{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+meal",
    "query": {
      "intervention": "Placebo meal"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 555,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+meal&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T11:29:34.206Z",
  "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": "NCT06280274",
      "title": "Metformin Use in Patients Undergoing Total Joint Replacement Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hyperglycemia"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-06-27",
      "completion_date": "2025-09-15",
      "has_results": false,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06280274"
    },
    {
      "nct_id": "NCT03716960",
      "title": "The Effects of Pumpkin Seed Oil Supplementation on Cardiovascular Function in Postmenopausal Women.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Elevated Blood Pressure",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Pumpkin Seed Oil",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Marymount University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 65 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2017-09-01",
      "completion_date": "2018-06-30",
      "has_results": false,
      "last_update_posted_date": "2018-10-24",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 1,
      "location_summary": "Arlington, Virginia",
      "locations": [
        {
          "city": "Arlington",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03716960"
    },
    {
      "nct_id": "NCT02972047",
      "title": "Understanding the Pathophysiology and Effects of Diaphragmatic Breathing in Upright Gastroesophageal Reflux",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "GERD"
      ],
      "interventions": [
        {
          "name": "Diaphragmatic Breathing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sham Comparator",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2017-04-06",
      "completion_date": "2020-08-30",
      "has_results": false,
      "last_update_posted_date": "2020-12-04",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02972047"
    },
    {
      "nct_id": "NCT03561883",
      "title": "Trial of IW-3718 for 8 Weeks in Patients With Persistent Gastroesophageal Reflux Disease (GERD) Receiving Proton Pump Inhibitors (PPIs)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease (GERD)"
      ],
      "interventions": [
        {
          "name": "IW-3718",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard-dose PPIs QD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ironwood Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 609,
      "start_date": "2018-09-06",
      "completion_date": "2020-11-06",
      "has_results": true,
      "last_update_posted_date": "2021-08-18",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 98,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Peoria, Arizona + 81 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03561883"
    },
    {
      "nct_id": "NCT01761045",
      "title": "Effect of Monosodium L-Glutamate (MSG) and Nucleic Acid (IMP) on Satiety and Food Intake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition Intervention"
      ],
      "interventions": [
        {
          "name": "Soup 1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Soup 2",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Soup 3",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ajinomoto Co., Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 45 Years · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2010-07",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2013-02-11",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 1,
      "location_summary": "Eatontown, New Jersey",
      "locations": [
        {
          "city": "Eatontown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01761045"
    },
    {
      "nct_id": "NCT03943056",
      "title": "A Safety, Tolerability, Pharmacokinetic, and Pharmacodynamic Study of BIIB091, a Bruton's Tyrosine Kinase (BTK) Inhibitor, in Healthy Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "BIIB091",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "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": 64,
      "start_date": "2019-05-13",
      "completion_date": "2020-01-10",
      "has_results": false,
      "last_update_posted_date": "2021-03-22",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03943056"
    },
    {
      "nct_id": "NCT03456830",
      "title": "Evaluate ALLN-177 in Patients With Enteric Hyperoxaluria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Enteric Hyperoxaluria"
      ],
      "interventions": [
        {
          "name": "ALLN-177",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allena Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 115,
      "start_date": "2018-05-21",
      "completion_date": "2019-10-28",
      "has_results": false,
      "last_update_posted_date": "2020-02-27",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 34 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03456830"
    },
    {
      "nct_id": "NCT04225819",
      "title": "Adjunctive Treatment With Vitamin D3 in Patients With Active IBD",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "IBD",
        "Inflammatory Bowel Diseases",
        "Crohn Disease",
        "Ulcerative Colitis",
        "Vitamin D3 Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "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": 100,
      "start_date": "2020-10-01",
      "completion_date": "2029-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04225819"
    },
    {
      "nct_id": "NCT07073352",
      "title": "ACEs, SIRT1, and Premature Vascular Aging in Humans",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adverse Childhood Experiences",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Nicotinamide Riboside",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 30,
      "start_date": "2025-03-27",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa • Madison, Wisconsin",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07073352"
    },
    {
      "nct_id": "NCT02395978",
      "title": "A Phase II Study of PDC-1421 Capsule to Evaluate the Safety and Efficacy in Patients With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "PDC-1421 Capsule",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioLite, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 72,
      "start_date": "2015-04-10",
      "completion_date": "2019-03-18",
      "has_results": true,
      "last_update_posted_date": "2021-07-22",
      "last_synced_at": "2026-09-13T11:29:34.206Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02395978"
    }
  ]
}