{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+DISKUS&page=2",
    "query": {
      "intervention": "Placebo DISKUS",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+DISKUS&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T23:37:45.381Z",
  "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": "NCT01089127",
      "title": "Efficacy and Safety of Different Doses of Indacaterol in Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol 50 μg",
          "type": "DRUG"
        },
        {
          "name": "Placebo to indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo to salmeterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 552,
      "start_date": "2010-03",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2011-08-19",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 69,
      "location_summary": "Florence, Alabama • Jasper, Alabama • Phoenix, Arizona + 63 more",
      "locations": [
        {
          "city": "Florence",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Searcy",
          "state": "Arkansas"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01089127"
    },
    {
      "nct_id": "NCT01706328",
      "title": "A Study to Assess the Efficacy of Fluticasone Furoate/Vilanterol (FF/VI) Inhalation Powder 100/25 mcg Once Daily Compared With Fluticasone Propionate/Salmeterol Inhalation Powder 250/50 mcg Twice Daily in Subjects With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "FF/VI 100/25 Inhalation Powder NDPI",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone Propionate/Salmeterol 250/50 Inhalation Powder ACCUHALER/DISKUS",
          "type": "DRUG"
        },
        {
          "name": "Placebo Inhalation Powder NDPI",
          "type": "DRUG"
        },
        {
          "name": "Placebo Inhalation Powder ACCUHALER/DISKUS",
          "type": "DRUG"
        },
        {
          "name": "Salbutamol as needed",
          "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": 828,
      "start_date": "2012-10-15",
      "completion_date": "2013-06-17",
      "has_results": true,
      "last_update_posted_date": "2018-05-02",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 16,
      "location_summary": "Clearwater, Florida • DeLand, Florida • Coeur d'Alene, Idaho + 13 more",
      "locations": [
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Coeur d'Alene",
          "state": "Idaho"
        },
        {
          "city": "Normal",
          "state": "Illinois"
        },
        {
          "city": "Woodbury",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01706328"
    },
    {
      "nct_id": "NCT03756883",
      "title": "Therapeutic Equivalence of Two Formulations of Fluticasone Propionate and Salmeterol Inhalation Powder in Subjects With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone Propionate and Salmeterol Inhalation Powder",
          "type": "DRUG"
        },
        {
          "name": "Placebo Inhalation Powder",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Actavis Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "12 Years to 75 Years"
      },
      "enrollment_count": 999,
      "start_date": "2018-12-03",
      "completion_date": "2019-11-10",
      "has_results": true,
      "last_update_posted_date": "2021-09-24",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 1,
      "location_summary": "Miami Lakes, Florida",
      "locations": [
        {
          "city": "Miami Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03756883"
    },
    {
      "nct_id": "NCT00296491",
      "title": "Study Of Allergic Rhinitis In Patients Who Also Have Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "fluticasone propionate/salmeterol (FSC)",
          "type": "DRUG"
        },
        {
          "name": "montelukast (MON)",
          "type": "DRUG"
        },
        {
          "name": "fluticasone propionate (FP)",
          "type": "DRUG"
        },
        {
          "name": "placebo nasal",
          "type": "DRUG"
        },
        {
          "name": "ADVAIR DISKUS",
          "type": "DRUG"
        },
        {
          "name": "placebo capsule",
          "type": "DRUG"
        },
        {
          "name": "placebo DISKUS",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 725,
      "start_date": "2005-09",
      "completion_date": "2007-10",
      "has_results": true,
      "last_update_posted_date": "2016-12-16",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 104,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Scottsdale, Arizona + 88 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00296491"
    },
    {
      "nct_id": "NCT03535870",
      "title": "Clinical Endpoint Bioequivalence Study of Fluticasone Propionate & Salmeterol Xinafoate (100μg/50μg)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone propionate/salmeterol",
          "type": "DRUG"
        },
        {
          "name": "Advair Diskus, 100 Mcg-50 Mcg Inhalation Powder",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "West-Ward Pharmaceutical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 1556,
      "start_date": "2018-04-26",
      "completion_date": "2019-09-10",
      "has_results": false,
      "last_update_posted_date": "2019-11-29",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03535870"
    },
    {
      "nct_id": "NCT01079130",
      "title": "Efficacy and Safety of Different Doses of Indacaterol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Salmeterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 511,
      "start_date": "2010-02",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2011-08-19",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 71,
      "location_summary": "Glendale, Arizona • Scottsdale, Arizona • Encinitas, California + 64 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01079130"
    },
    {
      "nct_id": "NCT01181895",
      "title": "Study B2C112060: A Study of the Efficacy and Safety of Vilanterol Inhalation Powder in Adults and Adolescents With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Vilanterol",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol Inhalation Powder",
          "type": "DRUG"
        },
        {
          "name": "Placebo Inhalation Powder NDPI",
          "type": "DRUG"
        },
        {
          "name": "Placebo Inhalation Powder Diskus",
          "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": 348,
      "start_date": "2010-09-01",
      "completion_date": "2011-08-26",
      "has_results": true,
      "last_update_posted_date": "2017-11-08",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 11,
      "location_summary": "Huntington Beach, California • Orlando, Florida • Tallahassee, Florida + 8 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Lawrenceville",
          "state": "Georgia"
        },
        {
          "city": "Skillman",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01181895"
    },
    {
      "nct_id": "NCT01430403",
      "title": "Preventative Omalizumab or Step-up Therapy for Severe Fall Exacerbations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Inhaled Corticosteroid Boost Therapy (ICS)",
          "type": "DRUG"
        },
        {
          "name": "Placebo omalizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo fluticasone",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 478,
      "start_date": "2011-09",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 8,
      "location_summary": "Denver, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01430403"
    },
    {
      "nct_id": "NCT03034915",
      "title": "A 24-week Study to Compare Umeclidinium/Vilanterol (UMEC/VI), UMEC and Salmeterol in Subjects With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "UMEC/VI 62.5/25 mcg via ELLIPTA",
          "type": "DRUG"
        },
        {
          "name": "UMEC 62.5 mcg via ELLIPTA",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol 50 mcg via DISKUS",
          "type": "DRUG"
        },
        {
          "name": "Placebo via ELLIPTA",
          "type": "DRUG"
        },
        {
          "name": "Placebo via DISKUS",
          "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": 2696,
      "start_date": "2017-06-16",
      "completion_date": "2018-06-18",
      "has_results": true,
      "last_update_posted_date": "2020-03-11",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 37,
      "location_summary": "Phoenix, Arizona • Lincoln, California • Clearwater, Florida + 34 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Lincoln",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03034915"
    },
    {
      "nct_id": "NCT02260492",
      "title": "Clinical Efficacy Study of Salmeterol Xinafoate/Fluticasone Propionate in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "OT329 (combination of fluticasone propionate and salmeterol xinafoate)",
          "type": "DRUG"
        },
        {
          "name": "Advair Diskus (combination of fluticasone propionate and salmeterol xinafoate)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oriel Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 879,
      "start_date": "2014-09",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2017-06-15",
      "last_synced_at": "2026-09-27T23:37:45.381Z",
      "location_count": 47,
      "location_summary": "Goodyear, Arizona • Tempe, Arizona • Anaheim, California + 40 more",
      "locations": [
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02260492"
    }
  ]
}