{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Laryngopharyngeal+Reflux+%28LPR%29",
    "query": {
      "condition": "Laryngopharyngeal Reflux (LPR)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T08:09:33.723Z",
  "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": "NCT02530879",
      "title": "Comparison of Voice Therapy and Antireflex Therapy in LPR",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux"
      ],
      "interventions": [
        {
          "name": "Omeprazole, Lansoprazole, Esomeprazole, Rantidine",
          "type": "DRUG"
        },
        {
          "name": "Voice therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combination of anti-reflux medication and voice therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2016-05",
      "completion_date": "2018-01",
      "has_results": false,
      "last_update_posted_date": "2018-05-18",
      "last_synced_at": "2026-06-10T08:09:33.723Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02530879"
    },
    {
      "nct_id": "NCT01328652",
      "title": "Dexlansoprazole to Treat Laryngopharyngeal Reflux and Lingual Tonsil Hypertrophy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux",
        "Hypertrophy of Lingual Tonsil"
      ],
      "interventions": [
        {
          "name": "dexlansoprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Advanced Center for Specialty Care",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 80,
      "start_date": "2011-06",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2011-04-05",
      "last_synced_at": "2026-06-10T08:09:33.723Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01328652"
    },
    {
      "nct_id": "NCT05579587",
      "title": "Transoral Incisionless Fundoplication (TIF) for Laryngopharyngeal Reflux (LPR) Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastroesophageal Reflux Disease (GERD)",
        "Laryngopharyngeal Reflux (LPR)",
        "Reflux Disease, Gastro-Esophageal",
        "Motility Disorder"
      ],
      "interventions": [
        {
          "name": "Transoral Incisionless Fundoplication",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-03-30",
      "completion_date": "2025-02-28",
      "has_results": false,
      "last_update_posted_date": "2024-08-05",
      "last_synced_at": "2026-06-10T08:09:33.723Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05579587"
    },
    {
      "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": "2026-06-10T08:09:33.723Z",
      "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": "NCT00321503",
      "title": "Study of an Oropharyngeal Aerosolized pH Probe for Diagnosing Laryngopharyngeal Reflux (LPR)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Laryngopharyngeal Reflux"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2006-05",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2013-12-09",
      "last_synced_at": "2026-06-10T08:09:33.723Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00321503"
    },
    {
      "nct_id": "NCT04827355",
      "title": "Reflux Band in Laryngopharyngeal Reflux",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux"
      ],
      "interventions": [
        {
          "name": "External Upper Esophageal Sphincter (UES) Compression Device",
          "type": "DEVICE"
        },
        {
          "name": "Sham Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 72,
      "start_date": "2021-05-07",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-04-08",
      "last_synced_at": "2026-06-10T08:09:33.723Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04827355"
    },
    {
      "nct_id": "NCT01755221",
      "title": "Positive Predictive Value of the Dx-pH Probe for Predicting PPI Response in LPR",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Laryngopharyngeal Reflux (LPR)",
        "Extraesophageal Reflux",
        "Reflux Laryngitis",
        "Posterior Laryngitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 42,
      "start_date": "2012-08",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-06-10T08:09:33.723Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01755221"
    },
    {
      "nct_id": "NCT01308502",
      "title": "A New Nasopharyngeal pH Probe for Diagnosis of Laryngopharyngeal Reflux",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux"
      ],
      "interventions": [
        {
          "name": "Dx-pH probe",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Month to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2010-01",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-03-30",
      "last_synced_at": "2026-06-10T08:09:33.723Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01308502"
    },
    {
      "nct_id": "NCT02923362",
      "title": "Registry of Outcomes From AntiReflux Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastroesophageal Reflux Disease",
        "Hiatal Hernia"
      ],
      "interventions": [
        {
          "name": "Laparoscopic Fundoplication",
          "type": "PROCEDURE"
        },
        {
          "name": "LINX Antireflux",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "The Heartburn Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 2500,
      "start_date": "2016-05",
      "completion_date": "2025-05",
      "has_results": false,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-06-10T08:09:33.723Z",
      "location_count": 19,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Heber Springs, Arkansas + 15 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Heber Springs",
          "state": "Arkansas"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02923362"
    },
    {
      "nct_id": "NCT00274339",
      "title": "Prevacid vs Lifestyle Modifications for the Treatment of LPR",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux"
      ],
      "interventions": [
        {
          "name": "Prevacid 30mg BID",
          "type": "DRUG"
        },
        {
          "name": "Lifestyle changes of exercise and diet changes for weight loss and avoidance of reflux inducing foods.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Hodge, Kenneth M., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 135,
      "start_date": "2005-12",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2007-06-25",
      "last_synced_at": "2026-06-10T08:09:33.723Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00274339"
    }
  ]
}