{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Capsule%28s%29",
    "query": {
      "intervention": "Placebo Capsule(s)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 79,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Capsule%28s%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T09:36:51.267Z",
  "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": "NCT03535675",
      "title": "Muscadine Plus (MPX) In Men With Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Adenocarcinoma of the Prostate"
      ],
      "interventions": [
        {
          "name": "Muscadine Plus",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "MALE",
        "summary": "18 Years to 99 Years · Male only"
      },
      "enrollment_count": 59,
      "start_date": "2018-10-30",
      "completion_date": "2022-11-03",
      "has_results": true,
      "last_update_posted_date": "2023-05-22",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 13,
      "location_summary": "Duarte, California • La Jolla, California • Aurora, Colorado + 10 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03535675"
    },
    {
      "nct_id": "NCT00334685",
      "title": "[S,S]-Reboxetine Add-On Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "[S,S]-Reboxetine + Pregabalin",
          "type": "DRUG"
        },
        {
          "name": "Pregabalin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 136,
      "start_date": "2006-08-22",
      "completion_date": "2007-10-11",
      "has_results": false,
      "last_update_posted_date": "2019-12-16",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 7,
      "location_summary": "Huntsville, Alabama • Gilbert, Arizona • North Dartmouth, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Amherst",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00334685"
    },
    {
      "nct_id": "NCT07017959",
      "title": "Impact of a Human Origin Heat Inactivated Probiotic-Lactobacillus Paracasei D3.5 (LpD3.5) as Dietary Supplement on Gut Mucin and Intestinal Permeability in Adults With IBD",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammatory Bowel Diseases"
      ],
      "interventions": [
        {
          "name": "LpD3.5 supplementation.",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2025-06-15",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-12",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07017959"
    },
    {
      "nct_id": "NCT03339999",
      "title": "AGN-242428 in the Treatment of Plaque Psoriasis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Plaque Psoriasis"
      ],
      "interventions": [
        {
          "name": "AGN-242428",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vitae Pharmaceuticals, 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": 24,
      "start_date": "2017-11-15",
      "completion_date": "2018-04-20",
      "has_results": true,
      "last_update_posted_date": "2021-04-06",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Fort Smith, Arkansas + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03339999"
    },
    {
      "nct_id": "NCT07219498",
      "title": "Effects of a 5-Week Probiotic Supplementation Intervention on Markers of Delayed Onset Muscle Soreness",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Induced Muscle Damage",
        "Delayed Onset Muscle Soreness (DOMS)"
      ],
      "interventions": [
        {
          "name": "Lactobacillus casei",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Capsule(s)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 24,
      "start_date": "2026-02-05",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07219498"
    },
    {
      "nct_id": "NCT03176628",
      "title": "Pharmacokinetics, Pharmacodynamics and Safety of Basis in Acute Kidney Injury Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Kidney Injury"
      ],
      "interventions": [
        {
          "name": "Basis",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2017-11-01",
      "completion_date": "2018-09-11",
      "has_results": false,
      "last_update_posted_date": "2019-06-27",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03176628"
    },
    {
      "nct_id": "NCT07225413",
      "title": "Short-Term Rhodiola Rosea for Anaerobic Performance and Cognitive Function in Resistance-Trained Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Rhodiola rosea (low dose)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Rhodiola rosea (high dose)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo capsules",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Jacksonville State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Weeks",
        "maximum_age": "40 Weeks",
        "sex": "ALL",
        "summary": "18 Weeks to 40 Weeks"
      },
      "enrollment_count": 27,
      "start_date": "2022-02-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-06",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Alabama",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07225413"
    },
    {
      "nct_id": "NCT05056727",
      "title": "A Study to Evaluate the Effect of Sodium Zirconium Cyclosilicate on Chronic Kidney Disease (CKD) Progression in Participants With CKD and Hyperkalaemia or at Risk of Hyperkalaemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Renal Insufficiency, Chronic",
        "Hyperkalemia"
      ],
      "interventions": [
        {
          "name": "Sodium Zirconium Cyclosilicate (SZC)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Lisinopril",
          "type": "DRUG"
        },
        {
          "name": "Valsartan",
          "type": "DRUG"
        },
        {
          "name": "Irbesartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 1112,
      "start_date": "2021-09-30",
      "completion_date": "2024-02-07",
      "has_results": true,
      "last_update_posted_date": "2026-01-08",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 42,
      "location_summary": "Surprise, Arizona • Tucson, Arizona • Canyon Country, California + 36 more",
      "locations": [
        {
          "city": "Surprise",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Canyon Country",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05056727"
    },
    {
      "nct_id": "NCT01299870",
      "title": "Catamenial Epilepsy Treatment",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "AED treatment plus placebo",
          "type": "DRUG"
        },
        {
          "name": "Keishibukuryogan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Timothy Welty, PharmD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2011-02",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2012-02-14",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01299870"
    },
    {
      "nct_id": "NCT00576069",
      "title": "Mechanism(s)of Airflow Limitation in Moderate-severe Persistent Asthma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "budesonide/formoterol",
          "type": "DRUG"
        },
        {
          "name": "fluticasone/salmeterol",
          "type": "DRUG"
        },
        {
          "name": "mometasone/formoterol",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gelb, Arthur F., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "10 Years to 95 Years"
      },
      "enrollment_count": 60,
      "start_date": "2007-10-25",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2023-10-26",
      "last_synced_at": "2026-09-23T09:36:51.267Z",
      "location_count": 1,
      "location_summary": "Lakewood, California",
      "locations": [
        {
          "city": "Lakewood",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00576069"
    }
  ]
}