{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+capsules+twice+a+day",
    "query": {
      "intervention": "Placebo capsules twice a day"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 848,
    "total_pages": 85,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+capsules+twice+a+day&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T19:26:32.030Z",
  "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": "NCT01162850",
      "title": "Oral Polypodium Leucotomos for Melasma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Melasma"
      ],
      "interventions": [
        {
          "name": "Polypodium Leucotomos",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2008-05",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2011-08-05",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01162850"
    },
    {
      "nct_id": "NCT04610047",
      "title": "Efficacy and Safety of Norketotifen in Uncomplicated Influenza-like Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza",
        "Influenza -Like Illness"
      ],
      "interventions": [
        {
          "name": "Norketotifen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emergo Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 315,
      "start_date": "2020-12-14",
      "completion_date": "2022-02-09",
      "has_results": false,
      "last_update_posted_date": "2023-01-30",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 20,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • DeBary, Florida + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "DeBary",
          "state": "Florida"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04610047"
    },
    {
      "nct_id": "NCT06791993",
      "title": "Impact of Probiotics on Gut Microbiome During Antibiotic Prophylaxis in Elective Orthopedic Surgery",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Dysbiosis",
        "Gut -microbiota",
        "Microbiome Analysis",
        "Probiotic",
        "Antibiotic Prophylaxis"
      ],
      "interventions": [
        {
          "name": "Placebo Capsule",
          "type": "DRUG"
        },
        {
          "name": "Probiotic with Human Milk Oligosaccharides (HMO)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Acibadem Maslak Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2025-02-01",
      "completion_date": "2025-10-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-24",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06791993"
    },
    {
      "nct_id": "NCT01272830",
      "title": "Double-Blinded Clinical Trial Using Apatone®B for Symptomatic Postoperative Total Joint Replacements",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Edematous",
        "Synovitis",
        "Foreign Body Reaction",
        "Osteolysis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Apatone®B",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "IC-MedTech Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 57,
      "start_date": "2010-10",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2018-01-31",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 1,
      "location_summary": "Akron, Ohio",
      "locations": [
        {
          "city": "Akron",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01272830"
    },
    {
      "nct_id": "NCT01641341",
      "title": "Irritable Bowel Syndrome Evaluation and Treatment in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Irritable Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "Bifidobacterium infantis",
          "type": "DRUG"
        },
        {
          "name": "Pancrelipase",
          "type": "DRUG"
        },
        {
          "name": "Nitazoxanide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "American Academy of Family Physicians",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 61,
      "start_date": "2010-11",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2019-01-23",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 9,
      "location_summary": "Lomita, California • Leawood, Kansas • Baton Rouge, Louisiana + 4 more",
      "locations": [
        {
          "city": "Lomita",
          "state": "California"
        },
        {
          "city": "Leawood",
          "state": "Kansas"
        },
        {
          "city": "Leawood",
          "state": "Kansas"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Sikeston",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01641341"
    },
    {
      "nct_id": "NCT01179737",
      "title": "Efficacy, Safety, Tolerability and Pharmacokinetics (PK) of Nilotinib (AMN107) in Pulmonary Arterial Hypertension (PAH)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Nilotinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo to nilotinib",
          "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": 23,
      "start_date": "2010-07",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2014-05-01",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 5,
      "location_summary": "Boston, Massachusetts • Ann Arbor, Michigan • Chapel Hill, North Carolina + 2 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01179737"
    },
    {
      "nct_id": "NCT06580002",
      "title": "Repurposing Riluzole for Cancer-Related Cognitive Impairment: A Pilot Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Sarcoma",
        "Gastric Cancer",
        "Lung Cancer",
        "Head and Neck Cancer",
        "Colorectal Cancer",
        "Ovarian Cancer",
        "Liver Cancer",
        "Genitourinary Cancer",
        "Gynecologic Cancer",
        "Urinary Bladder Cancer",
        "Leukemia",
        "Lymphoid Leukemia",
        "Myeloma Multiple",
        "Prostate Cancer",
        "Pancreas Cancer",
        "Non-hodgkin Lymphoma",
        "Hodgkin Lymphoma",
        "Brain Cancer",
        "Melanoma",
        "Mycosis Fungoides",
        "Kidney Cancer"
      ],
      "interventions": [
        {
          "name": "Riluzole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2024-12-02",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06580002"
    },
    {
      "nct_id": "NCT02792257",
      "title": "Trial of Dronabinol Adjunctive Treatment of Agitation in Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Dronabinol (Marinol®)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "60 Years to 95 Years"
      },
      "enrollment_count": 84,
      "start_date": "2017-03-01",
      "completion_date": "2024-05-31",
      "has_results": true,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 5,
      "location_summary": "Miami, Florida • Baltimore, Maryland • Belmont, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Belmont",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Salem",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02792257"
    },
    {
      "nct_id": "NCT05921266",
      "title": "Urolithin A Supplementation in Middle-aged Adults With Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Vascular Dementia",
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Urolithin A",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "40 Years to 64 Years"
      },
      "enrollment_count": 50,
      "start_date": "2023-10-02",
      "completion_date": "2025-05-14",
      "has_results": false,
      "last_update_posted_date": "2025-06-26",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05921266"
    },
    {
      "nct_id": "NCT00136747",
      "title": "The Effects of Memantine and Bupropion on Acute, Reinforcing, and Conditioned Effects of Cigarettes - 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Memantine",
          "type": "DRUG"
        },
        {
          "name": "bupropion",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 45,
      "start_date": "2004-01",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2018-05-21",
      "last_synced_at": "2026-09-28T19:26:32.030Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00136747"
    }
  ]
}