{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+fructo-oligosaccharide",
    "query": {
      "intervention": "Placebo fructo-oligosaccharide"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T16:04:12.920Z",
  "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": "NCT01304771",
      "title": "Safety of Synbiotics as Adjuvant to Influenza Vaccine in Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Synbiotic AKSB",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2010-12",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2012-06-20",
      "last_synced_at": "2026-09-23T16:04:12.920Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01304771"
    },
    {
      "nct_id": "NCT06628869",
      "title": "The Effects of Oral Fructanase Administration on Gastrointestinal Symptoms After Inulin Challenge in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Digestive Health",
        "Gastrointestinal Health",
        "FODMAP Intolerance",
        "Food Sensitivity"
      ],
      "interventions": [
        {
          "name": "Fructanase",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Maltodextrin placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "BIO-CAT, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "20 Years to 50 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-11-04",
      "completion_date": "2024-12-17",
      "has_results": false,
      "last_update_posted_date": "2025-07-10",
      "last_synced_at": "2026-09-23T16:04:12.920Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06628869"
    },
    {
      "nct_id": "NCT00343642",
      "title": "Dietary Treatment of Crohn's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Crohn's Disease",
        "Inflammatory Bowel Disease"
      ],
      "interventions": [
        {
          "name": "Active fructo-oligosaccharide",
          "type": "DRUG"
        },
        {
          "name": "Placebo fructo-oligosaccharide",
          "type": "DRUG"
        },
        {
          "name": "Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 73,
      "start_date": "2006-09",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2021-06-09",
      "last_synced_at": "2026-09-23T16:04:12.920Z",
      "location_count": 2,
      "location_summary": "Macon, Georgia • Chicago, Illinois",
      "locations": [
        {
          "city": "Macon",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00343642"
    },
    {
      "nct_id": "NCT04498455",
      "title": "Study of a Prebiotic Supplement to Mitigate Excessive Weight Gain Among Physicians in Residency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Weight Gain Trajectory",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Prebiotin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Baylor University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 11,
      "start_date": "2018-09-30",
      "completion_date": "2019-02-15",
      "has_results": false,
      "last_update_posted_date": "2020-08-17",
      "last_synced_at": "2026-09-23T16:04:12.920Z",
      "location_count": 1,
      "location_summary": "Waco, Texas",
      "locations": [
        {
          "city": "Waco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04498455"
    },
    {
      "nct_id": "NCT00587041",
      "title": "Use of Oral Probiotics to Reduce Urinary Oxalate Excretion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Nephrolithiasis",
        "Hyperoxaluria",
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Oxadrop",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Agri-King Synbiotic (AKSB)",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2006-02",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2012-05-31",
      "last_synced_at": "2026-09-23T16:04:12.920Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587041"
    },
    {
      "nct_id": "NCT04100200",
      "title": "Berries, Inflammation, and Gut Microbiome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight or Obesity",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Mixed berries",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "FOS",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Combination",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Clinical Nutrition Research Center, Illinois Institute of Technology",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "20 Years to 60 Years"
      },
      "enrollment_count": 105,
      "start_date": "2019-10-07",
      "completion_date": "2026-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-09-23T16:04:12.920Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04100200"
    },
    {
      "nct_id": "NCT01100788",
      "title": "Satiety Response of Short Chain Fructooligosaccharide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Short chain fructo-oligosaccharide (scFOS) 5 g",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Short chain fructooligosaccharide (scFOS) 8 g",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 20,
      "start_date": "2009-03",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2010-04-09",
      "last_synced_at": "2026-09-23T16:04:12.920Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01100788"
    },
    {
      "nct_id": "NCT05207488",
      "title": "Gastrointestinal And Metabolic Effects From a Prebiotic, Lifting, and Aerobic iNtervention",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Fructooligosaccharides (FOS)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "20 Years to 45 Years"
      },
      "enrollment_count": 48,
      "start_date": "2021-10-01",
      "completion_date": "2023-09-20",
      "has_results": false,
      "last_update_posted_date": "2022-11-10",
      "last_synced_at": "2026-09-23T16:04:12.920Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05207488"
    }
  ]
}