{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control%2FPlacebo+group&page=19",
    "query": {
      "intervention": "Control/Placebo group",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 5229,
    "total_pages": 523,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control%2FPlacebo+group&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control%2FPlacebo+group&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-09T22:56:05.671Z",
  "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": "NCT00772538",
      "title": "Evaluation of Tiotropium 5 µg/Day Delivered Via the Respimat® Inhaler Over 48 Weeks in Patients With Severe Persistent Asthma on Top of Usual Care (Study I)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "tiotropium 5mcg/day",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 459,
      "start_date": "2008-10",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-08-18",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Riverside, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00772538"
    },
    {
      "nct_id": "NCT01116258",
      "title": "A Study in Healthy Volunteers to Assess Safety and Blood Levels of AZD5847 After Multiple Doses Over 14 Days",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "AZD5847",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 60,
      "start_date": "2010-04",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2010-10-11",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01116258"
    },
    {
      "nct_id": "NCT01172821",
      "title": "Evaluation of Tiotropium 2.5 and 5 mcg Once Daily Delivered Via the Respimat® Inhaler Compared to Placebo and Salmeterol HydroFluoroAlkane (HFA) Metered Dose Inhaler (MDI) (50 mcg Twice Daily) in Patient With Moderate Persistent Asthma II",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "tiotropium Respimat® low dose",
          "type": "DRUG"
        },
        {
          "name": "tiotropium Respimat® high dose",
          "type": "DRUG"
        },
        {
          "name": "50 mcg salmeterol HFA MDI",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 1032,
      "start_date": "2010-08",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-06-09",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 18,
      "location_summary": "Los Angeles, California • Stockton, California • Centennial, Colorado + 15 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Panama City",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01172821"
    },
    {
      "nct_id": "NCT05819333",
      "title": "Augmenting a Post-Stroke Wellness Program With Respiratory Muscle Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Exercise Program + Respiratory Strength Training",
          "type": "OTHER"
        },
        {
          "name": "Exercise Program + Respiratory Relaxation Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 85,
      "start_date": "2020-11-13",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05819333"
    },
    {
      "nct_id": "NCT00857493",
      "title": "A Study to Evaluate Safety and Immunogenicity of One and Two Doses of IMVAMUNE® Smallpox Vaccine in 56-80 Year Old Vaccinia-experienced Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smallpox"
      ],
      "interventions": [
        {
          "name": "IMVAMUNE",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bavarian Nordic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "56 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "56 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2009-06",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2019-01-10",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 4,
      "location_summary": "Orlando, Florida • Iowa City, Iowa • Lexington, Kentucky + 1 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00857493"
    },
    {
      "nct_id": "NCT00916006",
      "title": "A Multi-center Study to Evaluate the Efficacy and Safety of PEP005 (Ingenol Mebutate) Gel, When Used to Treat Actinic Keratoses on the Head (Face or Scalp)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Actinic Keratosis"
      ],
      "interventions": [
        {
          "name": "PEP005 Gel",
          "type": "DRUG"
        },
        {
          "name": "Vehicle gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Peplin",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 269,
      "start_date": "2009-06",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2015-04-02",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 19,
      "location_summary": "Los Angeles, California • Oceanside, California • San Diego, California + 16 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00916006"
    },
    {
      "nct_id": "NCT06780306",
      "title": "A Study in the Treatment of Mild to Moderate Dry Eye Disease Comparing Saline to TTAX03.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dry Eye",
        "Dry Eye Disease (DED)",
        "Dry Eye Disease With Severe Keratitis"
      ],
      "interventions": [
        {
          "name": "TTAX03",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline (NaCl 0,9 %) (placebo)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BioTissue Holdings, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2024-12-12",
      "completion_date": "2026-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-11",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 9,
      "location_summary": "Berkeley, California • Deerfield Beach, Florida • Chaska, Minnesota + 6 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Deerfield Beach",
          "state": "Florida"
        },
        {
          "city": "Chaska",
          "state": "Minnesota"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Dover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06780306"
    },
    {
      "nct_id": "NCT00287716",
      "title": "Three-Arm Study of the Safety and Efficacy of Pirfenidone in Patients With Idiopathic Pulmonary Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis"
      ],
      "interventions": [
        {
          "name": "Pirfenidone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "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": 435,
      "start_date": "2006-07-14",
      "completion_date": "2008-11-10",
      "has_results": true,
      "last_update_posted_date": "2017-05-22",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 1,
      "location_summary": "Brisbane, California",
      "locations": [
        {
          "city": "Brisbane",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00287716"
    },
    {
      "nct_id": "NCT01665352",
      "title": "A Study to Evaluate Safety and Efficacy of TTP054 for 12 Weeks in Subjects With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "TTP054",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "vTv Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 186,
      "start_date": "2012-08",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2017-02-10",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 19,
      "location_summary": "Chula Vista, California • Los Angeles, California • Denver, Colorado + 15 more",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Port Orange",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01665352"
    },
    {
      "nct_id": "NCT05729373",
      "title": "A Clinical Study That Will Measure How Well SEP-363856 Works and How Safe it is in Adults With Generalized Anxiety Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Generalized Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "SEP-363856",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 434,
      "start_date": "2023-03-08",
      "completion_date": "2025-09-26",
      "has_results": false,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-11-09T22:56:05.671Z",
      "location_count": 38,
      "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Culver City, California + 29 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Culver City",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Redlands",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05729373"
    }
  ]
}