient - a Study in the US",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastroesophageal Reflux Disease (GERD)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 552,
      "start_date": "2008-11",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2010-05-11",
      "last_synced_at": "2026-10-08T20:28:11.022Z",
      "location_count": 53,
      "location_summary": "Leeds, Alabama • Pheonix, Arizona • Tucson, Arizona + 50 more",
      "locations": [
        {
          "city": "Leeds",
          "state": "Alabama"
        },
        {
          "city": "Pheonix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00795093"
    }
  ]
}