{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+placebo+supplement&page=3",
    "query": {
      "intervention": "Oral placebo supplement",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 310,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+placebo+supplement&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+placebo+supplement&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T12:51:11.162Z",
  "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": "NCT00355550",
      "title": "Tricaprilin In Age-Associated Memory Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Age-Associated Memory Impairment"
      ],
      "interventions": [
        {
          "name": "Tricaprilin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Cerecin",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 156,
      "start_date": "2006-07",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2020-09-18",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 6,
      "location_summary": "Brooksville, Florida • DeLand, Florida • Naples, Florida + 3 more",
      "locations": [
        {
          "city": "Brooksville",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00355550"
    },
    {
      "nct_id": "NCT04938726",
      "title": "Ketone Supplementation in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Ketone Monoester",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 15,
      "start_date": "2021-11-01",
      "completion_date": "2023-04-30",
      "has_results": true,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04938726"
    },
    {
      "nct_id": "NCT06481852",
      "title": "A Pilot Study of Microbiota Transplant With Antibiotic Preconditioning and Fiber Supplementation in Pulmonary Arterial Hypertension (GUT RESTORE-PAH)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "MTT with antibiotic preconditioning + fiber supplementation",
          "type": "DRUG"
        },
        {
          "name": "MTT with antibiotic preconditioning + placebo supplementation",
          "type": "DRUG"
        },
        {
          "name": "MTT with placebo + placebo supplementation.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "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": "2024-10-28",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06481852"
    },
    {
      "nct_id": "NCT03540602",
      "title": "Polyphenol Rich Supplementation on Markers of Recovery From Intense Resistance Exercise",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Muscle Soreness"
      ],
      "interventions": [
        {
          "name": "Tart Cherry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Oral Capsule [CEBOCAP]",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Jacksonville University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "21 Years to 45 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2018-05-01",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-05-30",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03540602"
    },
    {
      "nct_id": "NCT05606159",
      "title": "Bacillus Velezensis DSM 33864 for Reduction of the Risk of Recurrent Clostridioides Difficile Infections",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Clostridium Difficile Infection Recurrence"
      ],
      "interventions": [
        {
          "name": "Bacillus velezensis DSM 33864",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Novozymes A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-11",
      "completion_date": "2024-12",
      "has_results": false,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 1,
      "location_summary": "Royal Oak, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05606159"
    },
    {
      "nct_id": "NCT02017249",
      "title": "Efficacy Study of Oral Arginine to Improve Immune Function in Glioblastoma Multiforme",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glioblastoma Multiforme"
      ],
      "interventions": [
        {
          "name": "arginine in powder form",
          "type": "DRUG"
        },
        {
          "name": "Silica and cellulose placebo powder",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Inova Health Care Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2014-03",
      "completion_date": "2015-10-06",
      "has_results": false,
      "last_update_posted_date": "2019-09-16",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 1,
      "location_summary": "Fairfax, Virginia",
      "locations": [
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02017249"
    },
    {
      "nct_id": "NCT00079001",
      "title": "Zoledronate in Preventing Skeletal (Bone)-Related Events in Men Who Are Receiving Androgen Deprivation Therapy For Prostate Cancer and Bone Metastases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Cancer",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "zoledronic acid",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "androgen deprivation therapy",
          "type": "DRUG"
        },
        {
          "name": "GnRH agonist",
          "type": "DRUG"
        },
        {
          "name": "Calcium supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 645,
      "start_date": "2004-01",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2020-05-12",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 238,
      "location_summary": "Mobile, Alabama • Fort Smith, Arkansas • Little Rock, Arkansas + 159 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Pismo Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00079001"
    },
    {
      "nct_id": "NCT01242371",
      "title": "Double-Blind Trial of a Probiotic Supplement to Reduce the Symptoms of Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "Probiotic Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Identical-appearing Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Sheppard Pratt Health System",
      "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": 65,
      "start_date": "2010-08",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2019-02-05",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 1,
      "location_summary": "Towson, Maryland",
      "locations": [
        {
          "city": "Towson",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01242371"
    },
    {
      "nct_id": "NCT05459961",
      "title": "Metabolic Responses to Spermidine Supplementation.",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "oral spermidine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Chrysea Labs Lda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "50 Years to 70 Years · Male only"
      },
      "enrollment_count": 42,
      "start_date": "2022-08-14",
      "completion_date": "2025-02",
      "has_results": false,
      "last_update_posted_date": "2024-08-30",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05459961"
    },
    {
      "nct_id": "NCT06854575",
      "title": "A Safety and Efficacy Study of a Nutraceutical in Aging Males With Thinning Hair",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hair Thinning"
      ],
      "interventions": [
        {
          "name": "Dietary Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Nutraceutical Wellness Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "40 Years to 65 Years · Male only"
      },
      "enrollment_count": 155,
      "start_date": "2025-03-10",
      "completion_date": "2025-09-15",
      "has_results": false,
      "last_update_posted_date": "2025-12-04",
      "last_synced_at": "2026-10-01T12:51:11.162Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Elizabeth, New Jersey • Richardson, Texas",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Elizabeth",
          "state": "New Jersey"
        },
        {
          "city": "Richardson",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06854575"
    }
  ]
}