{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PH+probe+Testing",
    "query": {
      "intervention": "PH probe Testing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T19:58:49.157Z",
  "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": "NCT07716592",
      "title": "PROPER-GERD: A Prospective Crossover Study to Evaluate Probe Placement Optimization for Reflux Testing in Women and Lower-BMI Patients",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "GERD"
      ],
      "interventions": [
        {
          "name": "Bravo pH monitoring sessions",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2026-08",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-07T19:58:49.157Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07716592"
    },
    {
      "nct_id": "NCT01880892",
      "title": "Laryngopharyngeal Reflux Before and After Cricopharyngeal Myotomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux",
        "Zenker's Diverticulum"
      ],
      "interventions": [
        {
          "name": "Cricopharyngeal myotomy",
          "type": "PROCEDURE"
        },
        {
          "name": "PH probe Testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2013-06",
      "completion_date": "2018-01-02",
      "has_results": false,
      "last_update_posted_date": "2022-07-26",
      "last_synced_at": "2026-09-07T19:58:49.157Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01880892"
    },
    {
      "nct_id": "NCT02123498",
      "title": "The Study of Eustachian Tube Dysfunction and Laryngopharyngeal Reflux",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Eustachian Tube Dysfunction",
        "Laryngopharyngeal Reflux"
      ],
      "interventions": [
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Ranitidine",
          "type": "DRUG"
        },
        {
          "name": "Pantoprazole",
          "type": "DRUG"
        },
        {
          "name": "24-Hour Diagnostic pH-Probe Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Laryngoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Loma Linda University",
      "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": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-09-26",
      "last_synced_at": "2026-09-07T19:58:49.157Z",
      "location_count": 2,
      "location_summary": "Loma Linda, California • Redlands, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Redlands",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02123498"
    },
    {
      "nct_id": "NCT00335283",
      "title": "Efficacy of Lansoprazole in Chronic Post Nasal Drip",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Larynx Disease"
      ],
      "interventions": [
        {
          "name": "Lansoprazole Tablet",
          "type": "DRUG"
        },
        {
          "name": "PH and impedence testing",
          "type": "PROCEDURE"
        },
        {
          "name": "manometry",
          "type": "PROCEDURE"
        },
        {
          "name": "lansoprazole",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2006-08",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2012-08-21",
      "last_synced_at": "2026-09-07T19:58:49.157Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00335283"
    },
    {
      "nct_id": "NCT01824199",
      "title": "CYP2C19 Genotype Predictor of Gastric Acid Suppression",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Esophagitis"
      ],
      "interventions": [
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2013-03",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2017-10-11",
      "last_synced_at": "2026-09-07T19:58:49.157Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01824199"
    }
  ]
}