{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=SGRQ",
    "query": {
      "intervention": "SGRQ"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=SGRQ&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T21:02:37.843Z",
  "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": "NCT06925295",
      "title": "Using Xe MRI to Guide Radiation Therapy for Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Imaging Techniques"
      ],
      "interventions": [
        {
          "name": "Xenon MRI",
          "type": "DRUG"
        },
        {
          "name": "Pulmonary Function Testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Quality of Life Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Medical Research Council Dyspnea score",
          "type": "OTHER"
        },
        {
          "name": "St. George's Respiratory Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Blood Biomarkers",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Sean Fain",
      "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": 15,
      "start_date": "2025-08-30",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-02",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06925295"
    },
    {
      "nct_id": "NCT03002389",
      "title": "Hyperpolarized Xenon-129 MRI: a New Multi-dimensional Biomarker to Determine Pulmonary Physiologic Responses to COPD Therapeutics",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Anoro Ellipta",
          "type": "DRUG"
        },
        {
          "name": "Arnuity Ellipta",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 95,
      "start_date": "2017-11-05",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-18",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 1,
      "location_summary": "Keswick, Virginia",
      "locations": [
        {
          "city": "Keswick",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03002389"
    },
    {
      "nct_id": "NCT03959982",
      "title": "HHHFA in COPD Patients, With Chronic Bronchitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "HHHFA Device",
          "type": "DEVICE"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "6-minute walk",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CT scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Medical Research Council dyspnea scale (MRC)",
          "type": "OTHER"
        },
        {
          "name": "St. George's Respiratory Questionnaire (SGRQ)",
          "type": "OTHER"
        },
        {
          "name": "COPD Assessment Test (CAT)",
          "type": "OTHER"
        },
        {
          "name": "Pittsburgh Sleep Quality Index (PSQI)",
          "type": "OTHER"
        },
        {
          "name": "CASA-Q",
          "type": "OTHER"
        },
        {
          "name": "Spirehealth Tag Device",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Spyridon Fortis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 11,
      "start_date": "2021-02-24",
      "completion_date": "2022-12-05",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03959982"
    },
    {
      "nct_id": "NCT03034967",
      "title": "Danirixin Dose Ranging Study in Participants With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Danirixin",
          "type": "DRUG"
        },
        {
          "name": "Danirixin matching placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard of care",
          "type": "DRUG"
        },
        {
          "name": "Rescue medication",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 614,
      "start_date": "2017-04-25",
      "completion_date": "2018-10-05",
      "has_results": true,
      "last_update_posted_date": "2020-10-28",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Topeka, Kansas • St Louis, Missouri + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Topeka",
          "state": "Kansas"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Greensboro",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03034967"
    },
    {
      "nct_id": "NCT03121300",
      "title": "Functional Imaging in Lung SBRT",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "CT Scan",
          "type": "OTHER"
        },
        {
          "name": "Lung CT",
          "type": "OTHER"
        },
        {
          "name": "MRI",
          "type": "OTHER"
        },
        {
          "name": "Walk Test",
          "type": "OTHER"
        },
        {
          "name": "SGRQ",
          "type": "OTHER"
        },
        {
          "name": "Biological Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "Toxicity",
          "type": "OTHER"
        },
        {
          "name": "Cardiac Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2017-02-06",
      "completion_date": "2019-08-30",
      "has_results": false,
      "last_update_posted_date": "2019-10-17",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03121300"
    },
    {
      "nct_id": "NCT03269721",
      "title": "COPD-Related Physiology and the Brain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive (COPD)",
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Neuropsychological Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Spirometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Arterial Blood Gas",
          "type": "PROCEDURE"
        },
        {
          "name": "Diffusion Capacity of the Lung for Carbon Monoxide",
          "type": "PROCEDURE"
        },
        {
          "name": "6 Minute Walk Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Systemic Vascular Measures",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Biomarkers",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Symptom Questionnaire Measures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brain MRI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "DIAGNOSTIC_TEST",
        "BIOLOGICAL"
      ],
      "sponsor": "Karin Hoth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "30 Years to 85 Years"
      },
      "enrollment_count": 170,
      "start_date": "2017-05-01",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03269721"
    },
    {
      "nct_id": "NCT05074875",
      "title": "COVID-19 Respiratory Outcomes Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Questionnaires and Patient Reported Outcomes (PROs)",
          "type": "OTHER"
        },
        {
          "name": "Nasal Swab COVID-19 reverse transcription polymerase chain reaction test (RT-PCR)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Samples for Biomarkers",
          "type": "GENETIC"
        },
        {
          "name": "High Resolution Computed Tomography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Physical Exam and Vital Signs",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Medical Research Council Sum Score",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hand Grip Strength",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Diffusing Capacity of Carbon Monoxide",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "6 Minute Walk Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Sit to Stand (STS) Measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST",
        "GENETIC"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2021-01-15",
      "completion_date": "2023-05-09",
      "has_results": false,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 4,
      "location_summary": "St Louis, Missouri • New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05074875"
    },
    {
      "nct_id": "NCT00259909",
      "title": "Observational Study Of An Electronic Questionnaire In Patients With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive",
        "Infections, Bacterial"
      ],
      "interventions": [
        {
          "name": "GSK questionnaire",
          "type": "OTHER"
        },
        {
          "name": "St. George's Respiratory Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Acute Short Form 12 version 2",
          "type": "OTHER"
        },
        {
          "name": "Global Efficacy questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 259,
      "start_date": "2005-11-02",
      "completion_date": "2006-11-07",
      "has_results": false,
      "last_update_posted_date": "2017-10-12",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 79,
      "location_summary": "Birmingham, Alabama • Hueytown, Alabama • Jasper, Alabama + 69 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hueytown",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00259909"
    },
    {
      "nct_id": "NCT02654145",
      "title": "Omalizumab to Mepolizumab Switch Study in Severe Eosinophilic Asthma Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Mepolizumab 100mg SC",
          "type": "DRUG"
        },
        {
          "name": "Albuterol/salbutamol MDIs",
          "type": "DRUG"
        },
        {
          "name": "Omalizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 145,
      "start_date": "2016-03-17",
      "completion_date": "2017-05-31",
      "has_results": true,
      "last_update_posted_date": "2019-08-19",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • Riverside, California • Roseville, California + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02654145"
    },
    {
      "nct_id": "NCT02152605",
      "title": "A Phase IIIb Study to Evaluate the Efficacy of Umeclidinium/Vilanterol (UMEC/VI) in Subjects With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "UMEC/VI",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 498,
      "start_date": "2014-09-01",
      "completion_date": "2015-03-05",
      "has_results": true,
      "last_update_posted_date": "2017-11-09",
      "last_synced_at": "2026-09-10T21:02:37.843Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • Upland, California • Clearwater, Florida + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Saint Charles",
          "state": "Missouri"
        },
        {
          "city": "Anderson",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02152605"
    }
  ]
}