{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Unexplained+Chronic+Cough",
    "query": {
      "condition": "Unexplained Chronic Cough"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Unexplained+Chronic+Cough&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T07:55:31.903Z",
  "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": "NCT05660850",
      "title": "A Study To Evaluate The Efficacy, Safety, Pharmacokinetics, And Pharmacodynamic Effects Of GDC-6599 In Patients With Chronic Cough",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Refractory Cough (CRC) With Non-atopic Asthma",
        "CRC With Atopic Asthma",
        "Unexplained Chronic Cough",
        "CRC With Chronic Obstructive Pulmonary Disease",
        "CRC With Chronic Obstructive Pulmonary Disease With Chronic Bronchitis"
      ],
      "interventions": [
        {
          "name": "GDC-6599",
          "type": "DRUG"
        },
        {
          "name": "GDC-6599-matching placebo",
          "type": "OTHER"
        },
        {
          "name": "Mannitol",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 49,
      "start_date": "2023-03-22",
      "completion_date": "2024-10-20",
      "has_results": true,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Northridge, California • Coral Gables, Florida + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "DuBois",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05660850"
    },
    {
      "nct_id": "NCT05392192",
      "title": "A Clinical Trial to Evaluate the Safety and Efficacy in Subjects With Chronic Cough",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Cough"
      ],
      "interventions": [
        {
          "name": "ADX-629",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aldeyra Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 51,
      "start_date": "2022-04-07",
      "completion_date": "2023-04-13",
      "has_results": true,
      "last_update_posted_date": "2025-02-28",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 14,
      "location_summary": "San Diego, California • San Jose, California • Hollywood, Florida + 11 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Loxahatchee Groves",
          "state": "Florida"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05392192"
    },
    {
      "nct_id": "NCT06634823",
      "title": "Efficacy of Intramuscular Steroid Injection for Chronic Cough.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Chronic Cough (CC)",
        "Laryngeal Disease",
        "Coughing"
      ],
      "interventions": [
        {
          "name": "Triamcinolone Acetonide Injectable Suspension",
          "type": "DRUG"
        },
        {
          "name": "Saline injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2024-12-02",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-14",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06634823"
    },
    {
      "nct_id": "NCT07070895",
      "title": "Cough Management Wellness App for Refractory or Unexplained Chronic Cough",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractory Chronic Cough",
        "Unexplained Chronic Cough",
        "Cough Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Cough Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CoughMonitor Suite",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Hyfe Inc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2025-03-27",
      "completion_date": "2025-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07070895"
    },
    {
      "nct_id": "NCT04471337",
      "title": "Study on the Safety of BAY1817080 How it is Tolerated and the Way the Body Absorbs, Distributes and Gets Rid of the Study Drug Given to Participants With Moderate Renal Impairment and End Stage Renal Disease Requiring Dialysis Compared With Matched Participants With Normal Renal Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Endometriosis Related Pain",
        "Overactive Bladder",
        "Diabetic Neuropathic Pain",
        "Refractory or Unexplained Chronic Cough"
      ],
      "interventions": [
        {
          "name": "BAY1817080",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 32,
      "start_date": "2020-08-12",
      "completion_date": "2021-05-06",
      "has_results": false,
      "last_update_posted_date": "2024-03-26",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Orlando, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04471337"
    },
    {
      "nct_id": "NCT06960759",
      "title": "Mechanisms of Change in Behavioral Cough Suppression Therapy for Refractory Chronic Cough",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Cough (CC)",
        "Refractory Chronic Cough",
        "Unexplained Chronic Cough"
      ],
      "interventions": [
        {
          "name": "BCS+inactive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "BCS+active",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "University of Montana",
      "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": 135,
      "start_date": "2026-06-29",
      "completion_date": "2030-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Atlanta, Georgia • Missoula, Montana",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Missoula",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06960759"
    },
    {
      "nct_id": "NCT06504446",
      "title": "Study to Assess the Efficacy, Safety, and Tolerability of NOC-110 in Adults With Refractory or Unexplained Chronic Cough",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Refractory or Unexplained Chronic Cough"
      ],
      "interventions": [
        {
          "name": "NOC-110",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Nocion Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 455,
      "start_date": "2024-09-24",
      "completion_date": "2026-06-29",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 68,
      "location_summary": "Foley, Alabama • Scottsdale, Arizona • Tempe, Arizona + 60 more",
      "locations": [
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06504446"
    },
    {
      "nct_id": "NCT03979638",
      "title": "A Dose Escalation Study of BLU-5937 in Unexplained or Refractory Chronic Cough",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Refractory Cough"
      ],
      "interventions": [
        {
          "name": "BLU-5937",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bellus Health Inc. - a GSK company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 68,
      "start_date": "2019-07-10",
      "completion_date": "2020-04-23",
      "has_results": true,
      "last_update_posted_date": "2021-08-03",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 8,
      "location_summary": "San Diego, California • San Jose, California • Largo, Florida + 5 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Largo",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Gastonia",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03979638"
    },
    {
      "nct_id": "NCT04454424",
      "title": "Study on the Safety of BAY1817080, How it is Tolerated and the Way the Body Absorbs, Distributes and Gets Rid of the Study Drug in Participants With Impaired Liver Function or Normal Liver Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Endometriosis Related Pain",
        "Overactive Bladder",
        "Diabetic Neuropathic Pain",
        "Refractory or Unexplained Chronic Cough"
      ],
      "interventions": [
        {
          "name": "BAY1817080",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 37,
      "start_date": "2020-07-23",
      "completion_date": "2021-12-15",
      "has_results": false,
      "last_update_posted_date": "2023-01-20",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Orlando, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04454424"
    },
    {
      "nct_id": "NCT05600777",
      "title": "A 24-Week Study of the Efficacy and Safety of BLU-5937 in Adults With Refractory Chronic Cough",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cough",
        "Refractory Chronic Cough"
      ],
      "interventions": [
        {
          "name": "BLU-5937",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bellus Health Inc. - a GSK company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 975,
      "start_date": "2022-12-05",
      "completion_date": "2027-03-17",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-06-27T07:55:31.903Z",
      "location_count": 56,
      "location_summary": "Foley, Alabama • Litchfield Park, Arizona • Phoenix, Arizona + 49 more",
      "locations": [
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05600777"
    }
  ]
}