{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+powder&page=2",
    "query": {
      "intervention": "placebo powder",
      "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+powder&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T13:16:13.972Z",
  "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": "NCT00954902",
      "title": "Effects of Antioxidants on Cardiovascular Risk Measures (Spice Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular",
        "Psychological Stress"
      ],
      "interventions": [
        {
          "name": "High Antioxidant Spice Blend",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Trier Psychological Stressor",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo antioxidant concentrate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "30 Years to 65 Years"
      },
      "enrollment_count": 32,
      "start_date": "2009-08",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2018-01-25",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00954902"
    },
    {
      "nct_id": "NCT03536637",
      "title": "DMT310-001 Topical in the Treatment of Acne Vulgaris",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "DMT310",
          "type": "DRUG"
        },
        {
          "name": "Hydrogen Peroxide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dermata Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 121,
      "start_date": "2018-05-22",
      "completion_date": "2019-01-28",
      "has_results": false,
      "last_update_posted_date": "2020-07-22",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 9,
      "location_summary": "San Diego, California • Saint Joseph, Missouri • Henderson, Nevada + 6 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Saint Joseph",
          "state": "Missouri"
        },
        {
          "city": "Henderson",
          "state": "Nevada"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03536637"
    },
    {
      "nct_id": "NCT00100295",
      "title": "Herbal Treatment for Attention Deficit Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Hypericum perforatum",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "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": 59,
      "start_date": "2005-02",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2007-10-26",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 1,
      "location_summary": "Kenmore, Washington",
      "locations": [
        {
          "city": "Kenmore",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00100295"
    },
    {
      "nct_id": "NCT01043601",
      "title": "Efficacy and Safety of Two Doses of Formoterol Fumarate MDI (PT005) in Patients With Stable Chronic Obstructive Pulmonary Disease (COPD), Compared to Foradil® Aerolizer® as an Active Control",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COPD"
      ],
      "interventions": [
        {
          "name": "Inhaled PT005",
          "type": "DRUG"
        },
        {
          "name": "Inhaled Placebo",
          "type": "DRUG"
        },
        {
          "name": "Formoterol Fumarate 12 µg (Foradil Aerolizer)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pearl Therapeutics, 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": 0,
      "start_date": "2010-07",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2014-07-11",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 1,
      "location_summary": "Spartanburg, South Carolina",
      "locations": [
        {
          "city": "Spartanburg",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01043601"
    },
    {
      "nct_id": "NCT02157935",
      "title": "Comparing the Efficacy of Symbicort® pMDI and Formoterol Turbuhaler in Reducing Exacerbations in Patients With Cronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COPD Patients"
      ],
      "interventions": [
        {
          "name": "Symbicort",
          "type": "DRUG"
        },
        {
          "name": "Formoterol turbohaler",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Symbicort pMDI",
          "type": "OTHER"
        },
        {
          "name": "Placebo for Formoterol Turbohaler",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "40 Years to 95 Years"
      },
      "enrollment_count": 2026,
      "start_date": "2014-06-27",
      "completion_date": "2016-02-08",
      "has_results": true,
      "last_update_posted_date": "2017-11-07",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 224,
      "location_summary": "Andalusia, Alabama • Birmingham, Alabama • Foley, Alabama + 107 more",
      "locations": [
        {
          "city": "Andalusia",
          "state": "Alabama"
        },
        {
          "city": "Andalusia",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Foley",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02157935"
    },
    {
      "nct_id": "NCT01762852",
      "title": "Efficacy and Safety Study of Intravenous Belimumab Versus Placebo in Subjects With Idiopathic Membranous Nephropathy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glomerulonephritis, Membranous"
      ],
      "interventions": [
        {
          "name": "Belimumab 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 0,
      "start_date": "2013-04",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2017-03-22",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 2,
      "location_summary": "St Louis, Missouri • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01762852"
    },
    {
      "nct_id": "NCT05934526",
      "title": "Efficacy and Safety of Seralutinib in Adult Subjects With PAH (PROSERA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Seralutinib",
          "type": "DRUG"
        },
        {
          "name": "Generic Dry Powder Inhaler",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "GB002, Inc.",
      "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": 390,
      "start_date": "2023-12-28",
      "completion_date": "2025-12-22",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 50,
      "location_summary": "Birmingham, Alabama • Fresno, California • Los Angeles, California + 40 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05934526"
    },
    {
      "nct_id": "NCT03949426",
      "title": "Safety, Tolerability and Pharmacokinetics of KPG-818 in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "KPG-818",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kangpu Biopharmaceuticals, Ltd.",
      "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": 40,
      "start_date": "2019-05-01",
      "completion_date": "2019-09-29",
      "has_results": false,
      "last_update_posted_date": "2020-02-25",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 1,
      "location_summary": "Glendale, California",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03949426"
    },
    {
      "nct_id": "NCT04048616",
      "title": "Impact of Protein and Alkali Supplementation on Skeletal Muscle in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age-Related Sarcopenia",
        "Muscle Loss"
      ],
      "interventions": [
        {
          "name": "whey protein isolate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "potassium bicarbonate (KHCO3)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "microcrystalline cellulose",
          "type": "OTHER"
        },
        {
          "name": "maltodextrin powder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2021-07-01",
      "completion_date": "2023-12-21",
      "has_results": true,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04048616"
    },
    {
      "nct_id": "NCT03557684",
      "title": "Leucine for Depression Study (L-DEP)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "leucine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "PO placebo",
          "type": "OTHER"
        },
        {
          "name": "lipopolysaccharide (LPS)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IV placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 59,
      "start_date": "2018-09-01",
      "completion_date": "2021-07-31",
      "has_results": true,
      "last_update_posted_date": "2023-06-08",
      "last_synced_at": "2026-09-29T13:16:13.972Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03557684"
    }
  ]
}