{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo-Control+Supplement",
    "query": {
      "intervention": "Placebo-Control Supplement"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1224,
    "total_pages": 123,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo-Control+Supplement&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T04:00:23.452Z",
  "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": "NCT05743855",
      "title": "The Effect of Chiropractic Plus Nutritional Supplement in Patients With Chronic Pain and Inflammation.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Inflammatory Response"
      ],
      "interventions": [
        {
          "name": "Nutritional Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Standard Process Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 25,
      "start_date": "2019-03-28",
      "completion_date": "2022-04-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-31",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 3,
      "location_summary": "Charlotte, North Carolina • Kannapolis, North Carolina • Mooresville, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        },
        {
          "city": "Mooresville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05743855"
    },
    {
      "nct_id": "NCT00244478",
      "title": "Soy, Bone and Health in College Females",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoporosis",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Soy Protein Dietary Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Georgia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "19 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 19 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2005-10",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2015-09-25",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 1,
      "location_summary": "Athens, Georgia",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00244478"
    },
    {
      "nct_id": "NCT06502717",
      "title": "Viome Precision Nutritional Programs to Improve Clinical Outcomes for Mental Health Disorders",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mental Health Issue",
        "Depression",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "VIOME Precision Nutrition Program",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Viome",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 150,
      "start_date": "2024-07-08",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-01-29",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 1,
      "location_summary": "Bothell, Washington",
      "locations": [
        {
          "city": "Bothell",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06502717"
    },
    {
      "nct_id": "NCT07431840",
      "title": "Immune Defense Protein Impact On Respiratory Immune Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Upper Respiratory Disease",
        "Influenza",
        "Viral Upper Respiratory Infection"
      ],
      "interventions": [
        {
          "name": "Immune Defense Protein 50mg Dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "IDP 200mg Dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Matching Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Quantec Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2025-12-05",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07431840"
    },
    {
      "nct_id": "NCT05406726",
      "title": "Mechanisms of Palmitoylethanolamide (PEA) to Alter Pain Sensitivity in Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "palmitoylethanolamide",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 13,
      "start_date": "2023-03-22",
      "completion_date": "2024-01-02",
      "has_results": false,
      "last_update_posted_date": "2024-11-05",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05406726"
    },
    {
      "nct_id": "NCT02581085",
      "title": "Tocotrienol Against the Progression of End Stage Liver Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "End Stage Liver Disease",
        "NASH - Nonalcoholic Steatohepatitis",
        "NAFLD - Nonalcoholic Fatty Liver Disease"
      ],
      "interventions": [
        {
          "name": "Tocotrienol (TCT)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Chandan Sen",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2019-11-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02581085"
    },
    {
      "nct_id": "NCT04983017",
      "title": "2021 PMT iAge® Intervention Trial by Edifice Health",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Inflammation",
        "Inflammaging"
      ],
      "interventions": [
        {
          "name": "Dietary supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Edifice Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 781,
      "start_date": "2021-08-10",
      "completion_date": "2022-09-09",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 2,
      "location_summary": "Greenbrae, California • Suwanee, Georgia",
      "locations": [
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Suwanee",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04983017"
    },
    {
      "nct_id": "NCT00279942",
      "title": "Effect of Revival Soy on Fibromyalgia Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "Soy",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "76 Years",
        "sex": "ALL",
        "summary": "18 Years to 76 Years"
      },
      "enrollment_count": 50,
      "start_date": "2006-05",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2012-01-06",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00279942"
    },
    {
      "nct_id": "NCT04529980",
      "title": "Probiotics and Antibiotic Associated Diarrhea in Pediatric Complicated Appendicitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Appendicitis",
        "Appendicitis; Perforation"
      ],
      "interventions": [
        {
          "name": "Lactobacillus rhamnosus GG (LGG) Probiotic",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Children's Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "4 Years to 18 Years"
      },
      "enrollment_count": 98,
      "start_date": "2020-09-08",
      "completion_date": "2022-02-28",
      "has_results": true,
      "last_update_posted_date": "2024-08-13",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04529980"
    },
    {
      "nct_id": "NCT03799562",
      "title": "Neurosteroids for Treatment of PTSD in Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Pregnenolone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 97,
      "start_date": "2019-06-27",
      "completion_date": "2025-07-14",
      "has_results": true,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-04T04:00:23.452Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03799562"
    }
  ]
}